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Tocopewiththeforecastedincreasingpowerdemand,thePowerDevelopmentPlan(PDP)wasrevisedbytheMinistryofEnergyasPDP2010:thirdrevision(2012-2030).ThethemesofPDP2010substantiallyfocusontheadequacyofpowersystemtoenhancevariousinfrastructuredevelopmentprojectsinaccordancewiththeNationalEconomicandSocialDevelopmentPlan.ThePDP2010:thirdrevision(2012-2030)isalsoinlinewiththeAlternativeEnergyDevelopmentPlan(AEDP)(2012-2021)andthe20-YearEnergyEfficiencyDevelopmentPlan(EEDP)(2011-2030)approvedbytheNationalEnergyPolicyCouncil(NEPC)onNovember30,2011andendorsedbytheCabinetonDecember27,2011.

ImportantissuesofthePDP2010:thirdrevision(2012-2030)areasfollows:

1.TheforecastedpowerdemandresultsapprovedbytheThailandLoadForecastSubcommittee(TLFS)onMay30,2012areadoptedwithinthefollowingframeworks:

- TheprojectedThaiGrossDomesticProducts(GDP)andprojectedGrossRegionalProducts(GRP)estimatedbytheOfficeofNationalEconomicandSocialDevelopmentBoard(NESDB)onNovember29,2011,coveringtheeconomicstimulationpoliciesandfloodingeffectsattheendof2011.

- Theapproved20-YearEnergyEfficiencyDevelopmentPlan(EEDP)(2011-2030)proposedbytheMinistryofEnergy.

2.Energysupplysecuritytakesintoaccountthefueldiversificationandappropriatepowerreservemarginlevel.

3.Cleanenergyandefficientutilization,includingtheAlternativeEnergyDevelopmentPlan(AEDP)(2012-2021),the20-YearEnergyEfficiencyDevelopmentPlan(EEDP)(2011-2030),andcogenerationsystemaretobepromoted.

ThePDP2010:thirdrevision(2012-2030)wasapprovedbytheNationalEnergyPolicyCouncil(NEPC)onJune8,2012andendorsedbytheCabinetonJune19,2012.AccordingtothePDP2010:thirdrevision(2012-2030),EGAT’snewpowerprojectsduring2013-2019areasfollows:

Power Development and Future Plan

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EGAT’s Power Projects ThefollowingnewpowerplantsofEGATwithatotalcontractualcapacityof3,899.9MWwillbeconstructedduring2013-2019.

Project Location Fuel Contractual Scheduled Commercial Capacity Operational Date (Province) (MW) (SCOD)

1.WangNoiCombined Ayutthaya NaturalGas 768.7 Apr.2014 CycleBlock4

2.ChanaCombinedCycleBlock2 Songkhla NaturalGas 782.2 Apr.2014

3.NorthBangkokCombined Nonthaburi NaturalGas 848.3 Oct.2015 CycleBlock2

4.KrabiCleanCoalThermal Krabi Coal 800.0 Jun.2019 PowerProject

5.RenewableEnergyPowerProjectsSeveralsites Wind,solar, 700.7 2013-2019 hydro

Total 3,899.9

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Power Purchase • Independent Power Producer (IPP) Projects

During2013–2019,atotalpowersupplyof4,640MWwillbepurchasedfromthe3existingIPPprojectswhichistargetedtostartcommissioningduring2014-2017andfromanewpowerplantproposedbytheElectricityGeneratingPublicCompanyLimited(EGCO)andapprovedbytheNationalEnergyPolicyCommittee(NEPC)toreplacethepowerplantofwhichthesupplycontractwillexpirein2016.

