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TWOCOMPLETECOMBINEDCYCLEPOWERPLANTS

(2XLM2500+and2xP&WFT8-3Turbines)

CombinedCycleNaturalGasPowerPlantprojectisbasedonfourgasturbinegeneratorsetsincorporatedwithfourheatrecoverysteamgenerators(HRSGs)ofoncethrough(OTSG)type,twosteamturbinegeneratorsets,twoaircooledcondensers(ACC)andauxiliarysystemsforbaseloadoperationwithloadcyclingcapability.

ThePlant’scoolingrequirementsaresatisfiedbyutilizinganaircooledcondenserforthesteamturbine,andanequipmentcoolingwater(ECW)system,utilizinganair-cooledheatexchangerfortheauxiliarysystems.

Thewater is produced in thewater treatmentplant, from rawwatersuppliedfromadam,locatedatadistanceof7kmfromthePlantsite.

The generated energy is delivered to grid via existing 154 kVtransmissionlinetolocalsubstation.Theterminalpointisatthe154kVswitchyardgantryincludingconductorandearthwirespantothefirsttower.

Station auxiliary supply for the Plant is from two (2) stationauxiliarytransformers;one(1)ofwhichisconnectedtothe11kVswitchgearofGasTurbineGeneratorNo.1andtheotherone(1)tothe11kVswitchgearofGasTurbineGeneratorNo.2.Electricsupplyfornormalstart-up,shutdownandmaintenanceperiodsofthePlantisavailablefromgridopeatorviabackfeedthroughtheGTGstep-uptransformers.

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GENERALPLANTLAYOUT

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EQUIPMENTTECHNICALDETAILSOFPLANT-1

BRANDNAME GENERALELECTRIC-NORWAY

PACKED

MODEL(LABEL) LM2500PlusPK-MDWG03

POWER 30MW

STARTUPDATE Oct14,2005

TURBINEPRODUCTIONDATE

2002

FUELTYPE NATURALGAS&LIQUIDFUEL(DUAL)

GENERATORBRANDNAME ABB

GENERATORCOOLING WATERCOOLED

GENERATORREVOLUTION 1.500rpm

GENERATORPOWER 37.800KVA

WEIGHT 55.5MT

GEN.PRODUCTIONDATE 2002

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BRANDNAME IST (INNOVATIVE STEAM

TURBINES)CANADA

TYPE OTSG(ONCETHROUGH)

PRODUCTIONDATE 2002

HPSTEAMPRESSURE 54barg

HPSTEAMTEMPERATURE 475°C

HPFLOW 9,89kg/sec

LPSTEAMPRESSURE 3,98barg

LPSTEAMTEMPERATURE 245C

LPFLOW 3,98kg/sec

PREHEATERPRESSURE 22,9barg

PREHEATERTEMP 115C

PREHEATERWATERFLOW 5,5kg/sec

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BRANDNAME GENUOVOPIGNONEITALY

MODEL HNK50/80

POWER 21,99MW

REVOLUTION 5.050rpm

CONDANSATETEMP 49°C

CONDANSATEPRESSURE -0,8816barg

TURBINEWEIGHT 72.000kg

GENERATORWEIGHT 45200kg

GEARBOXBRANDNAME FLENDER

GEARBOXREVOLUTION 5.050/1.500rpm

GENERATORBRANDNAME ABB

POWER 30.630KVA

WEIGHT 46.000kg

PRODUCTIONDATE 2002

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GASTURBINETRANSFORMER–Quantity=2

154/11KVTRANSFORMERPOWER 40MVA

MANUFACTURER ABB

STARTUPDATE 09.06.2005

STEAMTURBINETRANSFORMER–Quantity=1

154/11KVTRANSFORMERPOWER 31MVA

MANUFACTURER ABB

STARTUPDATE 13.06.2005

DRYTYPE

11/0,4KVTRANSFORMERPOWER 2500KVA

BRANDNAME ABB

STARTUPDATE 09.06.2005

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MANUFACTURER HAMON/USA

CELL 5EA

TYPE TEKSIRALI

FANMOTORPOWER 75kW

COOLING AIR

STEAMFLOW 25,64kg/s

STEAMTEMPERATURE 45°C

STEAMPRESSURE 62,5mbara

FANGEARBOXMANUFACTURER HANSEN

GEARBOXPOWER 190kW

FANMOTORREVOLUTION 1485-297rpm

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EQUIPMENTTECHNICALDETAILSOFPLANTIIGASTURBINES–Quantity=2

BRANDNAME PRATT&WITNEYUSA

MODEL(LABEL) FT8-3SWIFTPACKSINGLESHAFT

POWER 29MW

STARTUPDATE 10.07.2010

TURBINEPRODUCTIONDATE 2009

FUELTYPE NATURALGAS

GENERATORBRANDNAME BRUSH

GENERATORCOOLING AIRCOOLED

GENERATORREVOLUTION 3.000rpm

GENERATORPOWER 79,875KVA

TYPE BDAX72-340ER

GEN.PRODUCTIONDATE 2009

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HEATRECOVERYSTEAMGENERATORS–Quantity=2 GASTURBINETRANSFORMER–Quantity=1

BRANDNAME IST(INNOVATIVESTEAMTURBINES)CANADA

TYPE OTSG(ONCETHROUGH)

PRODUCTIONDATE 2010

HPSTEAMPRESSURE 54barg

HPSTEAMTEMPERATURE 475°C

HPFLOW 9,89kg/sec

LPSTEAMPRESSURE 3,89barg

LPSTEAMTEMPERATURE 245°C

LPFLOW 2,491kg/sec

TRANSFORMER POWER

154/11KV 80MVA

MANUFACTURER BEST/TURKEY

STARTUPDATE 2010

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STEAMTURBINE–Quantity=1

BRANDNAME HTCCHINA

MODEL NKS50/80

POWER 18.518MW

REVOLUTION 3.000rpm

CONDANSATETEMP 45°C

CONDANSATEPRESSURE 0,9124bara

TURBINEWEIGHT 79.000kg

GENERATORWEIGHT 68.000kg

GENERATORBRANDNAME NANYANGCHINA

POWER 23.500KVA

WEIGHT 2010

PRODUCTIONDATE 18.12.2010

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STEAMTURBINETRANSFORMER–Quantity=1

TRANSFORMERPOWER154/11KV MVA

MANUFACTURER BEST

STARTUPDATE 2010

TRANSFORMERPOWER11/0,4KV KVA

MANUFACTURER BEST

STARTUPDATE 2010

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AUXILIARYTRANSFORMER–Quantity=1

MANUFACTURER ECOSTAR

TYPE ECO8O(L)C3A

FUEL Lightoil

OUTPUT kW

OPERATINGPRINCIPLE Electroniccontroloffuel/airratio

LIGHTOILDELIVERY m3/hr

PRESSUREPROBE -18bar

PRODUCTIONDATE 2009

MODEL HPS80710

TYPE WetBack-3Pass

OUTPUT(NOMINAL) Kg/hr

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AIRCOOLEDCONDENSER(ACC)–Quantity=1

MANUFACTURER HAMON/USA

CELL 5EA

TYPE TEKSIRALI

FANMOTORPOWER 75kW

COOLING AIR

STEAMFLOW 25,64kg/s

STEAMTEMPERATURE 45°C

STEAMPRESSURE 62,5mbara

FANGEARBOXMANUFACTURER HANSEN

GEARBOXPOWER 190kW

FANMOTORREVOLUTION 1485-297rpm

PRODUCTIONDATE 2009