Ɛsɛ sɛ wɔde 1000 kWh batere nhyehyɛe di dwuma bere a wo adwumayɛbea no ahoɔden a wɔhwehwɛ ho nhyehyɛe, ɛka nhyehyɛe, ne adwumayɛ ho ahwehwɛde ma sika a wɔde bɛto mu no fata-taa yɛ ma aguadi ne mfiridwuma mmeae a wɔde 200-500 kW di dwuma daa, adwumayɛbea ahorow a wɔhwehwɛ ahoɔden a wɔde bɛbɔ ho ban a wɔde gyina ano, anaa adwumayɛ a edi akwan a wɔfa so tew ka a wɔhwehwɛ kɛse akyi. Gyinaesi no gyina nneɛma atitiriw abiɛsa so: wo anyinam ahoɔden dodow nhyehyɛe, ahoɔden a wode di dwuma da biara da, ne hokwan ahorow a ɛbɛma woanya sika denam anyinam ahoɔden nhyehyɛe so.
Nteaseɛ a ɛfa 1000 kWh Battery Scale ho
Batere ahoɔden akoraeɛ nhyehyɛeɛ a ɛyɛ 1000 kWh (anaasɛ 1 MWh) gyina hɔ ma mfasoɔ-scale anaa aguadiɛ kɛseɛ a wɔde si hɔ, a ɛsono no titire wɔ batere a ɛwɔ atraeɛ ho. Saa tumi yi tumi ma adesoa a ɛyɛ kW 200 ahoɔden nnɔnhwerew anum a ɛkɔ so anaasɛ ɛma ahoɔden kW 100 a entwa mu nnɔnhwerew du. Nhyehyɛe no taa ba a wɔaka abom wɔ ade a ne tenten yɛ anammɔn 20 anaa anammɔn 40 a ɛwɔ lithium iron phosphate (LFP) batere module, tumi nsakrae nhyehyɛe, batere nhyehyɛe nhyehyɛe, ɔhyew sohwɛ, ne ahobammɔ nnwinnade.
Nsiesiei a wɔtaa yɛ no de ahoɔden tumi a ɛyɛ kW 500-1000 ne ahoɔden a wɔkora so 1000 kWh no bom, na ɛma nea nnwuma no frɛ no nnɔnhwerew 2-nnɔnhwerew 4 bere tenten nhyehyɛe. Saa bere tenten yi-ahoɔden ahoɔden ne ahoɔden tumi nsusuwii-kyerɛ bere tenten a batere no betumi ayɛ adwuma wɔ ne tumi a wɔahyɛ no mu ansa na asɛe.
Mprempren gua so tebea wɔ afe 2024-2025 mu kyerɛ sɛ 1 MWh lithium-ion battery nhyehyɛe a ne bo bɛyɛ $110,000 kosi $150,000, a battery pack ho ka akɔ soro sen biara a ɛyɛ $115 wɔ kWh biara mu. Eyi gyina hɔ ma boɔ a ɛkɔɔ fam 20% firi afe 2023 mu, a ɛnam nneɛma a wɔyɛ boro so, nneɛma a wɔde yɛ adwuma no ho ka a ɛba fam, ne anyinam ahoɔden kar a wɔhwehwɛ a ɛyɛ mmerɛw a ɛdane adwumayɛ tumi kɔ baabi a wɔkora nneɛma so.
Nhyehyɛe dodow no ara de LFP nnuru di dwuma esiane ne ahobammɔ ho nsɛm a ɛkorɔn, kyinhyia nkwa nna a ɛtrɛw (mpɛn pii no ɛyɛ kyinhyia 3,000 kosi 6,000 wɔ 80% bun a ɛkɔ mu), ne ɔhyew a ɛwɔ adwumayɛ mu nti. Design nkwa nna du mfe 10-15 bere a wɔhwɛ ɔhyew so yiye, ɛwom sɛ adwumayɛ ankasa gyina sɛnea wɔde di dwuma, tebea horow a atwa yɛn ho ahyia, ne nsiesie nhyehyɛe ahorow so kɛse de.
Peak Demand Charge Nsɛm a Wɔka Kyerɛ
Asɛm a ɛyɛ den sen biara a wɔde bedi dwuma ama batere a ɛyɛ kWh 1000 no gyina sika a wɔhwehwɛ sen biara a wɔtew so ma aguadi ne mfiridwuma mmeae so. Utility demand charges-fee a egyina wo tumi a wode di dwuma kɛse wɔ bere a wotua ho ka so-betumi ayɛ 30-70% wɔ anyinam ahoɔden ho ka nyinaa mu ama wɔn a wɔde ahoɔden di dwuma akɛse.
Mpɛn pii no, mmeae a wɔyɛ nneɛma, mmeae a wɔde data gu, adekoradan ahorow a wɔde nneɛma gu mu wɔ nwini mu, ne mmeae a wɔkyekyɛ nneɛma no taa hyia sika a wɔhwehwɛ ɔsram biara a efi dɔla 10 kosi dɔla 50 wɔ kW biara ho. Adwumayɛbea a ɛwɔ 1 MW peak demand a wotua $20/kW no hyia $20,000 wɔ ɔsram biara ahwehwɛde ho ka nkutoo mu. Sɛ wɔde batere a ɛyɛ 500 kW/1000 kWh di dwuma de yi saa dodow a ɛsen biara no kW 300 a, ɛma wɔkora dɔla 6,000 ɔsram biara, anaa dɔla 72,000 afe biara.
Sikasɛm mu ahwehwɛde no taa ba bere a adwumayɛbea ahorow no di saa tebea horow yi ho dwuma: anyinam ahoɔden ho ka a wɔbɔ ɔsram biara a ɛboro $50,000, ahwehwɛde ho ka a ɛboro 40% wɔ ɛka a wɔbɔ nyinaa mu, bere a wotumi hyɛ ho nkɔm sɛ ahwehwɛde no bɛkɔ soro (mpɛn pii no nnɔnhwerew 2-4 da biara), ne rate nhyehyɛe ahorow a anyɛ yiye koraa no wɔbɔ $15/kW ahwehwɛde ho ka.
