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1、DepartmentforEnergySecurity&NetZeroElectricityGenerationCosts2023FirstpublishedAugust2023;updatedNovember2023OGLCrowncopyright2023ThispublicationislicensedunderthetermsoftheOpenGovernmentLicencev3.0exceptwhereotherwisestated.Toviewthislicence,visitnationalarchives.gov.uk/doc/ODen-government-licence/
2、VerSion/3orwritetotheInformationPolicyTeam,TheNationalArchives,Kew,LondonTW94DU,oremail:DSinationalarch；ves.qsi.qov.uk.Wherewehaveidentifiedanythird-partycopyrightinformationyouwillneedtoobtainpermissionfromthecopyrightholdersconcerned.Anyenquiriesregardingthispublicationshouldbesenttousat:aeneratio
3、ncostseneravsecuritv.aov.ukContentsAcronymglossary5Introduction7Section 1: HowIevelisedcostsarecalculated10Section 2: Changestogenerationcostassumptions12Renewabletechnologies12Onshorewind&solarPV12Offshorewind14TheCrownEstateLeasingRound414FloatingOffshoreWindandTidalStreamresearch15Non-renewablete
4、chnologies17Hydrogen-firedCCGTs17EnergyfromWaste&AdvancedConversionTechnologies18PowerCCUSandpowerBECCS18Nucleartechnologies18Cross-cuttingassumptions19Fuelcosts&gatefees19Carbonprices19BalancingServicesUseofSystem(BSUoS)charges19Deflatorassumptions20Fuelemissionsfactors20Heatrevenues20Howthedepartm
5、entusesgenerationcostdatainmodelling211.evelisedcostsaresensitivetotheassumptionsused211.evelisedcostsarenotstrikeprices22Section 3: Generationcostestimates24Projectscommissioningin202524Projectscommissioningin203026Projectscommissioningin203528Projectscommissioningin204030Comparisonbetweentechnolog
6、iesovertime33ElectricityGenerationCostsReport2023ComparisontopreviousIevelisedcostestimates33Section 4: Peakingtechnologies36AcronymglossaryACTAdvancedConversionTechnologiesADAnaerobicDigestionASPAdministrativeStrikePriceBECCSBioenergywithCarbonCaptureandStorageB日SDepartmentforBusiness,EnergyandIndu
7、strialStrategyBSUoSBalancingServicesUseofSystemCCGTCombinedCycleGasTurbineCCUSCarbonCaptureUsageandStorageCfDContractforDifferenceCHPCombinedHeatandPowerCPFCarbonPriceFloorCPSCarbonPriceSupportDSRDemand-SideResponseEEPEnergyandEmissionsProjectionsEfWEnergyfromWasteEUETSEuropeanUnionEmissionsTradingS
8、ystemFiTFeed-inTariffFOAKFirstofaKindHHVHigherHeatingValuekWKilowattkWhKilowatt-hourLCOELevelisedCostofElectricityLHVLowerHeatingValueMWMegawattMWhMegawatt-hourNOAKNthofaKindNPVNetPresentValueOCGTOpenCycleGasTurbineO&MOperationsandMaintenancePPAPowerPurchaseAgreementPVPhotovoltaicWRAPWasteandResourc
9、esActionProgrammeIntroductionElectricitygenerationcostsareafundamentalpartofenergymarketanalysis,andagoodunderstandingofthesecostsisimportantwhenanalysinganddesigningpolicytomakeprogresstowardsnetzero.Thisreport,producedbytheDepartmentforEnergySecurityandNetZeropresentsestimatesofthecostsandtechnica
10、lspecificationsfordifferentgenerationtechnologiesbasedinGreatBritain.Sincethedepartmentslastreport,BEISElectricityGenerationCosts(2020) BElS Electricity Generation Costs (2020) eneration-costs-2020,wehaveupdatedkeyassumptionsthatunderlieouranalysis.Thedepartmenthas: Commissionedanexternalproviderin2
11、020toreviewassumptionsforonshorewindandlarge-scalesolarphotovoltaic(PV). Commissionedanexternalproviderin2020toreviewassumptionsforEnergyfromWaste(EfW)andAdvancedConversionTechnologies(ACT),includingwithCombinedHeatandPower(CHP). Commissionedanexternalproviderin2023toreviewassumptionsforFloatingOffs
12、horeWind(FOW)andTidalStreamEnergy(TSE). Collectedevidenceoncostsforhydrogen-firedcombinedcyclegasturbines(H2CCGT). Updatedothercross-cuttingassumptions,suchasfuelcosts,gatefeesandcarbonprices.Allotherassumptionsremainthesameasinthe2020reportunlessotherwisestated.Inthisreportweconsiderthecostsofplann
13、ing,construction,operation,andcarbonemissions,reflectingthecostofbuilding,operatinganddecommissioningagenericplantforeachtechnology.Potentialrevenuestreamsarenotconsidered,exceptforheatrevenuesforCHPplants(seesection3).MostcostsinthisreportarepresentedasIevelisedcosts,whichisameasureoftheaveragecost
14、perMWhgeneratedoverthefulllifetimeofaplant.Allestimatesarein2021realvaluesunlessotherwisestated.1.evelisedcostsprovideastraightforwardwayofconsistentlycomparingthecostsofdifferentgeneratingtechnologieswithdifferentcharacteristics,focusingonthecostsincurredbythegeneratoroverthelifetimeoftheplant.Howe
15、ver,thesimplicityofthemeasuremeansthattherearefactorswhicharenotconsidered,includingatechnologysimpactonthewidersystemgiventhetiming,location,andothercharacteristicsofitsgeneration.Forexample,aplantbuiltalongdistancefromcentresofhighdemandwillincreasetransmissionnetworkcosts,whilea,dispatchable,plant(onewhichcanincreaseordecreasegenerationrapidly)willreducethecostsassociatedwithgridbalancingbyprovidingextrapowerattimesofpeakdemand.Ananalysisoftheimpactofthesewider,enhancedIevelisedcostswerepresentedinour2020report.Generationcost