Project Location Fuel Contractual Scheduled Commercial Capacity Operational Date (Province) (MW) (SCOD)

1. GulfJPNSCo.,Ltd.Blocks1-2 Saraburi NaturalGas 1,600 Jun.-Dec.2014

2. GulfJPUTCo.,Ltd.Blocks1-2 Ayutthaya NaturalGas 1,600 Jun.-Dec.2015

3. ElectricityGeneratingPlc. NakhonSi NaturalGas 900 Jul.2016 Thammarat

4. NationalPowerSupplyCo.,Ltd.Chachoengsao Coal 540 Nov.2016-Mar.2017 Unit1-4

Total 4,640

• Small Power Producer (SPP) Projects

ThePDP2010:thirdrevision(2013-2030)includes6,655MWofpowersupplytobepurchasedduring2013-2019fromsmallpowerproducers(SPPs)consistingof4,770MWofpowerfromfirmenergycontractSPPsusingcogenerationsystemand1,885MWfromSPPsusingrenewableenergy.

• Power Imported from Neighboring Countries

Currently,EGATimportselectricitywithatotalcapacityof2,111MWfromneighboringcountriesunder5hydroelectricpowerprojects.AccordingtothePDP2010:thirdrevision(2013-2030),additionalpowersupplyof3,316MWwillbepurchasedfromneighboringcountriesduring2013-2019.Inthisconnection,twoprojectsof2,693MWhavereachedapowerpurchaseagreement(PPA),andaTariffMemorandumofUnderstanding(TariffMOU)hasbeensignedforanothertwoprojectsofatotalcapacityof623MW.

Project Fuel Contractual Capacity Scheduled Commercial (MW) Operational Date (SCOD)

PPA-Signed Projects (under construction)

1. HongSaUnit1-3 Lignite 1,473 Jun.-Nov.2015,Mar.20162. Xayaburi Hydro 1,220 Oct.2019

Tariff MOU-Signed Projects

3. Xe-PianXe-Namnoy Hydro 354 Aug.20184. NamNgiep1 Hydro 269 Jan.2018

Total 3,316

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Chana Combined Cycle Power Plant Block 2

Wang Noi Combined Cycle Power Plant Block 4

North Bangkok Combined Cycle Power Plant Block 2

Power Project Development 1. Construction of New Power Plants

1.1 Chana Combined Cycle Power Plant Block 2

Thepowerprojectofatotalcapacityof800MWusingnaturalgasasfuelislocatedintheareaoftheexistingChanaPowerPlant,ChanaDistrict,SongkhlaProvince.TheprojectreceivedapprovalfromtheCabinetonFebruary22,2011andapprovalonenvironmentalimpactassessmentfromtheNationalEnvironmentBoardonMay4,2011.Thisprojecthasaninvestmentcostof22,434millionBaht.TheconstructoristheConsortiumofSiemensAktiengesellschaft,SiemensLimited,andMarubeniCorporation.TheconstructionstartedinDecember2011,anditisexpectedtocompleteinApril2014.

1.2 Wang Noi Combined Cycle Power Plant Block 4

Thepowerprojectof800MWcapacityusingnaturalgasasfuelislocatedintheareaoftheexistingWangNoiPowerPlant,WangNoiDistrict,AyutthayaProvince.TheprojectwasapprovedbythecabinetonFebruary22,2011,withenvironmentalimpactassessmentapprovedbytheNationalEnvironmentBoardonSeptember27,2010.Thisprojecthasaninvestmentcostof21,747millionBaht.TheconstructoristheConsortiumofSiemensAktiengesellschaft,SiemensLimited,andMarubeniCorporation.TheconstructionstartedinDecember2011,anditisexpectedtocompleteinApril2014.

