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ThisprojecthasreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementNo691287
EUFrameworkProgramforResearchandInnovationactions(H2020LCE-21-2015)
ProjectNr:691287
GuidingEuropeanPolicytowardalow-carboneconomy.ModellingsustainableEnergy
systemDevelopmentunderEnvironmentalAndSocioeconomicconstraints
Deliverable3.4(D12)AdaptativeScenarios
Version1.0.0
Duedateofdeliverable: 30/04/2017 Actualsubmissiondate: 30/04/2017
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DisclaimerofwarrantiesandlimitationofliabilitiesThisdocumenthasbeenpreparedbyMEDEASprojectpartnersasanaccountofworkcarriedoutwithintheframeworkoftheEC-GAcontractno691287.
NeitherProjectCoordinator,noranysignatorypartyofMEDEASProjectConsortiumAgreement,noranypersonactingonbehalfofanyofthem:
(a) makesanywarrantyorrepresentationwhatsoever,expressorimplied,
(i). withrespecttotheuseofanyinformation,apparatus,method,process,orsimilar
item disclosed in this document, including merchantability and fitness for a
particularpurpose,or
(ii). thatsuchusedoesnotinfringeonorinterferewithprivatelyownedrights,including
anyparty'sintellectualproperty,or
(iii). thatthisdocumentissuitabletoanyparticularuser'scircumstance;or
(b) assumes responsibility for any damages or other liability whatsoever (including any
consequential damages, even if Project Coordinator or any representativeof a signatory
partyoftheMEDEASProjectConsortiumAgreement,hasbeenadvisedofthepossibilityof
suchdamages)resultingfromyourselectionoruseofthisdocumentorany information,
apparatus,method,process,orsimilaritemdisclosedinthisdocument.
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DocumentinfosheetLeadBeneficiary:UniversidaddeValladolid(Uva)
WP:WP3ScenariosandPathways
Task:Deliverable3.4.Adaptivescenarios
Authors:
INSTM:S.Falsini,I.Perissi,U.Bardi
MU:ChristianKimmich,MartinČerný,ChristianKerschner
UVa:IñigoCapellán-Pérez(ICM-CSIC),IgnaciodeBlas,JaimeNieto,LuisJavierMiguel,CarlosdeCastro,MargaritaMediavilla,OscarCarpintero,FernandoFrechoso,SantiagoCáceresandPaulaRodrigo.
Disseminationlevel:Public
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TableofcontentsDISCLAIMEROFWARRANTIESANDLIMITATIONOFLIABILITIES...................................................2
DOCUMENTINFOSHEET..............................................................................................................3
TABLEOFCONTENTS...................................................................................................................4
SCOPEOFDOCUMENT.................................................................................................................7
LISTOFABBREVIATIONSANDACRONYMS...................................................................................8
EXECUTIVESUMMARY...............................................................................................................10
INTRODUCTION.........................................................................................................................12EXERGYANDENERGY...................................................................................................................................................................12Energydefinition.......................................................................................................................................................................12Exergydefinition.......................................................................................................................................................................12
METHODOLOGY........................................................................................................................13METHODOLOGYFORESTIMATINGENERGYANDEXERGYBYSECTOR..................................................................................13Datasource..................................................................................................................................................................................13
METHODOLOGYFORESTIMATINGOT2020ANDMLT2030SCENARIOS........................................................................16METHODOLOGYFORESTIMATINGELECTRICITYSECTORENERGY/EXERGY......................................................................18Datasourceforelectricitysectorenergy.......................................................................................................................18MethodologyforestimatingBAU,OT2020andMLT2030scenarios...............................................................19
RESULTS....................................................................................................................................20RESIDENTIALANDCOMMERCIALSECTOR.................................................................................................................................20Energy/exergyscenariosfortheResidential/Commercialsector......................................................................22
TRANSPORTSECTOR.....................................................................................................................................................................25Energy/exergyscenariosfortransportsector.............................................................................................................25
INDUSTRIALSECTOR.....................................................................................................................................................................28Energy/exergyscenariosforindustrialsector............................................................................................................28
ELECTRICITYSECTOR....................................................................................................................................................................31BAUenergy/exergy..................................................................................................................................................................31OT-2020energy/exergy.........................................................................................................................................................32MLT-2030energy/exergy.....................................................................................................................................................33
CONCLUSIONS...........................................................................................................................34
REFERENCES..............................................................................................................................35
LISTOFTABLES..........................................................................................................................36
LISTOFFIGURES........................................................................................................................37
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PART2-TASK3.3.B:EVALUATIONOFMONETARYFLUXESBETWEENSECTORSNECESSARYTOACHIEVETHEPLANNEDSCENARIOSFOROPTIMALTRANSITION(OT)ANDMID-LEVELTRANSITION(MLT)....................................................................................................................38
INTRODUCTION.........................................................................................................................38
METHODOLOGY........................................................................................................................40Input-outputbasicsandtechnicalcoefficients............................................................................................................44Input-outputbasics..................................................................................................................................................................45Technicalcoefficients,AmatrixandLeontiefinverse..............................................................................................47
DECOMPOSITIONOFSECTORSININPUT-OUTPUTTABLES.....................................................................................................50Structuraldecompositionanalysis....................................................................................................................................51Annualreports...........................................................................................................................................................................52Inputcostshares.......................................................................................................................................................................53
EXPLORINGPOST-CARBONFUTURES.........................................................................................................................................54Approachesbasedonstakeholderparticipation–participatorymodelling..................................................55
RESULTS....................................................................................................................................57HISTORICALTRENDS.....................................................................................................................................................................58Worldlevel...................................................................................................................................................................................58Countrylevelexamples...........................................................................................................................................................65
FUTUREPROJECTIONSOFMONETARYFLUXES.........................................................................................................................71Costsharesofselectedrenewableenergysources.....................................................................................................71Scenarios......................................................................................................................................................................................772030situation:Optimaltransition(OT)scenario......................................................................................................802030situation:Midleveltransition(MLT)scenario.................................................................................................812050situation:Optimaltransition(OT)scenario......................................................................................................822050situation:Midleveltransition(MLT)scenario.................................................................................................83
SUMMARYANDCONCLUSIONS.................................................................................................84Disclaimeronlimitations......................................................................................................................................................86
REFERENCES..............................................................................................................................87
LISTOFTABLES..........................................................................................................................89
LISTOFFIGURES........................................................................................................................90
APPENDIX1:2030MLTIOTABLE(AMATRIXOFTECHNICALCOEFFICIENTS)..............................92
APPENDIX2:2050OTIOTABLE(AMATRIXOFTECHNICALCOEFFICIENTS).................................93
PART3-TASK3.3.C:VARIABILITYOFTHEPROPOSEDSCENARIOSANDPATHWAYSDUETOPHYSICALCONSTRAINTS............................................................................................................94
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INTRODUCTION.........................................................................................................................94
DESCRIPTIONOFSCENARIOS.....................................................................................................99QUALITATIVENARRATIVESMODELLED.....................................................................................................................................99
VARIABILILITYOFTHESCENARIOSDUETOTHEENERGY-ECONOMYFEEDBACK.......................106ENERGY-ECONOMYRELATIONSHIPINTHEINTEGRATEDASSESSMENTMODELS..........................................................106EXPECTEDRESULTSANDMAINMEDEASCONTRIBUTION................................................................................................109
AVAILABILITYOFENERGYRESOURCESINMEDEAS..................................................................111AVAILABILITYOFNON-RENEWABLEENERGY(NRE)RESOURCES....................................................................................111AVAILABILITYOFRENEWABLEENERGYSOURCES(RES)...................................................................................................115RESforheatandbiofuels...................................................................................................................................................116RESforelectricity..................................................................................................................................................................119
MODELLINGOFCLIMATICIMPACTSINMEDEAS......................................................................123
PRELIMINARYRESULTS............................................................................................................127
CONCLUSIONS.........................................................................................................................133
REFERENCES............................................................................................................................134
LISTOFTABLES........................................................................................................................145
LISTOFFIGURES......................................................................................................................146
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ScopeofdocumentThis document is a report of the Task 3.3 on Adaptive scenarios. In this task the variability (orexpected uncertainty) of the proposed scenarios and pathways will be explored using simplecalculationsandphysicalconstraints.Thisapproachwillbeundertakenbymeansofagrossandnetenergyaccountingofeacheconomicsectorconsideredintheselectedscenario.Therequirednetenergyamounttokeepoperatinganeconomicsectorwillalsobeconsideredforthispurpose.Theenergy andmonetary fluxes between socio-economic sectors in each adaptive scenariowill beoutlined.
Thisdeliverableismadeinthreeparts:
Part1 -Task3.3.a:Evaluationofnetenergyandexergyofeacheconomicsector in theOptimalTransition(OT)andMid-leveltransition(MLT).
Part2-Task3.3.b:EvaluationofmonetaryfluxesbetweensectorsnecessarytoachievetheplannedscenariosforOptimalTransition(OT)andMid-leveltransition(MLT).
Part3-Task3.3.c:Variabilityoftheproposedscenariosandpathwaysduetophysicalconstraints.
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ListofabbreviationsandacronymsBAU:Businessasusual
CBM:Coal-bedmethane
CSP:ConcentratedSolarPower
DDEdelaydifferentialequation
CSP:Concentratedsolarpower
EEU:Central&EasternEurope
EROIEnergyreturnonenergyinvested
EL:EnergyLosses
ELF:Energylossfunction
FEC:FinalEnergyConsumption
FED:FinalEnergyDemand
FFFossilFuel
GAINS:GHG-AirpollutionINteractionandSynergies
GCAM:GlobalChangeAssessmentModel
GEA:GlobalEnvironmentalAssessment
GHGGreenhouseGases
GLOBIOM:TheGlobalBiosphereManagementModel
GP:Greenpeace
GP-AdERScenario:GreenpeaceAdvancedEnergyRevolutionScenario
GP-ERScenario:GreenpeaceEnergyRevolutionScenario
IAM:Integratedassessmentmodelling
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IEA:InternationalEnergyAgency
IEA450Scenario:InternationalEnergyAgency450Scenario
IEACPScenario:InternationalEnergyAgencyCurrentPoliciesScenario
IEANPScenario:InternationalEnergyAgencyNewPoliciesScenario
IPCC:Intergovernmentalpanelonclimatechange
IRENA:InternationalRenewableEnergyAgency
MESSAGE:ModelforEnergySupplyStrategyAlternativesandtheirGeneralEnvironmentalImpacts
MLT:Mid-levelTransition
MSW:MunicipalSolidWaste
NPP:NetPrimaryProduction
NRE:Non-renewableenergy
NGLs:NaturalGasLiquids
OT:OptimumTransition
PB:PlanetaryBoundaries
PV:photovoltaics
RERenewableEnergy
RES:RenewableEnergySource
RCP:RepresentativeConcentrationPathway
SRES:TheSpecialReportonEmissionsScenarios
SSP:SharedSocioeconomicPathway
URR:Ultimatelyrecoverableresources
WEU:WesternEurope
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ExecutivesummaryPart1-Task3.3.a:EvaluationofnetenergyandexergyofeacheconomicsectorintheOptimalTransition(OT)andMid-leveltransition(MLT).
Inthefollowingworkweexaminethepossiblerateofchange inthemixofenergyresourcesto2050,takingintoaccountthelimitsofcarbonbudgetsalreadyexploredinthepreviousdeliverableD.3.1andD3.2.
Weexploredpossibletrendsfor:primary,final,andusefulenergyandalsotheexergycontentoftheresources,accordingtothehistoricaldatafromIIASAdatabase.Inparticulartheexergydataanalysishastheaimtoevidencewhichofthepossiblecombinationsofresourcesmantainsthemaximunresidualofavailableworkevenafterthetrasformationfromprimarytousefulenergy.Inthiswork,theOptimalTransitionscenariostartsfrom2020insteadof2016.ThisdecisionwastakenbytheConsortiumduringtheGAmeetinginBrno(February2017).
Part 2 - Task 3.3.b: Evaluation of monetary fluxes between sectors necessary to achieve theplannedscenariosforOptimalTransition(OT)andMid-leveltransition(MLT)
This report is focused on analysing monetary fluxes between sectors considered in transitionscenarios(optimaltransitionandmediumtransitionlevelscenario).Thescenarioparametersaretranslatedintothelogicofinput-outputtables.TwodifferentscenariosareconsideredinwhichtheactionstoreduceGHGemissionsaresupposedtostartfrom2020(Optimaltransitionscenario–OT)or2030(Midleveltransitionscenario–MLT).
Wederivethemonetaryfluxesbyusinginput-ouptutanalysis,basedontheWorldInput-OutputDatabase(WIOD)structure.Theconstructed(monetary)input-outputtablesfulfiltheaimofalow-carboneconomyin2050,inordertostaywithinthe2°Cincreaseoftemperature.TheresultsshowthatthemonetaryfluxesfortheOptimaltransitionscenarioandMidleveltransitionscenarioaresurprisinglyverysimilar.Theincreasingroleofagricultureisobviousinbothscenarios.
Part3-Task3.3.c:Variabilityoftheproposedscenariosandpathwaysduetophysicalconstraints.
OneofthemainchallengesoftheMEDEASprojectisthedevelopmentofasimulationmodelbasedonsystemsdynamicstohelpinthechoiceofenergyandenvironmentalpoliciesthatleadtoalowcarbon economy. In order to be able to approach different future situations, it is common forintegratedassessmentmodelstousescenarios.Scenariomethodologyoffersanapproachtodealwiththelimitedknowledge,uncertaintyandcomplexityofnaturalandsocialsciencesandcanbe
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used to group the variations of policies into coherent andmeaningful scenarios. Each scenariorepresentsanarchetypalandcoherentvisionofthefuture-whichmaybeviewedpositivelybysomepeople and negatively by others. However these commonly used scenarios have been mainlyproposedwithouttakingintoaccountsomeconsiderationsthatincorporatestheMEDEASmodel.Inthistask,thevariabilityoftheproposedscenariosandpathwayshavebeenexploredtakingintoaccountsomephysicalconstraintsandsomefeedbackseffects.Thephysicalconstraintsthatthemodelincorporatesandaredescribedinthisreportarelinkedtothemaximumenergythatcanbeobtained fromnon-renewable and renewable sources in the next years. In addition, themodelincorporates some feedback between final energy availability and the economy, aswell as theeffects of climate change. These feedbacks cause dynamics in the model that are not usuallydescribedintheopen-loopscenarios.Thenewsituationsthataresimulated,takingasastartingpoint the general scenarios described above when introducing the uncertainty due to physicallimitationsandtheir feedback is that ithasbeencalledadaptivescenarios.Thisreportpointstosome of the main causes that can lead to variability on the scenarios commonly described inliterature.SincetheglobalMEDEASmodelhasnotyetbeenfinalizedthisreportonlypointsoutsomeprovisionalresultsthatshouldbereviewedandevaluatedwiththefinalversionofthemodelasofJuly2017.
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Part1-Task3.3.a:Evaluationofnetenergyandexergyofeacheconomicsector intheOptimalTransition(OT)andMid-leveltransition(MLT)
Introduction
ExergyandEnergy
EnergydefinitionFordailylife,peoplehaverequiredillumination,thermalcomfort,mobility,cookedfood,industry.Theseare serviceswhoseenergy is obtainedby the transformationof energy inheat, light andpowermobility. This formof energy is calleduseful energy. It is createdbyend-use conversiondevicessuchasautomobile,lamps,heatingsystemsfromenergycarriers(fuels)soldtoconsumers,calledfinalenergy.Thisenergyisgotbymanyformsofenergyextractedfromnature,forexample,coalandcrudeoilbutalsosunlight,wind,waterfallsoroceantidal.Theyarereferredtoasprimaryenergy(Grubler2012).
Consideringtheenergychainfromthebottominsteadofthetop,primaryenergyisconvertedintofinalenergythatiscontainable,stackableandexchangedinthemarkettransaction;thismeansthatitcouldbeboughtorsold.Someexamplesoffinalenergyareelectricityfromasocket,gasolinefromagaspumpandsteamfromadistrictheatingduct.Appliancesanddevicestransformfinalenergyintousefulenergy:alightbulbtransformselectricityintolight,acarengineconvertsthecombustionof gasoline into mechanical movement of crankshaft allowing the automobile movement andradiatortransfersheatintheairtowarmaspace.
ExergydefinitionGivenanenvironment,exergyrepresentsthecapacityofenergytodophysicalwork(AyresandWarr2010).Itincorporatestherelativequalityoftheenergyform.Exergyanalysisisperformedheretoknowwhichisthebestuseofresourcesinthewaytoproduceanduseenergymoreefficiently.
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Methodology
Methodology for estimating energy and exergy bysector
DatasourceTheonlinedatasetusedinthisworkthatincludestheenergy,aswellas,theexergyseries,ispubliclyavailableonlineandcanbereachedthroughtheTransitiontoNewTechnology(TNT)Programpageon the IIASA website (http://tntcat.iiasa.ac.at/PFUDB/dsd?Action=htmlpage&page=about#intro).SimonDeStarkecreatedthisdatabaseanditsconstructionisexplainedinthedocumentIR-14-013(http://webarchive.iiasa.ac.at/Admin/PUB/Documents/IR-14-013.pdf).
Moreindepth,thedatasetcontainsdataof:
• Primaryenergy;• Primaryexergy;• Finalenergy;• Finalexergy;• Usefulenergy;• Usefulexergy.
for5differenteconomicsectors:
1. Industry;2. ResidentialandCommercial;3. Transport;4. Bunkers;5. Non-energy.
Foreachsector,theonlinedatasetcontainsdataoftheenergy/exergycontributionsby12differentsourceswhichare:
• Coalproducts:allproductsoriginatingfromcoalorpeat,includingmanufacturedgases;• Biomass-waste:bothsolidandliquid,includescharcoalandwaste(includingmunicipaland
otherwaste)(Nakicénovićetal.,1996);
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• Naturalgas:naturalgas,excludingnaturalgasliquids;• Petroleum products: crude oil and refined petroleum products, including liquefied
petroleumgasses.Also,includesnaturalgasliquids.• Nuclear;• Solar:photovoltaicandthermal;Geothermal;• Wind;• Heat;• Electricity;• Hydro:includestide,wave,andoceanenergy;• Other.
Thisdatabasecontainshistoricaldataofenergyandexergyfrom12differentsourcesandforeacheconomicsector,from1900to2014.
Theprojectionsforenergyandexergybysourcesuntil2050areobtainedbythelinearextrapolationofthehistoricaldata.
TheexergytoenergyratiosusedtoestimatetheexergycontentoftheenergyflowsarebasedontheconversionfactorsreportedintheworkbyNakićenovićetal.(1996).Thatstudycontainsfewerthanofthe12energycarriersusedhere,andtheexergyfactorsforthemissingenergycarriersweretakenequaltothoseofcomparableenergycarriersorenergycarrierswithcomparableuse.Thefactorsfornuclear,solarandgeothermalaresetequaltothoseofheat.Hydropowerandwindweretreatedaselectricity.Finally,“other”wasassumedtocorrespondtopetroleumproducts.
Byapplyingthesefactors(seeTable1)totheprimary,finalandusefulenergyseries,anewlayerofexergydataiscreated.
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Table1:Exergyfactors(exergytoenergyratio)basedonNakićenovićetal.(1996).
EnergycarrierPrimary/finalexergyfactor
Usefulexergyfactor
LightHigh Theat
LoW Theat
Stat.power Transport Feedstock Other
CoalProducts 1.06 0.90 0.33 0.10 1.00 0.99 1.06 0.23
Biomass-waste 1.19 0.90 0.26 0.14 1.00 0.99 1.19 0.23
PetroleumProducts 1.04 0.90 0.43 0.23 1.00 0.99 1.04 0.23
NaturalGas 1.03 0.90 0.33 0.10 1.00 0.99 1.03 0.23
Nuclear 1.00 0.90 0.26 0.07 1.00 0.99 0.27 0.23
Hydro 1.00 0.90 0.52 0.15 1.00 0.99 1.00 0.23
Electricity 1.00 0.90 0.52 0.15 1.00 0.99 1.00 0.23
Heat 0.27 0.90 0.26 0.07 1.00 0.99 0.27 0.23
Other 1.04 0.90 0.52 0.15 1.00 0.99 1.04 0.23
Solar 1.00 0.90 0.26 0.07 1.00 0.99 0.27 0.23
Wind 1.00 0.90 0.52 0.15 1.00 0.99 1.00 0.23
Geothermal 1.00 0.90 0.26 0.07 1.00 0.99 0.27 0.23
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Methodology for estimatingOT2020 andMLT 2030scenariosInthiswork,theOptimalTransitionscenariostartsfrom2020insteadof2016.ThisdecisionwastakenbytheConsortiumduringtheGAmeetinginBrno(February2017),mainlybecauseofthisisthefinalyearoftheprojectandthefirstavailableto implementtheMedeas’results.Thusfromnow,weusetheabbreviationOT-2020toindicateOptimalTransitionscenariostartingfrom2020.TheOT-2020,aswellas, theMLT-2030scenarioofenergy foreacheconomicsectorhavebeendesignedtaking intoaccounttheamountofGHGemissions limits, inordertoremainwithintheCarbon Budget and reduce the probability that temperature increase of 2°C, until 2050. Inparticular, in the task 3.1 d,we supposed that in OT-2020 scenario (thatwasMLT-2020), GHGemissionsshouldbereducedfrom66,46GtCO2-eqin2020to17,23GtCO2-eqin2050,whileinMLT-2030scenario,CO2emissionsshouldbereducedfrom81,9GtCO2in2030,to7,97GtCO2in2050.GHGemissionsareproducedmainlybythecombustionofnon-renewableenergies,principallycoal,naturalgasandpetroleumproducts.NotonlyfossilfuelsareresponsibleforCO2emissionsbutalsothe combustion of biomass combinedwithwaste.. Biofuels are far from being neutral carbonemittersduetoIndirectLandUseChanges(ILUC);hence,inaccordancewith(EuropeanCommission,2010;Fargioneetal.,2008;Haberletal.,2012;Searchingeretal.,2008),weassignasimilaremissionlevelofnaturalgas.
Forthisreason,weincludebiomass-wastetogetherwithnuclear,inthegroupoffuelsthatshouldbe reduced in future to cut theGHGemissions. Thisdoesnotmean that thebiomass, that is arenewable energy source, will not have being used anymore, but the emission from biomasscombustionshouldbecompensatedbythecarbonsequestrationduetothebiomassregrowth.Toreachthisgoal,itisnecessarythatnewfuturepoliciesandstrategiestakeintoaccounttherotation
periodofthebiomass(Cherubinietal.2011).Tocalculatetheemissionsonthebasisofthetotalprimaryenergybyresources,weconsiderthefollowingemissionfactors,showedintable2asitisconsideredby IIASA( in reference4).Anyway, regarding the carbonemission factorofbiomass-wastewe consider that theoriginal proposed valueof 29.9 tC/Tj , that refers to biomassmereburningwithouthanypotentialsequestration,mustbemultipliedbyafactor0.6,accordingtoanavaragevalueofemissionimpactforbiomassproposedintheworkofCherubinietal.,obtainingafinalvalueof17,94tC/Tj.
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Table2:Carbonmissionfactors.
Energycarrier Carbonemissionfactor(tC/TJ)
Biomass-waste Inthisstudy17,94
(it was 29,9 as mere biomassburning, without consideringbiomasspotentialsequestretion)
CoalProducts 25,8
NaturalGas 15,3
Other 20,0
PetroleumProducts 20,0
ForOT-2020,wecalculatethetotalprimaryenergyofbiomass-waste,coal,petroleum,otherandnaturalgas,until2050,asaprojectionofthehistoricaldata.Weconsiderthat in2020thetotalenergyfromthesefuelswillbe5,52108TJ,correspondingto45GtCO2eq.Wedecidedtofixin2050adiminutionofGHGemissionsupto17,23GtCO2.Thismeansthatprimaryenergyofthesefuelsshouldbereducedby57.1%until2,50108TJ.
ForMLT-2030,wecalculatethetotalprimaryenergyofbiomass-waste,coal,petroleum,otherandnaturalgasuntil2050,asaprojectionof thehistoricaldata.Weconsider that in2030 the totalenergyfromthesefuelswillbe5,97108TJcorrespondingto49GtCO2eq.Thus,wefix in2050adiminutionofGHGemissionsupto7,97GtCO2.Thismeansthatprimaryenergyofthesefuelsshouldbereducedofabout81,65%until1,16108TJ.
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Methodology for estimating Electricity sectorenergy/exergy
DatasourceforelectricitysectorenergyTheInternationalEnergyOutlook2016(IEO2016)hasbeentakenasthemaindatasourceforworldnet electricity generation, split by 10 different fuels: petroleum, coal, nuclear, natural gas,geothermal,solar,wind,hydropowerandother.Thetermotherincludestheconstributionfrombiomass,wasteandocean.Weconsider that theoceancontribution ismainlydue toprototypeplants, and it is quite low in comparison to biomass and waste, thus it can be , at moment,overlooked.
AccordingtotheIEOreport,theproductionofelectricityisprojectedtoincrease69%by2040,from21.6trillionkWhin2012,to25.8trillionkWhin2020and36.5trillionkWhin2040.Economicgrowthis an important factor in electricity demand growth. In the Reference case, electricity demandcontinuestoincreaseespeciallyamongtheemergingnon-OrganizationforEconomicCooperationand Development (non-OECD) economies. In non-OECD countries world -electricity generationincreasesto61%in2040(IEO2016).Moreover,theIEO2016ReferencecasetakesintoaccountthattherateofgrowthinelectricityconsumptionisgettingsmallercomparedtotherateofgrowthinGDP.From2005to2012,worldGDPincreasedby3.7%/yr,whileworldnetelectricitygenerationrose by 3.2% /yr. Considering a more extensive period, between 2012 and 2040, world GDPincreasesby3.3%/yrandtheworldnetelectricitygenerationonly1.9%/yr.
Figure1:Worldnetelectricitygenerationbyfuel,2012-40(trillionkWh).
0,00
20,00
40,00
2012 2020 2025 2030 2035 2040
Wordnetelectricitygenerationbyfuel,2012-40(trillionkWh)
Petroleum Nuclear NaturalgasCoal Renewables
0,00
5,00
10,00
15,00
2012 2020 2025 2030 2035 2040
Worldnetelectricitygenerationfromrenewablepowerbyfuel,2012-40(trillionkWh)
Other Geothermal Solar Wind Hydropower
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Methodology for estimating BAU, OT 2020 and MLT 2030scenarios.IntheIEO2016Referencecase,newandunanticipatedgovernmentpoliciesorlegislationaimedatlimiting or reducing greenhouse gas or other power-sector emissions,which could substantiallychangethetrajectoriesoffossilandnon-fossilfuelconsumption,werenotincorporated.Forthisreason,we used theworld net electricity generation calculated in IEO 2016 to define the BAUscenario,from2012to2040.TheIEO2016Referencecasecontainsonlyhistoricaldataofenergyfrom1900to2040.
Theprojectionsbysourcesuntil2050areobtainedbythelinearextrapolationofthehistoricaldata.InOT-2020andMLT-2030weconsiderthat,coal,naturalgas,petroleumproductsandotheraretotallyreplacedbyhydro,solar,geothermalandwindenergy.BiomasstoproduceelectricitymightbeusedprovidedthatCO2releasedbyitsburningissequestredbytheregrowthofnewbiomass.
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Results
ResidentialandcommercialsectorInFigure3,forresidentialandcommercialsectorweproposedthefollowinghistoricaldata:
• Primaryenergy;• Primaryexergy;• Finalenergy;• Finalexergy;• Usefulenergy;• Usefulexergy.
Themaindifferenceslieamongprimaryenergy,finalenergyandusefulenergyandanalysingusefulenergyincomparisonwithusefulexergy.
Intheresidentialandcommercialsector,thebiggestcontributionstotheprimaryenergyarecoalproducts,naturalgasandbiomass-waste.Fortheenergycarriershydroenergy,geothermalenergy,nuclearenergy,windand solarenergy, theprimaryenergyequivalent is theenergy required toproduceelectricityfromthesourcewithanefficiencyof35%andheatwithanefficiencyof85%.
The final energy is transformed into useful energy where the contribution of electricity andpetroleumproductsstillremainsignificant.Anotherimportantdifferenceisfoundbetweenusefulenergyandusefulexergy.Inusefulexergy,themajorcontributionstillcomesfromelectricityandaveryloweramountfrompetroleumproductsandfromsolarpanel.
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Figure 2 : Primary energy/exergy, final energy/exergy and useful energy/exergy by fuels forResidentialandCommercialsector,atgloballevel,1900-2050.
