Owia ahoɔden batere a wɔde sie no betumi atew anyinam ahoɔden ho ka so denam owia ahoɔden a ɛboro so a wɔde besie de adi dwuma wɔ nnɔnhwerew a ne bo yɛ den a ɛboro so-ɛbo so, ɛwom sɛ sikakorabea ankasa gyina wo utility no rate nhyehyɛe so kɛse de. Afiewuranom a wɔwɔ bere-de{3}}de di dwuma bo taa sie $700-$1,100 afe biara, bere a wɔn a wɔwɔ adetɔnbea net mita a edi mũ no betumi ahu sika foforo kakraa bi a wɔbɛkora so afi batere nkutoo mu.
Sɛnea Battery Storage Ma Sikakorabea Ba
Owia ahoɔden batere a wode sie no ma ɛka so tew denam akwan titiriw abiɛsa a ɛsono sɛnea ɛyɛ adwuma a egyina wo anyinam ahoɔden tebea pɔtee so.
Bere{0}}a-de arbitrage di dwumagyina hɔ ma sikakora hokwan a ɛho hia sen biara ma batere wuranom. Sɛ wo utility gye sika a ɛsakra da mũ no nyinaa-taa yɛ $0.10-$0.15 wɔ kWh biara mu wɔ off{15}}peak hours nanso $0.35-$0.50 wɔ kWh biara mu wɔ anwummere peaks-battery sie awia ahoɔden awo ntoatoaso a ne bo nyɛ den ma wɔde di dwuma anwummere a ne bo yɛ den. Ofie bi a ɛde kWh 8 fi batere mu di dwuma wɔ nnɔnhwerew a nnipa pii wɔ mu a ɛyɛ $0.35/kWh sen sɛ wɔde grid ahoɔden bedi dwuma no sie $2.80 da biara, na ɛboaboa ano kodu $84 ɔsram biara. Nsonsonoe a ɛwɔ nneɛma bo mu no ho hia kɛse; $0.25 a ɛtrɛw wɔ off-peak ne peak rates ntam no ma batere a wɔde hyɛ mu no fata koraa sen $0.10 a ɛtrɛw.
Ankasa-a wɔde di dwuma kɛsesiw owia ahoɔden a wɔbɛtɔn ama nnwumakuw a wɔde anyinam ahoɔden di dwuma wɔ bo a wɔatew so no ano. Sɛ batere nni hɔ a, owia ahoɔden a ɛboro so de kɔ amannɔne kɔ grid no so. Wɔ California NEM 3.0 nhyehyɛe ase no, akatua a wɔde tua nneɛma a wɔde kɔ amannɔne no so tew kɔɔ $0.04-$0.08 wɔ kWh biara mu bere a anwummere nneɛma a wɔde ba amannɔne no bo duu $0.45 wɔ kWh biara mu. Batere a ɛkyere saa sika a ɛboro so no de di dwuma anwummere no de $0.37-$0.41 ma kWh biara wɔ bo a ɛsom-bɛyɛ mmɔho 5-10 a ɛboro nea wɔde kɔ amannɔne no so. Aman a wɔatew akatua a wɔbɔ wɔ nneɛma a wɔde kɔ amannɔne ho anaasɛ wonni net metering koraa no ma wɔn ankasa nneɛma a wɔde di dwuma no som bo titiriw.
Demand charge a wɔatew soso ba aguadifo ne adetɔfo binom a wɔte hɔ so mfaso. Nnwumakuw a wɔde anyinam ahoɔden di dwuma no gyina tumi a wɔtwe sen biara so wɔ bere a wɔbɔ ho ka so na ɛhwɛ ahwehwɛde ho ka, mpɛn pii no $10-$20 wɔ kW biara a wɔhwehwɛ no kɛse mu. Adwuma bi a ɛtwetwe kW 50 bere tiaa bi de fi nnwinnade ase no hyia $500-$1,000 wɔ ɔsram biara ahwehwɛde ho ka mu. Battery a ɛbɔ wɔ saa peaks yi mu no brɛ maximum grid draw ase, na ebetumi atew demand charges so 40-70%. Bere a ɛntaa nsi wɔ mmeae a wɔtra no, nnwumakuw a wɔde nneɛma di dwuma no retrɛw sika a wɔbɔ wɔ nneɛma a wɔhwehwɛ ho mu, na ɛma mfaso yi reyɛ nea ɛfata kɛse.
