Inkqubo yebhetri ye-1000 kWh kufuneka isetyenziswe xa iipateni zemfuno yamandla kwiziko lakho, ulwakhiwo lweendleko, kunye neemfuno zokusebenza zithethelela utyalo-mali{1}}ngokwesiqhelo kwiziza zorhwebo nezoshishino ezidla ama-200-}500 kW rhoqo, amaziko afuna ukomelela kogcino lwamandla, okanye imisebenzi elandela amaqhinga okunciphisa imfuneko ephezulu. Isigqibo sixhomekeke kwizinto ezintathu eziphambili: ubume bezinga lombane wakho, iprofayili yokusetyenziswa kwamandla kwansuku zonke, kunye nokufumaneka kwamathuba okuvelisa ingeniso ngeenkonzo zegridi.
Ukuqonda isikali sebhetri ye-1000 kWh
I-1000 kWh (okanye i-1 MWh) inkqubo yogcino lwamandla ebhetri imele into eluncedo{2}}isikali okanye ufakelo olukhulu lwentengiso, ngokwesiseko olwahlukileyo kwiibhetri zendawo yokuhlala. Lo mthamo unganika amandla amandla angama-200 kW iiyure ezintlanu eziqhubekayo okanye unikeze i-100 kW yonikezelo olungaphazanyiswayo iiyure ezilishumi. Inkqubo ngokuqhelekileyo ifika ihlanganiswe kwi-20-foot okanye i-40-foot-container yezindlu ze-lithium iron phosphate (LFP) iimodyuli zebhetri, iinkqubo zokuguqula amandla, iinkqubo zokulawula ibhetri, ulawulo lwe-thermal, kunye nezixhobo zokukhusela.
Ulungelelwaniso lwesibini oluqhelekileyo 500-1000 kW yomthamo wamandla kunye ne-1000 kWh yogcino lwamandla, idala into ebizwa lishishini yi-2-yeyure ukuya kwi-4-iyure yenkqubo yexesha elide. Eli xesha-umlinganiselo womthamo wamandla kumthamo wamandla-umisela ukuba ibhetri inokuphuma ixesha elingakanani kumandla ayo alinganisiweyo phambi kokuphelelwa.
Iimeko zemarike zangoku ngo-2024{2}}2025 zibonisa i-1 MWh iinkqubo zebhetri ze-lithium-ion ezixabisa malunga ne-$110,000 ukuya kwi-150,000 yeedola, kunye neendleko zebhetri ezibetha irekhodi elisezantsi le-$115 kWh nganye. Oku kubonisa ukuhla kwexabiso le-20% ukusuka kumanqanaba ka-2023, okuqhutywa kukuvelisa ngokugqithisileyo, iindleko ezisezantsi zemathiriyeli ekrwada, kunye nemfuno ethambileyo yesithuthi sombane esiqondisa amandla emveliso kwindawo yokugcina emileyo.
Uninzi lweenkqubo zisebenzisa i-LFP chemistry ngenxa yeprofayili yokhuseleko oluphezulu, ubomi bomjikelezo owandisiweyo (ngokuqhelekileyo i-3,000 ukuya kwi-6,000 imijikelezo kwi-80% ubunzulu bokukhutshwa), kunye noluhlu lweqondo lokushisa. Ubomi boyilo bufikelela kwiminyaka eyi-10-15 ngolawulo olululo lwe-thermal, nangona ukusebenza kokwenyani kuxhomekeke kakhulu kwiipateni zokusetyenziswa, iimeko ezingqongileyo, kunye neeprothokholi zolondolozo.
Iimeko zeNgxowa-mali yeMbango
Eyona meko inyanzelisayo yokusasazwa kumaziko ebhetri ayi-1000 kWh ekuncitshisweni kwentlawulo yemfuno ephezulu kumaziko orhwebo kunye noshishino. Iindleko zemfuno yezinto ezisetyenziswayo{2}}imirhumo esekwe kowona setyenziso luphezulu lwamandla ngexesha lokuhlawula{3}}inokubandakanya i-30-70% yeendleko zombane zizonke kubasebenzisi bamandla amakhulu.
Izixhobo zokuvelisa, amaziko eenkcukacha, iindawo zokugcina izinto ezibandayo, kunye namaziko okusasaza ahlala ejongene neentlawulo zemfuno yenyanga ukusuka kwi-$ 10 ukuya kwi-$ 50 nge-kW nganye. Isibonelelo esinemfuno ephezulu ye-1 MW ehlawula i-$20/kW ijongene ne-20,000 yeedola kwiintlawulo zemfuno zenyanga kuphela. Ukusebenzisa inkqubo yebhetri engama-500 kW/1000 kWh ukucheba loo ncopho ngama-300 kW konga i-$6,000 ngenyanga, okanye i-$72,000 ngonyaka.
Umda wezoqoqosho ngokuqhelekileyo ubonakala xa izibonelelo zihlangabezana nale miqathango: amatyala ombane wenyanga adlula i-50,000 yeedola, iintlawulo zemfuno eziquka ngaphezu kwe-40% yeendleko zizonke, amaxesha aqikelelweyo afunekayo (ngokuqhelekileyo iiyure ezi-2-4 yonke imihla), kunye nemilinganiselo yezakhiwo ezinikezela ubuncinane i-$ 15 / kW yeentlawulo zemfuno.