1.3 Preparation for the North Bangkok Combined Cycle Power Plant Block 2

AsthepowerdemandofthecountryhasbecomehigherthanthepowerforecastwhichwasusedasthebasisinthepreparationofthePDP2010:thirdrevision(2012-2030)coupledwiththedelayinIndependentPowerProducerprojects(IPPs)andtherenewableenergyprojectsoftheSmallPowerProducers(SPPs-Renewable)resultinginaninabilitytosupplyenergytothesystemasplanned,thepowerreservein2014willbe9.7percentlowerthanthestandardlevel.Inanattempttosolvethisproblemasamatterofemergency,theprojectofNorthBangkokCombinedCyclePowerPlantBlock2withatotalcapacityof800MWandtobelocatedinthenorthernareaoftheexistingNorthBangkokpowerplantwasproposedtotheCabinet.TheprojectreceivedtheapprovaloftheCabinetonNovember30,2010andisexpectedtobeabletosupplypowertothecommercialsystemby2015.

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2. Renewable Energy Power Plant Development

Inresponsetothestrategyinrenewableenergydevelopment(2008-2013)oftheMinistryofEnergyandtheconditionintherenewableportfoliostandard(RPS),5percentofrenewableenergypowerplantdevelopmentwouldbeconductedin2011.Therearethe89.7MWrenewableenergypowerplantprojectswhichcostatotalof5,948millionBahtconsistingofthefollowing.

Renewable Energy Location Capacity Scheduled Commercial Power Project (MW) Operational Date (SCOD)

NaresuanDam BaanHadYaiSub-district, 1x8=8 Apr.2012 PhromPhiramDistrict, PhitsanulokProvince

KhunDanPrakancholDam HinTangSub-district, 1x10=10 Jun.2013 MueangDistrict, NakhonNayokProvince

MaeKlongDam MuangChumSub-district, 2x6=12 Jul.2013 ThaMuangDistrict, KanchanaburiProvince

PasakJolasidDam PhatthanaNikhomDistrict, 1x6.7=6.7 Dec.2013 LopBuriProvince

KwaeNoiBamrungdanDam KanChongSub-district, 2x15=30 Jun.2015 WatBotDistrict, PhitsanulokProvince

LamTaKhongWindTurbine KlongPaiSub-district, 12x1.5=18 2014 PowerPlant,Phase2 SikhioDistrict&NongSarai (approvedbytheCabinetand Sub-district,PakChongDistrict, awaitingapprovalfromthe NakhonRatchasimaProvince NationalEnvironmentBoard)

SolarPowerPlant NaHuKwangSub-district, 1x5=5 2014 TabSakaeDistrict, (duringthedesigningprocess) PrachuapkhirikhanProvince

3. Renovation of the Existing Hydropower Plants

EGAThasbeenimplementingtherenovationprojectswiththefollowinghydropowergeneratorswhichhavealreadybeenusedformorethan30yearstoextendtheirlifecycleandtoincreasetheirperformanceefficiencyforthereadinessandstabilityinpowergenerationandreductionofthemaintenancecost.

Hydropower plant Location Capacity Scheduled Commercial (MW) Operational Date (SCOD)

UbolRatanaDam KhonKaenProvince 3x8.4=25.2 Unit1:Dec.2012 Unit2:Feb.2016 Unit3:Feb.2016

NamPhungDam SakonNakhonProvince 2x3=6 Unit1:Jul.2015 Unit2:Jul.2015

SirindhornDam UbonRatchathaniProvince 3x12=36 Unit1:May2015 Unit2:May2015 Unit3:May2015

ChulabhornDam ChaiyaphumProvince 2x20=40 Unit1:Feb.2015 Unit2:Feb.2015

KaengKrachanDam PetchaburiProvince 1x17.5=17.5 March31,2010

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4. Clean Coal Technology Power Project

TheCleanCoalTechnologyPowerProject,anextensionprojectofKrabiPowerPlant,islocatedintheareaofexistingKrabiPowerPlant,KlongKananSub-district,NueakhlongDistrict,KrabiProvince.Beingapowerplantofatotalcapacityof800MWwhichhasbeenincorporatedinthePDP2010:thirdrevision(2013-2030)usingimportedcoalasfuel,theprojectisexpectedtobecompletedby2019.

