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Offshore Energy Development Offshore Energy Development Offshore Energy Development Offshore Energy Development
In GUJARAT In GUJARAT In GUJARAT In GUJARAT
A green initiativeA green initiativeA green initiativeA green initiative
8/1/2015 1
About Abhay Ocean
�Marine/Marine/Marine/Marine/ OffshoreOffshoreOffshoreOffshore ConstructionConstructionConstructionConstruction
providerproviderproviderprovider....
�Promoted by CaptainCaptainCaptainCaptain JagdishJagdishJagdishJagdish
Khokhar,Khokhar,Khokhar,Khokhar, ExExExEx.... NavalNavalNavalNaval OfficerOfficerOfficerOfficer....
�ExperienceExperienceExperienceExperience ofofofof overoveroverover 30303030 yearsyearsyearsyears in
managing & executing wide variety
of offshoreoffshoreoffshoreoffshore projectsprojectsprojectsprojects.of offshoreoffshoreoffshoreoffshore projectsprojectsprojectsprojects.
�With our highhighhighhigh degreedegreedegreedegree ofofofof flexibilityflexibilityflexibilityflexibility
basedbasedbasedbased onononon multimultimultimulti skillingskillingskillingskilling industryindustryindustryindustry
knowledgeknowledgeknowledgeknowledge andandandand experience,experience,experience,experience, withwithwithwith
costcostcostcost efficiencyefficiencyefficiencyefficiency awarenessawarenessawarenessawareness....
�AOILAOILAOILAOIL personnelpersonnelpersonnelpersonnel andandandand servicesservicesservicesservices areareareare
highlyhighlyhighlyhighly awareness,awareness,awareness,awareness, AOILAOILAOILAOIL personnelpersonnelpersonnelpersonnel
andandandand servicesservicesservicesservices areareareare highlyhighlyhighlyhighly regardedregardedregardedregarded
throughoutthroughoutthroughoutthroughout thethethethe OilOilOilOil &&&& GasGasGasGas industryindustryindustryindustry....
8/1/2015 2
Abhay –Ocean Power objectives
�Focus on building/creating
infrastructure for developmentdevelopmentdevelopmentdevelopment
ofofofof OffshoreOffshoreOffshoreOffshore RenewableRenewableRenewableRenewable inininin IndiaIndiaIndiaIndia....
�Study,Study,Study,Study, conductconductconductconduct SurveysSurveysSurveysSurveys forforforfor futurefuturefuturefuture
sitessitessitessites for offshore renewable.
�ProvideProvideProvideProvide skilledskilledskilledskilled manpowermanpowermanpowermanpower andandandand
expertexpertexpertexpert knowledgeknowledgeknowledgeknowledge basebasebasebase....expertexpertexpertexpert knowledgeknowledgeknowledgeknowledge basebasebasebase....
�To become pioneerspioneerspioneerspioneers inininin developmentdevelopmentdevelopmentdevelopment
ofofofof oceanoceanoceanocean energyenergyenergyenergy inininin IndiaIndiaIndiaIndia....
�To play importantimportantimportantimportant rolerolerolerole inininin India’sIndia’sIndia’sIndia’s
energyenergyenergyenergy independenceindependenceindependenceindependence .
�To developdevelopdevelopdevelop technologytechnologytechnologytechnology totototo reducereducereducereduce
carboncarboncarboncarbon emissionemissionemissionemission---- Save world fromGlobal warming.
8/1/2015 3
Over view Over view Over view Over view
� About 54545454 %%%% of
Electric power in India
is currently generated
from Coal/LigniteCoal/LigniteCoal/LigniteCoal/Lignite
based thermal power
plant.
�Contribute to GreenGreenGreenGreen
househousehousehouse gasesgasesgasesgases emissionsemissionsemissionsemissions....
�IncreaseIncreaseIncreaseIncrease inininin EnergyEnergyEnergyEnergy
demanddemanddemanddemand 8888 %%%%....
� CapacityCapacityCapacityCapacity additionadditionadditionaddition of
about 12121212,,,,000000000000 MWMWMWMW is
requiredrequiredrequiredrequired for next 10
years.
� ChallengeChallengeChallengeChallenge is to meetmeetmeetmeet
energy demanddemanddemanddemand in
sustainablesustainablesustainablesustainable manner.
�The needneedneedneed of hour is
cleancleancleanclean resource of
Energy, in which marinemarinemarinemarine
renewablerenewablerenewablerenewable powerpowerpowerpower cancancancan
playplayplayplay aaaa majormajormajormajor rolerolerolerole....