Amaxesha entlawulo yezicelo zokucutha intlawulo aqhele ukususela kwiminyaka emi-3 ukuya kwemi-6 ngaphandle kwenkuthazo. Intlawulo yeRhafu yoTyalo-mali yomanyano okwangoku ibonelela ngetyala le-30% kwiinkqubo zokugcina ezifanelekileyo, iphucula kakhulu uqoqosho lweprojekthi kunye nokunciphisa intlawulo ukuya kwiminyaka eyi-2-4 kwiimeko ezininzi.
Ixesha-lokusebenzisa{1}}(TOU) ireyithi yezakhiwo idala amathuba awongezelelweyo wokubamba ixabiso. Izixhobo zingatshaja iibhetri ngexesha lokucinywa{3}}kwamaxesha ombane xa umbane uxabisa i-$0.05{7}}0.08 nge-kWh nganye, emva koko uphume ngeeyure eziphakamileyo xa iireyithi zinyuka ziye kwi-$0.20{8}}0.35 nge-kWh nganye. Eli thuba le-arbitrage libaluleka kakhulu kwiimarike ezinencopho ebalulekileyo-ukuya-kwincopho yokwahluka kwamaxabiso adlula i-$0.15 ngekWh nganye.
Ixesha lokudityaniswa kwamandla ahlaziyekayo
Abanini benkqubo yeSolar photovoltaic baye bafaka iibhetri ze-1000 kWh ukwandisa ukuzisebenzisela kunye nexesha lokuthatha{2}}ixabiso elitshintshiweyo ukusuka kwisizukulwana esivuselelekayo. Isigqibo sokusasazwa sixhomekeke kwizinto ezininzi zobugcisa kunye nezoqoqosho ezikhethekileyo kwilanga{4}}kunye-nolungelelwaniso lokugcina.
Co-indawo enezintlu zesola yenza ukuba iindleko ekwabelwana ngazo zeziseko ezingundoqo{1}indawo enye yoqhagamshelo, izixhobo zesikhululo esingaphantsi, kunye nenkqubo yokuvumela iinkonzo zombini ii-asethi. Iiprojekthi eziceba i-500 kW ukuya kwi-1 MW yofakelo lwesola kufuneka zivavanye ukusasazwa kwebhetri ngaxeshanye, njengoko ugcino ngokutsha ludala iindleko ezingaphezulu kwe-15-25% ngenxa yezobunjineli ezongezelelweyo, imvume, kunye nohlengahlengiso lwezixhobo.
Iprofayile yemveliso yelanga imisela ubungakanani obufanelekileyo bebhetri. Uluhlu lwelanga lwe-1 MW DC luvelisa imveliso yelanga eyi-4-yeeyure ezi-6 ngosuku luvelisa malunga ne-5 MWh ngeentsuku zemveliso. Ukudityaniswa nokugcinwa kwe-1000 kWh kwenza ukuba kubanjwe i-20% yemveliso yemihla ngemihla yokukhupha ngokuhlwa, ngokufanelekileyo ukunciphisa ukuxhomekeka kwegridi kunye neentlawulo zemfuno ngexesha lamaxabiso aphezulu.
Iimeko zentengiso ngo-2024-2025 zithandeka ngakumbi kwilanga{2}}kunye-nokubekwa kwindawo yokugcina. Amaxabiso ebhetri afikelele ezantsi ngokwembali ngelixa iindleko zezixhobo zesola zihleli zizinzile, zicutha umsantsa weendleko phakathi kwesola{8}}kuphela kunye neenkqubo ezihlanganisiweyo. I-30% ye-ITC ye-federal isebenza kwiindleko zenkqubo edibeneyo xa iibhetri zihlawulisa ubuncinane i-75% ukusuka kwisiza solar, ukudala inzuzo enkulu yerhafu.
Amazwe angenazo iinkqubo zokulinganisa umbane -apho izinto eziluncedo azibuyekezi ugqithiso lwesola ethunyelwe ngaphandle kwigridi{1}yenza ugcino lwebhetri lubaluleke ngokoqoqosho kunokuba lukhethe. IHawaii, iNevada, kunye neenxalenye zaseCalifornia ziye zawasusa okanye zawanciphisa kakhulu amakhredithi okulinganisa emitha, okuthetha ukuba imveliso yelanga egqithileyo yasemini inexabiso elincinane ngaphandle kogcino ukuya kwixesha{3}}hambisa la mandla ukuya kwiiyure zangokuhlwa.
Umngcipheko wokunciphisa kwakhona uqhuba izigqibo zokusasazwa kokugcinwa. Xa ukungena kwelanga kwiisekethe zokusasazwa kwendawo kudlula i-30-}40%, izinto ezisetyenziswayo zinokunciphisa ukuvunywa koqhagamshelo okanye zifune ukucuthwa ngexesha lesizukulwana esingaphezulu. Ugcino lwebhetri lwenza ukuba kuthathwe imveliso ebinokuthi imoshwe, igcine uqoqosho lweprojekthi xa ukucuthwa kunyanzelekile.
Amathuba eNgeniso yeeNkonzo zeGridi
Usasazo olukwinqanaba eliphezulu lulandela iindlela ezininzi zengeniso ngaphaya{0}}kwizicelo zesayithi ngokuthatha inxaxheba kwiimarike zombane kunye neenkqubo eziluncedo. Oku kufuna iinkqubo zolawulo lwamandla ezinobunkunkqele kunye nokuqonda izakhiwo zemarike zengingqi.
Iinkonzo zolawulo lwamaxesha amaninzi zihlawulela iibhetri zohlengahlengiso olukhawulezayo lwamandla okugcina uzinzo lwegridi. Iimarike ezifana ne-PJM, i-CAISO, kunye ne-ERCOT zihlawula iintlawulo zomthamo ngokufumaneka kunye neentlawulo zamandla zokuthunyelwa ngokwenene. Ibhetri eyi-1 MW/1 MWh ingafumana i-$50,000-150,000 ngonyaka kulawulo lwamaza, nangona ukugcwala kweemarike kwezinye iingingqi kucinezele amaxabiso ukusuka kumanqanaba aphezulu.