TheEnvironmentalHealthImpactAssessment(EHIA)ofthepowerplantandtheloadingpierconstructionforthisprojecthavebeenconductedbyaconsultantfor12months(May2012-May2013).

5. Replacement of Mae Moh Power Plant, Units 4-7

InresponsetoEGAT’spolicyinincreasingtheefficiencyinpowergenerationwhiledecreasingtheproductioncost,afeasibilitystudywasconducted,revealingthatitisappropriatetoconstructanewlignitepowerplantofatotalcapacityof600MWtoreplacetheexistingMaeMohPowerPlant,Units4-7.TheresultofthefeasibilitystudywassubmittedtothePermanentSecretaryofEnergyonDecember20,2012tobefurthersubmittedforapprovaloftheCabinet.ItisexpectedthatthenewunitswillbeabletosupplypowertothecommercialsysteminJanuary2018.Meanwhile,theexistingMaeMohPowerPlant,Units4-7havecontinuedtheirnormaloperationduringtheconstructionofthenewpowerplants.

6. Nuclear Power Plant Project

OnMay3,2011,theCabinetendorsedtheresolutionoftheNationalEnergyPolicyCommittee(NEPC)topostponethedevelopmentofNuclearPowerPlantfor3yearsfromtheoriginalscheduleof2020to2023duetotheradioactiveleakincidentofthenuclearpowerplantinJapan.

Transmission System Development and Expansion Projects TransmissionsystemplanninganddevelopmentisoneofEGAT’smainresponsibilitiesandhasbeencontinuouslyconductedtocopewiththerisingdemandinenergyandtoefficientlyinterconnectthedomesticpowerplantsandthepowerplantsintheneighboringcountrieswiththeEGAT’spowersystemtoensurethesecurityandthereliabilityinthepowersystem.Furthermore,inpreparingfortheincomingASEANEconomicCommunity(AEC)intheyear2015,astudyonASEANregionalelectricinterconnectionsystemisbeingconductedbyEGAT.

Majortransmissionsystemdevelopmentandexpansionprojectsareasfollows:

• On-going Transmission System Projects

1. Bulk Power Supply for the Greater Bangkok Area Project, Phase 2 (BSB2)

TheBSB2isasuccessiveprojectoftheBSB1.BSB2comprisesseveralsubprojectsinvolvingtheconstructionofnewtransmissionlinesandtheupgradeofexistinglinestotaling89.025circuit-kilometers,installationoftransformerstotaling9,600MVAandvoltagecontrolequipmenttotaling384.0MVAr.Thisprojecthasaninvestmentcostof9,170millionBaht,anditsscheduledcompletiondateisin2015.

2. 500 kV Transmission Line Project for Power Purchase from IPP Projects in the Eastern Area

ThistransmissionsystemprojectinvolvestheconstructionofmaintransmissiongridsystemtoreceiveelectricpowerfromtheIPPprojects,whicharesituatedintheeasternregionofThailand(alongtheGulfofThailand).Theprojectconsistsoftheconstructionof500kVdouble–circuitlines,totalingapproximately159kilometersdistance,fromPluakDaengSubstationtoNongChok-WangNoiJunction(3rdand4thcircuits).TheprojectwillenhancesystemreliabilityandaccommodatefuturegridconnectionofthenewIPPprojects.This4,985millionBahtprojectwasscheduledforoperationin2012.AsofNovember2012,theprogressoftheprojectwas99.54percent.

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3. Transmission System Expansion Project No. 11 (TS.11)

TheTS.11,asuccessiveschemeoftheTS.10consistsoftheconstructionoftransmissionlinestotalingapproximately1,922.7circuit-kilometersdistance,12newsubstations,andtheinstallationoftransformersof14,575MVAandvoltagecontrolequipmentof1,741.2MVAr.AsofNovember2012,theoverallprojectachieved70.88percentprogress.Theprojecthasaninvestmentcostof23,000millionBaht,anditisscheduledtobeonlinein2014.