Mpɛn pii no, bere a wɔde tua sika ma akwammisa a wɔde tew ahwehwɛde ho ka so no fi mfe 3 kosi 6 a wɔmfa nkannyan biara nka ho. Mprempren federal Investment Tax Credit no de 30% credit ma ma storage systems a ɛfata, ɛma adwuma no sikasɛm tu mpɔn kɛse na ɛtew payback so kɔ mfe 2-4 wɔ nsɛm pii mu.
Bere-de-de di dwuma (TOU) rate nhyehyeɛ no ma botaeɛ kyere hokwan foforɔ. Facilities betumi abɔ battery wɔ off{3}}peak bere a anyinam ahoɔden bo yɛ $0.05-0.08 wɔ kWh biara mu, afei wɔabɔ wɔ bere a peak bere a ɛho ka kɔ soro kodu $0.20-0.35 wɔ kWh biara mu. Saa arbitrage hokwan yi bɛyɛ nea ɛsom bo titiriw wɔ gua ahorow a ɛwɔ bo a ɛsono kɛse wɔ peak-to-off-peak a ɛboro $0.15 wɔ kWh biara mu.
Ahoɔden a Wɔyɛ no Foforo a Wɔde Ka Bom Bere
Owia hann ahoɔden nhyehyɛe wuranom de batere a ɛyɛ kWh 1000 di dwuma kɛse de ma wɔn ankasa-di dwuma kɛse na wɔkyere bere-bo a wɔasesa afi awo ntoatoaso a wɔyɛ no foforo mu. Gyinaesi a ɛfa deployment ho no gyina mfiridwuma ne sikasɛm mu nneɛma pii a ɛyɛ soronko wɔ owia-plus-storage nhyehyeɛ ho.
Co-beae a ɛne owia nhyehyɛe ahorow no ma wotumi kyɛ nnwuma ho ka-nkitahodi beae koro no ara, substation nnwinnade, ne tumi krataa nhyehyɛe no som agyapade abien no nyinaa. Ɛsɛ sɛ nnwuma a wɔreyɛ nhyehyɛe de owia ahoɔden a wɔde besisi 500 kW kɔsi MW 1 no hwɛ batere a wɔde bedi dwuma bere koro mu, efisɛ akyiri yi sɛ wɔbɛsan asiesie nneɛma a wɔkora so no ma ɛka a ɛkɔ soro 15-25% esiane mfiridwuma, tumi krataa, ne nnwinnade mu nsakrae foforo nti.
Owia ahoɔden a wɔyɛ no ho nsɛm na ɛkyerɛ batere no kɛse a eye sen biara. 1 MW DC owia nhyehyɛe a ɛma ahoɔden a ɛsen biara a ɛyɛ nnɔnhwerew 4-6 da biara no ma bɛyɛ 5 MWh wɔ nna a ɛsow aba mu. Sɛ wɔde 1000 kWh akoraeɛ bom a, ɛma wotumi kyere da biara da nneɛma a wɔyɛ no 20% ma anwummerɛ a wɔde gu mu, na ɛtew grid a wɔde wɔn ho to so ne ahwehwɛdeɛ ho ka so wɔ nteaseɛ mu wɔ mmerɛ a ɛho ka yɛ den mu.
Guadiɛ tebea wɔ afe 2024-2025 mu titire ma owia-plus-storage deployment. Battery bo duu abakɔsɛm mu nea ɛba fam bere a owia mfiri ho ka kɔɔ so yɛɛ pɛ, na ɛmaa ɛka nsonsonoe a ɛda owia ahoɔden-nkwa ne nhyehyɛe a wɔaka abom ntam no so tew. 30% federal ITC no fa nhyehyɛe no ho ka a wɔaka abom no ho bere a batere ahorow no gye anyɛ yiye koraa no 75% fi owia ahoɔden a ɛwɔ beae hɔ no mu, na ɛde towtua mu mfaso kɛse ba.
Aman a wonni net metering nhyehyɛe-a utilities ntua owia ahoɔden a ɛboro so a wɔde kɔ grid no so ka-ma battery akorae ho hia wɔ sikasɛm mu sen sɛ ɛbɛyɛ nea wɔpɛ. Hawaii, Nevada, ne California afã horow ayi net metering credits afi hɔ anaasɛ wɔatew so kɛse, a ɛkyerɛ sɛ awiabere owia awo ntoatoaso a ɛboro so no wɔ mfaso ketewaa bi a enni sie ma bere-dan saa ahoɔden no kɔ anwummere nnɔnhwerew mu.
Curtailment asiane nso ma wosi storage deployment gyinaesi ahorow. Sɛ owia ahoɔden a ɛkɔ mpɔtam hɔ nkyekyɛmu amansin so boro 30-40% a, nnwumakuo a wɔde di dwuma no bɛtumi asiw nkitahodiɛ ho pene so anaasɛ wɔbɛhia sɛ wɔtew so wɔ awoɔ ntoatoasoɔ a ɛboro soɔ mu. Batere a wɔde sie no ma wotumi kyere nneɛma a wɔyɛ a anka wɔbɛsɛe no, na wɔkura adwuma no sikasɛm mu bere a ɛbɛyɛ ahyɛde sɛ wɔbɛtew so no.
Grid Services Sika a Wonya Ho Hokwan ahorow
Nneɛma a wɔde di dwuma a ɛkɔ akyiri di sika a wonya pii akyi sen on-site dwumadie denam anyinam ahoɔden gua a wɔtɔn no kɛseɛ ne nhyehyɛeɛ a wɔde di dwuma a wɔde wɔn ho hyɛ mu no so. Eyi hwehwɛ sɛ wɔyɛ nhyehyɛe a ɛyɛ nwonwa a wɔde di dwuma wɔ ahoɔden so na wɔte mpɔtam hɔ gua nhyehyɛe ahorow ase.
Frequency regulation services tua battery ka wɔ ahoɔden mu nsakrae a ɛba ntɛmntɛm a ɛma grid no gyina pintinn no ho. Guadidan ahorow te sɛ PJM, CAISO, ne ERCOT tua tumi ho ka wɔ nea ɛwɔ hɔ ara kwa ho ne ahoɔden a wotua ma nneɛma a wɔde kɔ ankasa. Batere a ɛyɛ 1 MW/1 MWh betumi anya $50,000-150,000 afe biara afi frequency regulation mu, ɛwom sɛ gua a ɛdɔɔso wɔ mmeae bi no ama nneɛma bo ayɛ den afi nea ɛsen biara so de.