Iinkqubo zokuphendula kwiimfuno zibonelela ngeentlawulo zokunciphisa ukusetyenziswa ngexesha leziganeko zoxinzelelo lwegridi. Amaziko orhwebo ane 500+ amandla e-kW angathabatha inxaxheba, afumana i-$25-75 kW ngonyaka ngokuzibophelela kunye neentlawulo zamandla ngexesha lemisitho. Ibhetri ye-1000 kWh yenza ukuba uthathe inxaxheba ngaphandle kokuphazamisa ukusebenza, ukuthumela amandla agciniweyo xa ebizwa kunokunciphisa izixhobo zokuvelisa.
Iimarike zesakhono kwiingingqi ezifana ne-PJM kunye ne-ISO-NE zihlawula iijenereyitha zokugcina umthamo okhoyo. Iisistim zogcino lwebhetri zikhawulelana neemfuno zobude bexesha (ngokwesiqhelo 2-iiyure ezi-4) zifanele ukuhlawulwa umthamo we-$30-150 nge-kW ngonyaka, ibonelela ngengeniso nangexesha lokungathunyelwa.
Ukuphumelela kwezoqoqosho kwiinkonzo zegridi kuxhomekeke kakhulu kwindawo. Amaxabiso emarike eTexas ERCOT abonise ukuguquguquka okubonakalayo ngo-2024, ngamaxabiso athengisayo ukusuka kumaxabiso angalunganga ngexesha elingaphezulu-ixesha lesizukulwana ukuya kwi $5,000/MWh ngexesha leziganeko zokunqongophala. Iimarike zaseCalifornia zeCAISO zibonise i-61% yezinto eziluncedo{7}}ezibekwe kwisikali esigxile eCalifornia naseTexas ngenxa yeemeko ezivumayo zemarike.
Nangona kunjalo, intatho-nxaxheba yemarike ifuna ubunakho bokusebenza obuphucukileyo. Ixesha lokwenyani-lwenkqubo yesoftware, ubuchwephesha bokubhida kwimarike, kunye neziqinisekiso zokusebenza zidala ukuntsonkotha kokusebenza okungafanelekanga kuncedo oluninzi lwentengiso. Iqela lesithathu -i-aggregators yeqela liyanda ukunika izisombululo ze-turnkey, ukulawula intatho-nxaxheba yemarike kunye nokulungiswa kwengeniso ngelixa ubonelela ngeentlawulo eziqinisekisiweyo kubanini-asethi.
Umnqophiso{0}}IiMfuno eziBalulekileyo zaMandla zokuGcina
Amaziko afuna imisebenzi engaphazanyiswa ngenxa yokhuseleko lobomi, imfezeko yedatha, okanye uqwalaselo lokuqhubekeka kwemveliso kufuneka luvavanye iinkqubo zebhetri ze-1000 kWh njengemithombo yamandla esisiseko okanye eyongezelelweyo eyongezelelweyo.
Amaziko eenkcukacha adla ngokufuna i-N{0}} ukungafuneki, nto leyo ethetha ukuba umthamo wogcino-nkcukacha ugqithise kwincopho yemfuno. Iziko ledatha le-500 kW linokusasaza umthamo we-UPS oyi-750 kW kunye ne-backup yejenereyitha. Ukongeza i-500 kW/1000 kWh ibhetri ibonelela ngeeyure ezi-2 zogcino olupheleleyo-lomthwalo ogcweleyo, ixesha lokuqalisa ibhuloho yejenereyitha kunye nokubonelela ngococeko, {9}amandla okuphendula akhawulezayo kuneejenereyitha zedizili eziqhelekileyo.
Amaziko okhathalelo lwempilo ajongene neemfuno zolawulo lwamandla kaxakeka kodwa aye afuna ezinye iindlela ezicocekileyo kunezinye iijenereyitha zedizili. Imithwalo ebalulekileyo yesibhedlele idla ngokuba yi-300-800 kW, isenza iisistim ze-1000 kWh zibe ubukhulu obufanelekileyo kumagumbi otyando, izixhobo ze-ICU, kunye neziseko ezingundoqo ezibalulekileyo. Iisistim zebhetri zibonelela ngempendulo ekhawulezileyo xa kuthelekiswa ne-10-15 yexesha lokudlulisela i-generator yesibini, ukuphelisa ukuphazamiseka okunokuba yingozi kwamandla.
Izixhobo zokuvelisa ezinovakalelo lwemigca yemveliso kwimiba yobulunga bamandla zisebenzisa iibhetri ukuze zikhwele{0}}ngobuchule ngexesha lokuchithwa kwamandla ombane kunye nokucima okomzuzwana. Ukwenziwa kwe-semiconductor, imveliso yamachiza, kunye nenkqubo eqhubekayo yamashishini ajongene neendleko ze-50,000-500,000 yeedola ngokuphazamiseka kwemveliso, okwenza utyalo-mali lwamandla okulondolozayo lunyanzelise ngokwezoqoqosho.
Isakhelo sesigqibo sithelekisa ugcino lwebhetri ngokuchasene nejenereyitha yemveli{0}esekwe kugcino. Iindleko zokuqala ziphantse zilingane{2}}ne-1000 kW inkqubo yejenereyitha yedizili enokutshintsha okuzenzekelayo kubiza i-$150,000-250,000 ngelixa inkqubo yebhetri enokuthelekiseka iphakathi kwe-$200,000-300,000. Nangona kunjalo, ukungafani kweendleko zokusebenza kubaluleke kakhulu.