4. Transmission System Development for the Power Purchase from IPPs

Thistransmissionsystemprojectistoaccommodatethepowerpurchasefrom4awardedIPPpowerplants,totalinginstalledcapacityofapproximately4,400MW.Theinvestmentcostoftheprojectis7,985millionBaht.Progressofeachsub-projectsisasfollows:

4.1AsofNovember2012,thetransmissionsystemsub-projectforthepowerpurchasefromtheGheco-OnePowerPlantProjectreached95.32percentprogressandwouldbeduein2012.

4.2Thesub-projectforthepowerpurchasefromtheNationalPowerSupplyPowerPlantProjectiscurrentlypendingduetothepowerplantrescheduling.

4.3Thesub-projectforthepowerpurchasefromtheGulfJPUTPowerPlantProjectiscurrentlyintheprocessoflandacquisition.Itisplannedtobeinservicein2014.

4.4Thesub-projectforthepowerpurchasefromtheGulfJPNSPowerPlantProjectreached20.97percentprogress.Itisexpectedtobecompletedin2014.

5. Transmission System Development for the Power Purchase from Theun Hinboun Expansion Hydroelectric Power Plant Project

ThistransmissionsystemprojectisintendedtoaccommodatethepowerpurchasefromTheunHinbounExpansionHydroelectricPowerPlantProjectinLaoPDR.Theprojectincludestheconstructionofanew230kVNakhonPhanom2Substationandthetransmissionlineswithatotaldistanceofapproximately108circuit-kilometers.This665millionBahtprojectisscheduledtobecompletedin2013.AsofNovember2012,theprogressoftheprojectwas96.77percent.

6. Transmission System Development for the Power Purchase from Hongsa Lignite-Fired Thermal Power Plant Project

ThisprojectisintendedtoaccommodatethepowerpurchasefromHongsaLignite-FiredThermalPowerPlantProjectinLaoPDR,whichwillsupply1,473MWofpowertoThailand.Thistransmissionsystemprojectconsistsof500kVtransmissionlinesfromMaeMoh3Substation

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toThai/Laoborder(NanProvince)andothertransmissionsystemexpansioninnorthernareawithatotallengthofapproximately1,192circuit-kilometers,anewsubstation,andtheinstallationoftransformersof1,150MVA.Thescheduledcompletiondateofthis21,160millionBahtprojectisin2014.AsofNovember2012,theprogressoftheprojectwas3.13percent.

7. Transmission System Development for the Power Purchase from Nam Ngum 3 and Nam Theun 1 Hydropower Plant Project

ThistransmissionsystemprojectistoaccommodatethepowerpurchasefromNamNgum3andNamTheun1and/orotherpotentialprojectsinLaoPDR.Theprojectconsistsofthenew500kVtransmissionlinesNamPhong2-Chaiyaphum2-ThaTakoconnectedtoBanNaBong(LaoPDR)-UdonThani3-NamPhong2(currentlyoperatingat230kV)formingthe500kVBanNaBong-UdonThani3-Chaiyaphum2-ThaTakolineincluding230kVChaiyaphum2-Chaiyaphumlinewithatotallengthofapproximately728circuit-kilometers,anewsubstation,andinstallationoftransformersof4,000MVA.This17,550millionBahtprojectisnowintheprocessofengineeringdesignandisscheduledforoperationinDecember2016.

8. Transmission System Development in the Area of Loei, Nongbua Lamphu, and Khon Kaen Provinces for the Power Purchase from Lao PDR Project

ThistransmissionsystemprojectistoreceivetheimportedelectricpowerfromtheXayaburiHydroelectricPowerPlantProjectinLaoPDR,whichwillsupplypowerof1,220MWtoThailand.Theprojectinvolvestheconstructionof500kVdouble-circuittransmissionlinesfromThai/LaoBorderinLoeiProvincetothenewLoei2SubstationandthenewKhonKaen4Substation,withthedistanceofapproximately52and173kilometers,respectively.Thisprojectconsistsof450circuit-kilometersoftransmissionlines(onlyinThaiTerritory),twonewsubstations,andtransformersof1,000MVA.This12,060millionBahtprojectisplannedforcompletionin2017.