-1,00E+08
0,00E+00
1,00E+08
2,00E+08
3,00E+08
4,00E+08
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
PrimaryenergyResidentialandCommercialsector(TJ/yr)
Pen_Biomass-waste_Res./Comm._AllUses Pen_CoalProducts_Res./Comm._AllUses
Pen_Electricity_Res./Comm._AllUses Pen_Geothermal_Res./Comm._AllUses
Pen_Heat_Res./Comm._AllUses Pen_Hydro_Res./Comm._AllUses
Pen_NaturalGas_Res./Comm._AllUses Pen_Nuclear_Res./Comm._AllUse
Pen_Other_Res./Comm._AllUses Pen_PetroleumProducts_Res./Comm._AllUses
Pen_Solar_Res./Comm._AllUses Pen_Wind_Res./Comm._AllUses
-1,00E+08
0,00E+00
1,00E+08
2,00E+08
3,00E+08
4,00E+08
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
PrimaryexergyResidentialandCommercialsector(TJ/yr)
Pex_Biomass-waste_Res./Comm.AllUses" Pex_CoalProducts_Res./Comm._AllUses"
PEx_Electricity_Res/Comm_AllUses" Pex_Geothermal_Res./Comm._AllUses"
PEx_Heat_Res/Comm_AllUses Pex_Hydro_Res./Comm._AllUses"
Pex_NaturalGas_Res./Comm._AllUses" Pex_Nuclear_Res./Comm._AllUses"
Pex_Other_Res./Comm._AllUses" Pex_PetroleumProducts_Res./Comm._AllUses"
Pex_Solar_Res./Comm._AllUses" Pex_Wind_Res./Comm._AllUses"
0,00E+00
1,00E+08
2,00E+08
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
FinalenergyResidentialandCommercialsector(TJ/yr)
Fen_Biomass-waste_Res./Comm._AllUses Fen_CoalProducts_Res./Comm._AllUses
Fen_Electricity_Res./Comm._AllUses Fen_Geothermal_Res./Comm._AllUses
Fen_Heat_Res./Comm._AllUses Fen_Hydro_Res./Comm._AllUses
Fen_NaturalGas_Res./Comm._AllUses Fen_Nuclear_Res./Comm._AllUses
Fen_Other_Res./Comm._AllUses Fen_PetroleumProducts_Res./Comm._AllUses
Fen_Solar_Res./Comm._AllUses Fen_Wind_Res./Comm._AllUses
0,00E+00
1,00E+08
2,00E+08
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
FinalexergyResidentialandcommercialsector(TJ/yr)
Fex_Biomass-waste_Res./Comm._AllUses Fex_CoalProducts_Res./Comm._AllUses
FEx_Electricity_Res/Comm_AllUses Fex_Geothermal_Res./Comm._AllUses
FEx_Heat_Res/Comm_AllUses Fex_Hydro_Res./Comm._AllUses
Fex_NaturalGas_Res./Comm._AllUses Fex_Nuclear_Res./Comm._AllUses
Fex_Other_Res./Comm._AllUses Fex_PetroleumProducts_Res./Comm._AllUses
Fex_Solar_Res./Comm._AllUses Fex_Wind_Res./Comm._AllUses
0,00E+00
5,00E+07
1,00E+08
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
UsefulEnergyResidentialandCommercialsector(TJ/yr)
Uen_Biomass-waste_Res./Comm._AllUses Uen_CoalProducts_Res./Comm._AllUses
Uen_Electricity_Res./Comm._AllUses Uen_Geothermal_Res./Comm._AllUses
Uen_Heat_Res./Comm._AllUses Uen_Hydro_Res./Comm._AllUses
Uen_NaturalGas_Res./Comm._AllUses Uen_Nuclear_Res./Comm.AllUses
Uen_Other_Res./Comm._AllUses Uen_PetroleumProducts_Res./Comm._AllUses
Uen_Solar_Res./Comm._AllUses Uen_Wind_Res./Comm._AllUses
0,00E+00
2,00E+07
4,00E+07
1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2014 2017 2020 2030 2040 2050
UsefulexergyResidentialandcommercialsector(TJ/yr)
UEx_Biomass-waste_Res./Comm._AllUses UEx_CoalProducts_Res./Comm._AllUses
UEx_Electricity_Res./Comm._AllUses UEx_GeothermalRes./Comm.__AllUses
UEx_Heat_Res./Comm._AllUses UEx_Hydro_Res./Comm._AllUses
UEx_NaturalGas_Res./Comm._AllUses UEx_Nuclear_Res./Comm._AllUses
UEx_Other_Res./Comm._AllUses UEx_PetroleumProducts_Res./Comm._AllUses
UEx_Solar_Res./Comm._AllUses UEx_Wind_Res./Comm._AllUses
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Energy/exergyscenariosfortheResidential/CommercialsectorFigure3focusesonBAU,OT-2020andMLT-2030scenariosfortheprimaryenergybysources.InOT-2020,aswellas,inMLT-2030scenario,thecontributionfromhydroandwindtoprimaryenergybecameprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfromnaturalgas,biomass-waste,nuclearandpetroleumproducts.
Figure3:BAU,OT-2020andMLT-2030forPrimaryenergyintheResidentialandCommercialsectoratgloballevel.
0,00E+005,00E+071,00E+081,50E+08 2,00E+082,50E+08 3,00E+083,50E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
PrimaryenergyResidentialandcommercialsector(TJ/yr)
Pen_Biomass-waste Pen_CoalProducts Pen_Geothermal Pen_Hydro Pen_NaturalGas
Pen_Nuclear Pen_Other Pen_PetroleumProducts Pen_Solar Pen_Wind
BAU OT-2020 MLT-2030
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Figure4showsBAU,OT-2020andMLT-2030scenariosforthefinalenergybysources.IntheOT-2020,aswellas,inMLT-2030scenario,thecontributionfromelectricityandheattofinalenergybecomeprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfromcoalproducts,naturalgas,biomass-wasteandpetroleumproducts.
Figure4:BAU,OT-2020andMLT-2030forfinalenergyinResidentialandCommercialsector.
InFigure5BAU,OT-2020andMLT-2030scenariosfortheusefulenergyareshowed.IntheOT-2020aswellasintheMLT-2030scenario,thecontributionoftheelectricityandheattousefulenergybecameprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfromcoalproducts,naturalgas,biomass-wasteandpetroleumproducts.
Figure5:BAU,OT-2020andMLT-2030forusefulenergyforResidentialandCommercialsector.
0,00E+002,00E+074,00E+076,00E+078,00E+071,00E+081,20E+081,40E+08 1,60E+08 1,80E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
FinalenergyResidentialandcommercialsector(TJ/yr)
Fen_Biomass-waste Fen_CoalProducts Fen_Electricity Fen_GeothermalFen_Heat Fen_NaturalGas Fen_PetroleumProducts Fen_Solar
0,00E+00
2,00E+07
4,00E+07
6,00E+07
8,00E+07
1,00E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulenergyResidentialandcommercialsector(TJ/yr)
Uen_Biomass-waste Uen_CoalProducts Uen_Electricity Uen_Geothermal
Uen_Heat Uen_NaturalGas Uen_PetroleumProducts Uen_Solar
OT-2020 MLT-2030 BAU
BAU OT-2020 MLT-2030
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Figure6reportsBAU,OT-2020andMLT-2030scenarios.IntheOT-2020,aswellas,intheMLT-2030scenario,thecontributionoftheelectricityandheattousefulexergybecameprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfrombiomass-waste,coalproducts,naturalgasandpetroleumproducts.
Figure6:BAU,OT-2020andMLT-2030forusefulenergyinResidentialandCommercialsector.
0,00E+00
5,00E+06
1,00E+07
1,50E+07 2,00E+07
2,50E+07 3,00E+07
3,50E+07
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulexergyResidentialandcommercial(TJ/yr)
UEx_Biomass-waste UEx_CoalProducts UEx_Electricity UEx_Geothermal
UEx_Heat UEx_NaturalGas UEx_PetroleumProducts UEx_Solar
BAU OT-2020 MLT-2030
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Transportsector
Energy/exergyscenariosfortransportsectorFirst,wecompareBAUscenarioofprimaryenergy,withthoseoffinalenergyandusefulenergy.Wenoticethatthelargestcontributiontotheprimaryenergyintransportsectordependsonpetroleumproducts. Primary energy is transformed into final energywhere the contribution of petroleumproductsstillremainimportant,aswellas,inusefulenergy.
Figure7showsBAU,OT-2020andMLT-2030scenariosofprimaryenergy.IntheOT-2020,aswellasin theMLT-2030 scenario, the contributionofwind, solar andhydro toprimaryenergybecameprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfrompetroleumproducts.
Figure7:BAU,OT-2020andMLT-2030forprimaryenergyinthetransportsector.
0,00E+00
5,00E+07
1,00E+08
1,50E+08
2,00E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
PrimaryenergyTransportsector(TJ/yr)
Pen_Biomass-waste Pen_CoalProducts Pen_Geothermal Pen_HydroPen_NaturalGas Pen_Nuclear Pen_Other Pen_PetroleumProductsPen_Solar Pen_Wind
BAU OT-2020 MLT-2030
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Figure8reportstheOT-2020andMLT-2030scenariosofprimaryenergyfortransportsector.IntheOT-2020,aswellas,intheMLT-2030scenario,thecontributionoftheelectricitytoprimaryenergybecameprogressivelygraterand it is considered that thesesourcegradually replace theenergyderivedmostlyfrompetroleumproducts.
Figure8:BAU,OT2020andMLT2030forfinalenergyinthetransportsector
Figure9describestheBAU,OT-2020andMLT-2030scenariosofusefulenergy.IntheOT-2020,aswell as, in theMLT-2030 scenario, the contribution of the electricity to useful energy becameprogressivelygreaterinthetransportsectoranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfrompetroleumproducts.
0,00E+00
5,00E+07
1,00E+08
1,50E+08
2,00E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
FinalenergyTransportsector(TJ/yr)
Fen_Biomass-waste Fen_CoalProducts Fen_Electricity Fen_Geothermal
Fen_Heat Fen_NaturalGas Fen_PetroleumProducts Fen_Solar
BAU OT-2020 MLT-2030
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Figure9:BAU,OT-2020andMLT-2030forusefulenergyintransportsector.
Figure10describestheBAU,OT-2020andMLT-2030scenariosofusefulexergy.IntheOT-2020,aswell as, in the MLT-2030 scenario, the contribution of electricity to useful energy becameprogressivelygreaterintrasportsectoranditisconsideredthatthesesourcereplacegraduallytheenergyderivedmostlyfrompetroleumproducts.
Figure10:BAU,OT-2020andMLT-2030forusefulexergyintransportsector.
0,00E+00
1,00E+07
2,00E+07
3,00E+07
4,00E+07
5,00E+07
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulenergyTransportsector(TJ/yr)
Uen_Biomass-waste Uen_Coalproducts Uen_Electricity Uen_Geothermal
Uen_Heat Uen_NaturalGas Uen_PetroleumProducts Uen_Solar
BAU OT-2020
0,00E+001,00E+072,00E+073,00E+074,00E+075,00E+07
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulexergyTransportsector(TJ/yr)
Uex_Biomass-waste Uex_CoalProducts Uex_Electricity Uex_Geothermal
Uex_Heat Uex_NaturalGas Uex_PetroleumProducts Uex_Solar
BAU OT-2020 MLT-2030
MLT-2030
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Industrialsector
Energy/exergyscenariosforindustrialsectorHere,wecomparebetweenBAUscenariosofprimaryenergy,finalenergyandusefulenergy.Thebiggestcontributiontotheprimaryenergyinindustrialsectordependsalmostcompletelyfromnon-renewable,especiallyoncoalproductsandnaturalgas.Theprimaryenergyistransformedintofinalenergywherethecontributionofcoalproductsstillremainimportant,aswellas,inusefulenergy.Hydro energy, geothermal energy, nuclear energy, the wind and solar energy are required toproduceelectricitywithanefficiencyof35%andheatwithanefficiencyof85%.Inparticularhydro,nuclear, other and wind, which are the principal sources of primary energy are completelytransformed intoelectricitywhichbecameoneofthemajorsourcesof finalenergyandthen, inusefulenergy.Theenergycontributionsdependingfromelectricityishigherinusefulexergythaninusefulenergy.
InFigure11theBAU,OT-2020andMLT-2030scenariosforprimaryenergyintheindustrialsectorarereported.IntheOT-2020,aswellasinMLT-2030scenario,thecontributionsofhydropowertoprimary energy became progressively greater and it is considered that these sources replacegraduallytheenergyderivedmostlyfrombiomass-waste,coalproductsandnaturalgas.
Figure11:BAU,OT-2020andMLT-2030forprimaryenergyintheindustrialsector.
0,00E+005,00E+071,00E+081,50E+08 2,00E+082,50E+08 3,00E+083,50E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
PrimaryenergyIndustrialsector(TJ/yr)
Pen_Biomass-waste Pen_CoalProducts Pen_Geothermal Pen_Hydro
Pen_NaturalGas Pen_Nuclear Pen_Other Pen_PetroleumProducts
Pen_Solar Pen_Wind
BAU OT-2020 MLT-2030
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InFigure12,theBAU,OT2020andMLT2030scenariosforfinalenergyfor industrialsectorarerepresented.IntheOT-2020aswellasintheMLT-2030scenario,thecontributionsoftheelectricitytofinalenergybecameprogressivelygrateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfrombiomass-waste,coalproductsandnaturalgas.
Figure12:BAU,OT-2020andMLT-2030forfinalenergyintheindustrialsector.
In figure 13 BAU, OT-2020 and MLT-2030 scenarios of useful energy for industrial sector aredescribed.IntheOT-2020,aswellas,intheMLT-2030scenario,thecontributionsoftheelectricityandheat touseful energybecameprogressively greater and it is considered that these sourcesreplacegraduallytheenergyderivedmostlyfrombiomass-waste,coalproductsandnaturalgas.
Figure13:BAU,OT-2020andMLT-2030forusefulenergyinindustrialsector.
0,00E+00
5,00E+07
1,00E+08
1,50E+08
2,00E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
FinalenergyIndustrialsector(TJ/yr)
Fen_Biomass-waste Fen_CoalProducts Fen_Electricity Fen_Geothermal
Fen_Heat Fen_NaturalGas Fen_PetroleumProducts Fen_Solar_Industry
BAU OT-2020 MLT-2030
0,00E+002,00E+074,00E+076,00E+078,00E+071,00E+081,20E+08
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulenergyIndustrialsector(TJ/yr)
Uen_Biomass-waste Uen_CoalProducts Uen_Electricity Uen_Geothermal
Uen_Heat Uen_NaturalGas Uen_PetroleumProducts Uen_Solar
BAU OT-2020 MLT-2030
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Figure14describesBAU,OT-2020andMLT-2030scenariosofusefulexergy.IntheOT-2020aswellasintheMLT-2030scenario,thecontributionsoftheelectricityandheattousefulenergybecameprogressivelygreateranditisconsideredthatthesesourcesreplacegraduallytheenergyderivedmostlyfrombiomass-waste,coalproductsandnaturalgas.
Figure14:BAU,OT-2020andMLT-2030forusefulexergyinindustrialsector.
0,00E+00
1,00E+07
2,00E+07
3,00E+07
4,00E+07
5,00E+07
6,00E+07
2017 2020 2030 2040 2050 2017 2020 2030 2040 2050 2017 2020 2030 2040 2050
UsefulexergyIndustrialsector(TJ/yr)
Uex_Biomass-waste Uex_CoalProducts Uex_Electricity Uex_Geothermal
Uex_Heat Uex_NaturalGas Uex_PetroleumProducts Uex_Solar
BAU OT-2020 MLT-2030
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Electricitysector
BAUenergy/exergyThenetenergygenerationdependsmostlyonnonrenewableenergiesinparticularoncoal,naturalgas andnuclear. The contribution from renewable energies still remains small if anypolicies toreduceGHGemissionarenottakenintoaccount.
Figure15:Ontherightworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileontheleftnetelectricityexergybyfuel.
01020304050
2012 2017 2020 2025 2030 2035 2040 2045 2050
Worldnetelectricitygenerationbyfuel,2012-50(trillionkWh)
Petroleum Nuclear Naturalgas Coal Other
Geothermal Solar Wind Hydropower
0
20
40
60
2012 2017 2020 2025 2030 2035 2040 2045 2050
Netelectricityexergygenerationbyfuel,2012-50(trillionkWh)
Petroleum Nuclear Naturalgas Coal Other
Geothermal Solar Wind Hydropower
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OT-2020energy/exergyAsitisshowninfigure16,in2012,thenetenergygenerationdependsmostlyoncoal,naturalgas,nuclearandbiomass.Startingfrom2020,thecontributionfromrenewableenergiesgrowsrapidlyanditissupposedthattheseresources,inparticularhydropowerandwind,replacegraduallyallthefuelsthatareresponsibleforCO2emissions.
Figure16:Ontheright,theOT-2020forworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileontheleft,theOT-2020fornetelectricityexergybyfuel.
0
20
40
60
2012 2017 2020 2025 2030 2035 2040 2045 2050
OT-2020Netelectricityenergy(kWh/yr)
Petroleum Nuclear Naturalgas
Coal Other Geothermal
Solar Wind Hydropower
0
20
40
60
2012 2017 2020 2025 2030 2035 2040 2045 2050
OT-2020Netelectricityexergy(kWh/yr)
Petroleum Nuclear Naturalgas
Coal Other Geothermal
Solar Wind Hydropower
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MLT-2030energy/exergyFigure17showstheMLT-2030ofworldnetelectricityenergybysources.Inthisscenario,thehydroenergy,solar,windandgeothermalenergyreplaceuntil2050allfossilfuels.
Figure17:Ontheright,theMLT-2030forworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileonthelefttheMLT-2030fornetelectricityexergybyfuel.
01020304050
2012 2017 2020 2025 2030 2035 2040 2045 2050
MLT-2030Netelectricityenergy(kWh/yr)
Petroleum Nuclear Naturalgas Coal Other
Geothermal Solar Wind Hydropower
0
20
40
60
2012 2017 2020 2025 2030 2035 2040 2045 2050
MLT-2030Netelectricityexergy(kWh/yr)
Petroleum Nuclear Naturalgas Coal Other
Geothermal Solar Wind Hydropower
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ConclusionsIn this report, we assumed that energy/exergy pathways of non-renewable energy for eacheconomicsectorshoulddecrease following thesametrendofGHGemission,except for thenetelectricitygeneration,whererenewableenergiestotallyreplacedthenon-renewableenergies.Weincludedinnon-renewableenergiesalsothebiomassbecauseit isresponsibleforCO2emissionsevenifitisconsideredarenewablessource.
Therefore,consideringtheCO2budgetlimitwedevelopedtwodifferentscenariostheOT-2020andMLT-2030,startingfrom2020and2030upto2050. Inthefirstone,wefoundthatsolar,hydro,geothermal and wind should increase about the 57,1% while in the latter, about 81,65%. Asexpected, theelectricenergy is thehighestqualityofenergycarrier,having the largestvalueofexergyconservedforsubsequentuses.Thepenetrationofelectricitycouldreallycontribute inamassivereductionoftheemissionsintransportationsectors.
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ListofTablesTable1:Exergyfactors(exergytoenergyratio)basedonNakićenovićetal.(1996).....................15
Table2:Carbonmissionfactors......................................................................................................17
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ListofFiguresFigure1:Worldnetelectricitygenerationbyfuel,2012-40(trillionkWh).....................................18
Figure 2 : Primary energy/exergy, final energy/exergy and useful energy/exergy by fuels forResidentialandCommercialsector,atgloballevel,1900-2050......................................................21
Figure3:BAU,OT-2020andMLT-2030forPrimaryenergyintheResidentialandCommercialsectoratgloballevel...................................................................................................................................22
Figure4:BAU,OT-2020andMLT-2030forfinalenergyinResidentialandCommercialsector.....23
Figure5:BAU,OT-2020andMLT-2030forusefulenergyforResidentialandCommercialsector.23
Figure6:BAU,OT-2020andMLT-2030forusefulenergyinResidentialandCommercialsector..24
Figure7:BAU,OT-2020andMLT-2030forprimaryenergyinthetransportsector.......................25
Figure8:BAU,OT2020andMLT2030forfinalenergyinthetransportsector.............................26
Figure9:BAU,OT-2020andMLT-2030forusefulenergyintransportsector................................27
Figure10:BAU,OT-2020andMLT-2030forusefulexergyintransportsector..............................27
Figure11:BAU,OT-2020andMLT-2030forprimaryenergyintheindustrialsector.....................28
Figure12:BAU,OT-2020andMLT-2030forfinalenergyintheindustrialsector..........................29
Figure13:BAU,OT-2020andMLT-2030forusefulenergyinindustrialsector..............................29
Figure14:BAU,OT-2020andMLT-2030forusefulexergyinindustrialsector..............................30
Figure15:Ontherightworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileontheleftnetelectricityexergybyfuel............................................................................................................31
Figure16:Ontheright,theOT-2020forworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileontheleft,theOT-2020fornetelectricityexergybyfuel.....................................................32
Figure17:Ontheright,theMLT-2030forworldnetelectricityenergybyfuel,2012-50(trillionkWh)whileonthelefttheMLT-2030fornetelectricityexergybyfuel....................................................33
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Part2-Task3.3.b:EvaluationofmonetaryfluxesbetweensectorsnecessarytoachievetheplannedscenariosforOptimalTransition(OT)andMid-leveltransition(MLT)
IntroductionChangingourenergysystemwill requireacompleteshift fromfossil fuelenergies to renewable
energies. TheobjectiveofWorkPackage3 is toexploreand studydifferent scenarios and their
temporalevolution foreachselected initialpolicy framework inorder tobeable toachieve the
objectiveofa low-carboneconomy in2050.Theexpectedevolutionof thescenariosduring the
processoftransitionshouldbeanalysed,byconsidering,amongothers,monetaryfluxesbetweensectorsandtheirdevelopmentpathways.
Ourreportprovidesananalysisofexpectedfuturemonetaryfluxesbetweeneconomicsectors(or
industries)duringthetransitiontoalow-carboneconomy.Theanalysisisprovidedonthebasisof
input-output tables from the World Input-Output Database (WIOD) with 35 industries and
addicionalitemsthatarelistedandnumberedbelow.
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Table1:ListofWIODsectors
Inthefirstpartofthisreport(Methodology),wedescribesomebasicfeaturesofthemethodwe
apply – input-outputmodelling– toprovideexplanationsof the termsweuse andof thebasic
relations between considered aspects of the issue we deal with – monetary fluxes between
industriesduringthetransitiontoalow-carboneconomy.
1-Agriculture,Hunting,ForestryandFishing2-MiningandQuarrying3-Food,BeveragesandTobacco4-TextilesandTextileProducts5-Leather,LeatherandFootwear6-WoodandProductsofWoodandCork7-Pulp,Paper,Paper,PrintingandPublishing8-Coke,RefinedPetroleumandNuclearFuel9-ChemicalsandChemicalProducts10-RubberandPlastics11-OtherNon-MetallicMineral12-BasicMetalsandFabricatedMetal13-Machinery,Nec14-ElectricalandOpticalEquipment15-TransportEquipment16-Manufacturing,Nec;Recycling17-Electricity,GasandWaterSupply18-Construction19-Sale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuel20-WholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcycles21-RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoods22-HotelsandRestaurants
23-InlandTransport24-WaterTransport25-AirTransport26-OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgencies27-PostandTelecommunications28-FinancialIntermediation29-RealEstateActivities30-RentingofM&EqandOtherBusinessActivities31-PublicAdminandDefence;CompulsorySocialSecurity32-Education33-HealthandSocialWork34-OtherCommunity,SocialandPersonalServices35-PrivateHouseholdswithEmployedPersons60-Totalintermediateconsumption61-Cif/fobadjustmentsonexports62-Directpurchasesabroadbyresidents63-Purchasesonthedomesticterritorybynon-residents64-Valueaddedatbasicprices65-InternationalTransportMargins69-Outputatbasicprices99-taxeslesssubsidiesonproducts
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MethodologyWe first provide an assessment of historical developments of inter-idustry monetary flows
between1995 and2011. Thepast trends are presented to show changes in relation to various
economic policies and developments. The expected futuremonetary flows are shown for 2030
and2050,andthemonetaryflowsfortheyears inbetweenareinterpolated.Weoperateonthe
globallevelformostofthetime.However,weincludealsotwocountrylevelexamplesforabrief
comparisonand foramoredetailedperspective.For2020weextrapolate thebusinessasusual
scenariofrom2011.For2030,weprovidetwomatrices–onefortheMidleveltransitionscenario
(MLT)andonefortheOptimaltransitionscenario(OT).For2050wethenprovideonlyonetable,
which should describe the state of the economy we are aiming to reach (i.e. the low-carbon
economy that should assure staying below 2°C temperature increase until 2050). For the
modellingneeds,weapproximatethelow-carboneconomyaszero-carbon,orasanalmostzero-
carboneconomy.
Ourapproachistryingtoanswerthequestionatwhatcostisthezero-carboneconomyfeasible(until 2050), andwhich changes in economic structurewould this transition require. The firststepistobetterunderstandhowchangesintheenergymixinfluencereachingthegoal(i.e.how
changesintheenergymixcouldhelptoachievethe“zero-carbon”goalin2050).Themaintaskis
thereforetoincorporatethe(expected)increaseoftherenewableenergyshare,andseehowthe
economic structure changes or might change due to this increase. In other words, we try to
answer(ifthereisnotechnologicalchange),whataneconomyfullybasedonrenewableenergies
would look like, or how feasible such an economy is. As the WIOD IO tables do not have a
disaggregatedelectricitysectoraccordingtodifferentsourcesofenergy,weneedtoinsertanew
sectorintotheinput-outputstructure,inordertotrackthegradualchangesintheenergymix.The
rationale is that the share of energy produced from fossil fuels needs to decrease, and this
productionneedstomovetotherenewableenergiessector(whichneedstoincrease).
Wedecided todisaggregate theelectricityproduction sector (called “Electricity,Gas andWater
Supply”intheWIODstructure)forsolarandwindenergyononehand,andfortherestofenergy
sources(includingfossilfuels,coalbeingamongtheleadingones)ontheother.
The key sector we focus on (Electricity, Gas andWater Supply) is composed of the following,
accordingtotheISIC3standard:
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TabulationCategory:E-Electricity,gasandwatersupply
Breakdown:
ThisTabulationCategoryisdividedintothefollowingDivisions:
• 40-Electricity,gas,steamandhotwatersupply• 41-Collection,purificationanddistributionofwaterClass:4010-Production,collectionanddistributionofelectricity
This class includes generation, collection, transmission and distribution of electric energy for sale to household,
industrialandcommercialusers.
Electricityproductionmaybehydraulic,conventional,thermal,nuclear,geothermal,solar,tidal,etc.,inorigin.
Included are electric power plants which sell a significant amount of electricity to others, as well as produce
electricity for their parent enterprise andwhich can be reported separately from the other units of the parent
enterprise.
Class:4020-Manufactureofgas;distributionofgaseousfuelsthroughmains
This class includes manufacture of gaseous fuels. Production of gas by carbonation of coal or by mixing
manufacturedgaswithnaturalgasorpetroleumorothergases.
Distributionofgaseousfuelsthroughasystemofmainstohousehold,industrial,commercialorotherusers.
Exclusion: Transportation by pipeline of gaseous fuels, on a fee or contract basis, is classified in class 6030
(Transportviapipelines).
Class:4030-Steamandhotwatersupply
This class includes production, collection and distribution of steam and hotwater for heating, power and other
purposes.
Class:4100-Collection,purificationanddistributionofwater
Thisclass includescollection,purificationanddistributionofwater tohousehold, industrial, commercialorother
users.
Exclusions:Irrigationsystemoperationforagriculturalpurposesisclassifiedinclass0140(Agriculturalandanimal
husbandryserviceactivities,exceptveterinaryactivities).
Treatment of wastewater in order to prevent pollution is classified in class 9000 (Sewage and refuse disposal,
sanitationandsimilaractivities).
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We decided to focus only onwind and solar energy production. The special nature of biomass
(whichcaninmanycasesrathercontributetoCO2emissionstheneliminatingthem)ledustoskip
thisrenewableenergysource.Problematicaspectsofhydropowerenergy,especiallyofbigdams
projects, ledustoexcludethissourceofenergy, too.Solar (fromphotovoltaicpanels)andwind
energyarealsoamongthemostpromisingenergysourcesforthefuture,asshownbythelatest
IPCCreport–figures1and2below.
Figure 1: Historical development of global primary energy supply from renewable energy from1971to2008.