Demand response nhyehyɛe ahorow de sikatua ma de tew nneɛma a wɔde di dwuma so wɔ grid stress nsɛm a esisi mu. Aguadibea ahorow a 500+ kW tumi betumi de wɔn ho ahyɛ mu, wonya $25-75 wɔ kW biara ho afe biara wɔ bɔhyɛ a wɔde ka ho ne ahoɔden a wotua wɔ nsɛm a esisi mu. Batere a ne ahoɔden yɛ kWh 1000 ma wotumi de wɔn ho hyɛ mu a ɛnhaw adwumayɛ, ɛde ahoɔden a wɔakora so kɔ bere a wɔafrɛ no sen sɛ ɛbɛtew nnwinnade a wɔde yɛ no so.
Tumi gua ahorow a ɛwɔ mpɔtam te sɛ PJM ne ISO-NE tua generators ka ma wɔakura tumi a ɛwɔ hɔ no mu. Battery storage systems a ɛdi bere tenten a ɛsua koraa ahwehwɛdeɛ (mpɛn pii no nnɔnhwereɛ 2-4) fata sɛ wɔtua tumi ho ka a ɛyɛ $30-150 wɔ kW-afe biara mu, na ɛma wonya sika wɔ mmerɛ a wɔmfa nkɔ mpo mu.
Sikasɛm mu mfasoɔ a ɛwɔ grid dwumadie mu no gyina beaeɛ so kɛseɛ. Texas ERCOT gua so boɔ daa nsakraeɛ kɛseɛ adi wɔ afe 2024 mu, a ne boɔ a wɔtɔn no kɛseɛ firi boɔ a ɛnyɛ papa wɔ awoɔ ntoatoasoɔ a ɛboro-awoɔ ntoatoasoɔ berɛ mu kɔsi $5,000/MWh wɔ nsɛm a ɛho yɛ na mu. California CAISO gua ahorow kyerɛɛ sɛ 61% wɔ utility-scale deployments a ɛkɔ soro wɔ California ne Texas titiriw esiane gua so tebea pa nti.
Nanso, gua so kyɛfa a wobenya no hwehwɛ sɛ wonya adwumayɛ ho tumi a ɛyɛ nwonwa. Real-bere optimization software, gua so aguadi ho nimdeɛ, ne adwumayɛ ho bɔhyɛ ma adwumayɛ mu nsɛnnennen a ɛmfata mma aguadidan pii. Third-party aggregators de ano aduru a wɔde wɔn nsa bɛka ma kɛse, wɔhwɛ gua so kyɛfa ne sika a wonya no yiye bere a wɔde sikatua a wɔahyɛ ho bɔ ma agyapade wuranom.
Mission-Ahwehwɛdeɛ a ɛho hia a ɛfa Backup ho
Ɛsɛ sɛ mmeaeɛ a ɛhia sɛ wɔyɛ adwuma a wɔntwa mu ɛnam nkwa ahobanbɔ, data mudi mu kura, anaa nneɛma a wɔyɛ no kɔ so ho nsusuiɛ nti no hwehwɛ 1000 kWh battery nhyehyɛeɛ mu sɛ ahoɔden a wɔde bɛkora so titire anaa foforɔ.
Data centers taa hwehwɛ N+1 redundancy, a ɛkyerɛ sɛ backup tumi boro peak demand. Data center a ɛwɔ 500 kW betumi de 750 kW UPS tumi adi dwuma a wɔde generator backup aka ho. Sɛ wode batere a ɛyɛ 500 kW/1000 kWh ka ho a, ɛma nnɔnhwerew 2 de adesoa a edi mũ-akorae, ɛyɛ bridging generator startup bere na ɛma ahoɔden a ɛho tew, ɛyɛ ntɛm-abua tumi sen atetesɛm diesel generators.
Akwahosan adwumayɛbea ahorow hyia mmara mu ahwehwɛde ahorow a ɛfa anyinam ahoɔden a egye ntɛmpɛ ho nanso wɔrehwehwɛ akwan foforo a ɛho tew sen diesel mfiri a wɔde yɛ anyinam ahoɔden. Ayaresabea adesoa a ɛho hia taa yɛ 300-800 kW, na ɛma 1000 kWh nhyehyɛe ahorow no kɛse fata ma oprehyɛn adan, ICU nnwinnade, ne nneɛma a ɛho hia. Battery nhyehyɛe ahorow ma mmuae ntɛm ara bere a wɔde toto generator transfer mmere a ɛyɛ sekan 10-15 ho, na eyi anyinam ahoɔden a ebetumi asɛe no fi hɔ.
Nnwumayɛbea ahorow a ɛwɔ production line sensitivities wɔ power quality nsɛm ho de battery di dwuma ma ride-through capability bere a voltage sags ne bere tiaa mu outages. Semiconductor fabrication, nnuruyɛ, ne continuous process nnwuma hyia ɛka a ɛyɛ $50,000-500,000 wɔ adwumayɛ mu ntwitwiridii biara mu, na ɛma backup power investment yɛ sikasɛm mu den.
Gyinaesi nhyehyeɛ no de batere akoraeɛ toto atetesɛm generator-based backup ho. Mfitiaseɛ ka bɛyɛ sɛ-1000 kW diesel generator nhyehyɛeɛ a ɛwɔ automatic transfer switches no boɔ yɛ $150,000-250,000 berɛ a battery nhyehyɛeɛ a wɔde toto ho no yɛ $200,000-300,000. Nanso, nsonsonoe a ɛwɔ ɛka a wɔbɔ wɔ adwumayɛ ho no ho hia kɛse.
Battery nhyehyɛe yi pɛtro ho ka fi hɔ, ɛhwehwɛ sɛ wosiesie no kakraa bi (2-5% wɔ nhyehyɛe no ho ka mu afe biara bere a wɔde toto 5-10% ma generators), ɛmma mframa bɔne biara nkɔ mu, na ɛma bere a wɔde yɛ ho biribi ntɛmntɛm. Nnwumayɛbea ahorow a ɛwɔ California ne amantam afoforo a wɔahyɛ mframa pa ho mmara a emu yɛ den no hyia ɔhaw a ɛrekɔ soro wɔ tumi krataa a wɔde ma diesel mfiri a wɔde yɛ anyinam ahoɔden ho, na ɛma batere a wɔde sie no yɛ nea ɛyɛ anigye kɛse denam adesoa a wɔde ba mmara a wodi so a wɔkwati so.