9. Transmission System Development for Chana Power Plant Block 2 Project

Thisprojectisanewtransmissionsystemprojecttoreceive800MWpowerfromEGAT’snewChanaPowerPlantProject,Block2.Itcomprisestheconstructionof230kVChana-ChanaJunction-KhlongNgaetransmissionsystem,withatotaldistanceof90circuit-kilometersandtheconstructionandexpansionof2existingsubstations.AsofNovember2012,theprogressofthis1,290.50millionBathprojectwas3.48percent,andthescheduledcompletiondateoftheprojectisin2014.

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10. Transmission System Development for Wang Noi Power Plant Block 4 Project

Thisprojectconsistsoftheconstructionof500kVtransmissionlinesfromWangNoiPowerPlant,Block4-WangNoi,withatotaldistanceof1.2circuit-kilometers.AsofNovember2012,the68millionBathprojecthaditsprogressof19.27percentandisplannedtobecompletedin2013.

11. Transmission System Expansion and Renovation Project, Phase 1: Substation

Thisprojectinvolvestheimprovementand/orreplacementofagedsubstationequipmentandcontrolsystemsof15substationsandothermiscellaneoustransmissionsystemexpansion.This3,815millionBahtprojectisnowintheprocessofengineeringdesignandisscheduledforoperationin2015.

12. New Transmission System Interconnection Project between Su-ngai Kolok Substation (EGAT) and Rantau Panjang Substation (TNB)

ThisnewinterconnectionsystemprojectisintendedtostrengthenenergysecurityandreliabilityinNarathiwatProvincebyallowingformoreimportedpowerfromMalaysiaviathenewtransmissionsystemandpromotethecooperationbetweenThailandandMalaysia.Theinvestmentcostoftheprojectis535millionBaht.Theprojectisplannedtobeinservicein2014undertheconditionthattheconstructionprocesscanbecommencedonlyaftertheInterconnectionAgreementbetweenEGATandTenegaNasionalBerhad(TNB)isachieved.

13. Main Transmission System Expansion Project for Power Purchase from SPP Cogeneration Power Plant, based on Request for Proposal 2010

Thisprojectinvolvestheconstructionofnew230kVlineslinkingAyutthaya4andSiKhiu2Substations,improvementofrelatedtransmissionlineswiththedistanceof482circuit-kilometers,anewsubstation,theinstallationoftransformersof2,650MVA,andothermiscellaneousimprovementoftransmissionsystem.Theinvestmentcostoftheprojectis10,610millionBaht.Theprojectisnowintheprocessofengineeringdesignandisscheduledforoperationin2015.

14. Transmission System Expansion and Renovation Project, Phase 1: Transmission Line

Thisprojectinvolvesthereplacementandupgradeofagedtransmissionlinesandtheirrelatedequipmentof15lineroutesandothermiscellaneoustransmissionsystemexpansion.This9,850millionBahtprojectisplannedtobecompletedin2014-2016.

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• Transmission System Development Projects Submitted for Approval

1. Transmission System Development in the area of Ubon Ratchathani, Yasothon, and Amnat Charoen Provinces for the Power Purchase from Lao PDR Project

ThisprojectisintendedtoaccommodatethepowerpurchasefromXepian-XenamnoyHydropowerPlantProjectwhichhasthegeneratingcapacityof3x130MWandanyadditionalpowerfromotherpotentialprojectsfromtheSouthernLaoPDR.Theprojectconsistsoftheconstructionofnew500kVtransmissionlinesfromThai/LaoBorder(UbonRatchathani)toUbonRatchathani3(newsubstation)withthedistanceof90kmandrenovationoftherelevanttransmissionsystemwithatotalof440circuit-kilometerlines(inThaiterritoryonly),anewsubstation,andinstallationoftransformersof400MVA.This7,300millionBahtprojectisexpectedtobecompletedin2018.