8/1/2015 4
Typical Working : Offshore Wind farm
8/1/2015 5
Contents
1. Introduction
a) Offshore Wind Energy
b) Tidal Current Turbine
8/1/2015 6
8/1/2015 7
8/1/2015 8
ADVANTAGES OF OFFSHORE WIND
� Higher wind speed than onshore
locations : More than 20 %.
�Larger area available for setting up
bigger Wind farms.
�More consistent wind speeds.
�Lower turbulence intensities hence
lower mechanical fatigue, longer life timelower mechanical fatigue, longer life time
for turbines.
� Close to load center, Located near
cities hence minimum transmission losses.
� Short gestation period: Mega/ Ultra
mega size thermal/hydro may have
gestation period of 3-6 years where as
Offshore wind project have gestation
period of 1-2 years.
8/1/2015 9
Typical Working : Offshore Wind farm
8/1/2015 10
Global status of Offshore wind farm
� 15 GW installed at end of 2013; 135
GW by 2030.
� Increase of 31% from 2011.
�Average turbine size 4-5 MW, New
turbines of 9 MW are available.
�Average wind farm size 271 MW.
� Reduce offshore cost to 10c/kwh by
2015.8/1/2015
11
LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL
WIND FARMS WIND FARMS WIND FARMS WIND FARMS
8/1/2015 12
LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL LIST OF OFFSHORE OPERATIONAL
WIND FARMS WIND FARMS WIND FARMS WIND FARMS
8/1/2015 13
Note: In China, Belgium more than 1 GW
offshore energy parks are under
construction . Up to 2013 All over the
World more than 15 GW of proposed .
LIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbines
1. Vestas V164 8 MW
Most innovative
design with 80 m
blades and light
weight nacelle.
2. Enercon E126
7.5 MW
8/1/2015 14
7.5 MW
3. Samsung S7.0 S171
7 MW latest entry
to offshore market.
Currently under
test in Scottish
waters.
LIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbines
5. Siemens SWT-6.0
150 the successful
offshore wind
turbine. Signed 1.8
4. RE Power 6 M
series currently
the popular wind
turbine found in
open sea. 85-95 m
Rotor blade
length.
8/1/2015 15
turbine. Signed 1.8
GW contract with
dong energy.
6. Sinovel SL600
Currently being
tested in china.
64 m rotor
blade. Company
claims of
designing 10 MW
turbine
LIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbinesLIST OF Biggest wind turbines
7. Alstom Haliade 6 MW
73 m Rotor blade will
be Installed in belgium
waters.
8. Areva M5000 113 m
rotor blade Installed in
Alpha ventus project in
German north sea.
8/1/2015 16
9. Bard 5 MW 122 rotor
blade Installed in island
of Borkum in north sea.
10. XEMC 5 MW 115
rotor blade. Chinese
manufacturer. To be
installed in project
Swedish off coast.
Indian Power sector at a glance
8/1/2015 17
Over view Over view Over view Over view
� About 54 % of Electricpower in India is currentlygenerated fromCoal/Lignite basedthermal power plant.
� Contribute to Greenhouse gases emissions.
�Increase in Energydemand 8 %.
� Capacity addition ofabout 120,000 MW isrequired for next 10years.
� Challenge is to meetenergy demand insustainable manner.
�The need of hour isclean resource of Energy,in which offshore windcan play a major role.8/1/2015 18
India : A potential hub of offshore
wind farms
� India is blessed with 7600 km coastline.
� Possess rights over a Exclusive
Economic Zone(EEZ) covering area of 2
million sq. meter.
� As per initial surveys conducted� As per initial surveys conducted
estimated potential of few thousands of
MW; Along the cost line of
Rameshwaram & Kanyakumari in Tamil
nadu.
�Also coastlines Gujarat, Kerala and
Maharashtra indicated moderate
offshore wind energy potential.
8/1/2015 19
Offshore wind farm-
Drivers/Accelerators
8/1/2015 20
National Offshore Wind energy
policy-2013
Draft of National Offshore Wind
Energy Policy 2013 provides formulation
for consenting(CAB= Consenting Apex
Body)
� Wind resource assessment, Project
development & Power production.development & Power production.
� Wind Energy measurement licenses &
EIA Survey lease.
�Environmental protection measures &
EIA.
� Taxes, Royalties, Rentals & Duties.
�Power evacuation.