Iinkqubo zebhetri zisusa iindleko zepetroli, zifuna ukugcinwa okuncinci (i-2-5% yeendleko zenkqubo ngonyaka ngokubhekiselele kwi-5-10% yeejeneretha), ukuvelisa ukukhutshwa kwe-zero, kunye nokubonelela ngamaxesha okuphendula ngokukhawuleza. Amaziko eCarlifonia nakwamanye amazwe anemigaqo engqongqo yomgangatho womoya ajongene nobunzima obukhulayo bokuvumela ubunzima beejenereyitha zedizili, ukwenza ugcino lwebhetri lube nomtsalane ngakumbi ngokunqanda imithwalo yolawulo.
Izicelo zokuqina zikhetha iinkqubo-zexesha elide. Ngelixa uninzi lwegridi-yeebhetri zesikali zilungiselela iiyure ezi-2 ukuya kwezi-4, amaziko afuna isakhono sogcino olwandisiweyo kufuneka avavanye iisistim zeyure ezi-4-8 ezidibanisa umthamo wamandla amakhulu kunye nokulinganiswa kwamandla aphakathi. Ulungelelwaniso lwe-500 kW/2000 kWh lubonelela ngeeyure ezi-4 zogcino, olulungele izibonelelo ezikwiindawo ezithanda ukucima okongeziweyo okuvela kwiinkanyamba, imililo yasendle, okanye ukungazinzi kwegridi.
Izicelo zoShishino nezeMveliso
Amaziko amakhulu okuvelisa amele abagqatswa abafanelekileyo bokusasazwa ngenxa yokusetyenziswa kwamandla aphezulu, iintlawulo zemfuno ebalulekileyo, kunye nokuguquguquka kokusebenza kwezicwangciso zokulawula umthwalo.
Izibonelelo ezinezixhobo ezinzima okanye imithwalo yenkqubo edala i-spikes yemfuno kufuneka ithathele ingqalelo ukusasazwa kwebhetri xa iintlawulo zemfuno zenyanga zidlula i-10,000 yeedola kwaye iiprofayili zomthwalo zibonisa amaxesha e-2-4 encopho yeyure. Iivenkile zokwenza isinyithi, ukwenziwa kweeplastiki, iindawo zokulungisa ukutya, kunye nezixhobo zokudityaniswa kweemoto zidla ngokubonisa ezi mpawu.
Ukuguquguquka kocwangciso lwemveliso kwenza izicwangciso zokusetyenziswa kwebhetri ezintsonkothileyo. Amaziko angashenxisa{1}}imithwalo engabalulekanga ukuba ayeke{2}}amaxesha aphezulu, esebenzisa iibhetri ukuvala imisebenzi ebalulekileyo ngeeyure ezixabisa kakhulu. Indawo yokubumba inaliti yeplastiki inokuqhuba imveliso engundoqo ngexesha lelanga lasemini kunye{4}} namaxesha aphezulu, kusetyenziswa ugcino lwebhetri ukunika amandla iinkqubo ezincedisayo ngexesha lesantya esiphezulu.
Imisitho yokuqalisa iimoto idala iingxaki ezingxamisekileyo. Iicompressors ezinkulu, iimpompo, kunye nezixhobo zenkqubo zinokuzoba amandla aphindwe ka-5-10 ngexesha lokuqalisa, zenze iincopho ezimfutshane kodwa ezixabisa kakhulu. Iinkqubo zebhetri ezinamandla okuphendula ngokukhawuleza zinokufaka amandla ngexesha lezi ziganeko zexeshana, zithintele iincopho ezintsha zemfuno ngaphandle kokuchaphazela ukusebenza kwezixhobo.
Izibonelelo zemizi-mveliso ziya zilandela iziqinisekiso zentlawulo yemfuno{0}eqingqwe kwangaphambili ubukhulu bemfuno engaphantsi apho ugcino lugcina ukusetyenziswa. Oku kuvumela uhlahlo lwabiwo-mali oluqikelelweyo lombane endaweni yeencopho zonyaka ezingalindelekanga eziqhuba iindleko. Indawo emisela isiqinisekiso semfuno ye-MW e-1 kunye nebhetri engama-500 kW/1000 kWh inokutsheva incopho ukuya kuma-500 kW kangangeeyure ezi-2, ikhusela kwiihambo ezinemfuno ephakathi.
Ukushisa okudibeneyo kunye namandla (CHP) amaziko axhamla kwisitoreji songeza ukuguquguquka kokusebenza. Iisistim zebhetri zenza ukuba kubanjwe ukuveliswa kwe-CHP engaphezulu, ukugudisa ukuguquguquka kwemveliso, kunye nokubonelela ngomthamo owongezelelweyo ngexesha apho umthamo we-thermal ungathetheleli ukusebenza kwe-CHP. Oku kuphucula uqoqosho lwenkqubo ngokubanzi ngokunciphisa amandla athunyelwa ngaphandle kunye nokwandisa{2}}usetyenziso lwesayithi.
Iingqwalasela zeXesha loPhuhliso lweProjekthi
Ixesha lokusasazwa lichaphazela kakhulu iindleko zeprojekthi, ukufumaneka kwenkuthazo, kunye neenzuzo zokusebenza. Izinto ezininzi zethutyana zinefuthe kwiishedyuli zokusasazwa ezizezona.