Source:ClimateChange2014SynthesisReport,2014
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Figure2:Globalprimaryenergysupply(directequivalent)ofbioenergy,wind,directsolar,hydro,and geothermal energy in 164 long-term scenarios in 2030 and 2050, and grouped by differentcategoriesofatmosphericCO2concentrationlevelthataredefinedconsistentlywiththoseintheAR4.
Thethickblacklinecorrespondstothemedian,thecolouredboxcorrespondstotheinter-quartilerange(25thto75thpercentile)andtheendsofthewhitesurroundingbarscorrespondtothetotalrangeacrossallreviewedscenarios.
Source:ClimateChange2014SynthesisReport,2014
The main challenge is then clear: how to insert these two new sectors into the input-output
structure? The sectoral decomposition should be done in order to allow us modelling the
increasing shareof renewableenergies,and its impact to the restof theeconomy.Thus, in the
secondpartofthischapter,wediscussmethodsofsectoraldecomposition.Apartfromthistask,
theanalysisshouldalsobegroundedinasoundmethodofelicitingfuturedevelopmentpathways.
Weprovideadescriptionofanapproachwethinkmightbeusefultoapplyforestimatingfuture
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developments in Input-Output economic structure – monetary fluxes between industries in an
economy–furtherbelowaswellasinthethirdpartofthischapter.
Input-outputbasicsandtechnicalcoefficientsThis section is dedicated to an overview of input-output analysis, a method applied to the
modellingofmonetaryfluxes.Aswewillbemostofthetimedealingwiththeso-called“technical
coefficients”,weprovideabriefexplanationofwhatthesetechnicalcoeffientsmeanandwhatis
their role in analysing structural changes in the economy (in this case the transition to a low-
carboneconomy).
The basic input-output transaction table consists of rows showing “Who gives to whom?” and
columns showing “Who receives fromwhom?” in an economy. To identify key features of the
post-carboninput-outputeconomicstructureitisnecessarytofocusonthetechnicalcoefficients
for intermediate inputs. Technical coefficient is a ratio of input to a given sector to its output,
measured in monetary terms (Miller and Blair, 2009). The determinants of the technical
coefficients cover technological progress (Leontief, 1983), but also infrastructure policies,
substitutionduetorelativepricechanges,aswellasindustrialstructure(Peneder,2003).
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Input-outputbasicsThe following descriptions of input-output basics are based on Miller and Blair (2009). If the
economyisdividedintonsectors,andifwedenotebyXithetotaloutput(production)ofsectoriandbyYithetotalfinaldemandforsectori’sproduct,wemaywritesectori’soutput:
Xi=zi1+zi2+…+zii+…+zin+YiXi…TOTALOUTPUT(PRODUCTION)OFSECTORizi1…PRODUCTSGOINGFROMSECTORiTOSECTOR1Yi…TOTALFINALDEMANDFORSECTORi’sPRODUCT
Thez termson the right-handside represent the interindustry salesby sector i, thus theentireright-hand side is the sumof all sector i’s interindustry sales and its sales to final demand. The
aboveequationrepresentsthedistributionofsectori’soutput.Thefollowingequationreflectstheoutputsofeachofthensectors:
X1=z11+z12+…+z1i+…+z1n+Y1X2=z21+z22+…+z2i+…+z2n+Y2
……………
Xi=zi1+zi2+…+zii+…+zin+Yi……………
Xn=zn1+zn2+…+zni+…+znn+Yn
Considertheinformationintheithcolumnofz’sontheright-handside–thataresalestosectori(i’spurchasesoftheproductsofvariousproducingsectorsintheeconomy):
z1iz2i…zii…zni
These elements are the sales to sector i, that is, i’s purchases of the products of the variousproducing sectors in the country; the column thus represents the sources and magnitudes of
sectori’sinputs.
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Clearly,inengaginginproduction,thesectoralsopaysforotheritems–forexample,labourand
capital–andusesotherinputsaswell,suchasinventorieditems.Allofthesetogetheraretermed
thevalueaddedinsectori.Inaddition,importedgoodsmaybepurchasedasinputsbysectori.
Alloftheseinputs(valueaddedandimports)areoftenlumpedtogetheraspurchasesfromwhatis
calledthepaymentssector,whereasthez’sontheright-handsideoftheequationservetorecordthe purchases from theprocessing sector, the so-called interindustry inputs. Since each sectorcanalsouseitsoutputasitsowninput,interindustryinputsincludeintraindustryinputsaswell.
Themagnitudesoftheseinterindustryflowscanberecordedinatable,withsectorsoforigin(i.e.sellers) listed on the left, and the same sectors, now “destinations” (i.e. purchasers), listedacross the top. From the columnpointof view, these showeach sector’s inputs; from the row
pointofview,thefiguresareeachsector’soutputs.
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Technicalcoefficients,AmatrixandLeontiefinverseInthetraditionalLeontiefinput-outputmodel,thesectoraloutputsarederivedfromexogenously
specifiedfinaldemands.Themodelisalsobeingreferredtoas“demand-driven”becauseitisthe
finaldemandvectory(orfinaldemandmatrixY)thatdrivesthemodelentirely.Itdeterminestotal
outputs (x), intermediate inputs (Z) and primary inputs (W) via a set of fixed coefficients. This
approachexamineshowmuch isneededof theoutput frompreceding,verticalstagesorof the
primaryinputs,eitherforfinaluseorforaunitofoutputofsomeindustry(Augustinovics,1970).
The first step in using the information given in IO tables is to calculate the individual technical
inputcoefficients,alsocalledtechnicalcoefficients,i.e.thedirectbackwardlinkages1.
Theinterindustryflowsfromsectoritoj(foragivenperiod–mostly1year)dependentirelyand
exclusivelyonthetotaloutputrequiredfromsectorjforthesameperiod.Forexample,themore
carsproducedinayear,themoresteelwilltheautomobileproducersneedduringthatyear.The
technicalcoefficient–ratioofinputtoagivensectortoitsoutput–definestheexactnatureofthis relationship. Technical coefficient is the ratioof input to sector’s total output,which is the
euro’sworthofinputsfromsectoripereuro’sworthofoutputofsectorj.
Input-outputanalysisworksherewithanassumptionofconstantreturnstoscale,whichmeans
that the coefficient does not depend on (and does not change with) the amount of items
produced.Theassumptionofthesecoefficientstobeconstantmeansthattheinputsacquiredby
sector j from sector i depend only and entirely on the total output of sector j. Technicalcoefficientsaijarecalculatedasshowninequation(1).
(1) orinmatrixform
(2) [ …diagonalisedvectorx]or
1 The termbackward linkages is used to describe the level of interconnection between a particular sector and thesectorsfromwhichitpurchasesinputs.TheelementsoftheAmatrixonlycapturethedirectbackwardlinkages,whilethe elements of the Leontief inverse take account of both, direct and indirect backward linkages (Miller and Blair,2009).
j
ijij x
za =
-1xZA ˆ= x̂
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(3) ifappliedtotableform
This assumed fixed relationship between a sector’s output and its inputs implies also the
assumptionofa fixedproportionof inputs, i.e.a fixedproduction function.Thismeans, input-
output analysis requires that a sector use inputs in fixedproportions – not onlyaij is assumed
fixed, but also the ratio between total output of a sector and its primary inputs (e.g. labour,
capital,…). Suppose that sector 4 from the example above also buys inputs from sector 2, and
that, for period of observation, z24=$750. Therefore, a24=z24/X4=$750/$15,000=0.05. For
X4=$15,000, inputs from sector 1 and sector 2 were used in the proportion
P12=z14/z24=$300/$750=0.4. This is simply the reflection of the fact that
P12=z14/z24=a14×X4/a24×X4=a14/a24=0.02/0.05=0.4.P–theproportion–istheratioofthetechnical
coefficients,andsincethecoefficientsarefixed(=theproductionhaveconstantreturnstoscale),
thentheinputproportionisfixed.
Technical coefficients development can be used to estimate changes in the productmixwithin
eachsector,aswillbedescribedbelowinthepartonstrucutraldecomposition.
Thisratiobetweentotaloutputofasectoranditsprimaryinputsforaneconomywithsprimary
inputsisgivenbythecoefficientcsi,whichisformalizedinEq.(4).Notethatthesumoftechnicalinput coefficients (A matrix) and primary input coefficients (C) have to amount to unity (i’),becauseof Eq. (9) [compareEq. (6)]. This fixed ratioonly refers tomonetary inputs included in
value added and not any physical ones which are not accounted for in value added (natural
resources).Theassumptionoffixedinputcoefficientscanbeintheoryjustifiedonthebasisofthe
Walras-Leontief production function, where firms are assumed to operate a cost-minimizing
strategy.
(4) orinmatrixannotation
(5)
úúúúúúú
û
ù
êêêêêêê
ë
é
=
3
33
2
32
1
31
3
23
2
22
1
21
3
13
2
12
1
11
xz
xz
xz
xz
xz
xz
xz
xz
xz
A
j
sjsj x
wc =
1ˆ -= xWC
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(6) i’A+i’C=i’
(7)
Usuallythequestiontobeansweredindemand-sideIOmodelling,isthefollowing:Iffinaldemand
fromoneormoreof theexogenous sectors (e.g.: households, government, etc.) is expected to
increaseordecrease in the future,howwould thisaffect the totaloutputxnecessary tosatisfythis new demand and its effects throughout the economy? In order to get x, Eq. (2) is firstlytransformed intoEq. (8). ReplacingZ in (9) thengives Eq. (10). Bringing all thex ontoone sideequals (11), which can then be transformed into (12) and finally X can be found when pre-multiplyingywiththesocalledLeontief Inverse inEq.(13).This inverse,(I−A)-1,providesanewmatrix which shall be denoted asΩ and its elements asaij. A value of say 0.5 fora23, would
indicatethatinordertosatisfy1dolarworthofincreaseintheservicesector’s(j=3)finaldemand
(Dy3=1),requires0.5dollarworthofincreasedoutputinthemanufacturingsector(i=2),i.e.Dx2=0.5.
(8)
(9) y=Yi
(10)
(11) [Notethat ]
(12)
(13) Leontiefinverse…denotingtheelementsof(I−A)-1asaijthiscanbe
resolvedas:
(14)
÷÷ø
öççè
æ= s
cw
i, az
xsj
sj
ij
ijj allfor allfor Min
ZxA =ˆ
yixAx += ˆ
yAxx =- xix =ˆ
( ) yxAI =-
( ) yAIx 1--=
nnnjnjnnn
ninjijiii
nnjj
yα...yα...yαyαx
yα...yα...yαyαx
yα...yα...yαyαx
+++++=
+++++=
+++++=
2211
2211
112121111
!
!
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Decompositionofsectorsininput-outputtablesWhenthereisdeeperinterestinlookingatoneofthesectorsinbiggerdetail,analystsareoften
compelledtofindouthowtodisggregatethesectorintosmallercomponentsthatwillbeofuse
for their analysis. This is also the case for inserting our two RES sectors into the input-output
structure. Aswe said above,we take technology as fixed (opposite to some other approaches,
such as endogenizing technological change by Pizer nad Popp (2008)), and we are therefore
interestedintheeffectsofchangingenergymixtothewholestructureoftheeconomy.Thereare
various approaches how to disaggregate the sectors intomore detailed components – someof
whichwepresentbelow. There are varietyofmeansbywhichdata for input-output tables are
compiled.
It should be noted that dealing with technological change and its endogenizing would require
dealingwith theso-called learningcurves.However,although learningcurveshavebeenwidelyadopted in climate-economymodels to endogenoize changes of energy technologies, they are
criticezdbysomeauthors–e.g.byPanandKöhler(2007)–fornotseparatingtheeffectsofprice
and technological change. Thus, they cannot reflect continuous and qualitative change of both
conventional and emerging energy technologies, cannot help to determine the time paths of
technologicalinvestment,andmissthecentralroleofresearchanddevelopmentactivityindriving
technologicalchange(PanandKöhler,2007).
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StructuraldecompositionanalysisMillerandBlair (2009)provideadescriptionofonemethod fordisggregationof changes in the
sectors in input-outputtables–theso-calledstructuraldecompositionanalysis (SDA).WithSDA,
the total change in gross outputs between two periods can be broken down into that partassociatedwithchangesintechnology(i.e.changesintheLeontiefinversefortheeconomyover
theperiod)andthatpart relatedtochanges in finaldemandover theperiod (MillerandBlair,
2009: 593). At the next level, the total change in the Leontief inverse matrix could be
disaggregated into a part that is associated with changes in technology within each sector (as
reflected inchanges in thedirect inputcoefficientsmatrix)andthatpart that isassociatedwith
changesinproductmixwithineachsector.Especiallythelatter,impactsassociatedwithchanges
inproductmix,willbeofourinterest.
Theinput-outputSDAgenerates,bydefinition,resultsatthesectorallevel.Forann-sectormodel,
each element in the n-element vector of changes will be decomposed into two or more
constituent elements (Miller and Blair, 2009: 596). Alternatives are e.g. grouping sectors into
categoriesandthenfindingaverages–MillerandBlair(2009:596)mentionforexample“fastest
growing sectors”, “fastest declining sectors” and other sectors, or primary (natural resource
related), secondary (manufacturing and processing) and tertiary (supprot and servic oriented)
sectors.Thisapproach,however,runsaseriousriskoflosingthedetailedlookintotheparticular
sectors(incaseofouranalysisintothe35WIODsectors).
Asmentionedabove, theresultingchanges in finaldemandscanbealsoduetoachange in the
relativeproportionsofexpenditureon thevariousgoodsandservices, suchand inourcase the
shiftfromfossilfuelssourcesofelectricitytorenewablesources(mainlywindandsolar).Similarly,
as described above, changes in the Leontief inverse result from changes in the economy’s A
matrix.This, in turn,mayreflectamongotherschanges inproduction recipes (suchas replacing
coalenergyforelectricityproductionbywindorsolarpower),aswellassubstitutionscausedby
relativepricechanges,reductionsinasector’smaterialsinputsperunitofoutputetc.(Millerand
Blair,2009:598).
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AnnualreportsWhenthereisnotenoughinformationforconstructingthetechnicalcoefficientsinmoredetailed
sectoral levelthanprovidedbytheofficial input-outputdatabases,oneneedstoconstructthese
subsectors“fromthebottom-up”.Thus,adaptationofdatafromothersourcesisamongthemost
formidablechallengesinusinginput-outputanalysis(MillerandBlair,2009:119). Ifdataneeded
for theconstructionofone, twoorseveralparticularsubsectors (suchas inourcase)whichare
notpartofany largerdatacollection(forcollectingdataonnationalaccountsetc.), theyusually
have tobebasedona so-called“ad-hocsurvey”.Thismeansa search forprimaryor secondary
dataontheproducerscostshares.
One possibility is to look into the renewable energy producing companies’ annual reports. The
annual reports should provide information not only on how much and with which inputs
production is realisedby eachRES technology, but also thebalance sheets ofwhatpart of this
energygoeswhere(aselectricity,inourcase).Theannualreportsdescribehowmuchofwhatthe
companybuysfromwhichproducer(supplier)andhowmuchitsellstowhom(forexample,the
company spends X amount ofmoney for buing fuel on trucks, Y amount ofmoney for buying
photovoltaicpanels frommanufactorers, andZ amountofmoney formaintaining thesepanels;
andthensellstheenergyproducedwiththeseinputstoconsumers).
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InputcostsharesSomewhat similar to looking into companies’ annual reports and balance sheets, albeit a bit
different,istolookinstudiesmappinginputcostsharesforelectricityproductionfromrenewable
energy sources. In practice, thismeans searching for studies on various inputs into production,
managementanddistributionoftheRESenergysources,suchaswindmillsorphotovoltaicpanels.
With this approach, it is possible to open up the input components of the Electricity, Gas and
Water supply sector for the renewableenergypart (namelywindand solarenergyproduction).
Thesecostsharesareusuallyprovidedbysecondarydatasources,suchasreportsandacademic
papersregardingthedistributionorthe“economics”ofrenewableenergyproduction.Thisis,they
providedataonthecostofeachinputtorunarenewableenergysource(windmill,photovoltaic
panel).Forexample,Blanco(2009)providessuchanalysesforwindfarms.
Whenderivingdatafromsuchsources,onehastobecarefulwiththedifferencebetweencapital
costs and variable costs. Basically, capital costs are those needed for the construction of the
turbine/panel (i.e. for theequipmentwhich thenproducesenergy).Usually, theyoccupyonlya
smallproportionoftheoverallnumber,accordingtocapitaldepreciation.Inourcasewecalculate
with a capital cost share of 1/20, which assumes a life-span of such equipment of 20 years.
Variable costs cover the operation andmanagement during the periodwhen the turbine/panel
worksandproduceselectricity.
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Exploringpost-carbonfuturesAn overview of approches suitable for estimating future changes and developments of input-
outputeconomicstructures isprovided inthissection.First,anapproachbasedonparticipatory
modellingisdiscussed.Weproposethat inordertomaketheanalysisofthemonetaryfluxesas
reliableaspossible,thesetwoapproachesandespeciallytheircombinationseemtobethemost
promising path. As such, both of them should be – ideally – combined in theMEDEASmodel
development.However, for theneedsof this report,amoreconventionalmethodofestimating
possiblefuturemonetaryfluxeswasapplied,asdescribedabove.
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Approaches basedon stakeholder participation – participatorymodellingAn overview of approches suitable for estimating the future developments of input-output
structuresoftheeconomyisdiscussedbyDuchinandLange(1994).Revealingpotentialpathstoa
post-carbon future requires not only detailed knowledge of the current state and historical
developments,butalsoqualifiedestimatesoffuturedevelopmentinparticularareasofthesocio-
economicsystems,suchasinourcaseoftheenergysector.
Thereareseveralapproachesandmethodsofpredictingfuturechangesinvariousareasofhuman
activityandnaturalsystems.Ourapproach–participatorymodellingforobtainingthenecessary
inputs – is proposed for the MEDEAS model development in order to formulate sectoral
transformation guided by low-carbon transition objectives. Participatory modelling means
incorporating stakeholders such as the general public, decision-makers or experts from the
respectivefieldsintothemodelingprocess.Thisapproachiswidelyappliedinenvironmentaland
natural resourcemodeling to increase the legitimacyofmodel results, guarantee their practical
applicabilityandtriggerlearningeffectsamongparticipantstoallowaco-constructionofpossible
futures(Höltingeretal.,2016).
Thereforewepropose to base themodelling of themonetary fluxes on a participatory process
bringingtogetherpeoplewithexpertknowledgeabout futuredevelopments (organizationaland
technological changes that are supposed to be leading to a low-carbon economy) in particular
economicsectors(namelysectors8and17oftheWIODstructure–Coke,RefinedPetroleumand
Nuclear Fuel, and Electricity, Gas andWater Supply) with people coming up withmultifaceted
proposals, ideas and visions about a low-carbon future thatwill be translated into the logic of
input-outputtablesof2020,2030,2040and2050.
“Experts” (e.g. engineers or researchers) are stakeholders with detailed knowledge of possible
developments inparticulareconomicsectors.Asimilarapproachwasappliede.g.byDuchinand
Lange (1994). People coming up with multifaceted low-carbon transition proposals we call
“engagedcitizens” (weusetheterm“stakeholders”to indicatebothgroups).“Engagedcitizens”
can be e.g. activists (usually represented by citizen initiatives and networks), decision-makers,
NGO analysts, or even researchers. The underlying assumption is that “engaged citizens” have
both(1)knowledgeofthetopic,and(2)deepinterestinshapingthefuturetowardstheirdesires.
For the needs of MEDEAS model development, we propose to frame the research design by
combiningviewsof “experts”with“engagedcitizens”.Suchanapproachshouldassure thatnot
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only knowledge of development in particular sectors and their interconnections, but also ideas
about ways to shape their development in order to achieve a low-carbon future, are taken
seriouslyintoaccount.
Oncetechnicalcoefficientsandtheirchangesovertimearedefined, it ispossibletobuildfuture
input-output table(s), showing the interacting elements (input-output relations among sectors)
required for a structural representation of the low-carbon economy. Obtaining the technical
coefficients requires detailed quantification of various proposals and ideas about future
developments.Asalreadymentionedabove, themainchallengeof theproposedapproach is to
define technical coefficients – in practical terms, we would propose to ask experts and other
stakeholdershowthey think the inputsandoutputs (=thetechnicalcoefficients)couldevolve in
thefutureandwhy.
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ResultsFirst,areviewofrecenthistoryofmonetaryfluxesandconsumptionpatternsisprovided.Inthe
secondpart,wefocusonfutureprojectionsforanaggregatedoverviewforallsectorsusedinthe
WIOD tables, modelling the developments in the Electricity, Gas and Water Supply sector.
However, this is of course a non-exhaustive analysis and as such it shouldbe treatedonly as a
thresholdoralineofthinkingfortheMEDEASmodeldevelopment.
In theFigures3,5,7,8,910,15,16,17and18below in this section, the35WIODsectorsare
listedaccordinglymarkedwithdifferentcolours–thefirstbottomcomponentofthechartshows
technicalcoefficientdevelopmentsofthesector1–Agriculture,Hunting,ForestryandFishing;the
secondonefromthebottom(greenbigone)meansdevelopmentsofthetechnicalcoefficientsfor
thesector2–MiningandQuarrying;etc.Thismeansthatthelistofsectorsfrom1to35(seethe
listofsectorsintheintroductorysectionofthisreport)goesfromthebottomup,andsodothe
monetaryflowsdisplayedonthechartnexttothelistofsectors.
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Historicaltrends
WorldlevelReviewof changes inmonetary fluxesat theworld level for the sector17–Electricity,Gasand
Water supply technical coefficientsand for thesector8–Coke,RefinedPetroleumandNuclear
Fueltechnicalcoefficients.Theresultsforbothsectorsshowoverallincreaseinproductioninthis
period,sloweddownbythe2008worldeconomiccrisis(seeFigure3and5).
Electricity,GasandWaterSupplyThe biggest contributors to the sector’s 17 total output production are Mining and Quarrying
(secondfromthebottom,greenone),thenthesectoritself(Electricity,GasandWatersupply–big
orangeoneinthemiddle),andthenRentingofM&EqandOtherBusinessActivities(6thfromthe
top); Coke, Refined Petroleum andNuclear Fuel (red one, fourth from the bottom); and Inland
Transport (smallerorangeone,13th fromthe top), followedbyothers.MiningandQuarrying is
alsothesectorwhichshowsthebiggestdeclineaftertheworldrecessionin2008.
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Figure3:Past (1995-2011)developmentsoftechnicalcoefficients (shareof inputs from35WIODindustriestothesector’stotaloutput)forthesector17–Electricity,GasandWatersupplysectoratthegloballevel.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
Agriculture,Hunting,ForestryandFishing
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Table2:SummarystatisticsforthetechnologicalcoefficientsofSector17
No Label Mean SD Median Min Max a1 agr 0.001 0.002 0.000 0.000 0.019 a2 min 0.133 0.092 0.114 0.000 0.604 a3 foo 0.001 0.002 0.001 0.000 0.021 a4 tex 0.001 0.001 0.000 0.000 0.011 a5 lth 0.000 0.000 0.000 0.000 0.002 a6 woo 0.002 0.004 0.000 0.000 0.024 a7 ppr 0.003 0.003 0.002 0.000 0.024 a8 ref 0.039 0.054 0.023 0.000 0.440 a9 chm 0.010 0.022 0.005 0.000 0.166 a10 pls 0.002 0.002 0.002 0.000 0.016 a11 nmm 0.002 0.002 0.001 0.000 0.014 a12 met 0.011 0.008 0.009 0.000 0.046 a13 mch 0.011 0.008 0.009 0.000 0.050 a14 ele 0.019 0.018 0.014 0.000 0.112 a15 teq 0.002 0.002 0.001 0.000 0.013 a16 mnf 0.002 0.005 0.001 0.000 0.041 a17 elg 0.153 0.119 0.122 0.001 0.617 a18 cns 0.022 0.020 0.016 0.000 0.105 a19 veh 0.005 0.007 0.004 0.000 0.044 a20 trd 0.029 0.020 0.022 0.002 0.105 a21 ret 0.014 0.012 0.010 0.000 0.073 a22 hnr 0.003 0.011 0.001 0.000 0.110 a23 itr 0.023 0.022 0.014 0.000 0.161 a24 wtr 0.001 0.002 0.000 0.000 0.018 a25 atr 0.001 0.001 0.000 0.000 0.008 a26 otr 0.003 0.003 0.002 0.000 0.016 a27 ict 0.007 0.006 0.006 0.000 0.040 a28 fin 0.020 0.011 0.017 0.002 0.062 a29 est 0.006 0.006 0.004 0.000 0.038 a30 rnt 0.034 0.025 0.028 0.000 0.139 a31 pub 0.004 0.008 0.002 0.000 0.066 a32 edu 0.001 0.001 0.001 0.000 0.008 a33 hlt 0.000 0.001 0.000 0.000 0.003 a34 soc 0.007 0.007 0.004 0.000 0.044 a35 prv 0.000 0.000 0.000 0.000 0.000
AscanbeseenfromthesummarystatisticsinTable2above,thehighestmeaninputcoefficientis
the input from the sector itself, immediately followed by the input frommining and quarrying
(Sector 2). The link to sector 2 is the key link to provide the fossil energy carriers to generate
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electricity.Noother linkhasacomparablemagnitude.Thereexistsmaller linkstothesectors8,
20,and30.
Figure4:Inputsharefromsector2(MiningandQuarrying)
Source:OwncalculationsbasedonWIODdatabase,2013release.
This histogram shows the fraction of countries with similar coefficient sizes for the input
coefficientfromminingandquarrying(Sector2)intoelectricity,gas,andwatersupply(Sector17)
incolumns.Thehighestshareofcountrieshasan inputcoefficientofapproximately0.1(xaxis),
whichimpliesacostshareof10%.Afewcountrieshavecostsharesthatexceed20%,whilesome
outliersevenhavecostsharesabove40%.
Coke,RefinedPetroleumandNuclearFuelFigure5belowprovidessimilardevelopmentsforsector8–Coke,RefinedPetroleumandNuclear
Fuel, aswas done above for sector 17. The following sectors (afterMining andQuarrying) that
contributemostsignificantlytothesector8(Coke,RefinedPetroleumandNuclearfuel)aresector
8 to itself (red component in Figure 5), followed by sector 23 – Inland Transport (thick orange
one). The refining sector (Sector 8) is, by far, most strongly linked to sector 2 – Mining and
Quarrying,ascanbeseeninFigure5.MiningandQuarryingisthebiggreensectorsecondfrom
thebottom.
0
.05
.1
.15
Frac
tion
0 .2 .4 .6input share from mining and quarrying (sector 2)
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Figure5:Past (1995-2011)developmentsoftechnicalcoefficients (shareof inputs from35WIODindustriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuelatthegloballevel.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
Agriculture,Hunting,ForestryandFishing
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Table3:SummarystatisticsforthetechnologicalcoefficientsofSector8
No Label Mean SD Median Min Max a1 agr 0.002 0.008 0.000 0.000 0.066 a2 min 0.438 0.191 0.452 0.001 0.834 a3 foo 0.002 0.002 0.001 0.000 0.022 a4 tex 0.001 0.002 0.000 0.000 0.016 a5 lth 0.000 0.000 0.000 0.000 0.001 a6 woo 0.004 0.022 0.000 0.000 0.270 a7 ppr 0.003 0.004 0.001 0.000 0.031 a8 ref 0.064 0.076 0.044 0.000 0.642 a9 chm 0.031 0.054 0.017 0.000 0.376 a10 pls 0.004 0.008 0.002 0.000 0.057 a11 nmm 0.002 0.004 0.001 0.000 0.034 a12 met 0.008 0.010 0.005 0.000 0.075 a13 mch 0.006 0.006 0.004 0.000 0.045 a14 ele 0.003 0.003 0.002 0.000 0.030 a15 teq 0.001 0.002 0.001 0.000 0.025 a16 mnf 0.001 0.003 0.001 0.000 0.026 a17 elg 0.025 0.028 0.016 0.000 0.215 a18 cns 0.005 0.008 0.002 0.000 0.056 a19 veh 0.006 0.007 0.004 0.000 0.050
a20 trd 0.068 0.044 0.060 0.000 0.216 a21 ret 0.022 0.023 0.016 0.000 0.154 a22 hnr 0.002 0.002 0.001 0.000 0.028 a23 itr 0.062 0.052 0.052 0.000 0.300 a24 wtr 0.003 0.005 0.001 0.000 0.042 a25 atr 0.001 0.001 0.000 0.000 0.009 a26 otr 0.007 0.009 0.004 0.000 0.097 a27 ict 0.003 0.003 0.002 0.000 0.019 a28 fin 0.012 0.011 0.010 0.000 0.072 a29 est 0.004 0.007 0.001 0.000 0.048 a30 rnt 0.022 0.023 0.015 0.000 0.125 a31 pub 0.002 0.008 0.001 0.000 0.101 a32 edu 0.001 0.001 0.000 0.000 0.009 a33 hlt 0.000 0.000 0.000 0.000 0.003
a34 soc 0.003 0.003 0.002 0.000 0.017 a35 prv 0.000 0.000 0.000 0.000 0.000
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The link fromtheMiningandQuarrying sector (sector2)exceeds the linkof the refining sector
(sector8)toitselfbyafactorof8to10,ascanbeseeninFigure5andinTable3.Thefollowing
histogramshowsthedistributionofthestrengthofthiskeylinkbetweencountries:
Figure6:Inputsharefromsector8(Coke,RefinedPetroleumandNuclearFuel)
Source:OwncalculationsbasedonWIODdatabase,2013release.