Resiliency applications pɛ nhyehyɛe a ɛkyɛ-bere. Bere a grid-scale battery dodow no ara yɛ yiye ma nnɔnhwerew 2-4 bere tenten no, ɛsɛ sɛ mmeae a ɛhwehwɛ sɛ wɔtrɛw backup tumi mu no susuw nnɔnhwerew 4-8 nhyehyɛe ahorow a ɛde ahoɔden kɛse ne ahoɔden dodow a ɛkɔ fam bom ho. 500 kW/2000 kWh nhyehyeɛ ma nnɔnhwereɛ 4 a wɔde bɛboa, a ɛfata ma adwumayɛbea a ɛwɔ mmeaeɛ a ɛtaa sɛ ahum, wuram ogya, anaa grid a entumi nnyina pintinn bɛtwa.
Mfiridwuma ne Nnwumayɛ mu Nneɛma a Wɔde Di Dwuma
Nneɛma akɛse a wɔyɛ no gyina hɔ ma wɔn a wɔpɛ sɛ wɔde di dwuma yiye esiane ahoɔden a wɔde di dwuma kɛse, ahwehwɛde ho ka kɛse, ne adwumayɛ mu nsakrae a wɔyɛ ma adesoa ho nhyehyɛe ahorow nti.
Ɛsɛ sɛ mmeae a nnwinnade a emu yɛ duru anaa adesoa a wɔde yɛ adwuma a ɛde ahwehwɛde no kɔ soro no susuw batere a wɔde bedi dwuma ho bere a ɔsram biara ahwehwɛde ho ka boro $10,000 na adesoa ho nsɛm kyerɛ nnɔnhwerew 2-4 bere a ɛsen biara. Sotɔɔ ahorow a wɔyɛ dade, mmeae a wɔyɛ plastic, mmeae a wɔyɛ nnuan, ne mmeae a wɔboaboa kar ano taa da saa su ahorow yi adi.
Nneɛma a wɔyɛ ho nhyehyɛe a ɛyɛ mmerɛw ma wotumi fa batere a wɔde di dwuma ho akwan a ɛyɛ nwonwa. Facilities betumi adan adesoa a ɛnyɛ -a ɛho hia akɔ off-peak periods, de batere adi dwuma de akata adwumayɛ a ɛho hia wɔ peak nnɔnhwerew a ne bo yɛ den mu. Plastics injection molding facility betumi ayɛ adwuma titiriw wɔ awiabere owia nnɔnhwerew ne off{4}}peak bere, de battery storage adi dwuma de ama auxiliary systems ahoɔden wɔ peak rate bere mu.
Motor start events de ɔhaw titiriw ba demand spikes. Compressors akɛse, pɔmpɛ, ne mfiri a wɔde yɛ adwuma betumi atwe ahoɔden a wɔahyɛ no mpɛn 5-10 bere a wɔrefi ase no, na ɛde ahwehwɛde a ɛyɛ tiawa nanso ɛho ka yɛ den ba. Battery nhyehyɛe ahorow a etumi yɛ ho biribi ntɛmntɛm no betumi de ahoɔden ahyɛ mu wɔ saa bere tiaa mu nsɛm a esisi yi mu, na esiw ahwehwɛde foforo a ɛkɔ soro no ano a ennya mfiri no dwumadi so nkɛntɛnso.
Nnwumayɛbea ahorow di ahwehwɛde ho ka ho bɔhyɛ ahorow-ahwehwɛde dodow a ɛsen biara a wɔahyɛ ato hɔ a ɛwɔ ase a nneɛma a wɔkora so no kɔ so di dwuma no akyi kɛse. Eyi ma wotumi yɛ anyinam ahoɔden ho sikasɛm nhyehyɛe a wotumi hyɛ ho nkɔm sen sɛ mmere mu nkɔanim a wɔnhwɛ kwan a ɛbɛma ɛka akɔ soro. Facility a ɛde 1 MW ahwehwɛdeɛ ho bɔhyɛ a ɛwɔ 500 kW/1000 kWh battery tumi yiyi peaks kɔsi 500 kW nnɔnhwerew 2, bɔ ho ban fi ahwehwɛdeɛ akwantuo a ɛkɔ fam ho.
Ɔhyew ne ahoɔden a wɔaka abom (CHP) adwumayɛbea ahorow nya mfaso fi nneɛma a wɔkora so a ɛde adwumayɛ mu nsakrae ka ho. Battery nhyehyɛe ma wotumi kyere CHP awo ntoatoaso a ɛboro so, smoothing output nsakrae, na ɛma tumi foforo wɔ mmere a ɔhyew adesoa nkyerɛ sɛ CHP adwumayɛ. Wei ma nhyehyɛe no sikasɛm nyinaa tu mpɔn denam tumi a wɔde kɔ amannɔne a ɛtew so ne on-site dwumadie a ɛkɔ soro no so.
Dwumadie Nkɔsoɔ Bere Nhyehyɛeɛ ho Nsusuiɛ
Bere a wɔde bedi dwuma no nya adwuma no ho ka, nkannyan a ɛwɔ hɔ, ne adwumayɛ mu mfaso so nkɛntɛnso kɛse. Bere mu nneɛma pii nya nhyehyɛe a eye sen biara a wɔde bedi dwuma so nkɛntɛnso.
Nkitahodi ntonto gyinabea ho hia kɛse ma nnwuma a ɛhwehwɛ sɛ wɔyɛ nhyehyɛe a ɛfa nneɛma a wɔde di dwuma ho. Mprempren sɛ wɔkyekyem pɛpɛɛpɛ a, bere a wɔde di dwuma wɔ ntonto mu no yɛ asram 18-36 wɔ mmeae pii, na ɛtaa kyɛ wɔ California ne Atifi Apuei gua ahorow so. Ɛsɛ sɛ adwumayɛbea ahorow a wɔreyɛ ntrɛwmu ho nhyehyɛe no fi ase yɛ nkitahodi ho adesua mfe 2-3 ansa na nna a wɔpɛ sɛ wɔde bɛyɛ adwuma, titiriw wɔ nnwuma a ɛboro 1 MW ho.