Uthungelwano lwendawo emgceni lubaluleke kakhulu kwiiprojekthi ezifuna ulungelelwaniso oluluncedo. Amaxesha okusetyenzwa kwemigca ngoku aphakathi kweenyanga ezili-18-36 kwimimandla emininzi, kunye nolibaziseko olude oluxhaphakileyo kwiimarike zaseCalifornia naseMntla-mpuma. Ukwandiswa kocwangciso lwezibonelelo kufuneka kuqalise izifundo zoqhagamshelo kwiminyaka emi-2 ukuya kwemi-3 phambi kwemihla enqwenelekayo yokusebenza, ngakumbi kwiiprojekthi ezingaphezulu kwe-1 MW.
Iingcamango zekhredithi yerhafu ye-Federal zichaphazela izigqibo zexesha. I-30% yoTyalo-mali lweRhafu yoTyalo-mali kwiinkqubo zogcino lwangoku ludlulela ngo-2032, luze luhle luye kwi-26% kwiinkqubo eziqala ukwakhiwa ngo-2033. Nangona kunjalo, iiprojekthi ezilungele ukufumana iikhredithi zebhonasi -ezikhonza{7}}abahlali abanemivuzo ephantsi, zisebenzisa umxholo wasekhaya, okanye ukubekwa kwiindawo zamandla{8}}zingathatha i-10-20% yekhredithi eyongezelelweyo nokuba kucuthwe kwixesha elizayo.
Iintlawulo kunye nokungaqiniseki kobonelelo ngo-2024-}2025 kudala ubunzima bexesha. Uluhlu lwangoku lwamaxabiso aluwavumeli amacandelo athile ebhetri, kodwa utshintsho olucetywayo lomgaqo-nkqubo lunokunyusa iindleko nge-10-25% ukuba luphunyeziwe. Abaphuhlisi kufuneka bavavanye amaxesha akhawulezileyo ukutshixa amaxabiso akhoyo okanye bathethathethane ngexabiso elimiselweyo leekhontrakthi ze-EPC ezikhusela ekunyukeni kweendleko.
Imijikelo yemeko yezinga losetyenziso inempembelelo ekuhanjisweni kakuhle. Xa izinto eziluncedo zifakela imilinganiselo emitsha yokwandisa iintlawulo zemfuno okanye ukuphumeza iishedyuli ezingamkelekanga kangako ze-TOU, iiprojekthi ezikhoyo zilahlekelwa ngumtsalane wezoqoqosho. Amaziko akwimimandla anokonyuswa kwamazinga okucwangcisiweyo kufuneka akhawulezise ukusasazwa komsebenzi ukuze kwandiswe iminyaka yoqoqosho oluncomekayo.
Iindleko zombane zamaxesha athile zichaphazela izibalo zokonga ngonyaka. Ukufaka iibhetri phambi kwamaxesha onyaka aphakamileyo ehlotyeni kumazwe asemazantsi okanye ebusika encochoyi kwimimandla esemantla kwandisa ixabiso lokuqala{1}}lonyaka. Indawo yase-Texas esebenza ngo-Epreli ithatha ixabiso elipheleleyo ukusuka kuJuni{3}}incopho kaSeptemba xa amaxabiso e-ERCOT enyuka, ngelixa ukusasazwa ngo-Okthobha kuphosakele{4}}ixesha eliphezulu lexabiso.
Amalungelo okuthatha inxaxheba kwimarike afuna ukucwangciswa kwangaphambili. Ulawulo lwamaxesha ngamaxesha kunye neemarike zezakhono zihlala zinexesha lokubhalisa kwiinyanga ngaphambi kokuba kuqalwe ukuthatha inxaxheba. I-ERCOT idinga iintsuku ze-60-90 zokufaneleka, ngelixa iifandesi ze-PJM zamandla zenzeka iminyaka emi-3 ngaphambi kweminyaka yokunikezelwa. Iiprojekthi ezilandela ingeniso yeenkonzo zegridi kufuneka ziqalise iinkqubo zokufaneleka kwiinyanga ezi-6-12 phambi kwemihla yokusebenza enqwenelekayo.
Isakhelo soHlahlo lweMali
Ukusetyenziswa kweebhetri ze-1000 kWh kufuna umfuziselo wemali ongqongqo obandakanya zonke iindleko ezifanelekileyo kunye nengeniso yengeniso kubo bonke ubomi beprojekthi.
Iindleko ezinkulu zizonke ziqhele $800,000{18}}1,200,000 ukugqiba i-1 MWh iinkqubo, kuquka iibhetri ($500,000-700,000), iinkqubo zokuguqula amandla ($150,000-250,000), ibhalansi yenkqubo ($100,000-1) nofakelo ($50,000-100,000). Imiba ethile yendawo efana neziseko, iziseko zombane, kunye nemvume inokongeza i-10-30% kwiindleko ezisisiseko.
Iindleko zokusebenza zonyaka ziquka ukugcinwa (2-5% yeendleko ezinkulu), i-inshorensi (1-2% yeendleko ezinkulu), iinkqubo zokubeka iliso nokulawula ($10,000-25,000), kunye nokwandiswa kwebhetri okunokubakho emva kweminyaka emi-5-7 (15-25% yeendleko zokuqala zebhetri). Ukuphathwa kwerhafu yepropati kuyahluka ngokolawulo, kunye namanye amazwe anikezela ukukhululwa kugcino lwamandla ngelixa abanye bevavanya ngexabiso elipheleleyo.