Thehighest fractionof countrieshas a technological coefficientof 0.6 toMining andQuarrying
(Sector 2), withmost of the countries between 0.35 and 0.7. But there is also a fraction with
relativelylowinputsharesof0.2andinsomecaseseven0.Notethatthemeanandmedianvalues
forthislinkwouldthereforebemisleading.
0
.02
.04
.06
.08
Frac
tion
0 .2 .4 .6 .8input share from mining and quarrying (sector 2)
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CountrylevelexamplesExamplesofmonetaryfluxespastdevelopmentsinthecaseoftwocountries(Austria,Czechia)are
providedinthissection.Webelievethatthetrendsexploredattheworldlevelcanbemuchbetter
understood from comparison at the country level, which provides a significantlymore detailed
lookinthesenseofdriversofthetechnicalcoefficients(i.e. it ismucheasiertotrackchangesin
thecoefficientsduetovariouspoliciesappliedinacountrythantrytotrackthesamechangesat
thegloballevel,thatcanbecausebyseveraleventsanddrivenbymanydifferenttrends–except
fortheverylargeonessuchastheglobaleconomiccrisisat2008).
Theanalysisare,again,providedfirst forsector17–Electricity,GasandWaterSupply (which is
alsothesectorthatweuseforthemodelingpurposesonthegloballevelfurtherbelow),andfor
sector8–Coke,RefinedPetroleumandNuclearFuel.
AustriaThesameexerciseaswedidattheworldlevelprovidesmuchmoredetailedinformationwhenwe
lookatthecountrylevel.InthecaseofAustria,thereareseveraltraceabletrendspresentinthe
developmentoftechnicalcoefficients inthe1995-2011period.Amongthemostsignificantones
there is an increaseofdeliveries from the sector itself, i.e. themonetary flows from the sector
Electricity,GasandWaterSupplytothesectorElectricity,GasandWaterSupply.Theseincreasing
transactionswithinthesectorcanbeduetodisaggregationofthesector–i.e.increasingnumber
of actors in the sector rather than few big ones. Another significant trend which is worth
mentioning is the development of inputs from theMining and Quarrying sector, which shows
(afterinitialincreasein1998-2000)adecreasesince2000.
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Figure7:Past (1995-2011)developmentsoftechnicalcoefficients (shareof inputs from35WIODindustriestothesector’stotaloutput)forthesector17–Electricity,GasandWatersupplysectorforAustria.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0,0000
0,1000
0,2000
0,3000
0,4000
0,5000
0,6000
0,7000
0,8000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersonsAUTc35OtherCommunity,SocialandPersonalServicesAUTc34HealthandSocialWorkAUTc33
EducationAUTc32
PublicAdminandDefence;CompulsorySocialSecurityAUTc31RentingofM&EqandOtherBusinessActivitiesAUTc30RealEstateActivitiesAUTc29
FinancialIntermediationAUTc28
PostandTelecommunicationsAUTc27
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAUTc26AirTransportAUTc25
WaterTransportAUTc24
InlandTransportAUTc23
HotelsandRestaurantsAUTc22
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsAUTc21WholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesAUTc20Sale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelAUTc19ConstructionAUTc18
Electricity,GasandWaterSupplyAUTc17
Manufacturing,Nec;RecyclingAUTc16
TransportEquipmentAUTc15
ElectricalandOpticalEquipmentAUTc14
Machinery,NecAUTc13
BasicMetalsandFabricatedMetalAUTc12
OtherNon-MetallicMineralAUTc11
RubberandPlasticsAUTc10
ChemicalsandChemicalProductsAUTc9
Coke,RefinedPetroleumandNuclearFuelAUTc8
Pulp,Paper,Paper,PrintingandPublishingAUTc7
WoodandProductsofWoodandCorkAUTc6
Leather,LeatherandFootwearAUTc5
TextilesandTextileProductsAUTc4
Food,BeveragesandTobaccoAUTc3
MiningandQuarryingAUTc2
Agriculture,Hunting,ForestryandFishingAUTc1
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Figure8:Past (1995-2011)developmentsoftechnicalcoefficients (shareof inputs from35WIODindustriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuelforAustria.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0,0000
0,1000
0,2000
0,3000
0,4000
0,5000
0,6000
0,7000
0,8000
0,9000
1,0000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersonsAUTc35OtherCommunity,SocialandPersonalServicesAUTc34HealthandSocialWorkAUTc33
EducationAUTc32
PublicAdminandDefence;CompulsorySocialSecurityAUTc31RentingofM&EqandOtherBusinessActivitiesAUTc30RealEstateActivitiesAUTc29
FinancialIntermediationAUTc28
PostandTelecommunicationsAUTc27
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAUTc26AirTransportAUTc25
WaterTransportAUTc24
InlandTransportAUTc23
HotelsandRestaurantsAUTc22
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsAUTc21WholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesAUTc20Sale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelAUTc19ConstructionAUTc18
Electricity,GasandWaterSupplyAUTc17
Manufacturing,Nec;RecyclingAUTc16
TransportEquipmentAUTc15
ElectricalandOpticalEquipmentAUTc14
Machinery,NecAUTc13
BasicMetalsandFabricatedMetalAUTc12
OtherNon-MetallicMineralAUTc11
RubberandPlasticsAUTc10
ChemicalsandChemicalProductsAUTc9
Coke,RefinedPetroleumandNuclearFuelAUTc8
Pulp,Paper,Paper,PrintingandPublishingAUTc7
WoodandProductsofWoodandCorkAUTc6
Leather,LeatherandFootwearAUTc5
TextilesandTextileProductsAUTc4
Food,BeveragesandTobaccoAUTc3
MiningandQuarryingAUTc2
Agriculture,Hunting,ForestryandFishingAUTc1
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CzechiaIn caseof theCzechRepublic, the trend is verydifferent than inAustria. For the first sight, the
deliveriesfromthesectoritself(largebluearea)decreaseratherthanincreaseasitwasincaseof
Austria.Again,thistrendmightbeexplainedbytheintegration(ratherthandisaggregation,asit
wasincaseofAustria)oftheElectricity,GasandWaterSupplysector.However,averyinteresting
trendisshownintheinputsfromtheMiningandQuarryingsector,whichisfluctuatingovertime,
andwhichshowsanoveralldecreasebytheendoftheperiod.ThistrendisverysimilartoAustria.
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Figure9:Past (1995-2011)developmentsoftechnicalcoefficients (shareof inputs from35WIODindustriestothesector’stotaloutput)forthesector17–Electricity,GasandWaterSupplyfortheCzechRepublic.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0,0000
0,1000
0,2000
0,3000
0,4000
0,5000
0,6000
0,7000
0,8000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersonsCZEc35OtherCommunity,SocialandPersonalServicesCZEc34HealthandSocialWorkCZEc33
EducationCZEc32
PublicAdminandDefence;CompulsorySocialSecurityCZEc31RentingofM&EqandOtherBusinessActivitiesCZEc30RealEstateActivitiesCZEc29
FinancialIntermediationCZEc28
PostandTelecommunicationsCZEc27
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesCZEc26AirTransportCZEc25
WaterTransportCZEc24
InlandTransportCZEc23
HotelsandRestaurantsCZEc22
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsCZEc21WholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesCZEc20Sale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelCZEc19ConstructionCZEc18
Electricity,GasandWaterSupplyCZEc17
Manufacturing,Nec;RecyclingCZEc16
TransportEquipmentCZEc15
ElectricalandOpticalEquipmentCZEc14
Machinery,NecCZEc13
BasicMetalsandFabricatedMetalCZEc12
OtherNon-MetallicMineralCZEc11
RubberandPlasticsCZEc10
ChemicalsandChemicalProductsCZEc9
Coke,RefinedPetroleumandNuclearFuelCZEc8
Pulp,Paper,Paper,PrintingandPublishingCZEc7
WoodandProductsofWoodandCorkCZEc6
Leather,LeatherandFootwearCZEc5
TextilesandTextileProductsCZEc4
Food,BeveragesandTobaccoCZEc3
MiningandQuarryingCZEc2
Agriculture,Hunting,ForestryandFishingCZEc1
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Figure10:Past(1995-2011)developmentsoftechnicalcoefficients((shareofinputsfrom35WIODindustriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuelfortheCzechRepublic.
Source:OwncalculationsbasedonWIODdatabase,2013release.
0,0000
0,1000
0,2000
0,3000
0,4000
0,5000
0,6000
0,7000
0,8000
0,9000
1,0000
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
PrivateHouseholdswithEmployedPersonsCZEc35OtherCommunity,SocialandPersonalServicesCZEc34HealthandSocialWorkCZEc33
EducationCZEc32
PublicAdminandDefence;CompulsorySocialSecurityCZEc31RentingofM&EqandOtherBusinessActivitiesCZEc30RealEstateActivitiesCZEc29
FinancialIntermediationCZEc28
PostandTelecommunicationsCZEc27
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesCZEc26AirTransportCZEc25
WaterTransportCZEc24
InlandTransportCZEc23
HotelsandRestaurantsCZEc22
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsCZEc21WholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesCZEc20Sale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelCZEc19ConstructionCZEc18
Electricity,GasandWaterSupplyCZEc17
Manufacturing,Nec;RecyclingCZEc16
TransportEquipmentCZEc15
ElectricalandOpticalEquipmentCZEc14
Machinery,NecCZEc13
BasicMetalsandFabricatedMetalCZEc12
OtherNon-MetallicMineralCZEc11
RubberandPlasticsCZEc10
ChemicalsandChemicalProductsCZEc9
Coke,RefinedPetroleumandNuclearFuelCZEc8
Pulp,Paper,Paper,PrintingandPublishingCZEc7
WoodandProductsofWoodandCorkCZEc6
Leather,LeatherandFootwearCZEc5
TextilesandTextileProductsCZEc4
Food,BeveragesandTobaccoCZEc3
MiningandQuarryingCZEc2
Agriculture,Hunting,ForestryandFishingCZEc1
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FutureprojectionsofmonetaryfluxesTheanalysisfor2030and2050fortheglobalaggregatedlevelisprovidedfurtherbelow.Theyare
basedonthe“Inputcostshares”approachdescribedabove,modelledforwindandsolarenergy.
Costsharesofselectedrenewableenergysources
Methodologicalnote:CapitalcostsversusvariablecostsAsmentioned in themethodological part,wehave to dealwith thedifferencebetween capital
costsandvariablecosts.Thesharebetweencapitalcostsandvariablecostscanbeestimatedfrom
the life-span of an item producing the respective energy. In our case, we put 20 years for a
windmillaswellasforaPVpanel,whichmeanstheproportionofcapitalcoststovariablecosts
1/20.Practically,thismeansthat1/20oftotalcostsharesarethecapitalcosts,andthepending
19/20thevariablecosts).Moreover,weexcludeinterestratesfromourcalculations,andassume
justlabourinputsasvalueadded.
WindenergycostsharesThefollowingitemsare,accordingtoBlanco(2009)andanIRENA2012report(RenewablePower
GenerationCostsin2012:AnOverview,2012),partofthecapitalcostsofwindenergy:
• The turbine cost: Including rotor, blades, nacelle, tower and transformer (sector 2 –Mining andQuarrying, sector 12 – BasicMetals and FabricatedMetal and sector 14 –ElectricalandOpticalEquipment)
• Grid connection costs: This can include transformers and sub-stations, as well as the
connection to the localdistributionor transmissionnetwork (sector17–Electricity,GasandWaterSupplyandsector14ElectricalandOpticalEquipment)
• Civilworks: Includingconstructioncosts for sitepreparationandthe foundations for thetowers(sector18–Construction)
• Planning and project costs: These can represent a significant proportion of total costs(sector64–partofValueadded(labourinputs))
• Othercapitalcosts:Thesecanincludetheconstructionofroads,buildings,controlsystems
(sector 18 – Construction), development costs (sector 14 – Electrical and opticalequipment), landcosts (sector1–Agriculture),healthandsafetymeasures (sector33–
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Healthandsocialwork),taxes(sector99–taxes),licensesandpermits(sector31–Publicadministration),etc.Wesplitthisrestequallytothesectorsjustlisted.
Figure11:EstimatedcapitalcostdistributionofawindprojectinEurope.
Source:Blanco(2009)
Figure12:Estimateofcapitalcostbreakdownforanoffshorewindfarm.
Source:Blanco(2009)
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Variable costs of wind energy production include, according to Blanco (2009), the followingentries:
• Operation and maintenance, including provisions for repair and spare parts andmaintenanceoftheelectricinstallation(wedividethem50:50intosector2–MiningandQuarrying (repair and spare parts) and 64 – Value added (labour inputs) in theWIODstructure)
• Landandsub-stationrental(wedividethem50:50intosector1–Agricultureandsector17–Electricity,GasandWaterSupplyintheWIODstructure)
• Insuranceandtaxes(wedividethem50:50intosector28–FinancialIntermediationandsector99–taxesintheWIODstructure)
• Management and administration, including audits, management activities, forecasting
services and remote-control measures (sector 64 – Value added (labour inputs) in theWIODstructure)
Figure13:Variablecosts forGermanturbinesdistributed intodifferentcategoriesasanaverageoverthetime-period1997-2001.
Source:Blanco(2009)
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SolarphotovoltaicenergycostsharesThe capital costof aPV system is composedof thePVmodule cost and thebalanceof system
(BoS)cost.Thecostof thePVmodule–the interconnectedarrayofPVcells– isdeterminedby
raw material costs, notably silicon costs, cell processing/manufacturing and module assembly
costs. The BoS cost includes items such as the cost of the structural system (e.g. structural
installation, racks, sitepreparation andother attachments), theelectrical systemcosts (e.g. the
inverter,transformer,wiringandotherelectricalinstallationcosts)andthecostofthebatteryor
otherstoragesystem,ifany,inthecaseofoff-gridapplications.Forsolarenergy,theIRENA2012report(RenewablePowerGenerationCostsin2012:AnOverview,2012)countswiththefollowing
BoSandinstallationcapitalcosts:
• The inverter, which converts the direct current (DC) PV output into alternating current(AC);
• ThecomponentsrequiredformountingandrackingthePVsystem;
• Thecombinerboxandmiscellaneouselectricalcomponents;• Site preparation and installation (i.e. roof preparation for residential systems, or site
preparationforutility-scaleplants),labour,costsforinstallationandgridconnection;
• Batterystorageforoff-gridsystems;and• System design, management, installer overheads, permit fees, project development
costs,customeracquisitioncosts,andanyup-frontfinancingcosts.
Powelletal.(2012)provideadetailedanalysisofsolarenergyfromPVpanelscapitalcostshares
anditsexpecteddevelopmentsuntil2020–seethetablebelow.
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Table4:Datatableofcostanalysisresults(capitalcostsharesofsolarPVpanels)inUSdollars
Source:Powelletal.(2012)
Therefore,wehavedecidedtodividethecostshareslistedinthetableaboveaccordinglybetween
capitalcostsandvariablecosts.Thecapitalcoststhusincludethefollowingcounterpartsfromthe
tableabove:
• Siliconfeedstock,Metalpaste(sector2–Miningandquarrying)• Chemicals(sector9–ChemicalsandChemicalProducts)• Encapsulant,Ribbon,Packaging(sector10–RubberandPlastics)• Screens,Glass,Backsheet(sector11–OtherNon-MetallicMineral)• Wiresawing,Ingotcasting,Frame,JBandcable(sector12–BasicMetalsandFabricated
Metal)• Inputelectricity(sector17–Electricity,GasandWaterSupply)
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• Labour+Maintenance(sector64–Valueadded)
VariablecostsofsolarPVenergyweassumetohavesimilarentriesasthoseofwindenergy,i.e.:
• Operation and maintenance, including provisions for repair and spare parts andmaintenanceoftheelectricinstallation(wedividethem50:50intosector2–MiningandQuarrying(repairandspareparts)and64–Valueadded(labourinputs))
• Landandsub-stationrental(wedividethem50:50intosector1–Agricultureandsector17–Electricity,GasandWaterSupply)
• Insuranceandtaxes(wedividethem50:50intosector28–FinancialIntermediationandsector99–taxes)
• Management and administration, including audits, management activities, forecasting
servicesandremote-controlmeasures(sector64–Valueadded(labourinputs))
For concrete numbers distributing these PV panels variable costs, see Figure 11 from Blanco
(2009)aboveinthewindenergysection.
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ScenariosAccording to Lane et al. (2016), the installed capacity of renewables without biomass would
amounttoroughly9outof13TWin2050,basedonabusiness-as-usual(BAU)scenarioofenergy
sector growth that stays within the 2 degrees target. In 2030, renewables would contribute
roughly50%totheinstalledcapacity.
Figure14:Assumedinstalledcapacityofrenewables
Source:Laneetal.(2016)
Overview wires.wiley.com/wene
2011350
35,000
30,000
25,000
20,000
15,000
10,000
5,000
4
6
8
10
12
14
0
2
0
400
450
500
550
600
650
700(a)
(b)
(c)
2015 2020
Cha
nge
in d
eman
d (T
Wh/
year
)fo
r fo
ssil-
fired
ele
ctric
ity
2025 2030
Year of reference
Tot
al e
nerg
y de
man
d (E
J/ye
ar)
Inst
alle
d ca
paci
ty (
TW
)
2035 2040 2045 2050
2011 2015 2020 2025 2030 2035 2040 2045 2050
2011 2015 2020 2025 2030 2035 2040 2045 2050
Total BAU
Demand reduction
RenewablesBiomassNuclearNatural gas with CCSNatural gasCoal with CCSCoalOilTotal BAU (high renewables)Total BAUTotal GHG
Shift to renewables
Shift to biomass
Shift to nuclear
Install CCS
Total GHG
Electricity
Transport electrificationGHG scenario in 2050
Transport
Buildings/other
Industry
Non-energy
FIGURE 3 | The changing role for electricity, comparing forecasts for business-as-usual (BAU) energy system growth under a scenario thatachieves greenhouse gas (GHG) mitigation consistent with a 2 ∘C atmospheric temperature increase (ETP2014 study4). (a) Compares total energydemand, showing the portion of overall change attributed to the different sectors. The inset provides the demand profile for the GHG scenario in theyear 2050. (b) Provides a pathway to achieve the GHG mitigation scenario by reducing demand and shifting the generation from fossil fuels tofossil-free technologies. (c) Shows the evolution of the energy generation mix for the GHG mitigation scenario (coloured areas). Also shown is theincrease in capacity needed due to the removal of fossil fuels from the mix, e.g., the total installed capacity (in the year 2050) predicted for the GHGmitigation scenario is 0.7 TW higher than that for the ‘New Policies’ scenario (green dotted line), and 1.9 TW higher than that for the BAU scenario(black dotted line). Those increases represent an additional 17 or 49 GW/year (respectively) of infrastructure that must be constructed (on average)over the forecast period.
costs rise above those of alternative energysources. The current bout of coal plant closuresin the United States is an example of this, insti-gated by a sharp drop in natural gas prices.37
In other cases, concerns over local air qualitymight be the driver for closure of coal plants,such as those occurring in China.
The drivers of demand growth and ‘naturalretirement’ both create the need for construction ofnew infrastructure, regardless of the choice of energysource. Any additional burden introduced by the
transformation to a low-carbon supply mix wouldtherefore be the net difference between the rate ofinstalling that low-carbon supply infrastructure, andthe rate of installing the fossil fuel-based supplies thatwould have otherwise occurred. Quantifying these netdifferences would require a detailed, bottom–up inves-tigation into rate limiting factors for each technologyoption.
Given that the available energy supply alterna-tives share many basic components and subsystems,it may be that the ‘net’ differences involved are notthat great. For example, there are many commonalities
38 © 2015 John Wiley & Sons, Ltd. Volume 5, January/February 2016
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Giventhatwedonotknowthefutureevolutionoftheplant loadfactors,wedeveloptwobasic
compositionsforthefutureinput-outputstructurestoseetheeffectsoftwoscenarios:
• Inthefirstscenario,weassumeatransformationto100%renewableenergies,andassume
acompositionof50%windandashareof50%solarPV.
• Inthesecondscenario,weassumeatransformationto50%renewableenergies,andagain
assumea compositionof 50%wind and50% solar PV for this share.We keep the input
structurefortherestatthe2011level.
The latter scenario could approximate a 2030 MLT within MEDEAS, while the former could
approximatea2050OTscenario.
MethodAsmentioned above, the 2050 table is provided for 50%wind and 50% PV solar energy based
sector17(Electricity,GasandWatersupply).Thisisatablefor2050OTscenario.The2030tableis
provided with 50% conventional 2011 share and 25%wind and 25% PV. This is (roughly)MLT
scenariofor2030.
First,wedisaggregatedthesector17–Electricity,GasandWaterSupplyinto4parts:
• Electricity fromwind – capital costs (costs necessary to construct and install an energy
producingunit–awindmill)
• Electricity from wind – variable costs (costs necessary to run and maintain the energy
productionduringtheenergyproducingunit’s–windmill–life-span)
• ElectricityfromsolarPVpanels–capitalcosts(costsnecessarytoconstructandinstallan
energyproducingunit–aPVpanel)
• Electricity fromsolarPVpanels–variablecosts (costsnecessary torunandmaintainthe
energyproductionduringtheenergyproducingunit’s–PVpanel–life-span)
InputsfromvariousWIODsectorstothesefourpartsweredistributedaccordingtotheanalyses
byBlanco(2009)forwindenergy,andbyPowelletal.(2012)forenergyfromsolarPVpanels.The
distributionofeachinputisdiscussedabove.
As Blanco provides the input shares already in percentage points, we took these percentage
shares(addingupto100%=1intheAmatrixstructureoftheIOtablewithtechnicalcoefficients)
anddistributedthemaccordinglytothesectorswheretheseinputsshouldcomefrom.Itshould
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benotedthatthechoiceofsectorswasdonearbitrarilybytheauthorsandcan(andshould)be
adjustedoncemoreconcreteinformationontheinputsharesstructureisavailable.
IncaseofsolarenergyfromPVpanelsbasedontheanalysisbyPoweletal.(2012),wecalculated
thecostsharesaccordingly–dividingcostsofthecomponentsbythetotalcostsoftherespective
itemincaseofcapitalcosts.Incaseofvariablecosts,wehadtroubleswithfindingreliabledata,
andthereforewejustassumedthesamecostsharesasinthecaseofwindenergy.
Thedatawerethen inserted intothedisaggregatedAmatrixtabletothecellswhererespective
sectorscontributetotheoperationofthesector17,whichisintransitionfromtheconventional
one(2011statusquo)tothefullywind-andsolar-basedonein2050.
LimitationsHowever, the method described above has also a plenty of limitations, shortcomings and
simplifications. The results of our analysis can therefore suffer from some inconsistencies and
distortions.
Firstofall, it is far fromrealistic toassumethat therewillbeno technological changeand thus
that thecostshares found in thestudiesbyBlanco (2009)andPowell (2012)will stay thesame
overtheperio(until2050).
Second,thedistributionof inputsderivedfromthecostsharesstudieswouldhavetobedonein
collaborationwithexpertsonwindmills(windturbines,respectively)andsolarPVpanelsexperts,
toestimatetherightcostsharesstructure.Ourestimationsmightbethus flaweddueto lackof
experiencewiththedetailsconcerningtechnologicalconstructionandmaintenanceprocesses.
Third,aswedidnotfindenoughdataonvariablecostsharesforthePVpanels,wejusttook(for
themodellingneeds)thesamestructureasforthewindmills/windturbines.Althoughthishelped
ustofinalizetheanalysisofthefutureexpectedmonetaryfluxesbetweensectors,itmightatthe
sametimedistrorttheresultssignificantly(notethatthevariablecostscountfor19/20ofthetotal
costsforeveryoftheconsideredenergysources).
Lastbutnotleast,ourstudydonottakeintoaccountanybiophysicallimitsofland,mineralsetc.–
bothnecessary(aswillbeseenbelow)sourcesforsuccessfuloperationofalow-carboneconomy,
fullybasedonrenewableenergysources.
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2030situation:Optimaltransition(OT)scenarioFigure 15: 2011-2030 monetary fluxes projection for Optimal transition scenario – sector 17Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment
Source: Source:OwnelaborationbasedonWIODstructure (2013 release)anddata fromBlanco(2009)andPowell(2012)
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
1995 2000 2005 2010 2015 2020 2025 2030
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
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2030situation:Midleveltransition(MLT)scenarioFigure16:2011-2030monetary fluxesprojection forMiddle level transition scenario– sector17Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment
Source:OwnelaborationbasedonWIODstructure(2013release)anddatafromBlanco(2009)andPowell(2012)
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
1995
1997
1999
2001
2003
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
2025
2027
2029
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
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2050situation:Optimaltransition(OT)scenarioFigure 17: 2011-2050 monetary fluxes projection for Optimal transition scenario – sector 17Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment
Source:OwnelaborationbasedonWIODstructure(2013release)anddatafromBlanco(2009)andPowell(2012)
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
199520002005201020152020202520302035204020452050
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
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2050situation:Midleveltransition(MLT)scenarioFigure18:2011-2050monetary fluxesprojection forMiddle level transition scenario– sector17Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment
Source:OwnelaborationbasedonWIODstructure(2013release)anddatafromBlanco(2009)andPowell(2012)
0
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
1995
1998
2001
2004
2007
2010
2013
2016
2019
2022
2025
2028
2031
2034
2037
2040
2043
2046
2049
PrivateHouseholdswithEmployedPersons
OtherCommunity,SocialandPersonalServices
HealthandSocialWork
Education
PublicAdminandDefence;CompulsorySocialSecurityRentingofM&EqandOtherBusinessActivities
RealEstateActivities
FinancialIntermediation
PostandTelecommunications
OtherSupportingandAuxiliaryTransportActivities;ActivitiesofTravelAgenciesAirTransport
WaterTransport
InlandTransport
HotelsandRestaurants
RetailTrade,ExceptofMotorVehiclesandMotorcycles;RepairofHouseholdGoodsWholesaleTradeandCommissionTrade,ExceptofMotorVehiclesandMotorcyclesSale,MaintenanceandRepairofMotorVehiclesandMotorcycles;RetailSaleofFuelConstruction
Electricity,GasandWaterSupply
Manufacturing,Nec;Recycling
TransportEquipment
ElectricalandOpticalEquipment
Machinery,Nec
BasicMetalsandFabricatedMetal
OtherNon-MetallicMineral
RubberandPlastics
ChemicalsandChemicalProducts
Coke,RefinedPetroleumandNuclearFuel
Pulp,Paper,Paper,PrintingandPublishing
WoodandProductsofWoodandCork
Leather,LeatherandFootwear
TextilesandTextileProducts
Food,BeveragesandTobacco
MiningandQuarrying
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SummaryandconclusionsThisReport3.3bfocusedonanalysingmonetaryfluxesbetweensectorsforthetransitiontolow-
carbon economy until 2050. It also provides – for comparison – past trends at the global and
countrylevel.
Changingourenergysystemwill requireacompleteshift fromfossil fuelenergies to renewable
energies.Weanalysetheexpectedevolutionofthescenariosduringtheprocessoftransition,by
considering,amongothers,monetary fluxesbetweensectors and theirdevelopmentpathways.
Two different scenarios are considered in which the actions to reduce GHG emissions are
supposedtostartfrom2020(OT)or2030(MLT).Wederivethemonetaryfluxesbyusing input-
ouptutanalysis,basedontheWIODstructure.Theconstructued (monetary) input-output tables
fulfil the aim of a post-carbon economy in 2050, in order to stay within the 2°C increase of
temperature.As theWIOD IO tablesdonothaveadisaggregatedelectricity sectoraccording to
different sources of energy, we need to insert new sectors into the input-output structure, in
order to track the gradual changes in theenergymix. The rationale is that the shareof energy
producedfromfossilfuelsneedstodecrease,andthisproductionneedstomovetotherenewable
energiessector(whichneedstoincrease).