Ɔman no towtua a wɔbɛtew so ho nsusuwii ka bere ho gyinaesi ahorow. 30% Investment Tax Credit a wɔde ma storage systems mprempren no trɛw kɔsi afe 2032, afei ɛso tew kɔ 26% ma systems a wɔrefi aseɛ asi wɔ afe 2033. Ɛsɛ sɛ nnwuma no nya adwumayɛ gyinabea ansa na wɔatew nkannyan so na ama wɔatumi agye boɔ kɛseɛ. Nanso, nnwuma a ɛfata sɛ wonya bonus credits-a ɛsom mpɔtam a wɔn sikasɛm tebea sua, de fie mu nneɛma di dwuma, anaasɛ ɛwɔ mmeae a ɛwɔ ahoɔden mpɔtam-betumi agye 10-20% credit foforo mpo sɛ wɔbɛtew so daakye.
Tariff ne supply chain a wontumi nsi pi wɔ afe 2024-2025 mu no ma bere nhyehyɛe mu yɛ den. Mprempren tow nhyehyɛe ahorow no yi batere no afã horow bi fi mu, nanso nsakrae a wɔahyɛ ho nyansa wɔ nhyehyɛe mu no betumi ama ɛka no akɔ soro 10-25% sɛ wɔde di dwuma a. Ɛsɛ sɛ wɔn a wɔyɛ no hwehwɛ bere nhyehyɛe a wɔayɛ no ntɛmntɛm mu de atoto mprempren bo a wɔbɔ no mu anaasɛ wɔyɛ EPC apam ahorow a ne bo yɛ den a ɛbɔ ho ban fi ɛka a ɛkɔ soro ho.
Utility rate case cycles nya nkɛntɛnso wɔ deployment a eye sen biara so. Sɛ utilities de rate nhyehyɛe foforo a ɛma ahwehwɛde ho ka kɔ soro anaasɛ wɔde TOU nhyehyɛe a ɛnyɛ papa di dwuma a, nnwuma a ɛwɔ hɔ dedaw no hwere sikasɛm mu anigye. Ɛsɛ sɛ nneɛma a ɛwɔ nsasesin a wɔayɛ nhyehyɛe sɛ wɔbɛma sika dodow akɔ soro no ma wɔde di dwuma ntɛmntɛm na ama wɔanya sikasɛm mu yiyedi mfe pii.
Ɛlektrik ahoɔden ho ka a wɔbɔ wɔ bere bi mu no nya sika a wɔkora so afe biara ho akontaabu. Batere a wɔde di dwuma ansa na awɔw bere mu bere a ɛyɛ den sen biara wɔ anafo fam aman mu anaasɛ awɔw bere mu nkɔanim wɔ atifi fam mmeae no ma afe a edi kan-bo a wɔkyere no yɛ kɛse. Texas adwumayɛbea bi a wɔde bedi dwuma wɔ April mu no gye bo a edi mũ fi June-September peaks bere a ERCOT bo kɔ soro, bere a deployment wɔ October mu no hwere bere a ɛsom bo kɛse-.
Hokwan a obi wɔ sɛ ɔde ne ho hyɛ gua so no hwehwɛ sɛ wodi kan yɛ nhyehyɛe. Mpɛn pii ho mmara ne tumi gua ahorow taa nya bere a wɔde kyerɛw wɔn din asram pii ansa na wɔafi ase de wɔn ho ahyɛ mu. ERCOT hwehwɛ nnafua 60-90 ansa na wɔafata, bere a PJM tumi a wɔtɔn no kɔ so mfe 3 ansa na mfe a wɔde bɛma. Ɛsɛ sɛ nnwuma a ɛredi grid services sika a wonya akyi no fi ase yɛ ahwehwɛde nhyehyɛe asram 6-12 ansa na nna a wɔpɛ sɛ wɔde yɛ adwuma no adu.
Sikasɛm mu Nhwehwɛmu Nhyehyɛe
Batere a ɛyɛ kWh 1000 a wɔde bedi dwuma no hwehwɛ sɛ wɔyɛ sikasɛm ho nhwɛsoɔ a ɛyɛ katee a wɔde ɛka ne sika a wɔnya a ɛfa ho nyinaa bɛka ho wɔ adwuma no nkwa nna nyinaa mu.
Kapital ho ka nyinaa taa yɛ $800,000-1,200,000 ma 1 MWh nhyehyɛe a edi mũ, a batere ($500,000-700,000), ahoɔden nsakrae nhyehyɛe ($150,000-250,000), nhyehyɛe a ɛkari pɛ ($100,000-150,000), ne nhyehyɛe a wɔde besisi hɔ ka ho ($50,000-100,000) na ɛyɛ adwuma. Nneɛma a ɛfa beae pɔtee bi te sɛ fapem, anyinam ahoɔden nhyehyɛe, ne tumi krataa betumi de 10-30% aka ɛka a wɔbɔ wɔ nnyinaso ho no ho.
Afe afe adwumayɛ ho ka bi ne nsiesie (2-5% wɔ sika kɛseɛ a wɔbɔ mu), insurance (1-2% wɔ sika kɛseɛ mu), nhyehyɛeɛ a wɔde hwɛ nneɛma so na wɔhwɛ so ($10,000-25,000), ne batere a ɛbɛtumi ayɛ kɛseɛ wɔ mfeɛ 5-7 akyi (15-25% wɔ batere ho ka a ɛdi kan no mu). Ɛsono sɛnea wɔyɛ agyapade tow wɔ tumidi ahorow mu, na aman binom de ahofadi ma wɔ ahoɔden a wɔkora so ho bere a afoforo nso susuw ne bo a edi mũ ho.
Sika a wonya fi mu no hwehwɛ sɛ wɔde ahwɛyiye kyerɛ dodow. Demand charge reduction value yɛ pɛ ɔsram biara ahwehwɛde a wɔkora so mpɛn asram 12, mpɛn pii no $50,000-150,000 afe biara ma 500 kW nhyehyɛe. Energy arbitrage nam TOU optimization so de $20,000-80,000 ka ho afe biara a egyina rate nsonsonoe so. Grid dwumadie a ɛwɔ gua a ɛyɛ nnam so no boa $30,000-100,000 afe biara, ɛwom sɛ nsakraeɛ kɛseɛ hwehwɛ sɛ wɔyɛ nhwɛsoɔ a ɛyɛ katee de.