Saa akwan yi a wɔaka abom no na ɛkyerɛ sika a wɔbɛkora so nyinaa. Tebea a ɛtaa ba no kyerɛ sɛ batere nkora biribiara so wɔ-retail net metering a edi mũ ase, $60-$100 ɔsram biara wɔ bere-de{8}}de di dwuma ase, ne $100-$180 ɔsram biara wɔ export compensation a wɔatew so a wɔde bere a wɔde di dwuma ho ka a wɔbɔ no abɔ mu.
Bere a Batere Ntew Ka So Kɛse
Owia ahoɔden batere a wɔkora so ho sikasɛm di nkogu wɔ mmeae pɔtee bi a wɔde nneɛma di dwuma ɛmfa ho sɛ aguadi ka wɔ amansan sika a wɔkora so ho no.
Full-retail net mitayi sikasɛm mu mfaso a ɛwɔ batere so no fi hɔ. New Jersey, Oregon, ne Florida boseabɔ de owia ahoɔden kɔ amannɔne wɔ aguadidan mu bo a edi mũ-bo koro no ara a adetɔfo tua ma anyinam ahoɔden a ɛwɔ anyinam ahoɔden mu no. Sɛ wo panels no ma 900 kWh nanso wo fie de 850 kWh di dwuma a, utilities de kWh 50 a ɛboro so no ma wɔ aguadidan a edi mũ mu ($7.50 wɔ $0.15/kWh). Sɛ wode saa ahoɔden no sie wɔ owia ahoɔden batere akorae mu a, ɛde bo a ɛyɛ pɛ ma efisɛ wode bedi dwuma de akwati sɛ wobɛtɔ grid ahoɔden wɔ bo koro no ara mu. Batere a wɔde ka ho no trɛw bere a wɔde tua ka no mu fi mfe ason ma owia ahoɔden nkutoo kosi 12+ mfe a wɔde batere ka ho, ma ahoɔden a wɔde bɛbɔ ho ban ara kwa sen sɛ wɔbɛkora sika so.
Flat-rate anyinam ahoɔden boa bere mu nsakrae kakraa bi na ɛma wonya arbitrage hokwan kakraa bi. Nkuraase adwumayɛkuw ne nkurow akɛse mu adwumayɛkuw ahorow taa gye sika a ɛkɔ so daa da mũ no nyinaa. Sɛ peak rates yɛ soronko wɔ off-peak ho $0.05-$0.08 pɛ wɔ kWh biara mu a, battery round-trip efficiency losses (8-10%) di sika a wobetumi de asie no mu dodow no ara. Battery a ɛyɛ 92% a ɛyɛ adwuma yie a ɛkora ahoɔden so na ɛgye ahoɔden wɔ $0.06 trɛw mu nets $0.01-$0.02 pɛ wɔ kWh biara mu wɔ efficiency losses akyi-bɛyɛ $10-$30 ɔsram biara ma afie a wɔtaa yɛ.
Afie a wɔmfa anyinam ahoɔden nni dwuma piiaperepere sɛ wobebu battery ho ka a ɛfata. Afie a wɔde kWh 500-700 di dwuma ɔsram biara no hu sika a wɔkora so ketewaa bi sɛnea ɛfata. Wɔ bere pa-a -de di dwuma dodow a ɛkora $0.25 wɔ kWh biara mu mpo ase no, sɛ wɔdan kWh 15 da biara kɔ owia ahoɔden batere a wɔkora so a, ɛma wonya $112 pɛ ɔsram biara. Esiane sɛ battery nhyehyɛe ahorow bo yɛ $8,000-$15,000 nti, bere a wɔde tua ho ka no trɛw kɔ mfe 15-20-a ɛbɛn anaa ɛboro battery warranty bere a ɛyɛ mfe 10-15.