Wedecided todisaggregate theelectricityproduction sector (called “Electricity,Gas andWater
Supply” in theWIOD structure) for solar andwindenergyononehand, and for the restof the
energysources(includingfossilfuels,coalbeingamongtheleadingones)ontheother.Wefocus
solelyonwindandsolarenergyproductionduetotheexpectedrequirementsforatransitiontoa
low-carboneconomy.The specialnatureofbiomass (which inmanycases rather contributes to
CO2emissions thaneliminating them) ledus to skip this renewableenergy source.Problematic
aspects of hydropower energy, especially of big damsprojects, ledus to exclude this sourceof
energy,too.Solar(fromphotovoltaicpanels)andwindenergyarealsoamongthemostpromising
energysourcesforthefuture,asshownbytheIPCCreport.
Inthefirstpartofthisreport,wedescribedsomebasicfeaturesofthemethodweapply–input-
output modelling – to provide explanations of the terms we use and of the basic relations
between considered aspects of the issue we deal with – monetary fluxes between industries
duringthetransitiontolow-carboneconomy.
Inthesecondpart,wedepictedthepastevolutionoftheglobalaggregateinput-outputstructure
for the sector “Electricity, Gas andWater Supply”, aswell as the past evolution in Austria and
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Czechia.Similarly,weshowthepasttrendsforsector“Coke,RefinedPetroleum,andNuclearFuel”
(Sector8).Wealsoshowedsummarystatisticsforthesetwosectorsacrossallcountriescoveredin
WIOD.
Thefollowingobservationscanbemadefromthesepasttrends:Theevolutionattheglobalscale
appearsfairlystableformostcoefficients,butthereareconsiderablechangesintheinputsfrom
miningandquarryingandinrelationsofthesectorto itself.Thesearealsothetwosectorswith
thehighestaverageinputshares.Thisisthecasebothforthemeanaswellasthemediancountry
inWIOD. In both cases, themedian is lower and the input distribution is skewed to the left. A
smallshareofcountrieshasconsiderablyhigherinputcostsfromthesetwosectors.
Forthetwocountrylevelexamples,similarchangescanbeobserved,butthefluctuationismore
pronounced, and, the relationof the sector to itself exhibitsopposing trends inboth countries.
While the inputof thesector to itself increasesconsiderably inAustria, it shrinksalmostby the
samemagnitudeinCzechia.However,theglobalhistoricaltrendisanincrease.
Withregardstothefuelssector,similarpasttrendscanbeobservedontheglobalscale.However,
with amean technological coefficient of 0.438, the input costs from themining and quarrying
sectorarefourtimeslargerthaninthecaseoftheelectricitysector.Inthiscase,theinputcosts
aresomewhatskewedtotheright.Unliketheelectricitysector,thissectorexhibitsasimilartrend
inAustriaandCzechia.
Basedoncostsharedatafrommultiplesources,wecalculatedinputcoefficientsfortheelectricity
sectorcomposedofwindandsolarPV.Thecalculationsarebasedonthe“Inputcostshares”,an
approach based on disaggregated Electricity, Gas and Water supply sector for wind and solar
energy, where wemodelled a 100% share of wind and solar energy (replacing the fossil fuels
basedelectricityproduction).The2050tablewasbasedon50%electricityfromwindsourcesand
50%fromPVsolarenergysources.The2030tablewasbasedon50%fromconventionalsources
(basedon2011data)andfrom25%windand25%PVsolarenergysources.
Surprisingly,theMLTandOTscenariosdonotdiffermuchonthefirstsight.Thismightbedueto
the growing significance of the sector “Agriculture, Forestry and Hunting sector”, which is
necessary toprovide the land forbothwindenergypowerplants and for solar energy fromPV
panels. This is also the most uncertain coefficient, because it depends on the predicted land
scarcity.Othertrendsincludedecreasingdemandfromthesector17toitself,whichmightimplya
growingEROIof therenewableenergysources.Ontheotherhand,unlikeexpected, there isno
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considerable decrease from the sector 2 (Mining and Quarrying), whichmight be alarming for
long-termsustainabilityofaneconomyfullybasedonRES.
DisclaimeronlimitationsNote that this is an explorative endeavour withmany simplified assumptions and it should be
treatedassuch.Forexample,theresultsdonotyetrespectanybiophysicallimitsofland,minerals
etc.Moreover,wedonotcountwithanychangeof technology,asmentioned in thebeginning.
Especially these twoaspects (andmanyothers)make this studymore a first step in a research
design that can be exploredmore deeply if necessary. For taking such aspects into account, a
much deeper and more exhaustive analysis would be needed, following e.g. the approach we
described in theMethodologysection–participatorymodellingapproachwith includisngexpert
andotherstakeholders’knowledgeontechnologicalchangeetc.
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ReferencesAugustinovics, M., 1970. Methods of international and intertemporal comparison of structure.
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Blanco,M.I.,2009.Theeconomicsofwindenergy.RenewableandSustainableEnergyReviews13,
1372-1382.
ClimateChange2014SynthesisReport:SummaryforPolicymakers,2014.UnitedNations.
Dietzenbacher,E.,Los,B.,Stehrer,R.,Timmer,M.,DeVries,G.,2013.Theconstructionofworld
input–outputtablesintheWIODproject.Econ.Syst.Res.25,71–98.
Duchin, F., Lange, G.-M., 1994. The Future of the environment: ecological economics and
technologicalchange.OxfordUniversityPress,NewYork.
Höltinger, S., Salak, B., Schauppenlehner, T., Scherhaufer, P., Schmidt, J., 2016. Austria’s wind
energy potential – A participatory modeling approach to assess socio-political and market
acceptance.EnergyPolicy98,49-61.
Lane,J.L.,Smart,S.,Schmeda-Lopez,D.,Hoegh-Guldberg,O.,Garnett,A.,Greig,C.,McFarland,E.,
2016.Understandingconstraintstothetransformationrateofglobalenergyinfrastructure.Wiley
InterdisciplinaryReviews:EnergyandEnvironment5,33-48.
Leontief, W., 1983. Technological advance, economic growth, and the distribution of income.
PopulationandDevelopmentReview,403-410.
Miller, R.E., Blair, P.D., c2009. Input-output analysis: foundations and extensions, 2nd ed. ed.
CambridgeUniversityPress,NewYork.
Pan,H.,Köhler,J.,2007.Technologicalchangeinenergysystems:Learningcurves,logisticcurves
andinput–outputcoefficients.EcologicalEconomics63,749-758.
Peneder,M., 2003. Industrial structure and aggregate growth. Structural Change and Economic
Dynamics14,427-448.
Pizer,W.A., Popp,D., 2008. Endogenizing technological change:Matchingempirical evidence to
modelingneeds.EnergyEconomics30,2754-2770.
Pg.MarítimdelaBarceloneta,[email protected]+34932309500F+34932309555
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RenewablePowerGenerationCostsin2012:AnOverview,2012..InternationalRenewableEnergy
Agency(IRENA),AbuDhabi.
Thi, N.B.D., Lin, C.Y., Kumar, G., 2016. Electricity generation comparison of food waste-based
bioenergywithwindandsolarpowers:Aminireview.SustainableEnvironmentResearch26,197-
202.
Pg.MarítimdelaBarceloneta,[email protected]+34932309500F+34932309555
ThisprojecthasreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementNo691287
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ListofTablesTable1:ListofWIODsectors...........................................................................................................39
Table2:SummarystatisticsforthetechnologicalcoefficientsofSector17....................................60
Table3:SummarystatisticsforthetechnologicalcoefficientsofSector8......................................63
Table4:Datatableofcostanalysisresults(capitalcostsharesofsolarPVpanels)inUSdollars...75
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ListofFiguresFigure 1: Historical development of global primary energy supply from renewable energy from
1971to2008....................................................................................................................................42
Figure2:Globalprimaryenergysupply(directequivalent)ofbioenergy,wind,directsolar,hydro,
and geothermal energy in 164 long-term scenarios in 2030and2050, and groupedbydifferent
categoriesofatmosphericCO2concentrationlevelthataredefinedconsistentlywiththoseinthe
AR4...................................................................................................................................................43
Figure3:Past(1995-2011)developmentsoftechnicalcoefficients(shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector17–Electricity,GasandWatersupplysector
atthegloballevel.............................................................................................................................59
Figure4:Inputsharefromsector2(MiningandQuarrying)...........................................................61
Figure5:Past(1995-2011)developmentsoftechnicalcoefficients(shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuel
atthegloballevel.............................................................................................................................62
Figure6:Inputsharefromsector8(Coke,RefinedPetroleumandNuclearFuel)..........................64
Figure7:Past(1995-2011)developmentsoftechnicalcoefficients(shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector17–Electricity,GasandWatersupplysector
forAustria........................................................................................................................................66
Figure8:Past(1995-2011)developmentsoftechnicalcoefficients(shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuel
forAustria........................................................................................................................................67
Figure9:Past(1995-2011)developmentsoftechnicalcoefficients(shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector17–Electricity,GasandWaterSupplyforthe
CzechRepublic.................................................................................................................................69
Figure10:Past(1995-2011)developmentsoftechnicalcoefficients((shareofinputsfrom35WIOD
industriestothesector’stotaloutput)forthesector8–Coke,RefinedPetroleumandNuclearFuel
fortheCzechRepublic.....................................................................................................................70
Figure11:EstimatedcapitalcostdistributionofawindprojectinEurope.....................................72
Figure12:Estimateofcapitalcostbreakdownforanoffshorewindfarm......................................72
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Figure13:Variablecosts forGermanturbinesdistributed intodifferentcategoriesasanaverage
overthetime-period1997-2001......................................................................................................73
Figure14:Assumedinstalledcapacityofrenewables......................................................................77
Figure 15: 2011-2030 monetary fluxes projection for Optimal transition scenario – sector 17
Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment...........................................80
Figure16:2011-2030monetaryfluxesprojectionforMiddle leveltransitionscenario–sector17
Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment...........................................81
Figure 17: 2011-2050 monetary fluxes projection for Optimal transition scenario – sector 17
Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment...........................................82
Figure18:2011-2050monetaryfluxesprojectionforMiddle leveltransitionscenario–sector17
Electricity,GasandWaterSupplytechnicalcoefficientsdevelopment...........................................83
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Appendix 1: 2030 MLT IO table (A matrix oftechnicalcoefficients)
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
351
0,1277E-04
0,273
0,067
0,072
0,14
0,022
0,001
0,011
0,0156E-042E-042E-041E-041E-04
0,014
0,064
0,0045E-04
0,003
0,003
0,046
0,0028E-044E-04
0,01
2E-042E-044E-04
0,002
0,002
0,004
0,002
0,0031E-05
20,005
0,179
0,006
0,007
0,005
0,01
0,011
0,496
0,07
0,009
0,131
0,115
0,008
0,003
0,003
0,011
0,19
0,0448E-04
0,001
0,002
0,005
0,013
0,011
0,01
0,006
0,0015E-04
0,002
0,002
0,007
0,004
0,004
0,0062E-05
30,0689E-04
0,157
0,005
0,096
0,003
0,004
0,001
0,014
0,004
0,003
0,002
0,002
0,002
0,001
0,003
0,001
0,002
0,002
0,006
0,005
0,167
0,002
0,007
0,006
0,002
0,0028E-044E-04
0,002
0,007
0,01
0,012
0,0092E-05
40,001
0,001
0,001
0,339
0,059
0,003
0,0074E-04
0,004
0,015
0,004
0,002
0,003
0,002
0,004
0,023
0,001
0,002
0,001
0,003
0,003
0,003
0,002
0,004
0,003
0,002
0,0015E-045E-04
0,002
0,004
0,001
0,004
0,0058E-05
52E-045E-051E-04
0,014
0,2296E-048E-043E-053E-04
0,0012E-041E-042E-045E-04
0,003
0,0067E-051E-043E-043E-042E-041E-042E-041E-042E-041E-042E-043E-051E-051E-041E-031E-042E-044E-043E-06
60,001
0,002
0,001
0,001
0,002
0,246
0,0122E-04
0,001
0,003
0,007
0,003
0,003
0,002
0,002
0,0697E-04
0,0237E-04
0,001
0,001
0,0021E-037E-044E-04
0,0025E-042E-04
0,0028E-04
0,002
0,003
0,002
0,0023E-05
70,002
0,002
0,019
0,009
0,012
0,012
0,219
0,001
0,013
0,014
0,018
0,004
0,006
0,009
0,004
0,017
0,002
0,003
0,006
0,012
0,01
0,007
0,005
0,004
0,005
0,01
0,012
0,01
0,002
0,019
0,015
0,016
0,008
0,0198E-05
80,02
0,011
0,005
0,007
0,005
0,008
0,008
0,067
0,062
0,014
0,025
0,018
0,006
0,004
0,004
0,007
0,033
0,019
0,01
0,011
0,008
0,007
0,09
0,105
0,151
0,041
0,008
0,002
0,002
0,009
0,015
0,005
0,005
0,0092E-05
90,041
0,009
0,009
0,063
0,036
0,041
0,041
0,015
0,248
0,237
0,041
0,014
0,012
0,026
0,013
0,03
0,005
0,013
0,006
0,004
0,002
0,005
0,004
0,007
0,005
0,005
0,0028E-04
0,002
0,006
0,009
0,005
0,063
0,0132E-04
100,004
0,005
0,016
0,009
0,034
0,006
0,016
0,002
0,018
0,156
0,011
0,006
0,022
0,031
0,035
0,034
0,003
0,014
0,013
0,005
0,005
0,004
0,011
0,003
0,005
0,005
0,0035E-04
0,001
0,003
0,002
0,001
0,004
0,0058E-05
110,001
0,003
0,004
0,001
0,001
0,005
0,001
0,001
0,005
0,004
0,108
0,008
0,004
0,011
0,006
0,006
0,006
0,084
0,003
0,0011E-03
0,003
0,0014E-048E-049E-041E-031E-04
0,0029E-04
0,001
0,002
0,002
0,0022E-05
120,004
0,02
0,01
0,005
0,009
0,021
0,01
0,005
0,015
0,025
0,038
0,338
0,193
0,105
0,11
0,092
0,008
0,107
0,016
0,004
0,003
0,004
0,007
0,005
0,005
0,008
0,0046E-04
0,003
0,005
0,004
0,002
0,002
0,0052E-04
130,006
0,014
0,003
0,008
0,006
0,009
0,007
0,004
0,008
0,011
0,017
0,019
0,144
0,02
0,04
0,015
0,008
0,016
0,017
0,003
0,002
0,002
0,005
0,01
0,007
0,006
0,0039E-04
0,001
0,003
0,005
0,002
0,005
0,0033E-04
140,001
0,007
0,002
0,004
0,003
0,004
0,007
0,002
0,008
0,008
0,008
0,01
0,07
0,316
0,047
0,024
0,03
0,028
0,019
0,008
0,006
0,004
0,006
0,003
0,005
0,007
0,043
0,002
0,002
0,02
0,011
0,01
0,014
0,0136E-04
150,003
0,004
0,001
0,002
0,002
0,003
0,0041E-03
0,002
0,005
0,005
0,006
0,015
0,005
0,294
0,007
0,004
0,004
0,065
0,006
0,004
0,002
0,034
0,037
0,054
0,01
0,005
0,0018E-04
0,005
0,013
0,003
0,001
0,0111E-04
166E-047E-048E-04
0,004
0,002
0,003
0,0047E-04
0,002
0,003
0,003
0,007
0,004
0,003
0,005
0,065
0,002
0,003
0,001
0,001
0,001
0,002
0,0047E-04
0,003
0,001
0,0018E-047E-04
0,002
0,003
0,003
0,003
0,004
0,002
170,011
0,034
0,014
0,019
0,008
0,02
0,025
0,016
0,033
0,024
0,049
0,033
0,016
0,011
0,01
0,012
0,15
0,009
0,012
0,01
0,015
0,023
0,018
0,004
0,01
0,014
0,013
0,005
0,007
0,007
0,014
0,02
0,013
0,0161E-04
180,004
0,007
0,002
0,003
0,001
0,003
0,004
0,002
0,003
0,003
0,006
0,003
0,003
0,002
0,002
0,003
0,01
0,056
0,006
0,005
0,006
0,007
0,011
0,002
0,006
0,013
0,013
0,006
0,034
0,006
0,021
0,012
0,01
0,01
7E-04
190,004
0,002
0,006
0,003
0,004
0,005
0,004
0,003
0,004
0,005
0,005
0,004
0,004
0,003
0,005
0,006
0,005
0,004
0,012
0,004
0,004
0,004
0,012
0,002
0,004
0,006
0,004
0,002
0,002
0,004
0,003
0,002
0,003
0,0041E-05
200,031
0,014
0,055
0,042
0,043
0,043
0,044
0,052
0,039
0,04
0,035
0,033
0,04
0,038
0,041
0,043
0,021
0,035
0,031
0,027
0,014
0,04
0,021
0,019
0,023
0,016
0,019
0,004
0,004
0,013
0,015
0,011
0,025
0,0171E-04
210,016
0,006
0,027
0,019
0,022
0,018
0,018
0,016
0,018
0,019
0,016
0,014
0,017
0,015
0,02
0,025
0,008
0,021
0,016
0,007
0,008
0,022
0,015
0,007
0,011
0,008
0,011
0,004
0,003
0,008
0,007
0,005
0,013
0,01
1E-04
220,002
0,004
0,004
0,004
0,004
0,004
0,0067E-04
0,004
0,005
0,006
0,004
0,005
0,005
0,003
0,004
0,003
0,006
0,005
0,01
0,006
0,01
0,008
0,004
0,023
0,026
0,01
0,012
0,003
0,014
0,014
0,012
0,009
0,0124E-05
230,014
0,018
0,024
0,018
0,016
0,022
0,02
0,042
0,02
0,018
0,032
0,016
0,014
0,01
0,013
0,02
0,017
0,022
0,017
0,028
0,016
0,009
0,047
0,009
0,011
0,059
0,013
0,006
0,002
0,007
0,011
0,009
0,007
0,01
3E-04
240,002
0,006
0,004
0,004
0,003
0,006
0,003
0,002
0,004
0,003
0,007
0,005
0,003
0,003
0,003
0,003
0,003
0,004
0,002
0,008
0,004
0,001
0,003
0,135
0,005
0,006
0,0026E-04
0,001
0,001
0,002
0,0017E-04
0,0018E-06
258E-04
0,001
0,001
0,001
0,002
0,002
0,0026E-04
0,002
0,001
0,0019E-04
0,002
0,002
0,001
0,0018E-04
0,001
0,002
0,004
0,002
0,001
0,003
0,005
0,036
0,012
0,006
0,0034E-04
0,004
0,004
0,004
0,001
0,0048E-06
260,003
0,004
0,006
0,003
0,003
0,006
0,009
0,006
0,004
0,005
0,007
0,004
0,004
0,003
0,004
0,004
0,003
0,016
0,012
0,023
0,015
0,006
0,032
0,11
0,091
0,092
0,006
0,0039E-04
0,005
0,004
0,003
0,003
0,0068E-06
270,004
0,004
0,004
0,004
0,005
0,004
0,009
0,002
0,005
0,004
0,004
0,005
0,005
0,006
0,003
0,007
0,005
0,01
0,012
0,016
0,016
0,01
0,011
0,02
0,017
0,016
0,091
0,021
0,003
0,017
0,017
0,009
0,01
0,0152E-04
280,015
0,015
0,014
0,018
0,013
0,015
0,021
0,008
0,016
0,014
0,022
0,016
0,017
0,017
0,016
0,029
0,042
0,017
0,021
0,035
0,035
0,022
0,043
0,022
0,029
0,032
0,024
0,182
0,069
0,032
0,022
0,015
0,021
0,039
0,001
290,003
0,005
0,004
0,006
0,008
0,005
0,009
0,002
0,004
0,006
0,004
0,004
0,005
0,005
0,005
0,008
0,004
0,009
0,025
0,025
0,045
0,026
0,009
0,01
0,01
0,019
0,019
0,022
0,03
0,02
0,014
0,018
0,032
0,0252E-07
300,015
0,025
0,038
0,023
0,019
0,021
0,067
0,013
0,058
0,034
0,03
0,024
0,042
0,046
0,046
0,036
0,028
0,043
0,065
0,085
0,072
0,045
0,041
0,025
0,069
0,065
0,08
0,099
0,031
0,15
0,08
0,035
0,061
0,075
0,003
310,002
0,003
0,0028E-047E-04
0,003
0,005
0,001
0,003
0,002
0,003
0,003
0,002
0,001
0,002
0,003
0,002
0,001
0,004
0,004
0,004
0,004
0,004
0,004
0,007
0,004
0,004
0,002
0,003
0,003
0,009
0,004
0,004
0,0073E-06
328E-047E-045E-044E-045E-045E-047E-044E-041E-036E-046E-045E-04
0,0018E-049E-045E-047E-048E-04
0,001
0,001
0,0018E-04
0,0014E-04
0,004
0,001
0,002
0,0024E-04
0,003
0,006
0,016
0,002
0,0022E-06
330,0019E-046E-046E-04
0,002
0,0018E-042E-048E-044E-04
0,0029E-04
0,002
0,0011E-036E-047E-044E-047E-045E-045E-048E-047E-045E-047E-045E-047E-046E-041E-048E-04
0,006
0,002
0,031
0,0013E-07
340,004
0,006
0,006
0,005
0,006
0,005
0,014
0,002
0,007
0,005
0,007
0,005
0,005
0,004
0,006
0,006
0,007
0,005
0,009
0,013
0,012
0,015
0,017
0,006
0,011
0,018
0,026
0,012
0,008
0,026
0,02
0,013
0,015
0,08
0,001
351E-052E-052E-051E-043E-053E-054E-051E-052E-053E-052E-051E-055E-052E-058E-052E-056E-064E-055E-053E-055E-056E-052E-046E-062E-052E-055E-056E-052E-047E-056E-053E-056E-051E-041E-04
600,417
0,414
0,723
0,72
0,735
0,698
0,635
0,766
0,707
0,715
0,658
0,729
0,68
0,713
0,755
0,637
0,603
0,628
0,413
0,375
0,333
0,508
0,486
0,582
0,628
0,523
0,43
0,407
0,222
0,403
0,369
0,262
0,39
0,444
0,011
610
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
620
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
630
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
640,573
0,581
0,261
0,265
0,248
0,291
0,351
0,195
0,271
0,269
0,328
0,255
0,303
0,271
0,22
0,339
0,384
0,358
0,567
0,617
0,658
0,479
0,491
0,404
0,337
0,464
0,558
0,586
0,773
0,587
0,622
0,732
0,601
0,544
0,988
650,002
0,002
0,003
0,003
0,003
0,004
0,003
0,015
0,006
0,005
0,004
0,008
0,007
0,009
0,01
0,008
0,005
0,003
0,0049E-049E-04
0,001
0,002
0,002
0,004
0,001
0,0022E-043E-049E-04
0,0027E-04
0,002
0,0012E-04
691
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
990,009
0,003
0,013
0,011
0,014
0,007
0,011
0,024
0,016
0,011
0,01
0,008
0,01
0,007
0,016
0,017
0,008
0,011
0,015
0,007
0,008
0,012
0,021
0,012
0,031
0,012
0,011
0,007
0,005
0,009
0,006
0,005
0,008
0,0113E-04
Pg.MarítimdelaBarceloneta,[email protected]+34932309500F+34932309555
ThisprojecthasreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementNo691287
93
Appendix 2: 2050 OT IO table (A matrix oftechnicalcoefficients)
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
351
0,1277E-04
0,273
0,067
0,072
0,14
0,022
0,001
0,011
0,0156E-042E-042E-041E-041E-04
0,014
0,129
0,0045E-04
0,003
0,003
0,046
0,0028E-044E-04
0,01
2E-042E-044E-04
0,002
0,002
0,004
0,002
0,0031E-05
20,005
0,179
0,006
0,007
0,005
0,01
0,011
0,496
0,07
0,009
0,131
0,115
0,008
0,003
0,003
0,011
0,192
0,0448E-04
0,001
0,002
0,005
0,013
0,011
0,01
0,006
0,0015E-04
0,002
0,002
0,007
0,004
0,004
0,0062E-05
30,0689E-04
0,157
0,005
0,096
0,003
0,004
0,001
0,014
0,004
0,003
0,002
0,002
0,002
0,001
0,003
0,001
0,002
0,002
0,006
0,005
0,167
0,002
0,007
0,006
0,002
0,0028E-044E-04
0,002
0,007
0,01
0,012
0,0092E-05
40,001
0,001
0,001
0,339
0,059
0,003
0,0074E-04
0,004
0,015
0,004
0,002
0,003
0,002
0,004
0,023
0,001
0,002
0,001
0,003
0,003
0,003
0,002
0,004
0,003
0,002
0,0015E-045E-04
0,002
0,004
0,001
0,004
0,0058E-05
52E-045E-051E-04
0,014
0,2296E-048E-043E-053E-04
0,0012E-041E-042E-045E-04
0,003
0,0067E-051E-043E-043E-042E-041E-042E-041E-042E-041E-042E-043E-051E-051E-041E-031E-042E-044E-043E-06
60,001
0,002
0,001
0,001
0,002
0,246
0,0122E-04
0,001
0,003
0,007
0,003
0,003
0,002
0,002
0,0697E-04
0,0237E-04
0,001
0,001
0,0021E-037E-044E-04
0,0025E-042E-04
0,0028E-04
0,002
0,003
0,002
0,0023E-05
70,002
0,002
0,019
0,009
0,012
0,012
0,219
0,001
0,013
0,014
0,018
0,004
0,006
0,009
0,004
0,017
0,002
0,003
0,006
0,012
0,01
0,007
0,005
0,004
0,005
0,01
0,012
0,01
0,002
0,019
0,015
0,016
0,008
0,0198E-05
80,02
0,011
0,005
0,007
0,005
0,008
0,008
0,067
0,062
0,014
0,025
0,018
0,006
0,004
0,004
0,007
0,033
0,019
0,01
0,011
0,008
0,007
0,09
0,105
0,151
0,041
0,008
0,002
0,002
0,009
0,015
0,005
0,005
0,0092E-05
90,041
0,009
0,009
0,063
0,036
0,041
0,041
0,015
0,248
0,237
0,041
0,014
0,012
0,026
0,013
0,03
0,002
0,013
0,006
0,004
0,002
0,005
0,004
0,007
0,005
0,005
0,0028E-04
0,002
0,006
0,009
0,005
0,063
0,0132E-04
100,004
0,005
0,016
0,009
0,034
0,006
0,016
0,002
0,018
0,156
0,011
0,006
0,022
0,031
0,035
0,034
0,003
0,014
0,013
0,005
0,005
0,004
0,011
0,003
0,005
0,005
0,0035E-04
0,001
0,003
0,002
0,001
0,004
0,0058E-05
110,001
0,003
0,004
0,001
0,001
0,005
0,001
0,001
0,005
0,004
0,108
0,008
0,004
0,011
0,006
0,006
0,011
0,084
0,003
0,0011E-03
0,003
0,0014E-048E-049E-041E-031E-04
0,0029E-04
0,001
0,002
0,002
0,0022E-05
120,004
0,02
0,01
0,005
0,009
0,021
0,01
0,005
0,015
0,025
0,038
0,338
0,193
0,105
0,11
0,092
0,007
0,107
0,016
0,004
0,003
0,004
0,007
0,005
0,005
0,008
0,0046E-04
0,003
0,005
0,004
0,002
0,002
0,0052E-04
130,006
0,014
0,003
0,008
0,006
0,009
0,007
0,004
0,008
0,011
0,017
0,019
0,144
0,02
0,04
0,015
0,008
0,016
0,017
0,003
0,002
0,002
0,005
0,01
0,007
0,006
0,0039E-04
0,001
0,003
0,005
0,002
0,005
0,0033E-04
140,001
0,007
0,002
0,004
0,003
0,004
0,007
0,002
0,008
0,008
0,008
0,01
0,07
0,316
0,047
0,024
0,036
0,028
0,019
0,008
0,006
0,004
0,006
0,003
0,005
0,007
0,043
0,002
0,002
0,02
0,011
0,01
0,014
0,0136E-04
150,003
0,004
0,001
0,002
0,002
0,003
0,0041E-03
0,002
0,005
0,005
0,006
0,015
0,005
0,294
0,007
0,004
0,004
0,065
0,006
0,004
0,002
0,034
0,037
0,054
0,01
0,005
0,0018E-04
0,005
0,013
0,003
0,001
0,0111E-04
166E-047E-048E-04
0,004
0,002
0,003
0,0047E-04
0,002
0,003
0,003
0,007
0,004
0,003
0,005
0,065
0,002
0,003
0,001
0,001
0,001
0,002
0,0047E-04
0,003
0,001
0,0018E-047E-04
0,002
0,003
0,003
0,003
0,004
0,002
170,011
0,034
0,014
0,019
0,008
0,02
0,025
0,016
0,033
0,024
0,049
0,033
0,016
0,011
0,01
0,012
0,137
0,009
0,012
0,01
0,015
0,023
0,018
0,004
0,01
0,014
0,013
0,005
0,007
0,007
0,014
0,02
0,013
0,0161E-04
180,004
0,007
0,002
0,003
0,001
0,003
0,004
0,002
0,003
0,003
0,006
0,003
0,003
0,002
0,002
0,003
0,005
0,056
0,006
0,005
0,006
0,007
0,011
0,002
0,006
0,013
0,013
0,006
0,034
0,006
0,021
0,012
0,01
0,01
7E-04
190,004
0,002
0,006
0,003
0,004
0,005
0,004
0,003
0,004
0,005
0,005
0,004
0,004
0,003
0,005
0,006
0,005
0,004
0,012
0,004
0,004
0,004
0,012
0,002
0,004
0,006
0,004
0,002
0,002
0,004
0,003
0,002
0,003
0,0041E-05
200,031
0,014
0,055
0,042
0,043
0,043
0,044
0,052
0,039
0,04
0,035
0,033
0,04
0,038
0,041
0,043
0,021
0,035
0,031
0,027
0,014
0,04
0,021
0,019
0,023
0,016
0,019
0,004
0,004
0,013
0,015
0,011
0,025
0,0171E-04
210,016
0,006
0,027
0,019
0,022
0,018
0,018
0,016
0,018
0,019
0,016
0,014
0,017
0,015
0,02
0,025
0,008
0,021
0,016
0,007
0,008
0,022
0,015
0,007
0,011
0,008
0,011
0,004
0,003
0,008
0,007
0,005
0,013
0,01
1E-04
220,002
0,004
0,004
0,004
0,004
0,004
0,0067E-04
0,004
0,005
0,006
0,004
0,005
0,005
0,003
0,004
0,003
0,006
0,005
0,01
0,006
0,01
0,008
0,004
0,023
0,026
0,01
0,012
0,003
0,014
0,014
0,012
0,009
0,0124E-05
230,014
0,018
0,024
0,018
0,016
0,022
0,02
0,042
0,02
0,018
0,032
0,016
0,014
0,01
0,013
0,02
0,017
0,022
0,017
0,028
0,016
0,009
0,047
0,009
0,011
0,059
0,013
0,006
0,002
0,007
0,011
0,009
0,007
0,01
3E-04
240,002
0,006
0,004
0,004
0,003
0,006
0,003
0,002
0,004
0,003
0,007
0,005
0,003
0,003
0,003
0,003
0,003
0,004
0,002
0,008
0,004
0,001
0,003
0,135
0,005
0,006
0,0026E-04
0,001
0,001
0,002
0,0017E-04
0,0018E-06
258E-04
0,001
0,001
0,001
0,002
0,002
0,0026E-04
0,002
0,001
0,0019E-04
0,002
0,002
0,001
0,0018E-04
0,001
0,002
0,004
0,002
0,001
0,003
0,005
0,036
0,012
0,006
0,0034E-04
0,004
0,004
0,004
0,001
0,0048E-06
260,003
0,004
0,006
0,003
0,003
0,006
0,009
0,006
0,004
0,005
0,007
0,004
0,004
0,003
0,004
0,004
0,003
0,016
0,012
0,023
0,015
0,006
0,032
0,11
0,091
0,092
0,006
0,0039E-04
0,005
0,004
0,003
0,003
0,0068E-06
270,004
0,004
0,004
0,004
0,005
0,004
0,009
0,002
0,005
0,004
0,004
0,005
0,005
0,006
0,003
0,007
0,005
0,01
0,012
0,016
0,016
0,01
0,011
0,02
0,017
0,016
0,091
0,021
0,003
0,017
0,017
0,009
0,01
0,0152E-04
280,015
0,015
0,014
0,018
0,013
0,015
0,021
0,008
0,016
0,014
0,022
0,016
0,017
0,017
0,016
0,029
0,062
0,017
0,021
0,035
0,035
0,022
0,043
0,022
0,029
0,032
0,024
0,182
0,069
0,032
0,022
0,015
0,021
0,039
0,001
290,003
0,005
0,004
0,006
0,008
0,005
0,009
0,002
0,004
0,006
0,004
0,004
0,005
0,005
0,005
0,008
0,004
0,009
0,025
0,025
0,045
0,026
0,009
0,01
0,01
0,019
0,019
0,022
0,03
0,02
0,014
0,018
0,032
0,0252E-07
300,015
0,025
0,038
0,023
0,019
0,021
0,067
0,013
0,058
0,034
0,03
0,024
0,042
0,046
0,046
0,036
0,028
0,043
0,065
0,085
0,072
0,045
0,041
0,025
0,069
0,065
0,08
0,099
0,031
0,15
0,08
0,035
0,061
0,075
0,003
310,002
0,003
0,0028E-047E-04
0,003
0,005
0,001
0,003
0,002
0,003
0,003
0,002
0,001
0,002
0,0036E-04
0,001
0,004
0,004
0,004
0,004
0,004
0,004
0,007
0,004
0,004
0,002
0,003
0,003
0,009
0,004
0,004
0,0073E-06
328E-047E-045E-044E-045E-045E-047E-044E-041E-036E-046E-045E-04
0,0018E-049E-045E-047E-048E-04
0,001
0,001
0,0018E-04
0,0014E-04
0,004
0,001
0,002
0,0024E-04
0,003
0,006
0,016
0,002
0,0022E-06
330,0019E-046E-046E-04
0,002
0,0018E-042E-048E-044E-04
0,0029E-04
0,002
0,0011E-036E-046E-044E-047E-045E-045E-048E-047E-045E-047E-045E-047E-046E-041E-048E-04
0,006
0,002
0,031
0,0013E-07
340,004
0,006
0,006
0,005
0,006
0,005
0,014
0,002
0,007
0,005
0,007
0,005
0,005
0,004
0,006
0,006
0,007
0,005
0,009
0,013
0,012
0,015
0,017
0,006
0,011
0,018
0,026
0,012
0,008
0,026
0,02
0,013
0,015
0,08
0,001
351E-052E-052E-051E-043E-053E-054E-051E-052E-053E-052E-051E-055E-052E-058E-052E-056E-064E-055E-053E-055E-056E-052E-046E-062E-052E-055E-056E-052E-047E-056E-053E-056E-051E-041E-04
600,417
0,414
0,723
0,72
0,735
0,698
0,635
0,766
0,707
0,715
0,658
0,729
0,68
0,713
0,755
0,637
0,74
0,628
0,413
0,375
0,333
0,508
0,486
0,582
0,628
0,523
0,43
0,407
0,222
0,403
0,369
0,262
0,39
0,444
0,011
610
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
620
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
630
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
640,573
0,581
0,261
0,265
0,248
0,291
0,351
0,195
0,271
0,269
0,328
0,255
0,303
0,271
0,22
0,339
0,254
0,358
0,567
0,617
0,658
0,479
0,491
0,404
0,337
0,464
0,558
0,586
0,773
0,587
0,622
0,732
0,601
0,544
0,988
650,002
0,002
0,003
0,003
0,003
0,004
0,003
0,015
0,006
0,005
0,004
0,008
0,007
0,009
0,01
0,008
0,005
0,003
0,0049E-049E-04
0,001
0,002
0,002
0,004
0,001
0,0022E-043E-049E-04
0,0027E-04
0,002
0,0012E-04
691
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
990,009
0,003
0,013
0,011
0,014
0,007
0,011
0,024
0,016
0,011
0,01
0,008
0,01
0,007
0,016
0,0176E-04
0,011
0,015
0,007
0,008
0,012
0,021
0,012
0,031
0,012
0,011
0,007
0,005
0,009
0,006
0,005
0,008
0,0113E-04
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Part3-Task3.3.c:Variabilityoftheproposedscenariosandpathwaysduetophysicalconstraints.