Sikasɛm nhyehyɛe ahorow nya mfaso kɛse. Sika a wɔtɔ no ma wotumi tua ka ntɛmntɛm nanso ɛhwehwɛ sɛ wodi kan nya sika kɛse. Nnipa a wɔto so abiɛsa-a wɔnam tumi tɔ apam so yi ɛka a wɔbɔ ansa na wɔayɛ no fi hɔ nanso ɛtew sika a wɔkora so nyinaa so 30-50% denam developer margins so. Lease nhyehyɛe ahorow ma mfinimfini kwan so akwan horow, na wɔde sika a wɔde asie no bi di gua de nya sika a wonya ntɛm ara mfaso.
Ɔman no nkuranhyɛ ahorow ma sikasɛm tu mpɔn kɛse. 30% ITC no tew sika kɛseɛ a wɔbɔ no so $240,000-360,000 ma nhyehyɛeɛ a wɔtaa yɛ, na ɛma akatua a ɛnyɛ den no tu mpɔn firi mfeɛ 8-12 kɔ mfeɛ 5-8. Ɔman no nhyehyɛe pɔtee te sɛ California SGIP, Massachusetts SMART nhyehyɛe, anaa New York nneɛma a wɔde sie ho nkuranhyɛ de $100-400 ka kWh biara ho, na ɛma mfaso a wonya no tu mpɔn bio.
Asiane ahorow hwehwɛ sɛ wɔhwehwɛ mu. Battery a ɛsɛe no ma tumi so tew 1-3% afe biara, na ɛma sika a wɔkora so bere kɔ so no so tew. Nsakraeɛ a ɛba anyinam ahoɔden boɔ mu no bɛtumi ama sikasɛm atu mpɔn anaasɛ apira-ahwehwɛdeɛ ho ka a ɛkɔ soro no ma adwuma no mu mfasoɔ atu mpɔn berɛ a nsakraeɛ a ɛyɛ pɛpɛɛpɛ no yi boɔ titire a ɛba no firi hɔ. Guadiɛ boɔ a ɛsakrasakra ma grid dwumadie no ma sika a wɔbɛnya no mu adwenem naayɛ a ɛhwehwɛ sɛ wɔyɛ nsusuiɛ a ɛyɛ katee.
Ntotoho a wɔde toto Alternative Capacity Levels ho
Sɛ yɛte bere a ntease wɔ 1000 kWh nhyehyɛe ahorow mu bere a wɔde toto nneɛma nketewa anaa akɛse a wɔde besi ananmu no ho a, ɛboa ma wosi gyinae ahorow a wɔde bedi dwuma yiye.
Ɛsɛ sɛ mmeae a wɔn ahwehwɛde kɛse no nnu kW 300 no taa susuw nhyehyɛe ahorow a ɛyɛ kWh 100-500 ho. Saa nneɛma nketewa a wɔde besisi hɔ yi bo yɛ $150-400 wɔ kWh biara mu bere a wɔde toto $800-1,200 wɔ kWh biara ho ma nhyehyɛe a wɔde di dwuma a wɔde di dwuma, a ɛkyerɛ sikasɛm a ɛkɔ soro. 250 kWh nhyehyɛe a ne bo yɛ $50,000-75,000 di aguadi mu nneɛma nketewa pii ho dwuma a ɛho ka sua sen nneɛma a wɔde megawatt a ɛsõ boro so a wɔde besisi hɔ.
Nea ɛne no bɔ abira no, ɛsɛ sɛ adwumayɛ a ɛboro 2 MW ahwehwɛde a ɛsen biara no susuw 2-5 MWh nhyehyɛe ahorow a ɛkyere sikasɛm a ɛkɔ soro kɛse ho. Per-kWh ka so tew kɔ $600-900 ma multi-megawatt nhyehyɛe, na ɛma adwuma no sikasɛm tu mpɔn denam ɛka a wɔtew so wɔ -unit biara ho. Container-based systems ma modular expansion-deploying 2-4 standardized 1 MWh containers ma scalability bere a ɛkura adwumayɛ mu mmɔdenbɔ mu.
Bere tenten a wɔhwehwɛ no ma wosisi tumi ho gyinae sen tumi a wɔhwehwɛ. Ɛsɛ sɛ dwumadie a ɛhia sɛ wɔde nnɔnhwereɛ 6-8 di dwuma no kyerɛ 3-4 MWh tumi a wɔde abɔ mu ne 500-1000 kW ahoɔden, na ɛma tumi a ɛtrɛ firi mu ba. Nea ɛne no bɔ abira no, adwumayɛbea ahorow a wohia ahoɔden kɛse bere tiaa bi no betumi de 2 MW/1 MWh nhyehyɛe ahorow a ɛma simma 30 a wɔde yi nsu a ɛfata ma ahwehwɛde a ɛkɔ soro a wosiw ano a enhia bere tenten a wɔde di dwuma no adi dwuma.
1000 kWh tumi no gyina hɔ ma "beae a ɛyɛ dɛ" ma aguadi ne mfiridwuma a emu yɛ hare pii, a ɛkari pɛ wɔ tumi a ɛdɔɔso ma nkɛntɛnso a ntease wom ne ɛka a wotumi di ho dwuma ne nea ɛyɛ den. Nhyehyɛeɛ a ɛwɔ saa nsenia yi mu no fata ma mfasoɔ-serɛ boɔ berɛ a ɛda so ara yɛ ketewa a ɛbɛma kwan a wɔde ma tẽẽ na wɔde ahyɛ aguadi agyapadeɛ a wɔtaa de di dwuma so.
Ɛsɛ sɛ mmeae a wonni ahotoso wɔ kɛseyɛ a eye sen biara ho no yɛ adesoa ho nhwehwɛmu a ɛkɔ akyiri, hwehwɛ simma 15 ntam mita data mu asram 12-24. Eyi da sɛnea ɛkɔ soro ankasa, bere tenten a wɔhwehwɛ, ne mmere mu nsakrae a ɛma wohu gyinaesi ahorow a edi mu wɔ dodow ho. Wɔn a wɔyɛ no pii de nhwehwɛmu a ɛfa sɛnea wobetumi ayɛ ho a wontua hwee ma denam utility meter data so de kamfo tumi ne nhyehyɛe a ɛfata kyerɛ.