Imithombo yengeniso ifuna umlinganiselo ngononophelo. Ixabiso lokunciphisa intlawulo yebango lilingana nokugcinwa kwemfuno yenyanga ngokuphindaphinda iinyanga ezili-12, ngokuqhelekileyo i-$50,000-150,000 ngonyaka kwiinkqubo ezingama-500 kW. I-arbitrage yamandla ngokusebenzisa i-TOU optimization yongeza i-$ 20,000-80,000 ngonyaka ngokuxhomekeke kwimilinganiselo yemilinganiselo. Iinkonzo zegridi kwiimarike ezisebenzayo zifaka i-$ 30,000-100,000 ngonyaka, nangona ukuhluka okuphezulu kufuna imodeli elondolozayo.
Ulwakhiwo lwenkxaso-mali luchaphazela kakhulu imbuyekezo. Ukuthenga ngemali kuvumela ukubuyisela ngokukhawuleza kodwa kufuna imali eninzi yangaphambili. Ubunini beqela lesithathu -lobunini bombane ngokusebenzisa izivumelwano zokuthenga amandla kususa iindleko zangaphambili kodwa kunciphisa ugcino lulonke ngama-30-50% ngemida yomphuhlisi. Izakhiwo zokuqeshisa zibonelela ngeendlela ezikumgangatho ophakathi, ukurhweba ukonga okuthile ukuze kuxhamle ukuhamba kwemali ngoko nangoko.
Inkuthazo ye-Federal iphucula kakhulu uqoqosho. I-30% ye-ITC inciphisa iindleko ze-capital i-net nge-$ 240,000 - 360,000 kwiinkqubo eziqhelekileyo, ukuphucula i-payback elula ukusuka kwi-8-12 iminyaka ukuya kwi-5-8 iminyaka. Iinkqubo ezithile zikarhulumente ezifana ne-California's SGIP, inkqubo yaseMassachusetts' SMART, okanye inkuthazo yokugcina yaseNew York zongeza i-$100-400 ngekWh nganye, iphucula ngakumbi imbuyekezo.
Imiba yomngcipheko ifuna ukuphononongwa. Ukuthotywa kwebhetri kunciphisa umthamo nge-1{3}}3% ngonyaka, kuncipha ukonga ngokuhamba kwexesha. Utshintsho kwisantya sombane lusenokuphucula okanye lwenzakalise ezoqoqosho{4}ukunyusa intlawulo yemfuno ephucula imbuyekezo yeprojekthi ngelixa uguqulo lwexabiso elithe tyaba lususa imisinga yexabiso lokuqala. Ukuguquguquka kwexabiso lemarike kwiinkonzo zegridi kudala ukungaqiniseki kwengeniso efuna uqikelelo olulondolozayo.
Ukuthelekisa kunye neNqanaba lokuXhobisa eliMnye
Ukuqonda xa iisistim ze-1000 kWh zenza ingqiqo xa zithelekiswa neendlela ezincinci okanye ezinkulu kunceda ekwenzeni izigqibo zokusasazwa.
Amaziko aneemfuno eziphezulu ezingaphantsi kwama-300 kW kufuneka avavanye ngokubanzi iisistim ze-100-500 kWh. Olu fakelo luncinci luxabisa i-$150{12}}400 nge-kWh nganye xa ithelekiswa ne-$800{13}}1,200 nge-kWh nganye kwizixokelelwano zomlinganiselo womsebenzi, ezibonisa uqoqosho lwesikali. Inkqubo ye-250 kWh exabisa i-50,000-75,000 yeedola inika izicelo ezininzi ezincinci zorhwebo ngeendleko ezisebenzayo kunofakelo olunobungakanani be-megawatt-scale.
Ngokuchaseneyo, imisebenzi engaphezulu kwe-2 MW yemfuno ephezulu kufuneka ivavanye iinkqubo ezi-2-5 MWh ezithatha uqoqosho olukhulu lwesikali. Nge-kWh iindleko ziyancipha ukuya kwi-$600-900 kwiinkqubo-zemegawathi ezininzi, ukuphucula uqoqosho lweprojekthi ngokuncipha-kweendleko zeyunithi. Iinkqubo ezisekwe kwisikhongozeli zivumela ukwandiswa kweemodyuli-ukusasazwa kwe-2-4 esemgangathweni ye-MWh e-1 yezikhongozeli zibonelela ngobunzima ngelixa kugcinwa ukusebenza ngempumelelo.
Iimfuno zexesha ziqhuba izigqibo zesakhono ngaphezu kweemfuno zamandla. Izicelo ezifuna 6-8 iiyure zokukhutshwa kufuneka zichaze i-3-4 MWh umthamo odityaniswe namandla angama-500-1000 kW, udala isakhono sokukhupha esandisiweyo. Ngokuchaseneyo, amaziko adinga amandla aphezulu ixesha elifutshane anokusasaza iinkqubo ze-2 MW/1 MWh ezibonelela ngemizuzu engama-30 yokukhupha ilungele uthintelo lwe-spike yemfuno ngaphandle kweemfuno ezongeziweyo zexesha lokusebenza.
Umthamo we-1000 kWh umele "indawo eswiti" kwiinkqubo ezininzi zorhwebo nezilula kwimizi-mveliso, ukulungelelanisa umthamo owaneleyo wempembelelo enentsingiselo kunye neendleko ezilawulekayo kunye nobunzima. Iinkqubo kwesi sikali zilungele ukusetyenziswa{2}}kwexabiso lamaxabiso ngelixa zisahleli zincinci ngokwaneleyo ukuba zivumelane ngokuthe ngqo kunye nofakelo kwiipropati eziqhelekileyo zorhwebo.