8/1/2015 21
Venturing offshore- Extensive long
term planning
8/1/2015 22
Offshore Wind Resource assessment
Wind Resource Assessment (WRA) is the
collection of technologies and analytical
methods that are used to estimate how much
wind will be available for Wind power plant for
entire course of its useful life.� Determines amount of energy the Plant will produce.
Sources of WRA:
The key requirement is to reduceThe key requirement is to reduceuncertainty in estimation to increaseBankability of the project.
Following are tools used in WRA:
1. Met Mast: � Consist of Anemometer and
wind vane at desired hub height.
� Most reliable onsite wind measurement.
8/1/2015 23
Offshore Wind Resource assessment
2. Light Detection & Ranging (LiDER):
� Operates by emitting a laser signal, either aspulses or as continuous wave, Which is partiallyscattered back in the direction of emitter bysuspended aerosol particles.
�The light reflected back is shifted in frequency,which used to derive wind speed.
�LiDERS are available in two types for offshore�LiDERS are available in two types for offshorepurposes
I) Floating Type Platform:
8/1/2015 24
Offshore Wind Resource assessment
II) Fixed Type Platform:
8/1/2015 25
Offshore Wind Resource assessment
III) Satellite Data : Additional tool
available to get wind data is Satellite
data.
QuikSCAT, MERRA, METEOSAT etc. These
data are usually 10-50m height and need
to be scaled up to turbine height. The
quality of data depend upon satellite
coverage and length of duration for which
satellite is deployed. It can also providesatellite is deployed. It can also provide
spatial variation and long term data.
IV) Mesoscale Data : Wind Resource
Grids(WRGs) are prepared by using
number of mesoscale and microscale
models along with weather data
produced by US
National Center for environmental
projection (NCEP) And National Centre for
Atmospheric research (NCAR) . MERRA
Reanalysis Data.8/1/2015 26
Coastal line measurement in india at
50 m a.g.l.
8/1/2015 27
Mean simulated wind speed at 80 m
a.g.l.
The contour interval is 2 m/s.
8/1/2015 28
Mean simulated wind speed at 80 m
a.g.l.
The contour interval is 100 w/m^2.
8/1/2015 29
Mean simulated wind speed at 50 m
a.g.l.
The contour interval is 100 w/m^2.
8/1/2015 30
Mean simulated wind speed at 50 m
a.g.l.
The contour interval is 100 w/m^2.
8/1/2015 31
Mean simulated wind speed at 80 m
a.g.l.
The contour interval is 100 w/m^2.
8/1/2015 32
offshore wind Turbine installationoffshore wind Turbine installationoffshore wind Turbine installationoffshore wind Turbine installation
8/1/2015 33
Overview : offshore wind farm supply
chain
8/1/2015 34
I) Data Availability and Convergence :
�Studies have several gaps and remain
inconclusive.
�Most databases provide spatial
variation, temporal variation is not
available.
II) Uncertainty :
Challenges to offshore potential
assessment in india
II) Uncertainty :
�Accounting for sea surface roughness
and atmospheric stability is challenge.
III) Mapping of Marine resources:
�Mapping of fishing/shipping channels
and marine mammal movements need
to be done determine development
restrictions.
8/1/2015 35
Offshore Wind farm Economics
8/1/2015 36
Offshore Wind farm Economics
Cost of Wind Energy
Source: Economics of Wind energy, EWEA 20098/1/2015 37
Offshore Wind farm Economics
Balance-of-station cost drivers and Sensitivities
8/1/2015 38
Offshore Wind farm Economics
Balance-of-station cost drivers and Sensitivities
8/1/2015 39
Offshore Wind farm Economics
Balance-of-station cost drivers and Sensitivities
8/1/2015 40
Offshore Wind farm Economics
Balance-of-station cost drivers and Sensitivities
8/1/2015 41
8/1/2015 42
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 43
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 44
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 45
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 46
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 47
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 48
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 49
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 50
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 51
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 52
Source: Offshore wind Potential of Gujarat by PDPU
8/1/2015 53
Source: Offshore wind Potential of Gujarat by PDPU
Conclusion: Offshore Wind in India
�Huge potential of offshore wind in
India.
�Wind Data is available from differentsources but need to be validated.; byinstalling Mast & LiDER’S @ potentialoffshore locations.
� The variability of all-in cost of windenergy is still major barrier for developingenergy is still major barrier for developing
Offshore wind farm.
� Total Balance-of–cost are reduced
with larger projects size.
�Total Balance-of-cost are reduced
with larger Turbine size.
�Water depth shows no Impact onElectrical cost. However it impactsupport structure cost.
8/1/2015 54