Mmara ne Tumi a Wɔde Ma Ho Nsusuwii
Sɛ wɔde di dwuma yiye a, ɛhwehwɛ sɛ wɔfa mmara nhyehyɛe a ɛyɛ den a ɛsono kɛse wɔ tumidi ahorow mu.
Nkitahodi ahwehwɛde kɔ soro kɛse boro 500 kW, na ɛdannan fi akwan a ɛkɔ ntɛmntɛm-kwan so kɔ nkɛntɛnso ho nhwehwɛmu a ɛkɔ akyiri so. Generator nketewa nkitahodi nhyehyɛe no taa yɛ 1-2 MW, a ɛkyerɛ sɛ 1 MWh nhyehyɛe taa fata ma nhwehwɛmu a ɛyɛ mmerɛw. Nanso, mpɔtam hɔ nkyekyɛmu anohyetoɔ bɛtumi akanyan nkitahodiɛ mu nkɔsoɔ a ne boɔ yɛ den mpo ama nnwuma a ɛnyɛ 1 MW, a ɛhia sɛ wɔne nnwumakuo a wɔde di dwuma ntɛm di nkitaho.
Ɔdansi ho tumi krataa ne ogya ho mmara na ɛkyerɛ ahwehwɛde ahorow a ɛfa nneɛma a wɔde besisi hɔ ho. NFPA 855 de ɔman gyinapɛn ahorow ma wɔ batere a wɔde besisi hɔ ho, nanso mpɔtam hɔ tumidi ahorow de nkyerɛase ahorow ne ahwehwɛde afoforo di dwuma. California ahobanbɔ ahwehwɛdeɛ a emu yɛ den a ɛdi 2019 Arizona BESS ogya ahyɛdeɛ akyi no maa ogya a wɔhunu, nhyehyɛeɛ a wɔde siw ano, ne nhyehyɛeɛ a wɔyɛeɛ ntɛm ara yɛɛ yie, na ɛmaa ɛka a wɔbɔ wɔ nneɛma a wɔde si hɔ no kɔɔ soro 10-20% sɛ wɔde toto aman a wɔanhyɛ ho mmara pii no ho.
Nneɛma a atwa yɛn ho ahyia ho nhwehwɛmu betumi akanyan wɔ ɔman no nneɛma a atwa yɛn ho ahyia ho mmara anaa mpɔtam hɔ mmara ahorow ase. Nnwuma a ɛbɛn agyefoɔ a wɔte nka no hwehwɛ sɛ wɔyɛ dede nkɛntɛnsoɔ nhwehwɛmu, ɛfiri sɛ onwini nhyehyɛeɛ ne tumi ɛlɛtrɔnik ma 50-70 dBA wɔ nhyehyɛeɛ no hyeɛ so. Nsunsuansoɔ a ɛfa aniwa so ho ho hia ma atraeɛ-a ɛbɛn nneɛma a wɔde besisi hɔ, a ɛbɛtumi ahwehwɛ sɛ wɔyɛ asase no fɛfɛɛfɛ anaa wɔhwehwɛ mu.
Zoning classifications na ɛkyerɛ sɛnea wɔma ho kwan sɛ wɔmfa nni dwuma. Mfiridwuma mu mpɔtam taa ma kwan ma wɔde batere hyehyɛ mu denam hokwan so, bere a aguadi anaa mmeae a wɔde di dwuma afrafra-betumi ahwehwɛ tumi krataa a wɔde di dwuma a ɛwɔ tebea bi mu. Atumfoɔ binom hyɛ batere a wɔkora so ho mmara wɔ utility nkyerɛaseɛ ase, ɛkanyan franchise ahwehwɛdeɛ anaa utility commission hwɛ mpo ma akyi-mita a wɔde ahyɛ mu.
Tumi krataa a wɔde yɛ adwuma ma nneɛma a ɛyɛ hu betumi ayɛ adwuma, titiriw wɔ lithium-ion nhyehyɛe a ɛboro tumidi anohyeto ahorow-a ɛtaa yɛ 50-100 kWh ho. Eyi hwehwɛ sɛ wɔyɛ nneɛma a asiane wom ho adwumayɛ ho nhyehyɛe, ntɛmpɛ ho nhyehyɛe ahorow, ne afe afe nhwehwɛmu, na wɔde $5,000-15,000 ka adwumayɛ ho ka ho afe biara.
Ɛsɛ sɛ wɔde insurance ho ahwehwɛde ahorow di dwuma ntɛm. Mpɛn pii no, aguadi ho asodi ho nhyehyɛe ahorow a ɛfa batere a wɔde hyehyɛ ho no ho, nanso wɔn a wɔkyerɛw krataa no hwehwɛ sɛ wɔtete ahoɔden a wɔkora so pɔtee bi so kɛse. Ɛka a wɔbɔ wɔ sika a wɔde tua ho ka no yɛ $3,000-8,000 wɔ MW biara mu afe biara, na ɛho ka a ɛba fam ma LFP nnuruyɛ de toto NMC ho esiane ogya ahobammɔ ho kyerɛwtohɔ a ɛkorɔn nti.
Nsɛm a Wɔtaa Bisa
Bere tenten ahe na egye na wɔde 1000 kWh battery system adi dwuma?
Dwumadie no berɛ nhyehyɛeɛ a ɛwie pɛyɛ no firi bosome 9-24 a egyina beaeɛ no tebea ne mmara a ɛyɛ den so. Nea edi kan a wobetumi ayɛ ne nhyehyɛe no hwehwɛ asram 2-3, nkitahodi ho pene a wɔpene so no gye asram 4-12, kwan a wɔde ma no de asram 2-6 ka ho, na adansi ne adwuma a wɔde yɛ adwuma no gye asram 2-4. Texas ne gua afoforo a wɔayi mmara afi mu no kyerɛ asram 6-12 bere nhyehyɛe a ɛyɛ ntɛm, bere a California ne mmeae a nkitahodi nnim no taa hwehwɛ asram 18-30.
Nsiesie bɛn na ɛhia sɛ wɔde 1000 kWh nhyehyɛeɛ di dwuma?