Amaziko angaqinisekanga malunga nobungakanani obufanelekileyo kufuneka enze iprofayili yomthwalo oneenkcukacha, uhlalutya idatha yemizuzu eli-15 yemitha yokuphumla kwiinyanga ezili-12-24. Oku kutyhila iipatheni zokwenyani, iimfuno zexesha, kunye nokwahluka kwamaxesha onyaka okwazisa izigqibo ezichanekileyo zokulinganisa. Abaphuhlisi abaninzi banikezela ngezifundo ezinokwenzeka simahla besebenzisa idatha yemitha yoncedo ukucebisa umthamo ofanelekileyo kunye noqwalaselo.
Iingqwalasela zoLawulo kunye neMvume
Ukusasazwa ngempumelelo kufuna ukujongisisa izikhokelo zolawulo ezintsonkothileyo eziyohluka kakhulu ngokolawulo.
Iimfuno zoqhagamshelo zinyuka kakhulu ngaphezulu kwe-500 kW, zisuka kwiinkqubo{1}}zomkhondo okhawulezayo ukuya kwizifundo zempembelelo eneenkcukacha. Iinkqubo zoqhagamshelo lwejenereyitha encinci zidla ngokufikelela kwi-1-2 MW, okuthetha ukuba iinkqubo ze-MWh ezi-1 zihlala zifaneleka ukujongwa kwakhona. Nangona kunjalo, izithintelo zokusasazwa kwengingqi zinokuvusa uphuculo lwenethiwekhi oluxabisa kakhulu nakwiiprojekthi ezingaphantsi kwe-1 MW, ezifuna uthethathethwano kwangethuba nezixhobo.
Iimvume zokwakha kunye neekhowudi zomlilo zilawula iimfuno zofakelo. I-NFPA 855 ibonelela ngemigangatho yesizwe yofakelo lweebhetri, kodwa amagunya asekuhlaleni aphumeza ukutolika okwahlukileyo kunye neemfuno ezongezelelweyo. Iimfuno ezingqongqo zokhuseleko zaseCalifornia ezilandela umyalelo we-2019 we-Arizona BESS womlilo ophuculweyo wokubona umlilo, iinkqubo zokucinezela, kunye nesicwangciso sokuphendula ngokukhawuleza, ukwandisa iindleko zokufakela nge-10-20% ngokuchasene nelizwe elingaphantsi kolawulo.
Uphononongo lokusingqongileyo lunokuthi luqalise phantsi kwezenzo zobulunga bokusingqongileyo karhulumente okanye imimiselo yendawo. Iiprojekthi ezikufutshane nezamkeli ezinovakalelo zifuna uvavanyo lwempembelelo yengxolo, njengoko iinkqubo zokupholisa kunye nombane wombane uvelisa i-50-70 dBA kwimida yenkqubo. Iingqwalasela zempembelelo ebonakalayo ibalulekile kufakelo olukufuphi nendawo yokuhlala, olufuna ukuhoywa komhlaba okanye ukuhlolwa.
Ulwahlulo lwezowuni lumisela ukusetyenziswa okuvumelekileyo. Izowuni yemizi-mveliso ngokuqhelekileyo ivumela ufakelo lwebhetri ekunene, ngelixa urhwebo okanye usetyenziso{1}}zowuni ezixubeneyo zinokufuna iimvume zokusebenzisa ezinemiqathango. Eminye imimandla ilawula ugcino lwebhetri phantsi kweenkcazelo eziluncedo, iqalisa iimfuno zefranchise okanye ukongamela usetyenziso ngasemva{3}}kwi{4}}nofakelo lweemitha.
Iimvume zokusebenza zezinto ezinobungozi zinokusebenza, ngakumbi kwiinkqubo ze-lithium-ezidlula imida yolawulo{1}}kaninzi yi-50-100 kWh. Oku kufuna izicwangciso zoshishino zezinto ezinobungozi, iiprothokholi zokuphendula ngokukhawuleza, kunye nokuhlolwa konyaka, ukongeza i-$ 5,000-15,000 ngonyaka kwiindleko zokusebenza.
Iimfuno ze-inshurensi zifuna ukuqwalaselwa kwangethuba. Imigaqo-nkqubo yetyala loRhwebo ngokubanzi idla ngokugubungela ufakelo lwebhetri, kodwa ababhali bangaphantsi baye bafuna abakhweli abathile bogcino lwamandla. Iindleko zokujongana ne-3,000-8,000 ye-MW nganye ngonyaka, kunye namazinga aphantsi ekhemistri ye-LFP ngokuchasene ne-NMC ngenxa yeerekhodi eziphezulu zokhuseleko lomlilo.
Imibuzo ebuzwa qho
Kuthatha ixesha elingakanani ukusasaza inkqubo yebhetri ye-1000 kWh?
Gqibezela amaxesha eprojekthi aqala kwi-9-inyanga ezingama-24 ngokuxhomekeke kwiimeko zesayithi kunye nobunzima bolawulo. Ukwenzeka kwangaphambili kunye noyilo lufuna iinyanga ezi-2-3, ukuvunywa koqhagamshelwano kuthatha iinyanga ezi-4-12, ukuvumela ukongeza iinyanga ezi-2-6, kunye nokwakhiwa kunye nokugunyaziswa kweenyanga ezi-2-4. I-Texas kunye nezinye iimarike ezingalawulwayo zibonisa ixesha elikhawulezayo leenyanga ezi-6-12, ngelixa i-California kunye nemimandla edibeneyo edibeneyo ihlala ifuna iinyanga ezili-18-30.
Loluphi ugcino olufunwa yi-1000 kWh inkqubo?