2. Transmission System Expansion and Renovation Project, Phase 2

Thisprojectinvolvestherenovationandexpansionof19substations,11transmissionlines,andothermiscellaneoussystems.Theprojecthasaninvestmentcostof21,900millionBahtandisscheduledtobecompletedin2015-2017.

3. Transmission System Improvement Project in the Eastern Region for System Security Enhancement

Theprojectconsistsoftheconstructionoftransmissionlineof358circuit-kilometers,2newsubstations,andinstallationoftransformersof4,000MVA.This12,000millionBahtprojectisscheduledforoperationin2019.

4. Bulk Power Supply for the Greater Bangkok Area, Phase 3 (BSB3)

Theprojectcomprisestheconstructionandrenovationof27circuit-kilometertransmissionlines,2newsubstations,installationof4,200MVAtransformers,andvoltagecontrolequipmentof288.0MVAr.Theinvestmentcostofthisprojectis12,100millionBaht.Theprojectisplannedtobeinoperationin2018.

Research and Development In2012,EGATinstigatedtheresearchanddevelopmentroadmaptobeusedasaframeworkinsupportingandpromotingtheresearchforthedevelopmentofgenerationsystemandpowersalestogetherwiththeenvironmentalprotectionwithparticipationofthecommunityandthesustainablewell-beingofthecommunityinthevicinityofEGAT’spowerplants.Atpresenttheroadmapisbeingreviewedbeforetheimplementation.

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The prototype of 1 kW-hydrogen generator developed in the laboratory

The chemical react ion between sod iumborohydr ide and wate r generates hydrogen

EGAThascontinuouslysupportededucationalinstitutions,outsideresearchinstitutions,anditsownresearchanddevelopmentunitintheresearchanddevelopmentprojects.In2012,EGATfunded33newresearchanddevelopmentprojectswhichwere11projectsmorethantheprecedingyear.From2006uptopresent,158researchanddevelopmentprojectshavebeenfundedbyEGATwiththetotalamountof1,001.26millionBaht.

Inaddition,EGATincooperationwiththeThailandResearchFundhasprovidedsupportonaco-fundingbasis.Bythis,morechannelsareprovidedforresearcherstousetheirabilityforthecountrydevelopment.

In2012,21EGAT-fundedprojectswerecompleted.Amongtheseprojectsarethefollowing:

• Development of Photovoltaic Floating Plant with Water Weighted Tracking System

Realizingthatthedevelopmentofphotovoltaicfloatingplantwithwaterweightedtrackingsystemmayhelptosolvetheproblemofinstallationspaceandbelievingthatinstallationofphotovoltaicplantonthewatersurfacewhichhaslowertemperaturethanthegroundsurfacewillhelptoupgradetheefficiencyofthesystemastheefficiencyofthesystemwillbecomelowerwiththehighertemperature,aresearchanddevelopmentonphotovoltaicfloatingplantwithwaterweightedtrackingsystemwasconducted.Theaimoftheprojectwastoprepareamodelofphotovoltaicfloatingplantwithwaterweightedtrackingsystemandtostudytheimpactofthesystem.

Afloatingplantequippedwith30.24kWsolarcellswhichcouldrotateinaccordancewiththedirectionofthesuntogetherwithweightedtrackingequipmentwasdesignedandconstructedbyEGAT.ThetestofthephotovoltaicfloatingplantwasconductedatthereservoirofSrinagarindDaminKanchanaburiProvince.

