欧洲电力行业联盟欧盟水电：通过大规模提供灵活性确保供应安全（英）

eurelectric EUHydropower: Ensuringsecurityofsupplyby providingflexibilityonalargescale 3mainhydropowerplanttypes Run-of-riverhydropower: Channelthewaterofariverthroughturbines,andthus,supplyacontinuousamountofelectricitylinkedtotheriver'sdischarge.However,theseplantscanprovideflexibilityservices inacertainrange. Reservoirhvdropower: Accumulatewatercuringperiocsofaoundance.Thesestratedicwaterreservesenableoptimisedoperationforcurationsrangingfromweeksuptoavear,irrespectiveofprevailing naturaldischargeconditions.Conseguently,reservoirhydropowerstandsasthepredominant renewablesourceofflexiblepowergeneration.addressingshort.medium,andlong-term flexibilityrequirements Pumpedstoragehydropower:Provideelectricitystoragebyutilisingwaterwhichiscycledbetweenalowerandupperreservoir.Duringperiodsofsurpluspower,pumpsactasflexibleabsorbers,liftingwatertothe upperreservoir.Converselywhenelectricitydemandpeaks,waterisreleasedfromtheupper reservoir,facilitatingflexibleelectricitygeneration.Thestoragecapacityvariesdependingonthesystem'ssizerangingfromshort-fermtolong-term,potentiallyspanningseveralmonths. Inmanyhydropowerschemesthesedifferentplanttypesarestrategicallycombinedandoperated'toharnessthemaximumenergyoutputfromtheavailablewaterwhilekeepingtheenvironmentalimpacttoaminimum. Pumpedstorage hydropower Reservoir hydropower Run-of-river ©OesterreichsEnergie OOesterreichsBnergie, hydropower C Ciernyvah(Slovakia]. PumpedStorageHP Investmont: 173million Yeerofccmpleticn: 2030 Capacily:735Mw +70MW(10%) Derails: Toincreasetheflexibilityof anexistingpumpedstorageHP,twoofsixunitswillbeupgradedtovariablespeedtechnologyandhybridised withbatterystorage. FlexiblegenerationandstoragecapacityisincreasingalloverEurope MaurangerIIl(Norway) ReseryoirHp Invostmont: 3.8bn YeErocompletionPhase1:2030Phase2:2Q40 Capacity:29Mw Phase1:+300Mw(100%) Phase2:+300Mw(100%) Details: Bymakingthemostoutofanexistingreservoir,anoperatingHPisextendedbyanewone, triplingtheflexiblecapacity. Rengard[Sweden)- ReservoirHP Investment: 100million Yearcafcompe-ion: 2024 Capecity:36Mw +35MW(100%) Datails: Byaddinganotherturbine,thecapacityofanexistingHPwasdoubled, resultingingreater flexibilityoftheplantitself anddounstreamones. Kihtaill[Austria]-Resarvoir andpumpedstorageHP nvcstmont: 1.1bn Yearofcornpletion: 2026 Capacily: +130MW Deteis: Inadditiontoareservoirwithnaturalinflow,angu pumpedstorageHPis beingbuiltandintegratedintoanexistingHP scheme. FradesIl(Portugal) PumpedStorageHP Yaarcfcompc-io1: 2017 Capecity: MW66L+ Delals Byutilisingexistingreservoirsandemployingvariablespeedtechnology. thenewpumpedstorage HPcanmeetflexibilityrecuirementsbothin generatianandpumping mode. Limbergl[Austnia] PumpedStarageHP Invcstmont: 500million Yesrofcon'pleticr: 2025 Capacily: +480MW Derails: AnexitingschemeofreservoirandpumpedstorageHPsisextended byanepumped storageHPdaublingthepumpingcapacity. whilepublicsupportmechanismscanprovideshort-termsignalsandcatalyseessential long-terminvestmentsinhydropower,theymustalignwithexistingregulations,applyingfornewandexistingassetsandallowingflexibleplantstomaximisetheirincomesonvarious markets. C 5Essentialcallstoenhancehydropowerflexibility Recognisethediversityofhydropower-run-of-river,reservoirandpumpedstorageplants providingflexiblerenewableelectricitygenerationandstoragetoensureanefficientand reliablepowersystemfordecades. Tofullyexploitthepotentialofhydropower,atechnology-neutral,stableregulatoryenvironmentisneededtostrengthenconfidenceofplantowners,operatorsandinvestors. fiscrucialthatfuturemarketinterventionsareavoided,andmarketprinciplesmaintainedtaenableefficientdispatchandstorageofelectricifyti.e.,flexiblesourcesareactivatedwhen theyofferthegreatestvaluetotheelectricitysystem]. SwiftimplementationoftheprovisionsintheCleanEnergyPackageandElectricityMarket Designwillcontributetoanaccurateassessmentofdifferentflexibilityneeds,long-termvisibilityforinvestmentsandincentivestofostermoreparticipationofflexibilityservices. References: EuropeanCommission,CcmmissiorStaffworkingDocument.ImplementingtheREPowerELActisn:EUR:-52022S00230-EN-ElR-Lex leuroe.sJ: sustairsble,justndprosperousscciety,limpartAssessimentReportFartll:hllpesr:.eurooesrehmr= 1oc-95d9-0aa/5oda1.0001.02iL0s6format-FL: 3FurcpeanCommission,vointResearchCentre,Kooen,D.,DeFelice,M.B.isch,s.FiexiolityreruirementsandtherclefstcrageinfutureEgroriegrpcwersysters.jblicationsOficeoftheEurooeenUnicr.2023.htps://cate.eurcpa.euidoi/10.2760/384443: Photocredits: Graphichydropowerplanttypos-OosterrcichsEncrgic MaurangerIl-StatkraftFradesII-EDP Rengird-SkellefteaKraft LirnbergIIVERBUND KuhtaiII-TIWAG CiernyVah-Slovenskeelektrarne Contact: AdrianLINLERMUIHAdvisorllydropower&SociaSustairability alinderruthoeurelectric.org