IntroductionMEDEASprojectaimstohelppolicymakersandstakeholderstorankprioritiesinthepromotionofrenewableenergytechnologiesinordertoachieveasocialandeconomiclowcarbontransitioninEurope. To achieve this objective, one of the main tools being developed in the project is asimulation model that relates the main variables of the European energy system, includingsocioeconomicandenvironmentalvariablescloselinkedtoenergy.However,theEuropeanenergy,socialandenvironmentalsituationisstronglyconditionedbytheinternationalcontext.Therefore,prior to the Europeanmodel, it is necessary to develop a global model, which establishes theframeworkofenergy,socio-economicandenvironmentalvariablesinwhichEuropeislocated.Thismodelwillbetheresult linkedtothedeliverable4.1inJune2017.Theeconomic-energy-climatechangeassessmentmodelshavebeenwidelyusedinrecentyearswiththeaimofcontributingtointernationaldecision-makingtocurbclimatechange.Thesemodelssimulatedifferentscenarios.Scenariomethodology offers an approach to deal with the limited knowledge, uncertainty andcomplexityofnaturalandsocialsciencesandcanbeusedtogroupthevariationsofpoliciesintocoherentandmeaningfulscenarios.Eachscenariorepresentsanarchetypalandcoherentvisionofthe future -whichmaybe viewedpositively by somepeople andnegatively by others. This is astandardmethodologyinglobalenvironmentalassessmentstudiessuchastheIPCC’sAssessmentreports (IPCC, 2007a, 2007b, 2001; IPCC SRES, 2000; O’Neill et al., 2014), the UNEP’s GlobalEnvironmentalOutlook(UNEP,2012,2007,2004)ortheMillenniumEcosystemAssessment(MEA,2005).
WiththeaimofstandardizingthescenariostheIPPCpublishedanewsetofscenariosin2000foruseintheThirdAssessmentReport(SpecialReportonEmissionsScenariosSRES).ThesescenariosarecommonlynamedSRESscenarios,andtheyarebasedon“storylines”.Storylineisanarrativedescription of a scenario, highlighting themain scenario characteristics and dynamics, and therelationshipsbetweenkeydrivingforces.(IPCCSRES,2000).FollowingthissamespecialreportoftheIPCC,scenarioisasetofprojectionsofapotentialfuture,basedonaclearlogicandaquantifiedstoryline.
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Briefly, the four storylines combine two sets of divergent tendencies: one set varying betweenstrong economic values and strong environmental values, the other set between increasingglobalizationandincreasingregionalization.Thestorylinesaresummarizedasfollows(IPCCSRES,2000):
A1storylineandscenariofamily:afutureworldofveryrapideconomicgrowth,globalpopulationthatpeaksinmidcenturyanddeclinesthereafter,andrapidintroductionofnewandmoreefficienttechnologies.
A2storylineandscenariofamily:averyheterogeneousworldwithcontinuouslyincreasingglobalpopulationandregionallyorientedeconomicgrowththatismorefragmentedandslowerthaninotherstorylines.
B1storylineandscenariofamily:aconvergentworldwiththesameglobalpopulationasintheA1storylinebutwithrapidchangesineconomicstructurestowardaserviceandinformationeconomy,with reductions in material intensity, and the introduction of clean and resource efficienttechnologies.
B2storylineandscenariofamily:aworldinwhichtheemphasisisonlocalsolutionstoeconomic,social,andenvironmentalsustainability,withcontinuously increasingpopulation(lowerthanA2)andintermediateeconomicdevelopment.
IntheDeliverable3.3ofthisMEDEASproject,“Pathwaysforthetransition”,asetoffiveStorylinesofSharedSocioeconomicPathways(SSPscenarios)weredescribed.TheseSSPscenarioshavebeenwidelyanalyzed(KrieglerE.etal.,2016;PoppA.etal.,2016;BauerN.etal2016;SamirKCandWolfgangLutz,2014;VanVuurenetal.,2017;RiahiK.etal.,2016;CalvinK.etal,2016).Brieflythesescenariosweredescribedasfollows:
SSP1-Sustainability:Thisisaworldmakingrelativelygoodprogresstowardssustainability,withsustainedeffortstoachievedevelopmentgoals,whilereducingresource intensityandfossil fueldependency.Elementsthatcontributetothisarearapiddevelopmentoflow-incomecountries,areductionofinequality(globallyandwithineconomies),rapidtechnologydevelopment,andahighlevelofawareness regardingenvironmentaldegradation.Rapideconomicgrowth in low-incomecountriesreducesthenumberofpeoplebelowthepovertyline.Theworldischaracterizedbyanopen, globalized economy, with relatively rapid technological change directed towardenvironmentally friendly processes, including clean energy technologies and yield-enhancingtechnologiesforland.Consumptionisorientedtowardslowmaterialgrowthandenergyintensity,
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with a relatively low level of consumption of animal products. Investments in high levels ofeducationcoincidewithlowpopulationgrowth.Concurrently,governanceandinstitutionsfacilitateachievingdevelopmentgoalsandproblemsolving.TheMillenniumDevelopmentGoalsareachievedwithin the next decade or two, resulting in educated populations with access to safe water,improvedsanitation,andmedicalcare.Otherfactorsthatreducevulnerabilitytoclimateandotherglobalchangesinclude,forexample,thesuccessfulimplementationofstringentpoliciestocontrolairpollutantsandrapidshiftstowarduniversalaccesstocleanandmodernenergyinthedevelopingworld.
SSP2-MiddleoftheRoad(orDynamicsasUsual,orCurrentTrendsContinue,orContinuation,orMuddlingThrough): Inthisworld,trendstypicalofrecentdecadescontinue,withsomeprogresstowardsachievingdevelopmentgoals,reductionsinresourceandenergyintensityathistoricrates,and slowly decreasing fossil fuel dependency. Development of low-income countries proceedsunevenly,withsomecountriesmakingrelativelygoodprogresswhileothersareleftbehind.Mosteconomiesarepoliticallystablewithpartiallyfunctioningandgloballyconnectedmarkets.Alimitednumberofcomparativelyweakglobalinstitutionsexist.Per-capitaincomelevelsgrowatamediumpace on the global average, with slowly converging income levels between developing andindustrialized countries. Intra-regional income distributions improve slightly with increasingnationalincome,butdisparitiesremainhighinsomeregions.Educationalinvestmentsarenothighenoughtorapidlyslowpopulationgrowth,particularlyinlow-incomecountries.AchievementoftheMillenniumDevelopmentGoalsisdelayedbyseveraldecades,leavingpopulationswithoutaccesstosafewater,improvedsanitation,medicalcare.Similarly,thereisanonlyintermediatesuccessinaddressingairpollutionorimprovingenergyaccessforthepooraswellasotherfactorsthatreducevulnerabilitytoclimateandotherglobalchanges.
SSP3-Fragmentation(orFragmentedWorld):Theworldisseparatedintoregionscharacterizedbyextremepoverty,pocketsofmoderatewealthandabulkofcountriesthatstruggletomaintainlivingstandards fora stronglygrowingpopulation.Regionalblocksof countrieshave re-emergedwithlittlecoordinationbetweenthem.Thisisaworldfailingtoachieveglobaldevelopmentgoals,andwith little progress in reducing resource intensity, fossil fuel dependency, or addressing localenvironmentalconcernssuchasairpollution.Countriesfocusonachievingenergyandfoodsecuritygoalswithintheirownregion.Theworldhasde-globalized,andinternationaltrade,includingenergyresourceandagriculturalmarkets, isseverelyrestricted.Little internationalcooperationand lowinvestments in technology development and education slow down economic growth in high-,middle-, and low-income regions. Population growth in this scenario is high as a result of theeducation and economic trends. Growth in urban areas in low-income countries is often in
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unplanned settlements. Unmitigated emissions are relatively high, driven by high populationgrowth, use of local energy resources and slow technological change in the energy sector.Governanceand institutions showweaknessanda lackof cooperationand consensus;effectiveleadershipandcapacitiesforproblemsolvingarelacking.Investmentsinhumancapitalarelowandinequalityishigh.Aregionalizedworldleadstoreducedtradeflows,andinstitutionaldevelopmentisunfavorable,leavinglargenumbersofpeoplevulnerabletoclimatechangeandmanypartsoftheworldwithlowadaptivecapacity.Policiesareorientedtowardssecurity,includingbarrierstotrade.
SSP4-Inequality(orUnequalWorld,orDividedWorld):Thispathwayenvisionsahighlyunequalworldbothwithinandacrosscountries.Arelativelysmall,richglobaleliteisresponsibleformuchoftheemissions,whilealarger,poorergroupcontributeslittletoemissionsandisvulnerabletoimpactsofclimatechange,inindustrializedaswellasindevelopingcountries.Inthisworld,globalenergy corporations use investments in R&Das thehedging strategy against potential resourcescarcityorclimatepolicy,developing(andapplying)low-costalternativetechnologies.Mitigationchallenges are therefore lowdue to some combination of low reference emissions and/or highlatentcapacitytomitigate.
Governanceandglobalizationareeffectiveforandcontrolledbytheelite,butareineffectiveformostof thepopulation.Challengestoadaptationarehighduetorelatively low incomeand lowhumancapitalamongthepoorerpopulation,andineffectiveinstitutions.
SSP5 - Conventional Development (or Conventional Development First): This world stressesconventionaldevelopmentorientedtowardeconomicgrowthasthesolutiontosocialandeconomicproblemsthroughthepursuitofenlightenedself-interest.Thepreferenceforrapidconventionaldevelopmentleadstoanenergysystemdominatedbyfossilfuels,resultinginhighGHGemissionsandchallengestomitigation.Lowersocio-environmentalchallengestoadaptationresultfromtheattainmentofhumandevelopmentgoals,robusteconomicgrowth,highlyengineeredinfrastructurewithredundancytominimizedisruptionsfromextremeeventsandhighlymanagedecosystems.
Howeverthesecommonlyusedscenarioshavebeendevelopedmainlywithouttakingintoaccountsome considerations that incorporates the MEDEAS model. In this task the variability of theproposedscenariosandpathwayswillbeexploredtakingintoaccountsomephysicalconstraintsandsomefeedbackseffects.Thephysicalconstraintsthatthemodelincorporatesandaredescribedinthisreportarerelativetothemaximumenergythatcanbeobtainedfromnonrenewableandrenewable sources in the next years. These limits may be absolute (eg, fossil fuel or uraniumresources)orrelative(egmaximumannualextractioncapacity).Inaddition,themodelincorporatessomefeedbackbetweenfinalenergyavailabilityandtheeconomy,aswellastheeffectsofclimate
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change.Thesefeedbackscausedynamicsinthemodelthatarenotusuallydescribedintheopen-loop scenarios. The new situations that are simulated, taking as a starting point the generalscenariosdescribedabovewhenintroducingtheuncertaintyduetophysicallimitationsandtheirfeedbackisthatithasbeencalledadaptivescenarios.ThisreportpointstosomeofthemaincausesthatcanleadtovariabilityonthescenarioscommonlydescribedinliteratureandthoseusedintheearlyversionsoftheglobalmodelofMEDEAS.Sincethismodelhasnotyetbeenfinalizedthisreportonly points out some provisional results that should be reviewed and evaluated with the finalversionofthemodelasofJuly2017.
Thenextsectionofthisreport"Descriptionofscenarios"brieflyexplainsthescenariosinitiallyusedandtheirrelationshiptothestorylinesdescribedhereandwellknown.Thesection“Variabililityofthe scenariosdue to theEnergy-Economy feedback” isdevoted to theanalysisof theeffectsoffeedbackbetweenenergyandeconomyand thevariability it introduces into the scenarios. Thesection“AvailabilityofenergyresourcesinMEDEAS”describesthephysicalconstraintsduetotheavailabilityofrenewableandnon-renewableenergyresources.Thesection“ModellingofclimaticimpactsinMEDEAS”describesthemethodusedtofeedbacktheeffectofclimatechangeontheenergy system and its consequences on the variability of the scenarios. Finally the section“Preliminaryresults”describessomepreliminaryresultsoftheglobalMEDEASmodel.
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Descriptionofscenarios
QualitativenarrativesmodelledMEDEASmodelneedsassumptionsabouttheworldsocio-economicevolution(suchasexpected
economic growth, population evolution or technological progress) as external inputs. Running
modelscanbeacumbersometaskwhenthemodelshaveseveralparameters,assumptionsand
policiesthatcanbevariedatthesametime.Inordertoestablishthoseinputsinacoherentand
sensibleway,wehaveappliedthescenariomethodology.
Althougheachspecificanalysisdevelopsitsownsetofscenarios,vanVuurenetal.(2012)showed
thatthatthereisactuallyalimitedsetofscenariofamiliesthatformthebasisofmanyscenarios
used indifferent environmental assessments. In this section, a summaryof themost important
qualitativecharacteristicsofthedifferentscenariofamiliesidentifiedinGEAstudiesby(vanVuuren
etal.,2012)isprovided.ABusiness-as-Usual(BAU)scenarioisaddedasreferencethatassumesthat
historicaldynamicswillalsoguidethefuture).1
1Infact(vanVuurenetal.,2012)identified6scenariofamilies.Astheyargueintheirpaper,familyscenario1“Economicoptimism/conventionalmarketsscenarios”and2“Reformedmarketscenarios”areverysimilar.Thus,wedecidedtojointhemforthesakeofsimplicityandminimizethenumberofrepresentativescenarios.
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Scenario1-Economicoptimismwithsomemarketreforming:Strongfocusonthemechanismof
competitive,efficientmarket,freetradeandassociatedrapideconomicgrowth,butincludingsome
additional policy assumptions aimed at correcting some market failures with respect to social
development, poverty alleviation or the environment. The scenario typically assumes rapid
technology development and diffusion and convergence of income levels across the world.
Economicgrowthisassumedtocoincidewithlowpopulationgrowth(givenarapiddropinfertility
levels).Energyandmaterial scarce resourcesareupgraded to reservesor substitutedefficiently
through market signals (price rising). Eventually, everyone will benefit from globalization and
technologicaladvanceswillremedyecologicalproblems(e.g.‘EnvironmentalKuznetsCurve’).
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Scenario2-GlobalSustainableDevelopment:Strongorientationtowardsenvironmentalprotection
andreducinginequality,basedonsolutionsfoundthroughglobalcooperation,lifestylechangeand
technology(moreefficienttechnologies,dematerializationoftheeconomy,serviceandinformation
economy, etc.). Central elements are a high level of environmental and social consciousness
combinedwithacoherentglobalapproachtosustainabledevelopment.Withinthisscenariofamily,
itisassumedthatahighlevelofinternationalgovernmentalcoordinationisnecessaryandpossible
inordertodealwithinternationalproblemslikepovertyalleviation,climateprotectionandnature
conservation.Itentailsregulationofmarketsbutonaglobalscaleandbasedontheconvictionthat
theEarth’slimitsareinsightandthatthereforepro-activepoliciesarenecessary.
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Scenario3-Regionalcompetition/regionalmarkets:Scenariosinthisfamilyassumethatregions
willfocusmoreontheirself-reliance,nationalsovereigntyandregionalidentity,leadingtodiversity
butalsototensionsbetweenregionsand/orcultures.Countriesareconcernedwithsecurityand
protection, emphasizing primarily regional markets (protectionism, deglobalization) and paying
little attention to common goods. Due to the significant reduction in technological diffusion,
technologicalimprovementsprogressmoreslowly.
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Scenario 4- Regional Sustainable Development: this scenario is the “friendly” version of the
previousone,whereglobalizationtendstobedeconstructedandanimportantchangeintraditional
valuesandsocialnormshappensagainstsenselessconsumerismanddisrespectforlife.Citizensand
countriesmust each takeon the responsibilities they canbear, providingaidor setting a green
exampletotherestoftheworld,fromasenseofduty,outofconvictionorforethicalreasonsorto
solveprimarilytheirownproblems.Infact,althoughbarriersforproductsarere-built,barriersfor
information tend to be eliminated. The focus is on finding regional solutions for current
environmental and social problems, usually combining drastic lifestyle changes with
decentralizationofgovernance.
Table1providesaqualitativesummaryofeachscenario’sfeatures.
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Table1:Qualitativesummaryofthemainassumptionsanddriversofeachscenariofollowing(vanVuurenetal.,2012).
BAU 1 2 3 4
Equivalencewith(IPCC
SRES,2000)
- A1 B1 A2 B2
EquivalencewithSSPs
(O’Neilletal.,2014)
SSP2 SSP5 SSP1 SSP3 -
GDPgrowth Historictrends
(~+2%)
VeryHigh High Low Medium
(historic
trends)
Populationgrowth Medium Verylow Medium Medium Medium
NREenergyresource
availability
Medium High Medium Medium Medium
RESdeployment Mediumgrowth Medium
growth
Veryrapid Medium
growth
Veryrapid
Technologydevelopment Medium Rapid Slow Slow Rapid
Mainobjectives Notdefined Variousgoals Security Security Local
sustainability
Environmental
protection
Bothreactiveand
proactive
Mainly
reactive
Reactive Reactive Proactive
Trade Weak
globalization
Globalization Trade
barriers
Trade
barriers
Tradebarriers
NREavailability:weconsiderhighestimatesforconventionaloil,andbestguessestimatesfortherestofresourcesforthescenariosBAU,2,3and4.Forscenario1,weconsiderhighestimatesforunconventionaloilandtotalnaturalgas.
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Table2:Maximumdepletioncurvesconsideredforeachscenario.
Scenario NREavailability
Oil Gas Coal Uranium
BAU Conv oil: (Maggio and Cacciola,2012)High
Unconvoil:(Mohretal.,2015)BG
(Laherrère,2010)
(Mohr, 2012)High
(Zittel,2012)
1 Convoil:asBAU.
Unconvoil:(Mohretal.,2015)High
(Mohr, 2012)BG
AsBAU AsBAU
2 AsBAU AsBAU AsBAU AsBAU
3 AsBAU AsBAU AsBAU AsBAU
4 AsBAU AsBAU AsBAU AsBAU
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VariabililityofthescenariosduetotheEnergy-Economyfeedback
Energy-economy relationship in the IntegratedAssessmentModelsMEDEAS is a modular model (Figure 1) in which each module provides feedbacks to other,conditioningthemanddynamicallyadaptingthewholesystem.Theeconomymodule,togetherwiththeenergymodulegeneratesasanoutputtheenergyconsumption.Thisvariable,inturn,istakenasaninputbytheothermodules.Consideringthisinput,eachmodulegeneratesdifferentoutputswhich,directlyorindirectly,enterbackasinputsintheenergymodule.Theresultsobtainedforcestheenergymoduletoadapttothem,providingthefeedbackthatmakestheresultsofMEDEASdynamicallyadaptive.
Figure1:ModulesinMEDEASmodelandtheirfeedbacks.Ownelaboration.
TheEconomymodule is fueledbyaneconometricdemandfunctionwhichprovides“Trend finaldemand”.Itrepresentsthehouseholdfinaldemand,thelevelofinvestmentbytheprivatesectoranddepublic expenditureby sector. The Input-Output Tables (IOT) used come from theMulti-RegionalIOWIOD(Dietzenbacheretal.,2013;M.Timer,2012),astheyincludedataatgloballevel,for40countries(including27memberstatesoftheEuropeanUnionandaRestoftheWorldregion),andenvironmental satelliteaccounts.Themodeluses the InputOutputAnalysis (Leontief1986;MillerandBlair2009) tospreadthedirectand indirecteffectsofdemandchangeandobtaining
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thus, sectorial production. This production leads to an expected energy demand regarding thesectorialenergyintensities–which,inturn,endogenouslyevolve.Inparallel,theenergymodulehastoprovidethenetenergysupplyasanoutputtoconfrontwiththeexpectedenergydemand.
Netenergysupplyavailabilityiscalculatedbyenergyresourceacrosstime.Themodeldisaggregatesnon-renewable energy (NRE) (coal, conventional oil, unconventional oil, conventional gas,unconventionalgasanduranium)andrenewableenergy(RES)(solar,windonshore,windoffshore,hydroelectricity,geothermal,biomass&wasteandoceanic)resources.Theiravailabilitydependsonthebalancebetweentheirlimitsandtechnologicalchange.ForNRE,wetakeintoconsiderationflowlimitsandstocklimits,aswellasotherlimitssuchasenvironmental,economic,social,etc.ForRES, biophysical potential and economic constraints are considered (see section “Availability ofenergy resources inMEDEAS”). Once the net energy supply availability is obtained, themodelcomparesitwiththeexpectedenergydemand.Iftheformerishigherthanthelatter,thereisnoscarcitytofacebytheeconomy.But,ifnot,energyconsumptionwouldonlyreachthelevelallowedby the supply availability. This scarcity is distributed amongst the sectors according to theirrespectiveenergyintensitiesandothercriteria.Thisway,thereisafeedbackbetweenenergyandeconomythatforcesthelattertodynamicallyadapttothelimitsimposedbytheformer,givingamorerealisticapproach.