Fromthetest,itwasfoundthatthesolarcellusingthetrackingsystemcouldproducemoreelectricalpowerthanthefixedinstallationby28percentandhadhigherperformanceratioofapproximately16.86percent.Regardingtheimpactontheenvironment,therewasnoeffectonthewaterqualityintheinstallationarea.Thequalityofthewaterinthereservoirstillcompliedwiththestandardofsurfacewater.

Fromtheresultoftheresearch,EGATwassurethatthephotovoltaicfloatingplantwithwaterweightedtrackingsystemcouldbeeffectivelyusedinanyotherreservoirs,whichcouldreducethelanduseasaninstallationareaaswellastheconstructioncost.

• Development of Sodiumborohydride Production Processes for Hydrogen Generation and Storage Purposes

TheEGAT-fundedR&Dprojectondevelopmentofsodiumborohydrideproductionprocessesforhydrogengenerationandstoragepurposesfocusesonthestudyofthegenerationofhydrogenintheformofsolventanditsstorageatlowpressure,whichissaferandcheaperthanthehigh-pressurestorage.Thisstudycanleadtothedevelopmentofanewsourceinenergyproductioninthefuture.

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Amodelsystemdevelopedinthelaboratorycouldgeneratehydrogenfromthechemicalreactionbetweensodiumborohydrideandwaterwiththeuseofamixtureofcobaltandruthenium-coatedaluminawhichwasalsodevelopedfromthisresearchasareactor.

Itwasfoundthatthesodiumborohydridecouldalsobeproducedfromsodiumhydroxideatnormalpressure.Theresultcanberegardedasanearlystageoffindingappropriatemethodstoproducesodiumborohydrideinalargeamountusinglocalrawmaterials.

ThisprojectisamongseveralR&DprojectssupportedbyEGATinanattempttoacquirenewenergysourceswhichareenvironmental-friendlyandsuitableforthecommunitysoastoprovidethemwithanotheropportunitytolearnandkeepabreastofnewtechnology.

• The Study and Development of Boiler Water Circulation Control Process for Reliability and Optimization Case Study of Mae Moh Power Plant, Unit 11

Theprojectwasastudyandanalysisoftheappropriaterateofwatercirculationinaboilerbymeansofaninvertertocontrolthefrequencyoftheelectricitysuppliedtothemotoroftheboilerwatercirculatingpump(BWCP)tocorrespondtothecirculationofthewaterintheboiler.

TheresultofthestudyofMaeMohPowerPlant,Unit11,canbeappliedwithotherpowerplantstosavetheenergyinthepowerproductionprocess.

• Development of Condition-Based Maintenance for Calcium Carbonate Slurry Pump in Flue Gas Desulfurization System at Mae Moh Power Plant, Units 4-7

Presently,twodesulfurizationsystemsareavailableatMaeMohPowerPlant,Units4-7.AsystemisforuseofUnits4-5,andtheotherisforUnits6-7.Intheoperation,calciumcarbonateissuppliedtotheburningsystemtocausereactionwithsulphurdioxidebythe24-houroperationofthecalciumcarbonateslurrypumptopreventthehardeningofcalciuminthe2kmlongtube.Itwasfoundthattheamountof200cubicmetersperhourofcalciumcarbonatecomingfromthepumpandreturningtothestoragewasexcessiveandrequiredalotofenergy.Moreover,motorpumptripsoccurredseveraltimesresultinginthereducedstabilityoftheproductionsystem.

Theresultofthestudyrevealedthattheinstallationofaninverterandcontrolequipmentcouldsave1,613,529kWh/yearwhilereducingthecarbondioxideemissionfromtheenergyproductionprocessby936ton/year.Moreover,themotorpumptripproblemcouldbereduced.Theinvertercouldcontributetothesoftstartofthecalciumcarbonateslurrypumpandreduceitsmaintenancecost

Theresultofthestudycanbeappliedwithothercalciumcarbonateslurrypumpswhichhavesimilarworkingprocess.