Awo ntoatoaso a ɛba wɔ mmere bi mu nso nya sika a wɔkora so so nkɛntɛnso. Atifi fam aman a owia ahoɔden yɛ nneɛma pii wɔ awɔw bere mu nanso kakraa bi wɔ awɔw bere mu no hu batere a ɛtra hɔ a wɔmfa nni dwuma yiye asram 5-6 afe biara. Eyi ma sika a wɔkora so yiye afe biara no so tew, na ɛtrɛw bere a wɔde tua ka no mu. Vermont ofie wura bi betumi akora $100 ɔsram biara June-August nanso $20 pɛ ɔsram biara December-February, sɛ wɔkyekyem pɛpɛɛpɛ a, $50 ɔsram biara afe mũ no nyinaa sen sɛ wɔbɛkora $100 a wɔde susuw ho no.
Rate Structure Analysis: Wo Sikakorabea a Wobɛtumi Abu Ho Akontaabu
Sɛ wobɛhwɛ sɛ ebia owia ahoɔden batere a wode sie no brɛ wo ka so a, ɛhwehwɛ sɛ wote wo utility pɔtee no sikatua nhyehyɛe ase.
Anamɔn a edi kan no hwehwɛ sɛ wubehu wo rate type.Hwɛ anyinam ahoɔden ho ka a wɔbɔe nnansa yi no mu ma nsɛm te sɛ "bere-de{1}}de di dwuma," "peak/off-peak," "demand charges," anaa "net metering." California sikasɛm mu asisifoɔ-wɔn utilities (PG&E, SCE, SDG&E) de Net Billing di dwuma a bere-a ɛboro -de di dwuma trɛw. Texas de akwan ahodoɔ ma a utilities binom de bere-de-de di dwuma nhyehyɛeɛ a ɛda $0.30+ rate nsonsonoeɛ adi. Massachusetts ne New York nnwuma a wɔde di dwuma no de bere a ɛkɔ fam-de{13}}de di dwuma no frafra owia ahoɔden-adamfofa nhyehyɛe ahorow mu. Di wo utility no nkitaho anaa hwɛ rate nhyehyɛe a wɔatintim no mu na woahu wo rate nhyehyɛe a ɛwɔ hɔ mprempren ne nea ɛwɔ hɔ.
Anamɔn a ɛto so abien no kyerɛ nsonsonoe a ɛwɔ bo mu no dodow.Bu nsonsonoe a ɛda dodow a ɛkorɔn ne nea ɛba fam ntam ho akontaa. Sɛ off-peak yɛ $0.12/kWh na peak yɛ $0.38/kWh a, wo trɛw yɛ $0.26/kWh-yɛ papa ma batere. $0.15 trɛw (off-peak $0.10, peak $0.25) da so ara bu batere bem. Ntrɛwmu a ɛba fam sen $0.10 no ma batere yɛ sikasɛm mu kakraa bi ma sika a wɔkora so nkutoo. Kae sɛ wubebu akontaa sɛnea batere no yɛ adwuma yiye; fa wo ntrɛwmu no bɔ 0.90-0.92 de bu sika a wobɛkora so wɔ kWh biara a wɔde batere no di akɔneaba no mu.
Anamɔn abiɛsa bu akontaa sɛ wɔde di dwuma a wotumi sesa.Hwehwɛ dɔnhwerew biara dwumadie data mu fi smart mita anaa utility portals. Kyerɛ anyinam ahoɔden dodow a wode di dwuma wɔ nnɔnhwerew a nnipa pii kɔ mu a wobetumi de owia ahoɔden batere a wɔde sie mmom ama. Ofie a wɔde kWh 30 di dwuma da biara a 40% na wɔde di dwuma wɔ nnɔnhwerew 4-mfɛnsere a ɛsen biara (12 kWh) mu no hia anyɛ yiye koraa no, batere a ɛyɛ kWh 12 na ama wɔatumi akata nea ɛsen biara so koraa. Batere a ɛnyɛ kɛse kyerɛ sɛ wɔkwati peak a enni mũ, na ɛtew sika a wɔkora so no so sɛnea ɛfata. Oversizing de upfront cost ka ho a wonkora sika foforo so gye sɛ wuhyia nna pii a ɛyɛ adwuma a ɛhwehwɛ sɛ wode backup tumi kɛse di dwuma.