Most Integrated AssessmentModels (IAMs) –used by IPCC- use to rely on general equilibrium(Scrieciu,Rezai,andMechler2013).Theytendtoassumethatenergysupplyisnosubjecttolimitsor, in the best case, abundant enough for no taking it into account. Nevertheless, other IAMsincluding thoseusingdamage functions, consider climate change impactsover theGDPgrowth.MEDEASdoesnotusethisdamagefunction,mentionedinsection“AvailabilityofenergyresourcesinMEDEAS” as there isa lackof considerationofenergyand resources scarcitywhich leads tounderestimatingtherealeffectsonGDPgrowth.Instead,MEDEASmodelapproachaddressesthislackoffeedbackbetweeneconomyandenergywhichprovidesdynamicadaptivescenarios.Figure2showsaschematicdiagramoftheenergy-economyfeedbackwhich,inadditiontotheconditionsimposedbytheexogenousscenariosframework,endogenouslyadaptsitsresults.
Figure2:Energy-EconomyfeedbackinMEDEAS.Ownelaboration
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In the firstplace, theeconomymoduleprovides–bytheprocessesdescribedabove- theenergydemand (consumption) as an output. Received by the Energy module as an input, it is to beconfrontedwithenergysupplyavailability. Ifsupply ishighenoughtomeetenergydemand,theeconomymodulewouldkeepits‘regular’activitiesandprocesses.But,ifenergyscarcityappears,economicvariables–suchassectorialdemandandproduction-wouldhavetoadapttotheextentof these energy inputs. This approach allows us to achieve a better understanding and amorerealisticviewofhowthewholesystemdynamicallyevolves.Atthemoment,MEDEASproportionallyallocates energy consumption by source amongst sectorswhen a shortage appears. A shortagecoefficient is calculated considering that the scarcer source is theone thatmost conditions thesectorialproductionprocess.Thisshortagecoefficientequals1whenenergyconsumptionsatisfiesdemand,i.e.thereisnosupplyrestriction.Inthiscase–energydemandishigherthanenergysupply-energyconsumptionjustreachestheenergysupplyandtheshortagecoefficientis lowerthan1,reducing(eq.1)theproportionofenergydemandedwhichisactuallyconsumedbyeachsector.
!"#$,& = (ℎ*+,-./1*/22313/4, ∗ !"6$,& (1)!"6$ = ∑!"6$,& (2)
FEC=Finalenergyconsumption
FED=finalenergydemand
FES=finalenergysupply i:finalenergy;j:sector/households
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ExpectedresultsandmainMEDEAScontributionWithout a feedbackbetweenenergyandeconomy,energydemand shall growexogenouslynottakingintoconsiderationavailabilityofresources(HöökandTang2013;Wangetal.2017;Capellán-Pérezetal.2016).Theunderlyingassumptionhereisthatthisavailabilityofresourcesmatters,andthatthefunctioningoftherealeconomyisnotindependentfromit.Economicgeneralevolutionandsectorialinterdependenciesarenotthesameiftherearenoenergylimitsthanifthereexists.MEDEASpreliminaryresultsillustratethesedifferentperformanceoftheeconomyandthewholesystem.AsFigure3shows,theresultsaresignificantlydifferentwiththefeedbackandwhenweremoveit.Intheexample,weremainundertheconditionsofBusinessasUsual(BAU)scenario.Ascan be seen, the energy-economy feedback provides a result that is not often taken intoconsiderationinotherIAMs,astheytookGDPgrowthasexogenousandenergyresourcesasalwaysabundant. Thus, these models tend to look for an optimum energy mix regardless its supplyavailability–eventhoughtheyusuallytakeintoconsiderationefficiencygains.
In thisexample,whereas theGDPkeepsgrowing–in this case,withanexogenousgrowth rate-depletionofNREspushesdownitssupplyavailability.However,intheNoFeedback(NF)case,withunlimitedresources,bothGPDandtotaloilextractionareabletocontinuegrowing.Asdescribedabove, final energy supply limits energy consumption requirements from the economy. Oilextractionhasbeen selected to illustrate this example, as it is themost important source fromliquids,highlydemandedfortheeconomicprocesses.WhenweaddtheFeedback(F)condition–disabletheunlimitedresources-,thatis,thewayMEDEASisdesigned,GDPhastoadapttotheoilsupplyavailability.Bythesamereasons,thedownsizingofGDPgrowthimposeslesspressuretotheresourcesso,theoilextractionrateislowerthanitwouldbewithNF.
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Figure3:GDPandtotaloilextraction.PreliminaryresultsofglobalMEDEASmodel.Ownelaboration.
Thus,MEDEAScontributestoenhancetheunderstandingofthelinkbetweentheenergyavailabilityandtheeconomyNevertheless,energyrequirementsshallbemodifiedbytechnologicalprogresswithadecreaseinenergyintensitiesortheinputsrequiredbyeachsectorinitsproductionprocess–throughtheevolutionoftechnicalcoefficientsinIOTs.Regardlessthiscircumstances,economicvariablesinMEDEASevolvesubjecttobiophysicallimitsand,simultaneously,pressureonresourcesbytheeconomyisadaptedtothisevolution.Therefore,MEDEASoffersasystemicandholisticpointofvieworientedtoadoptbetterchoicesforsustainabilitytransitions.
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AvailabilityofenergyresourcesinMEDEAS
Availabilityofnon-renewableenergy(NRE)resourcesTheavailabilityofnon-renewableenergyresourcesinMEDEASdependsupontwoconstraints:
• Stock(availableresourceintheground),ie.energy,
• Flow(extractionrateofthisresource),ie.,energy/time.
Figure 4 illustrates the depletion over time of a non-renewable resource stock (cumulativeextraction,greydashedline)throughflows(depletioncurve,blacksolidline)intheabsenceofnon-geologicrestrictions.Themaximumflowrateisreachedmuchearlierthanthefulldepletionofthestock, athalf the timeassuming that theextraction rate followsa logistic curve (KerschnerandCapellán-Pérez,2017).
Figure4(KerschnerandCapellán-Pérez,2017):Simplifiedrepresentationofthedepletionofanon-renewableresourceintheabsenceofnon-geologicconstraints.Stocksandflowsofenergyrelativetotime.
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Theavailablestockofaresourceisusuallymeasuredintermsofultimatelyrecoverableresources(URR),orremainingRURR(RURR)ifreferencedtoagivenyear.TheRURRinagiventimetisdefinedasthedifferencebetweentheURRandcumulativeextractionintimet(seeeq.1):
tt extractioncumulativeURRRURR _-= eq.1
MEDEASconsidersthefollowingnon-renewableprimaryenergyresources:
• Conventionaloil:referstocrudeoilandNGLs.• Unconventionaloil:includesheavyandextra-heavyoil,naturalbitumen(oilsandandtar
sands)andoilshales.Biofuels,CTL,GTLandrefinerygainsaremodeledseparately.• Conventionalgas.• Unconventionalas:includesshalegas,tightgas,coal-bedmethane(CBM)andhydrates.• Coal:includesnthracite,bituminous,sub-bituminous,black,brownandlignitecoal.• Uranium.2
Inordertoestimatethefutureavailabilityoffossilfuels,wehavereviewedthestudiesprovidingdepletion curves for non-renewable energy resources taking into account both stocks and flowlimits.Thesestudiesprovidedepletioncurvesasafunctionoftimebasedondynamicallyestimatingthelikelyextractionrateofwellsandminesglobally(Aleklettetal.,2010;ASPO,2009;EWG,2013,2008,2007,2006;Hööketal.,2010;Laherrère,2010,2006,MaggioandCacciola,2012,2012;Mohr,2012;Mohretal.,2015;MohrandEvans,2011,2009,2009;PatzekandCroft,2010;Zittel,2012).Thesecurvesshouldnotbeinterpretedasprojectionsoftheextractionofagivenfuel,butinsteadrepresentcurvesofmaximumpossibleextractiongiventhegeologicalconstraints(ie.,assumingnodemandorinvestmentconstraints).
Thedepletion curvesofnon-renewableenergies reviewed in the literature representextractionlevels compatiblewith geological constraints as a functionof time. Thus, to be incorporated asinputsinthemodel,thesedepletioncurvesmustbetransformed,sincedemandisendogenouslymodelledforeachresource.Weassumethat,whilethemaximumextractionrate(asgivenbythedepletion curve) is not reached, the extraction of each resource matches the demand. Actualextractionwillthereforebetheminimumbetweenthedemandandthemaximumextractionrate
2Weassume that the technologies that claim they could increase the fisiblematerial by 50 to 100 times, like fastbreedersandtheso-calledfourthgenerationreactors,willnotbeavailableinthenextdecades(Cellier,2009).NuclearfusionisnotconsideredsincetheITERandDEMOprojectsestimatethatthefirstcommercialfusionpowerwouldnotbeavailablebefore2040.
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(seeFigure5a).Todothis,thedepletioncurveshavebeenconverted intomaximumproductioncurvesasafunctionofremainingresources.Inthesecurves,aslongastheremainingresourcesarelarge,extraction isonlyconstrainedbythemaximumextraction level.However,withcumulatedextraction,thereisalevelofremainingresourceswhenphysicallimitsstarttoappearandmaximumextractionratesaregraduallyreduced.Inthisway,themodelusesastockofresources(theRURR)anditstudieshowthisstockisexhausteddependingonproduction,whichisinturndeterminedbydemandandmaximumextraction(seeFigure5b).
Figure5(Mediavillaetal.,2013):Integrationofdepletioncurvesinthemodel.(a)SDmodel.(b)Acurveofmaximumextraction(solid)comparedwiththedemand(dashed).
MEDEAS allows selecting a diversity of depletion curves for each fuel (aswell as considering acustomizedoneorassumingtheunconstrainedextractionofthefuel).
Themaximumextractioncurvedoesnotallowcapturingtheflowconstraintswhenthepeakrateofafuelhasnotbeenreached.Forthisreason,unconventionaloil&gasextractionissubjecttoanadditionalconstraint that limits themaximumannualgrowthextractionratetoavoidunrealisticgrowthextractionrates.
Figure6ashowsthedepletioncurvesasafunctionoftimeandFigure6btheassociatedcurvesofmaximumextractionasafunctionoftheRURRasappliedinthisreport(whicharethesameasin(Capellán-Pérezetal.,2014)).
a b
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Figure 6 (Capellán-Pérez et al., 2014):Non-renewable primary energy resources availability: (a)depletioncurvesasafunctionoftimefromtheoriginalreference;(b)curvesofmaximumextractioninfunctionoftheRURRasimplementedinthemodel.They-axisrepresentsthemaximumachievableextraction rate (EJ/year) in function of the RURR (EJ). For each resource, the extreme left pointrepresentsitsURR.AsextractionincreasesandtheRURRfallbelowthepointwherethemaximumextractioncanbeachieved,theextractionisforcedtodeclinefollowingtheestimationsofthestudiesselected(panel(a)).TheRURRin2007foreachresourceisrepresentedbyarhombus.
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Availabilityofrenewableenergysources(RES)Renewable energy is usually considered as a huge abundant source of energy; therefore, thetechnological limits are assumed to be unreachable for decades, and the concern is on theeconomic, political or ecological constraints (de Castro et al., 2011; IPCC, 2011; Kerschner andO’Neill, 2016). However, the large scale deployment of renewable alternatives faces seriouschallengesinrelationtotheirintegrationintheelectricitymixduetotheirintermittency,seasonalityandunevenspatialdistributionrequiringstorage(Lenzen,2010;Smil,2008,p.362;Trainer,2007),theirlowerenergydensity(deCastroetal.,2011,2013b,2014;Smil,2008,pp.383–384),mosthavelowerEROIthanfossilresources(PrietoandHall,2013),theirdependenceonmineralsandmaterialsfortheconstructionofpowerplantsandrelated infrastructuresthatposesimilarproblemsthannon-renewableenergyresourcesdepletion(deCastroetal.,2013b;García-Olivaresetal.,2012),andtheirassociatedenvironmentalimpacts(AbbasiandAbbasi,2012;Danielsenetal.,2009;Keithetal.,2004;Milleretal.,2011),whichalltogethersignificantlyreducetheirsustainablepotential(Capellán-Pérezetal.,2014;deCastroetal.,2011,2013b,2014;Smil,2008;Trainer,2007).
Inthissectionwediscussthetechno-ecologicalpotentialofrenewableenergiesconsideredinthemodel.Specialattention isdevotedtothe landrequirementsofREStechnologiesgiventhatthetransitiontoRESwillintensifythecompetitionforlandglobally(e.g.(Capellán-Pérezetal.,2017a;Scheidel and Sorman, 2012)), in a contextwhere themain drivers of land-use are expected tocontinuetooperateinthenextdecades:populationgrowth,urbanizationtrendsandshifttomoreland-intensivediets(FAO,2009;Kastneretal.,2012;Smithetal.,2010).RESfrombioenergycanbeusedtoobtainheatandbiofuels(section0)andelectricity(section0).
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RESforheatandbiofuelsBiomassislimitedbyatotalterrestrialnetprimaryproductivityofroughly60TW(humansalreadyappropriate indirectly20-50% inanunsustainableway (Crameretal., 1999;Haberletal., 2013,2007;Imhoffetal.,2004;ImhoffandBounoua,2006;Smil,2008;Vitouseketal.,1986).Bioenergyprovidesapproximately10%ofglobalprimaryenergysupplyandisproducedfromasetofsources(dedicatedcrops, residuesandMunicipalSolidWaste (MSW),etc.) thatcanservedifferentuses(biofuels,heat,electricity,etc.).WefollowWBGU(2009)approachanddividebioenergyresourcesinto3categories:traditionalbiomass,dedicatedcropsandresidues:
Theapproachfollowed inMEDEAStoestimatethetechno-ecologicalpotentialofmarginal landsanddedicatedcropsistoexogenouslysetapotentiallandavailability(hectares)foreachone,andsubsequentlyderivetheenergypotentialtakingintoaccountthecorrespondingpowerdensity.Forthosetechnologiesthatcurrentlydonotexistatcommerciallevel,weassumethattheiroutputinthefirstyearswillfollowthehistoricdeploymentratesof2ndgenerationbiofuels(2000-2014).
Thenewlandthatwecouldconverttoagricultureisestimatedin200-500MHa(FAO,2009;Schadeand Pimentel, 2010), or 386MHa in a sustainable way, converting abandoned agricultural land(Campbelletal.,2008;Rockströmetal.,2009).Thismeansthatitmaybenotpossibletomeetthecurrenttrendsofdemandforfoodifthedegradedlandcontinuestogrow,asmorethan350MHawillbelostifpresenttrendscontinue(Foleyetal.,2005;Pimentel,2006).Thus,inviewofthecurrentsituation, and considering that currently almost15%of theworldpopulation isundernourished(FAO,2012),averylargesurfaceforbioenergy(orotherland-intensiveRESsuchassolar)atgloballevelisnotcompatiblewithsustainablefuturescenarios.
Two types of land availability for bioenergy are taken into consideration depending on thecompetitionwithotheruses:
• Marginallands:theydonotimplyacompetitionwithcurrentcrops.Themodelconsiderstheanalysisfrom(Fieldetal.,2008)whofindthat27EJofNPPcanbeextractedfrom386Mhaofmarginal lands avoiding the risk of threatening food security, damaging conservation areas, orincreasingdeforestation.TheyexpectthattheaverageNPPinbiomassenergyplantationsoverthenext50yearsisunlikelytoexceedtheNPPoftheecosystemstheyreplace.
• Landsubjecttocompetitionwithotheruses,whichistobedefinedexogenouslybyeachscenario.Weconsiderthatonlythededicatedcropswouldrequireadditionalland.Relatedtothegross power density of 2nd generation biofuels under land competition, we will consider asreferencetheworldaveragevaluegivenby(UNEP,2009)basedonrealdata(36Mhaoccupiedfor
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1,75 EJ in 2008) that estimates at 0,155W/m2. Assuming a similar energy density for currentproduction, almost 60MHa are nowadays used (BP, 2016).However, the real occupied surfacemightsubstantiallyhighergiventhatthemethodologyappliedbytheUNEPisconservative(see(deCastroetal.,2013a)),thisnumbermightinfactbecloserto100MHa.
Since current conventional bioenergy use for heat (18 EJ/yr harvestable NPP (REN21, 2016))surpassessustainablelevels(deCastroetal.,2013a;Foleyetal.,2005;GFN,2015;Pimentel,2006),weassumethatinthefuturebetterpracticescouldbeadoptedallowingtoincreasethesustainablepotentialto25EJ/yr(NPPharvestable).Aneventualreduceddependenceontraditionalbiomassinthenextdecadesmightalsoallowtousebioenergyresourcesinamoresustainableandefficientway.
There iscurrentlyacontroversialdebateaboutthepotentialofthevaluationofagriculturalandforestry residues, because of its threat to soil fertility preservation in the long run, biodiversityconservation and ecosystem services (Gomiero et al., 2010;Wilhelm et al., 2007).We take theestimationof(WBGU,2009)of25EJNPPtakingintoaccounteconomicrestrictionsandweassumethatmostofitwillbededicatedforheat(50%),andtheremainingforbiofuels(25%)andelectricity(25%).
TwootherRESforheatareconsideredinMEDEAS:solarthermalandgeothermalforheat.Forsolarthermalweconsiderthetechnicalspecificationsfrom(SHC,2016)andthesurfacethatmightbecoveredbysolarcollectorsfrom(Capellán-Pérezetal.,2017b).Duetothethermallosses,thispowerwillbeinstalledclosetotheconsumptionpoints,competinginmanycaseswithPVpanels,mainlyinrooftoplocations.Weassumethatthetechno-ecologicalpotentialestimatedby(deCastro,2012)forgeothermalforelectricity(0.6TWth)is5xtimeslargerforgeothermalforheatgiventhatlowtemperaturescanalsobeutilized(3TWth).
Thus,combiningthedatafromTable3andthegrosstechno-sustainablepotentialofthermalRESconsideredinMEDEASamountstoaround160EJ/yr.
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Table 3: Techno-sustainable potential of RES for heat and liquids in MEDEAS. Other potentialresources,suchas4thgenerationbiomass(algae),arenotconsideredduetothehighuncertaintiesofthetechnologyandthe long-termnatureof itseventualcommercialappearance(Jandaetal.,2012).NPP:NetPrimaryProduction.ThefollowingconversionfactorsfromNPP(harvestable)tofinal(gross)powerareassumed:80%forheat,20%forelectricityand15%forliquids.
Reference Potential UseinMEDEAS NPP
harvestableFinal(gross)
power EJ/yr EJ/yr
Conventionalbioenergy Ownestimation 25 20 Heat
- Marginal lands (nocompetitionwithcurrentuses)
(Fieldetal.,2008) 27 4.1 Biofuels
2ndgen. Dedicated crops (competitionwithcurrentuses)
(de Castro et al.,2013a)
33 4.9 Biofuels
3rd gen.(from2025)
Dedicatedcrops (WBGU,2009) +5.0c +0.7c BiofuelsAgriculture&Forestryresidues (WBGU,2009) 14 11.2 56%heat
4.75 0.95 19%electr.6.25 0.95 25%biofuels
Geothermalforheat (deCastro,2012) - 95 Heat
Solarforheat (Capellán-Pérezetal.,2017b,p.5)
- 22 Heat
TOTAL - 159.8 -
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RESforelectricityThemostpromisingelectricrenewableenergiesaresolarandwind(Smil,2010).However,recentassessmentsusingatop-downmethodologythattakesintoaccountrealpresentandforeseeablefuture efficiencies and surface occupation of technologies find that the potential of theirdeploymentisconstrainedbytechnicalandsustainablelimits(deCastroetal.,2013b,2011).Theevaluation of the global technological onshore wind power potential, acknowledging energyconservation,leadstoapotentialof30EJ/yr(deCastroetal.,2011).Inrelationtooffshorewind,inabackofenvelopeestimation,assumingapowerdensityofnetelectricitydelivered1We/m2andthat 1% of the continental ocean platformsmight be occupied by human infraestructures (thedensityofoccupationbyhumaninfrastructureinlandis1-2%andentireplatformslikeArticandAntarticarenotaccesibletohumanocuppation),aroughpotentialof0,25TWeisconsidered.Theestimationoftherealandfuturedensitypowerofsolarinfrastructures(4-10timeslowerthanmostpublishedstudies)leadstoapotentialofaround65-130EJ/yr(2-4TWe
3)(deCastroetal.,2013b)in60-120MHa.4
WealsoconsiderCSPtechnologywithstorage(moltensalts)withoutback-up.CSPplantsarealessuniversalsolutionthanPV,since(1)theyonlyusethedirectirradiance(PValsousesdiffuse),(2)theyrequirehigherlevelsofirradiancetobeeconomicallyoptimal(+50%),and(3)theyadaptlesswelltoterrainunevenness(Dengetal.,2015;Hernandezetal.,2015).5Thus,weassumealowerlandavailabilityof50MHawhichconsideringthatthistechnologyachievesasimilar landpowerdensity than solar PV (de Castro et al., 2013b)would represent a potential of around 1.7 TWeglobally.
Asdiscussedintheprecedentsection,weassumethatbioenergywillbemainlyusedforproducingheatandliquids.Forelectricityuses,wearbitrarlyassignapotentialforbioenergywaste(agrofuels,woodfuels,etc.)andMSWof2timesthecurrentproduction(~0.1TWe).From2025(thoughthiscanbeadjusteddependingonthescenario),additionalbiomassisavailablethroughthedeploymentofthe3rdgenerationbiomasstechnologies(seeTable3).Theadditionalpotentialwouldamountto
3“TWe”representspowerelectricproduction:8760TWh=1TWe,i.e.inoneyear1TWofcapacityfunctioningwitha100%capacityfactorproduces1TWe.4Thepotentialinurbanareasisgreatlylimitedbythecompetitionwiththesolarthermaltechnologiesandthefactthattheadaptationtotherooftopimplieslowerefficiencies.However,itisplannedtoincluderooftopPVinfutureversionsofMEDEAS.5Additionally,restrictionsonwateruseinthearidregionsthatoftenhavethemostappropriatesolarresourcesforCSPwouldreduceplantefficienciesduetotheimplementationofdry-coolingtechnologies.
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25%ofthetotalNPP(25EJ/yr)consideringanaverageefficiencyconversionof20%(deCastroetal.,2014),6i.e.1.25EJ/yr(0.04TWe).
Hydroelectricity is limitedbya totalgravitationalpowerof rainof25TW(Hermann,2006).Ourestimationoftechnologicalpotentialisaround1TWe;otherstudieshavefoundthattheeconomicpotential is 1-1.5 TWe, being the sustainable potential around 80% of this range (0.8-1.2 TWe)Euroelectric.GiventheconstraintsthatthevariabilityofRESforelectricityimposetothesystem,weassumeanavailablepotentialinMEDEASof1TWe.
Seawavesoncoastsandtidalresourcesarelimitedtoaphysicaldissipationof3TWandgeothermalrenewable resources are limited by a total Earth dissipation of 32 TW (Hermann, 2006).Acknowledgingtheirhighdispersionandroleintheenergeticandmaterialfluxesofecosystems,weestimatethataround1.35TWecouldbeattainedinasustainablewaybyrenewableenergiesotherthansolarandwind.
Following theseconsiderations, theglobal techno-ecologicalpotentialof renewableenergies forelectricity generation is estimatedat around7.5TWe/yrper year (~240EJ/yr, seeTable4). Thetechno-ecologicalpotentialofrenewableenergiesissofaracontroversialsubjectintheliterature,andtheestimationsconsideredinMEDEASareinthelowerrangeoftheliterature.
6 The MSW efficiency reported by the IEA is also in that range (22%): https://www.iea.org/publications/freepublications/publication/essentials3.pdf.
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Table 4: Data of electric renewables considered in MEDEAS.. “TWe” represents power electricproduction:TWh/8760.MSW:Municipalsolidwaste.
Techno-ecologicalpotentialREStechnology TWe
Hydro 1Windonshore 1Windoffshore 0.25(1%ofoceanplatforms)SolarPV 3.3(100MHa)CSP 1.65(50MHa)Biomasswaste&MSW 0.1Geothermal 0.2Oceanic 0.05TOTAL 7.55
Thesesustainablepotentialsrepresentmaximumlevels,howeverinternaldynamicsofthemodelmightpreventtheselevelstobereachedinthetimeframeofthesimulations.Constraintstakeintoaccountreasonabledynamicsofgrowth(unrealisticallyhighleveldeploymentsareprevented),timeforplanningandconstructingpowerplants,therelativelevelofEROIofeachtechnologyinrelationtotheotheravailabletechnologies,theshareofvariabletechnologiesinrelationtothetotal,etc.Additionally, the deployment of capacity follows a logistic behaviour to take into account theslowingdownofthegrowthdynamicswhenapproachingthelimits.Figure7showsanexampletoillustrate the behaviour of exponential growth constrainedby an exogenous limit (upper panel,annualvariationofelectricsolarproduction;lowerpanel,totalelectricitygenerationfromsolar).
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Figure7 :Totalelectricsolarproduction(TWe). Inthis figurewerepresentthedynamicsofsolardeploymentconsideringaveryrapidgrowthofsolar(+19%).Whilebeingfarfromthepotentiallimit,exponential growth drives the growth of new solar power. As the total solar power installedincreases, the depreciation of infrastructures becomes significant. Finally, just 15 years afterreachingthemaximuminstallationrate,95%ofthepotentialisachievedin2065.
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ModellingofclimaticimpactsinMEDEASThescaleofhumanactivitiesworldwidehasgrownsogreatthattheyareincreasinglyaffectingtheregularfunctioningofthebiosphereandcriticallythreateningitsequilibrium:duringthelastfewdecades,humanactionshavebecomethemaindriverofglobalenvironmentalchange.Thescaleofthe anthropogenic disruption of the biosphere can be illustrated by the current level of someindicators,suchastheglobalecologicalfootprint(assessedatover150%oftheglobalbiocapacityratio(GFN,2015))orthe9identifiedPlanetaryBoundaries(PBs)(Steffenetal.,2015).Amongthelatter,itisestimatedthattwo(geneticdiversityandbiogeochemicalflows)havealreadysurpassedtheir PBs and other two (climate change and land-use system change) have been identified ascurrentlylyingintheuncertaintyzone.Moreover,GlobalEnvironmentalAssessments(GEAs)andsimilar analyses conclude that, if current trends are not amended, next decades will see anintensificationofhumanalterationofthebiosphereandthesituationofthecontrolvariablesofthePBswillworsen(e.g.(IPCC,2014;Meadowsetal.,2004;MilleniumEcosystemAssessment,2005;Randers,2012)).Thus, ifnocorrectiveactionsare taken in thenext fewdecades, thedisruptivepotentialoffutureglobalenvironmentalchangewilllikelyescalatetolevelsthatwillpreventlargepartsofthebiospherefrombeinginhabitedbyhumans,thusthreateninghumansocietiesasweknowthemnowadays(Hansenetal.,2016b,2016a,2013;Lelieveldetal.,2015).
Policy-recommendations to propose sustainable alternatives to the current trends are usuallyderivedfromtheapplicationofenergy-economy-environmentmodels,orEnvironmentalIntegratedAssessment Models (IAMs). However, there is a large discrepancy between natural scientists’understandingofecologicalfeedbacksandtherepresentationsofenvironmentaldamage(ifany)found in IAMs (Cumminget al., 2005; Lenton andCiscar, 2013; Pollitt et al., 2010; Stern, 2013;Weitzman, 2012). To date, thesemodels do either not include any impact from environmentaldamages, or just a partial incorporation that translate into practically negligible impacts in thebaselinescenarios(i.e.scenarioswithoutadditionalpolicies)whichprojectincreasesofglobalGDPofseveraltimesthecurrentlevelby2100.WerecallthatGEAsfollowtheconventionaleconomicsapproach where GDP per capita growth and welfare are tightly connected. As a result of notconsideringthecostsofnon-action,recommendationsissuedfrommodelingexercisesusuallyleadtomisguidedpoliticaladvice(e.g.delayedaction,sustainablepoliciesreportedasrequiringnetcostsinsteadofbenefits)(Capellán-Pérez,2016).