Iisistim zebhetri yeLithium{0}}zifuna ukulungiswa okuncinci xa kuthelekiswa nezixhobo zemveli. Uhlolo lwekota lwendawo luqinisekisa ukusebenza ngendlela eyiyo, uvavanyo lombane lonyaka lujonga uqhagamshelo kunye neenkqubo zokhuseleko, kunye-nohlaziyo lwesoftware lonyaka lugcina ukusebenza kakuhle. Iindleko zokulungisa zizonke ziqhuba i-2-5% yeendleko zenkqubo ngonyaka, okanye i-$16,000-60,000 yofakelo lwe-MWh eyi-1. Uninzi lwabavelisi banikezela ngezivumelwano zenkonzo zeminyaka emi-5 ukuya kweli-10 ezidibanisa ukugcinwa kunye neziqinisekiso zokusebenza.
Ngaba iibhetri ze-1000 kWh zinokuphuculwa okanye zandiswe kamva?
Iinkqubo zemodyuli zivumela ukwandiswa kwamandla ngokuthe ngqo ngokusebenzisa izitya ezongezelelweyo okanye iikhabhinethi. Uncedo olusebenzisa isikhongozeli esinye se-MWh singongeza iyunithi yesibini kamva, ngokusebenzayo ukuphinda-phinda umthamo ukuya kwi-2 MWh. Nangona kunjalo, amandla ombane kunye namandla oqhagamshelo kufuneka avumele ukwandiswa okucwangcisiweyo{4}}ii-inverters ezingaphantsi okanye ukungonelanga komthamo wesiguquli kufuna iiretrofits ezibizayo. Eyona ndlela isebenzayo ibandakanya ukuyila iziseko zombane ze-1.5-2× umthamo wokuqala xa ukwanda kwexesha elizayo kubonakala ngathi kunokwenzeka.
Kwenzeka ntoni xa iwaranti yebhetri iphela?
Uninzi lweebhetri ze-lithium -zithwala iwaranti yeminyaka eyi-15-80% egciniweyo yomthamo ekupheleni{6}{11}}kwexesha. Umsebenzi{12} wewaranti uyaqhubeka nokwehla kancinci komthamo, nangona iinkqubo zihlala zisebenza iminyaka emininzi eyongezelelweyo. Umthamo unokuthotywa ukuya kuma-60-70% ngonyaka wama-20, usabonelela ngenkonzo eluncedo nangona ugcino lwamandla luncitshisiwe. Ukwandiswa kwebhetri-ukongeza iimodyuli ezintsha ukubuyisela umthamo-iindleko malunga ne-40-60% yamaxabiso enkqubo entsha kunye nokwandisa ubomi obuluncedo eminye iminyaka eyi-5-10.
Ukuthatha inyathelo: Uluhlu lwezigqibo
Amaziko kufuneka avavanye ukuhanjiswa kwebhetri eyi-1000 kWh xa ezi meko zilungelelaniswa: iindleko zombane zenyanga ezidlula i-30,000 yeedola, iindleko zemfuno eziquka ngaphezulu kwe-35% yeendleko zizonke, amaxesha emfuno encopho athatha iiyure ezi-2-4 yonke imihla, inkunzi ekhoyo okanye inkxaso-mali ye-800. Ubuncinci beminyaka emi-5 yokuhlala kwindawo eqinisekisa ukufezekiswa kwentlawulo.
Bala ugcino olunokubakho ngokuphinda-phinda unciphiso oluphezulu lwebango (kwi-kW) ngesantya sentlawulo yemfuno ($/kW/inyanga) ngeenyanga ezili-12, ukongeza ukonga amandla arbitrage ukusuka kwibhayisekile yemihla ngemihla ngamaxesha e-TOU. Thelekisa iindleko zizonke ezifakiweyo kuthatyathwe inkuthazo esebenzayo ukumisela ixesha lokubuyisela. Iiprojekthi ezibonisa iminyaka emi-4 ukuya kweyesi-8 imbuyekezo elula ngaphandle kwengeniso yeenkonzo zegridi ngokuqhelekileyo ziqhubela phambili ngokuzithemba, ngelixa iiprojekthi zokubuyisela ixesha elide zifuna ingeniso yenkonzo yegridi okanye ezinye izizathu zobuchule.
Bandakanya abaphuhlisi abaqeqeshiweyo kwangethuba kuvavanyo lokuqala olunokwenzeka kusetyenziswa eyona datha yemitha yosetyenziso. Abaphuhlisi abahloniphekileyo banikezela ngezifundo ezinokwenzeka simahla ezihlalutya i-12-iinyanga ezingama-24 zedatha yekhefu kugcino lweprojekthi, cebisa ulungelelwaniso lwenkqubo, kunye nokubonelela ngoqoqosho lokuqala. Fumana izindululo ezi-3-5 zokhuphiswano zokuqinisekisa amaxabiso omgangatho wentengiso kunye neenkcukacha zenkqubo efanelekileyo.
Okona kubaluleke kakhulu, musa ukulibazisa uvavanyo olusekwe kulindelo lweendleko eziphantsi zexesha elizayo. Ngelixa amaxabiso ebhetri eqhubeka nokuhla, iminyaka yokonga elahlekileyo yokulinda ikholisa ukodlula ukuthotywa kweendleko. Ukudityaniswa kwamaxabiso aphantsi angoku, inkuthazo enkulu yomanyano ukuya kutsho ngo-2032, kunye neenzuzo zokusebenza kwangoko zenza unyaka ka-2024-2025 ube yifestile enyanzelekileyo yokusasaza amaziko ahlangabezana nemigaqo echazwe ngasentla.