Lithium-ion battery nhyehyɛe no hwehwɛ sɛ wosiesie no kakraa bi sɛ wɔde toto mfiri a wɔde di dwuma wɔ amanne kwan so ho a. Beaeɛ nhwehwɛmu a wɔyɛ no bosome mmiɛnsa biara hwɛ sɛ ɛyɛ adwuma yie, afe afe anyinam ahoɔden sɔhwɛ hwɛ nkitahodiɛ ne ahobanbɔ nhyehyɛeɛ, na softwea foforɔ a wɔyɛ no afe mmienu biara no kura adwumayɛ a ɛyɛ papa. Nsiesie ho ka nyinaa taa yɛ 2-5% wɔ nhyehyɛe no ho ka mu afe biara, anaa $16,000-60,000 ma 1 MWh installations. Dodow no ara manufacturers de mfe 5-10 ɔsom apam bundling nsiesie ne adwumayɛ ho bɔhyɛ ahorow.
So wobetumi ayɛ batere a ɛyɛ kWh 1000 no foforo anaasɛ wɔatrɛw mu akyiri yi?
Modular nhyehyɛe ahorow ma wotumi trɛw tumi mu tẽẽ denam nsukorade anaa nkuku afoforo so. Adwumayɛbea a ɛde 1 MWh ade biako bɛto hɔ no betumi de ade a ɛto so abien aka ho akyiri yi, na ɔkwan a etu mpɔn so no, ɛbɛma ahoɔden a ɛwɔ mu no abu abɔ ho abien akodu 2 MWh. Nanso, ɛsɛ sɛ tumi ɛlɛtrɔnik ne nkitahodi tumi ma ntrɛwmu a wɔayɛ ho nhyehyɛe-inverters a ne kɛse sua anaasɛ transformer tumi a ɛnnɔɔso hwehwɛ sɛ wɔyɛ nsakrae a ne bo yɛ den. Adeyɛ a eye sen biara ne sɛ wɔbɛyɛ anyinam ahoɔden nhyehyɛe ma 1.5-2× mfiase tumi bere a ɛte sɛ nea daakye ntrɛwmu betumi aba no.
Dɛn na ɛba bere a battery warranty no twam no?
Lithium-ion batere dodow no ara kura mfe 10-15 warranty a ɛma 70-80% a wɔakora so tumi wɔ-awiei-bere. Post-warranty adwumayɛ kɔ so a tumi a ɛso tew nkakrankakra, ɛwom sɛ nhyehyɛe ahorow taa kɔ so yɛ adwuma mfe pii foforo de. Tumi betumi akɔ fam akodu 60-70% wɔ afe 20 mu, ɛda so ara de ɔsom a mfaso wɔ so ma ɛwom sɛ ahoɔden a wɔkora so no so atew. Battery augmentation-a wɔde module foforo ka ho de san de tumi ba-ɛbɔ bɛyɛ 40-60% wɔ nhyehyɛe foforo bo mu na ɛtrɛw mfaso nkwa nna mu mfe 5-10 foforo.
Adeyɛ a Wobɛyɛ: Gyinaesi Nhwehwɛmu Nhoma
Ɛsɛ sɛ adwumayɛbea ahorow no hwɛ batere a wɔde di dwuma kWh 1000 bere a tebea horow yi hyia: anyinam ahoɔden ho ka a wɔbɔ ɔsram biara boro $30,000, ɛka a wɔbɔ wɔ ahwehwɛde ho a ɛboro ɛka a wɔbɔ nyinaa mu 35%, bere a wɔhwehwɛ sen biara a ɛkyɛ nnɔnhwerew 2-4 da biara, sika kɛse a ɛwɔ hɔ anaa sikasɛm a ɛyɛ $800,000-1,200,000, beae no kɛse yɛ anammɔn 400-600 ahinanan ma containerized installation, ne anyɛ yiye koraa no mfe 5 a wɔde bɛtra adwumayɛbea hɔ a ɛbɛma wɔatua ka nhumu.
Bu sika a wobetumi de asie ho akontaa denam ahwehwɛde a wɔtew so kɛse (wɔ kW mu) a wode bɛbɔ ahwehwɛde ho ka dodow ($/kW/ɔsram) so asram 12, de ahoɔden arbitrage a wobɛkora so afi da biara da sakre so akɔ TOU mmere mu aka ho. Fa toto ɛka a wɔde ahyɛ mu nyinaa ho a wɔayi nkannyan a ɛfata afi mu na ama woahu bere a wɔde tua ka. Nnwuma a ɛkyerɛ mfeɛ 4-8 a ɛyɛ mmerɛw a wɔde tua ka a enni grid dwumadie mu sika a wɔnya no taa kɔ so wɔ ahotosoɔ mu, berɛ a nnwuma a ɛkyɛ a wɔde tua ho ka hwehwɛ sɛ wonya grid dwumadie mu sika anaa akwan foforɔ a wɔfa so yɛ adwuma.
Fa nnwumayɛfoɔ a wɔfata di nkitaho ntɛm ma wɔnyɛ nhwehwɛmu a ɛdi kan a ɛfa sɛdeɛ ɛbɛyɛ yie a wɔde utility meter data ankasa bedi dwuma. Wɔn a wɔyɛ nneɛma a wɔagye din de adesua a wɔde yɛ adwuma a wontua hwee a ɛhwehwɛ asram 12-24 ntamgyinafo data mu de ma adwuma no sikakorabea, kamfo nhyehyɛe nhyehyɛe ahorow kyerɛ, na wɔde sikasɛm ho nimdeɛ a edi kan ma. Nya akansi ho nyansahyɛ ahorow 3-5 de hwɛ hu sɛ wɔbɛbɔ gua so bo ne nhyehyɛe no ho nkyerɛkyerɛmu a ɛfata.
Nea ɛho hia sen biara no, ntwentwɛn nhwehwɛmu a egyina akwanhwɛ a ɛne sɛ daakye ɛka a ɛbɛba fam so no nkyɛ. Bere a batere bo kɔ so kɔ fam no, mfe a wɔde sie a wɔhwere de twɛn no taa boro ɛka a wɔatew so nkakrankakra no so. Mprempren nneɛma boɔ a ɛba fam, aban nkuranhyɛ a ɛkyɛn so kɔsi afe 2032, ne mfasoɔ a ɛwɔ adwumayɛ mu ntɛm ara a wɔaka abom no ma afe 2024-2025 yɛ mfɛnsere a ɛyɛ den a wɔde bɛdi dwuma ama mmeaeɛ a ɛdu gyinapɛn a yɛaka ho asɛm wɔ atifi hɔ no.