Theseshortcomingshaveespeciallybeenpointedoutbysomeauthorsforclimatechange,whichisthemostresearchedPB.Inparticular,theusefulnessoftheapplieddamagefunctions,whichrelatetemperatureincreasewithGDPloss,hasbeenquestionedgiventheirunderestimationofimpacts
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in relation to the forecasts by physical scientists and the fact that they are not calibrated fortemperatureincreasessuchasthelikelyonestobereachedattheendofthiscenturyinbaselinescenarios(i.e.+3.7-4.8°Cabovetheaveragefor1850–1900foramedianclimateresponse).Infact,currentestimationsof impactsof climatechangeorenvironmentaldegradationarebaseduponmonetizeddamages thatomitmany key factors. Thesedeficiencieshave led toquestioning theusefulnessofcurrentIAMsandargueforanewgenerationofmodels(DietzandStern,2015;Giraudetal.,2016;Pindyck,2015,2013;Stern,2013).
However, representations of global environmental change threat to human societies in energy-economy-environmentmodels consistentwith thephysical science literaturehave todatebeenscarce. InMEDEAS,theappliedmethodologybuildsontheaforementionedcritics fromastrongsustainabilityapproach,andfollowsthesubsequentassumptions:
(1) FocusontheclimatechangePBasaproxyofglobalenvironmentaldegradationduetothecurrent development level of the MEDEAS framework. However, some consistency isassuredby the fact that recent findings suggest theexistenceofa two-levelhierarchy inbiosphere processes where climate change is one of the two identified core planetaryboundariesthroughwhichtheotherboundariesoperate(Steffenetal.,2015).
(2) Application of precautionary principle given the high uncertainties and risk of potentialdisruptive environmental/climate change in the next decades as proposed by (Pindyck,2015).
(3) “Energylossfunction”(ELF):a. Environmental/climatechangedamagesaffectnetenergyavailabilitytothesociety,
i.e.affectingthedriversofgrowthinsteadofthelevelofGDPoutput(DietzandStern,2015).
b. Quantitativefunctionwithassociateduncertainty.(4) UseofCO2econcentrationsandtotalradiativeforcingasdriversofclimatechangealteration
insteadoftemperatureincreasessince:a. Globalenvironmentalchangeisnotsolelydrivenbytemperatureincrease(e.g.ocean
acidification is drivenbyCO2 concentration increase); climate is definedbymanyfactorssuchashumidity,winds,solarradiation,etc.
b. Thus,thePBofclimatechangeisdefinedbythesetwovariables(350ppmand+1.0W/m2relativetopre-industriallevels)(Steffenetal.,2015),
c. The large uncertainty on equilibrium climate sensitivity do not affect the policy-makingprocess(focusontargetssuchasthecarbon-budget(IPCC,2014)).
(5) Nodiscountingofimpacts(inter-generationalequity).
Theimplementationofthedamagesfromenvironmental/climatechangesinMEDEASisperformedthrough the integration of an ELF that reduces the overall net energy delivered to the society,assumingthatwhenclimatechangereachesacertainthresholdnotcompatiblewithhumanityasit
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isnowadaysconfigured,theenergylosseswouldreach100%ofthetotalenergysupply.ThereducedavailabilityofenergytranslatesthenintoareducedGDPgrowthinrelationtotheexpectedtrend.
InthecurrentMEDEASversionwehave implementedanELFwitha logisticshapethatusesCO2concentrationsfromthecombustionoffossilfuelsandland-usechangeasclimatechangeindicator,assumesaverylowcontributionofdamagesnowadaysandtakes1,000ppmasthethresholdofclimatechangeincompatiblewithhumanity(seeeq.1andFigure8):
"89:: -; < = 1 − ?
@ABCCDEF
G ;eq.1
Figure8:EnergylossesasafunctionofCO2concentrationsduetoclimateimpactsimplementedinthecurrentversionofMEDEAS.
Theintegrationinthemodeloftheseenergylossesisperformedintwosteps:
1. Firstly,theseadditionallossesareaddedtothetotalfinalenergydemand(FED)fromeconomicsectorsandhouseholds(seesectionVariabililityofthescenariosduetotheEnergy-Economyfeedbackinthisreport).Itisassumedthattheseenergylosses(EL)sharethesameproportionasthetotalfinalenergymix.Thus,thefinalenergydemandbyfinalenergyfuelisincreasedasshownbyeq.2:
!"6(,)$∗ = (!"6(/1,*+((,)$ + !"6ℎ*K(/ℎ*LM((,)$) ∙ (1 + "O(,)) ;eq.2
0.0
0.2
0.4
0.6
0.8
1.0
300 400 500 600 700 800 900 1000
CO2 concentrations (ppm)
Energy losses due to climate impacts
E loss (600; 50)
a ; b
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2. Secondly,toaccountfortheimpactsanddamagescausedbyclimatechange,thefinalenergyconsumption(FEC,thusafteraccountingforpotentialenergyavailabilityconstraints),isreducedbytheenergylossesasshownineq.3:
!"#(,)$∗ = !"#(,)$ ∙ (1 − "O(,)) ;eq.3
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PreliminaryresultsAlthoughtheglobalmodelofMEDEASisnotfinalizedorvalidated,sometestswiththedevelopingversionhavebeencarriedouttoobtainsomepreliminaryresults.Thesepreliminaryresultsareonlyindicative.Thefinalresultswillbepresentedinthedeliverable4.1inJune2017.
The experiments have been performed using the scenarios described in the "Description ofscenarios"section.
Thefollowinggraphsshowthebehavioroftwoofthemodel'smaindrivers:GDPandpopulation.ItcanbeobservedthatGDP,althoughitbeginswiththegrowthlevelsdefinedinthescenarios,inthefollowing years begins its decrease, due to the availability of energy and the dynamics of thefeedbacks.
Figure9:GDPandPopulationbehavior.Ownelaboration.
GDP and Population
Population12 B
9 B
6 B
3 B
01995 2005 2015 2025 2035 2045
Time (Year)
peop
le
Population[SCEN1] : Adaptive scenariosPopulation[SCEN2] : Adaptive scenariosPopulation[SCEN3] : Adaptive scenariosPopulation[SCEN4] : Adaptive scenariosPopulation[BAU] : Adaptive scenarios
GDP70
52.5
35
17.5
01995 2005 2015 2025 2035 2045
Time (Year)
T$
GDP[SCEN1] : Adaptive scenariosGDP[SCEN2] : Adaptive scenariosGDP[SCEN3] : Adaptive scenariosGDP[SCEN4] : Adaptive scenariosGDP[BAU] : Adaptive scenarios
GDPpc8000
7000
6000
5000
40001995 2005 2015 2025 2035 2045
Time (Year)
$/pe
ople
GDPpc[SCEN1] : Adaptive scenariosGDPpc[SCEN2] : Adaptive scenariosGDPpc[SCEN3] : Adaptive scenariosGDPpc[SCEN4] : Adaptive scenariosGDPpc[BAU] : Adaptive scenarios
GDP and Population
Population12 B
9 B
6 B
3 B
01995 2005 2015 2025 2035 2045
Time (Year)
peop
le
Population[SCEN1] : Adaptive scenariosPopulation[SCEN2] : Adaptive scenariosPopulation[SCEN3] : Adaptive scenariosPopulation[SCEN4] : Adaptive scenariosPopulation[BAU] : Adaptive scenarios
GDP70
52.5
35
17.5
01995 2005 2015 2025 2035 2045
Time (Year)
T$
GDP[SCEN1] : Adaptive scenariosGDP[SCEN2] : Adaptive scenariosGDP[SCEN3] : Adaptive scenariosGDP[SCEN4] : Adaptive scenariosGDP[BAU] : Adaptive scenarios
GDPpc8000
7000
6000
5000
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Time (Year)$/
peop
leGDPpc[SCEN1] : Adaptive scenariosGDPpc[SCEN2] : Adaptive scenariosGDPpc[SCEN3] : Adaptive scenariosGDPpc[SCEN4] : Adaptive scenariosGDPpc[BAU] : Adaptive scenarios
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Figure10:GDPpercapitabehavior.Ownelaboration.
ThisbehaviorofGDPisverysimilartototalprimaryenergydemand.
Figure11:Totalprimaryenergydemandbehavior.Ownelaboration.
GDP and Population
Population12 B
9 B
6 B
3 B
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Time (Year)
peop
le
Population[SCEN1] : Adaptive scenariosPopulation[SCEN2] : Adaptive scenariosPopulation[SCEN3] : Adaptive scenariosPopulation[SCEN4] : Adaptive scenariosPopulation[BAU] : Adaptive scenarios
GDP70
52.5
35
17.5
01995 2005 2015 2025 2035 2045
Time (Year)
T$
GDP[SCEN1] : Adaptive scenariosGDP[SCEN2] : Adaptive scenariosGDP[SCEN3] : Adaptive scenariosGDP[SCEN4] : Adaptive scenariosGDP[BAU] : Adaptive scenarios
GDPpc8000
7000
6000
5000
40001995 2005 2015 2025 2035 2045
Time (Year)
$/pe
ople
GDPpc[SCEN1] : Adaptive scenariosGDPpc[SCEN2] : Adaptive scenariosGDPpc[SCEN3] : Adaptive scenariosGDPpc[SCEN4] : Adaptive scenariosGDPpc[BAU] : Adaptive scenarios
Total primary energy demand700
600
500
400
3001995 2005 2015 2025 2035 2045
Time (Year)
EJ/Y
ear
TPED by fuel[SCEN1] : Adaptive scenariosTPED by fuel[SCEN2] : Adaptive scenariosTPED by fuel[SCEN3] : Adaptive scenariosTPED by fuel[SCEN4] : Adaptive scenariosTPED by fuel[BAU] : Adaptive scenarios
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One of the key factors in this behavior is the availability of oil. In this sense it is important todifferentiatebetweenconventionalandnon-conventionaloil.Whilethelatterisexpectedtogrowstrongly,conventionaloilwillsoondecreaseproduction.
Figure12:Oilextraction.Ownelaboration
The following figure (Figure 13) shows the evolution of electric energy. The electrical energygeneratedfromrenewablesourceshasasignificantgrowthforallscenarios.Incontrasttheelectric
Oil
Conventional_oil_extraction200
100
01995 2010 2025 2040
Time (Year)
EJ
real extraction conv oil EJ[SCEN1] : Adaptive scenariosreal extraction conv oil EJ[SCEN2] : Adaptive scenariosreal extraction conv oil EJ[SCEN3] : Adaptive scenariosreal extraction conv oil EJ[SCEN4] : Adaptive scenariosreal extraction conv oil EJ[BAU] : Adaptive scenarios
Unconventional oil extraction70
35
01995 2010 2025 2040
Time (Year)
EJ
real extraction unconv oil EJ[SCEN1] : Adaptive scenariosreal extraction unconv oil EJ[SCEN2] : Adaptive scenariosreal extraction unconv oil EJ[SCEN3] : Adaptive scenariosreal extraction unconv oil EJ[SCEN4] : Adaptive scenariosreal extraction unconv oil EJ[BAU] : Adaptive scenarios
Total extraction oil200
150
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Time (Year)
EJ/Y
ear
total oil extraction EJ[SCEN1] : Adaptive scenariostotal oil extraction EJ[SCEN2] : Adaptive scenariostotal oil extraction EJ[SCEN3] : Adaptive scenariostotal oil extraction EJ[SCEN4] : Adaptive scenariostotal oil extraction EJ[BAU] : Adaptive scenarios
Oil
Conventional_oil_extraction200
100
01995 2010 2025 2040
Time (Year)
EJ
real extraction conv oil EJ[SCEN1] : Adaptive scenariosreal extraction conv oil EJ[SCEN2] : Adaptive scenariosreal extraction conv oil EJ[SCEN3] : Adaptive scenariosreal extraction conv oil EJ[SCEN4] : Adaptive scenariosreal extraction conv oil EJ[BAU] : Adaptive scenarios
Unconventional oil extraction70
35
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Time (Year)
EJ
real extraction unconv oil EJ[SCEN1] : Adaptive scenariosreal extraction unconv oil EJ[SCEN2] : Adaptive scenariosreal extraction unconv oil EJ[SCEN3] : Adaptive scenariosreal extraction unconv oil EJ[SCEN4] : Adaptive scenariosreal extraction unconv oil EJ[BAU] : Adaptive scenarios
Total extraction oil200
150
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Time (Year)
EJ/Y
ear
total oil extraction EJ[SCEN1] : Adaptive scenariostotal oil extraction EJ[SCEN2] : Adaptive scenariostotal oil extraction EJ[SCEN3] : Adaptive scenariostotal oil extraction EJ[SCEN4] : Adaptive scenariostotal oil extraction EJ[BAU] : Adaptive scenarios
Oil
Conventional_oil_extraction200
100
01995 2010 2025 2040
Time (Year)
EJ
real extraction conv oil EJ[SCEN1] : Adaptive scenariosreal extraction conv oil EJ[SCEN2] : Adaptive scenariosreal extraction conv oil EJ[SCEN3] : Adaptive scenariosreal extraction conv oil EJ[SCEN4] : Adaptive scenariosreal extraction conv oil EJ[BAU] : Adaptive scenarios
Unconventional oil extraction70
35
01995 2010 2025 2040
Time (Year)
EJ
real extraction unconv oil EJ[SCEN1] : Adaptive scenariosreal extraction unconv oil EJ[SCEN2] : Adaptive scenariosreal extraction unconv oil EJ[SCEN3] : Adaptive scenariosreal extraction unconv oil EJ[SCEN4] : Adaptive scenariosreal extraction unconv oil EJ[BAU] : Adaptive scenarios
Total extraction oil200
150
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Time (Year)
EJ/Y
ear
total oil extraction EJ[SCEN1] : Adaptive scenariostotal oil extraction EJ[SCEN2] : Adaptive scenariostotal oil extraction EJ[SCEN3] : Adaptive scenariostotal oil extraction EJ[SCEN4] : Adaptive scenariostotal oil extraction EJ[BAU] : Adaptive scenarios
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energy generatedby fossil fuels descends in all the scenarios andalsodescends inmostof thescenariosthenuclearenergy.
Figure13:Evolutionofelectricenergy.Ownelaboration.
Thegrowthofelectricenergywithrenewablesourcesisduetoanevengreaterincreaseofinstalledpowerintheserenewablesources.
Electricity sector
Electricity generation from nuclear3000
1500
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
FE nuclear Elec generation TWh[SCEN1] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN2] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN3] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN4] : Adaptive scenariosFE nuclear Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from fossil fuels20,000
10,000
01995 2005 2015 2025 2035 2045
Time (Year)TW
h/Y
ear
FE Elec generation from fossil fuels TWh[SCEN1] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN2] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN3] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN4] : Adaptive scenariosFE Elec generation from fossil fuels TWh[BAU] : Adaptive scenarios
Total electricity generation40,000
20,000
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
Total FE Elec generation TWh[SCEN1] : Adaptive scenariosTotal FE Elec generation TWh[SCEN2] : Adaptive scenariosTotal FE Elec generation TWh[SCEN3] : Adaptive scenariosTotal FE Elec generation TWh[SCEN4] : Adaptive scenariosTotal FE Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from RES30,000
15,000
01995 2005 2015 2025 2035 2045
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TWh
FE real tot generation RES elec TWh[SCEN1] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN2] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN3] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN4] : Adaptive scenariosFE real tot generation RES elec TWh[BAU] : Adaptive scenarios
Electricity sector
Electricity generation from nuclear3000
1500
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Time (Year)
TWh/
Yea
r
FE nuclear Elec generation TWh[SCEN1] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN2] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN3] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN4] : Adaptive scenariosFE nuclear Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from fossil fuels20,000
10,000
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TWh/
Yea
r
FE Elec generation from fossil fuels TWh[SCEN1] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN2] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN3] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN4] : Adaptive scenariosFE Elec generation from fossil fuels TWh[BAU] : Adaptive scenarios
Total electricity generation40,000
20,000
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
Total FE Elec generation TWh[SCEN1] : Adaptive scenariosTotal FE Elec generation TWh[SCEN2] : Adaptive scenariosTotal FE Elec generation TWh[SCEN3] : Adaptive scenariosTotal FE Elec generation TWh[SCEN4] : Adaptive scenariosTotal FE Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from RES30,000
15,000
01995 2005 2015 2025 2035 2045
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TWh
FE real tot generation RES elec TWh[SCEN1] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN2] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN3] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN4] : Adaptive scenariosFE real tot generation RES elec TWh[BAU] : Adaptive scenarios
Electricity sector
Electricity generation from nuclear3000
1500
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
FE nuclear Elec generation TWh[SCEN1] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN2] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN3] : Adaptive scenariosFE nuclear Elec generation TWh[SCEN4] : Adaptive scenariosFE nuclear Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from fossil fuels20,000
10,000
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
FE Elec generation from fossil fuels TWh[SCEN1] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN2] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN3] : Adaptive scenariosFE Elec generation from fossil fuels TWh[SCEN4] : Adaptive scenariosFE Elec generation from fossil fuels TWh[BAU] : Adaptive scenarios
Total electricity generation40,000
20,000
01995 2005 2015 2025 2035 2045
Time (Year)
TWh/
Yea
r
Total FE Elec generation TWh[SCEN1] : Adaptive scenariosTotal FE Elec generation TWh[SCEN2] : Adaptive scenariosTotal FE Elec generation TWh[SCEN3] : Adaptive scenariosTotal FE Elec generation TWh[SCEN4] : Adaptive scenariosTotal FE Elec generation TWh[BAU] : Adaptive scenarios
Electricity generation from RES30,000
15,000
01995 2005 2015 2025 2035 2045
Time (Year)
TWh
FE real tot generation RES elec TWh[SCEN1] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN2] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN3] : Adaptive scenariosFE real tot generation RES elec TWh[SCEN4] : Adaptive scenariosFE real tot generation RES elec TWh[BAU] : Adaptive scenarios
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Figure14:Installedpowerinrenewableresources.Ownelaboration.
RES installed capacity by source9
4.5
01995 2005 2015 2025 2035 2045
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TW
installed capacity RES elec TW[wind offshore,SCEN1] : Adaptive scenariosinstalled capacity RES elec TW[wind offshore,SCEN2] : Adaptive scenariosinstalled capacity RES elec TW[wind offshore,SCEN3] : Adaptive scenariosinstalled capacity RES elec TW[wind offshore,SCEN4] : Adaptive scenariosinstalled capacity RES elec TW[wind offshore,BAU] : Adaptive scenariosinstalled capacity RES elec TW[solar PV,SCEN1] : Adaptive scenariosinstalled capacity RES elec TW[solar PV,SCEN2] : Adaptive scenariosinstalled capacity RES elec TW[solar PV,SCEN3] : Adaptive scenariosinstalled capacity RES elec TW[solar PV,SCEN4] : Adaptive scenariosinstalled capacity RES elec TW[solar PV,BAU] : Adaptive scenarios
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Althoughitisimportanttonotethatonlypreliminaryresultsofthemodelunderdevelopmentandwithoutvalidationareavailable,theresultsonclimatechangearepessimistic.
Figure15:Resultsonclimatechange.Ownelaboration.
Emissions andClimate Change
Annual emissions130
97.5
65
32.5
01995 2005 2015 2025 2035 2045
Time (Year)
GtC
O2/
Yea
r
Total CO2 emissions GTCO2[SCEN1] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN2] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN3] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN4] : Adaptive scenariosTotal CO2 emissions GTCO2[BAU] : Adaptive scenarios
CO2 concentrations500
425
350
275
2001995 2005 2015 2025 2035 2045
Time (Year)
ppm
"CO2 ppm concentrations WoLiM 1.5"[SCEN1] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN2] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN3] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN4] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[BAU] : Adaptive scenariospre industrial value ppm : Adaptive scenarios
Total radiative forcing4
3
2
1
01995 2005 2015 2025 2035 2045
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wat
t/(m
eter
*met
er)
Total Radiative Forcing[SCEN1] : Adaptive scenariosTotal Radiative Forcing[SCEN2] : Adaptive scenariosTotal Radiative Forcing[SCEN3] : Adaptive scenariosTotal Radiative Forcing[SCEN4] : Adaptive scenariosTotal Radiative Forcing[BAU] : Adaptive scenarios
Temperature change3
2.25
1.5
.75
01995 2005 2015 2025 2035 2045
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Deg
rees
C
Temperature change[SCEN1] : Adaptive scenariosTemperature change[SCEN2] : Adaptive scenariosTemperature change[SCEN3] : Adaptive scenariosTemperature change[SCEN4] : Adaptive scenariosTemperature change[BAU] : Adaptive scenariosTemp change 2C : Adaptive scenarios
Emissions andClimate Change
Annual emissions130
97.5
65
32.5
01995 2005 2015 2025 2035 2045
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GtC
O2/
Yea
r
Total CO2 emissions GTCO2[SCEN1] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN2] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN3] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN4] : Adaptive scenariosTotal CO2 emissions GTCO2[BAU] : Adaptive scenarios
CO2 concentrations500
425
350
275
2001995 2005 2015 2025 2035 2045
Time (Year)
ppm
"CO2 ppm concentrations WoLiM 1.5"[SCEN1] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN2] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN3] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN4] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[BAU] : Adaptive scenariospre industrial value ppm : Adaptive scenarios
Total radiative forcing4
3
2
1
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wat
t/(m
eter
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er)
Total Radiative Forcing[SCEN1] : Adaptive scenariosTotal Radiative Forcing[SCEN2] : Adaptive scenariosTotal Radiative Forcing[SCEN3] : Adaptive scenariosTotal Radiative Forcing[SCEN4] : Adaptive scenariosTotal Radiative Forcing[BAU] : Adaptive scenarios
Temperature change3
2.25
1.5
.75
01995 2005 2015 2025 2035 2045
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Deg
rees
C
Temperature change[SCEN1] : Adaptive scenariosTemperature change[SCEN2] : Adaptive scenariosTemperature change[SCEN3] : Adaptive scenariosTemperature change[SCEN4] : Adaptive scenariosTemperature change[BAU] : Adaptive scenariosTemp change 2C : Adaptive scenarios
Emissions andClimate Change
Annual emissions130
97.5
65
32.5
01995 2005 2015 2025 2035 2045
Time (Year)
GtC
O2/
Yea
r
Total CO2 emissions GTCO2[SCEN1] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN2] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN3] : Adaptive scenariosTotal CO2 emissions GTCO2[SCEN4] : Adaptive scenariosTotal CO2 emissions GTCO2[BAU] : Adaptive scenarios
CO2 concentrations500
425
350
275
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Time (Year)
ppm
"CO2 ppm concentrations WoLiM 1.5"[SCEN1] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN2] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN3] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[SCEN4] : Adaptive scenarios"CO2 ppm concentrations WoLiM 1.5"[BAU] : Adaptive scenariospre industrial value ppm : Adaptive scenarios
Total radiative forcing4
3
2
1
01995 2005 2015 2025 2035 2045
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wat
t/(m
eter
*met
er)
Total Radiative Forcing[SCEN1] : Adaptive scenariosTotal Radiative Forcing[SCEN2] : Adaptive scenariosTotal Radiative Forcing[SCEN3] : Adaptive scenariosTotal Radiative Forcing[SCEN4] : Adaptive scenariosTotal Radiative Forcing[BAU] : Adaptive scenarios
Temperature change3
2.25
1.5
.75
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Time (Year)
Deg
rees
C
Temperature change[SCEN1] : Adaptive scenariosTemperature change[SCEN2] : Adaptive scenariosTemperature change[SCEN3] : Adaptive scenariosTemperature change[SCEN4] : Adaptive scenariosTemperature change[BAU] : Adaptive scenariosTemp change 2C : Adaptive scenarios
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ConclusionsMEDEASmodelneedsassumptionsabouttheworldsocio-economicevolution(suchasexpectedeconomic growth, population evolution or technological progress) as external inputs. Theassignmentofestimatedvaluesforthesevariablesovertimeconsideringsomehypothesesiscalledscenarios. Scenario methodology offers an approach to deal with the limited knowledge,uncertaintyandcomplexityofnaturalandsocialsciencesandcanbeusedtogroupthevariationsof policies into coherent andmeaningful scenarios. Each scenario represents an archetypal andcoherentvisionofthefuture.Nevertheless, thesecommonlyusedprojectionsofvaluesthatarerealized in the scenarios do not contemplate some limitations due to the availability of energyresources and to the feedbacks of the global system. Therefore, it is necessary to analyze thevariability introducedby theseconsiderationson those scenarios.This reportdescribes someoftheseconsiderationsthatwillbesystematicallyanalyzedontheglobalmodelwhenitisfinalizedinJuly 2017. The preliminary results point to significant differences between predicted economicgrowthinthescenariosandtheeconomicgrowthobtainedinthesimulations,takingintoaccounttheenergyavailabilityandtheproposedfeedbacks.Thisdecelerationeffectontheglobaleconomicindicatorscanbeevengreaterifrestrictionsareimposedontheuseoffossilfuelstoguaranteethecarbonbudgetthatavoidstoexceed2ºC.
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ListofTablesTable1:Qualitativesummaryofthemainassumptionsanddriversofeachscenariofollowing(vanVuurenetal.,2012)........................................................................................................................104
Table2:Maximumdepletioncurvesconsideredforeachscenario...............................................105
Table 3: Techno-sustainable potential of RES for heat and liquids in MEDEAS. Other potentialresources,suchas4thgenerationbiomass(algae),arenotconsideredduetothehighuncertaintiesofthetechnologyandthelong-termnatureof itseventualcommercialappearance(Jandaetal.,2012).NPP:NetPrimaryProduction.Thefollowingconversionfactors fromNPP(harvestable)tofinal(gross)powerareassumed:80%forheat,20%forelectricityand15%forliquids...............118
Table 4: Data of electric renewables considered in MEDEAS.. “TWe” represents power electricproduction:TWh/8760.MSW:Municipalsolidwaste...................................................................121
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ListofFiguresFigure1:ModulesinMEDEASmodelandtheirfeedbacks.Ownelaboration..............................106
Figure2:Energy-EconomyfeedbackinMEDEAS.Ownelaboration..............................................107
Figure 3 : GDP and total oil extraction. Preliminary results of global MEDEAS model. Ownelaboration.....................................................................................................................................110
Figure4(KerschnerandCapellán-Pérez,2017):Simplifiedrepresentationofthedepletionofanon-renewableresourceintheabsenceofnon-geologicconstraints.Stocksandflowsofenergyrelativetotime............................................................................................................................................111
Figure5(Mediavillaetal.,2013):Integrationofdepletioncurvesinthemodel.(a)SDmodel.(b)Acurveofmaximumextraction(solid)comparedwiththedemand(dashed).................................113
Figure6 (Capellán-Pérezet al., 2014):Non-renewableprimaryenergy resources availability: (a)depletioncurvesasafunctionoftimefromtheoriginalreference;(b)curvesofmaximumextractionin function of the RURR as implemented in the model. The y-axis represents the maximumachievableextractionrate(EJ/year)infunctionoftheRURR(EJ).Foreachresource,theextremeleftpoint represents its URR. As extraction increases and the RURR fall below the pointwhere themaximumextractioncanbeachieved,theextractionisforcedtodeclinefollowingtheestimationsofthestudiesselected(panel(a)).TheRURRin2007foreachresourceisrepresentedbyarhombus.........................................................................................................................................................114
Figure7:Totalelectricsolarproduction(TWe).Inthisfigurewerepresentthedynamicsofsolardeploymentconsideringavery rapidgrowthof solar (+19%).Whilebeing far fromthepotentiallimit,exponentialgrowthdrivesthegrowthofnewsolarpower.Asthetotalsolarpowerinstalledincreases, the depreciation of infrastructures becomes significant. Finally, just 15 years afterreachingthemaximuminstallationrate,95%ofthepotentialisachievedin2065......................122
Figure8:EnergylossesasafunctionofCO2concentrationsduetoclimateimpactsimplementedinthecurrentversionofMEDEAS......................................................................................................125
Figure9:GDPandPopulationbehavior.Ownelaboration...........................................................127
Figure10:GDPpercapitabehavior.Ownelaboration..................................................................128
Figure11:Totalprimaryenergydemandbehavior.Ownelaboration..........................................128
Figure12:Oilextraction.Ownelaboration...................................................................................129
Figure13:Evolutionofelectricenergy.Ownelaboration.............................................................130
Pg.MarítimdelaBarceloneta,[email protected]+34932309500F+34932309555
ThisprojecthasreceivedfundingfromtheEuropeanUnion’sHorizon2020researchandinnovationprogrammeundergrantagreementNo691287
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Figure14:Installedpowerinrenewableresources.Ownelaboration.........................................131
Figure15:Resultsonclimatechange.Ownelaboration...............................................................132