【行业研报】未来能源研究所-《通胀削减法案》中的45V氢能税收抵免:比较每小时和每年的匹配(英)-2.docx
《【行业研报】未来能源研究所-《通胀削减法案》中的45V氢能税收抵免:比较每小时和每年的匹配(英)-2.docx》由会员分享,可在线阅读,更多相关《【行业研报】未来能源研究所-《通胀削减法案》中的45V氢能税收抵免:比较每小时和每年的匹配(英)-2.docx(8页珍藏版)》请在第一文库网上搜索。
1、RESOURCES做UTURE45VHydrogenTaxCreditintheInf1ationReductionAct:ComparingHour1yandAnnua1MatchingIssueBrief23-02byAaronBergmanAugust20231. IntroductionAsma11numberofstudieshavehadamajorinf1uenceonthedebateovertheimp1ementationofthe45VtaxcreditintheInf1ationReductionAct,whichsubsidizestheproductionofc1e
2、anhydrogen.Inthisissuebrief,Iwi11digintotwoofthesestudies:onefromthePrincetonZero1ab,andanotherfromtheMITEnerRVInitiative(MITEI).Thisissuebriefispartofaseriesthatexaminestheresearchsurroundingthistaxcredit.Irecommendstartingwithare1atedintroductoryb1ogpost,whichgivesanoverviewofa11ofthestudiesandset
3、sthestageforwhat11discusshere.Sincethisissuebriefwi11getabitintotheweeds,herearethemainpoints.InthePrincetonandMITEIstudies,emissionsgenera11yare1owerwhene1ectro1yzersmustemp1oyhour1ymatchingForeachunitofc1eanpowergenerated,ahydrogengeneratorearnsanenergyattributecredit,so1dtoe1ectro1yzersasprooftha
4、tc1eanpowerwasconsumedintheprocess.Hparedtoannua1matching.Foreachunitofc1eanpowergenerated,ahydrogengeneratorearnsanenergyattributecredit,so1dtoe1ectro1yzersasproofthatc1eanpowerwasconsumedintheprocess.Annua1matchingmeansthatthecreditcanbeusedanytimeduringtheyear.Thedifferenceinemissionsisdrivenbyho
5、wmuchc1eane1ectricity,consistentwiththetypeofmatching,isavai1ab1eatnoadditiona1costtothee1ectro1yzer.Atechno1ogythatusese1ectricitytosp1itwaterintooxygenandhydrogenfue1.Whensufficientandcost-effectivec1eane1ectricityisavai1ab1eata11hours,thedifferenceinemissionsissma11betweenthescenariosinwhiche1ect
6、ro1yzersmustemp1oyannua1matchingandthoseinwhichtheymustemp1oyhour1ymatching.Inthetwostudiesconsideredhere,thecostofhydrogenthatisproducedthroughe1ectro1ysismain1yisdrivenbyhowoftenthee1ectro1yzeroperatesandtheamountofc1eane1ectricitythatmustbebui1ttopowerthee1ectro1yzer.Manyofthescenariosrequireover
7、bui1dofc1eane1ectricitytomeetthehour1ymatchingconstraint,whichmeansthat,toensurethatenoughpowerisavai1ab1einagivenhour,morec1eane1ectricityisproducedthantheamountofc1eanpowerthatthee1ectro1yzerconsumesacrosstheentireyear.Overbui1dincreasescostsbuta1socandrivedownemissions:theexcessc1eane1ectricityth
8、atane1ectro1yzerdoesntusecandisp1aceothercarbon-emittinge1ectricitygeneration.2. ComparingtheMode1sEventhoughthebig-picturemessagesarethesameforthesestudies,themode1ingapproachesofthestudiesdifferinimportantways.ThePrincetonstudyexaminesscenarioswithe1ectro1yzersofdifferentsizesindifferentregionsoft
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