Anamɔn anan no bu sika a wɔde sie ɔsram biara no ho akontaa.Fa da biara da dodow a wɔde di dwuma kɛse a wotumi dan kɔ batere so no bɔ ho denam rate nsonsonoe ne nna a ɛwɔ ɔsram biara so: (12 kWh × $0.26 × nnafua 30=$93.60 ɔsram biara). Twe batere bosea anaa dan a wɔde tua ho ka ɔsram biara no fi mu na ama woahu sika a wode besie. Battery a wɔde $12,000 ayɛ a wɔde mfeɛ 10 ayɛ ho ka bɛyɛ $133 ɔsram biara, a ɛkyerɛ sɛ saa ofie yi nya sika a ɛnyɛ papa (${12}} $133=-$39.40) mfeɛ nson ɛmfa ho sɛ wɔtew ka so. Sika a wɔde sie no bɛyɛ nea eye bere a wɔatua bosea no akyi.
Export rate nhwehwɛmude mfonini no wie. Aman a wɔwɔ full-retail net metering no nnya mfasoɔ mfiri anammɔn anan no akontabuo-wɔn kWh a wɔde kɔ amannɔne wɔ full retail no anka wɔbɛnya boɔ a ɛte sɛ ahoɔden a wɔde asie. California NEM 3.0 a ɛwɔ export rates a ɛyɛ $0.05/kWh no sesa akontabuo no. KWh biara a wɔkora so sen sɛ wɔde bɛkɔ amannɔne no sie: (import peak rate - export rate) × kWh=($0.38 - $0.05) × 12 kWh=$3.96 da biara anaa $119 ɔsram biara-ɛkɔ soro kɛse sen bere-a{17}}de arbitrage nkutoo di dwuma.
System Sizing ne Ɛka a Wosusuw Ho
Batere ahoɔden ho gyinaesi ahorow no nya sika a wobetumi akora so ne nhyehyɛe no ho ka nyinaa so nkɛntɛnso tẽẽ.
Batere a ɛwɔ atrae no firi 9-15 kWh tumi, ne boɔ yɛ $5,000-$15,000 a wɔde ahyɛ mu. Tesla Powerwall 3 de kWh 13.5 ma wɔ $8,400-$9,300, Enphase IQ Battery 5P de kWh 5 ma wɔ $6,000-$7,500, na LG Energy Solution de kWh 16 ma wɔ $11,000-$13,000. Batere akɛseɛ ho ka sua wɔ kWh biara mu-16 kWh battery sɛ wɔkyekyɛ mu a $750/kWh bere a 5 kWh units du $1,300/kWh-nanso sɛ wotɔ tumi a woremfa nni dwuma a, ɛsɛe sika.
Optimal sizing kari pɛ peak consumption coverage ne ɛka a wɔbɔ no yiye.Ofie a ɛde kWh 40 di dwuma da biara a kWh 15 na wɔde di dwuma wɔ nnɔnhwerew 5 mfɛnsere a ɛyɛ kɛse mu no hia kWh 15 a ɛba fam koraa na ama wɔakwati dodow a ɛsen biara koraa. KWh 10 a wɔde besisi hɔ no kata 67% pɛ wɔ dwumadie a ɛsen biara mu, na ɛtew sika a wɔde sie wɔ nsusuiɛ mu so firi $120 kɔsi $80 bosome biara. Sɛ wɔde kWh 20 si hɔ a, ɛma ahoɔden a ɛboro so a wɔde di dwuma bere a wɔagyae adwumayɛ bere tenten nkutoo, na ɛde $3,000-$5,000 ka ka ho ma mfaso a ɛba fam koraa wɔ sika a wɔtew so.
Bere a wɔde si hɔ no nya sikasɛm so nkɛntɛnso kɛse. Batere a wɔde owia ahoɔden mfiri sisi hɔ bere koro mu no ma adwumayɛfo ka so tew 20-30% sɛ wɔde toto nneɛma a wɔde si hɔ a wɔasan asiesie ho a. Tumi krataa a wɔaka abom no bo yɛ $800-$1,500 bere a wɔde toto tumi krataa a ɛsono emu biara a ne nyinaa yɛ $1,200-$3,000 ho. Sɛ wowie anyinam ahoɔden adwuma pɛnkoro sen sɛ wɔbɛyɛ no mprenu a, ɛma wonya dɔla 1,500-3,000. Nanso, mfeɛ 1-2 a wɔtwɛn ma owia ahoɔden batere a wɔkora so boɔ kɔ fam-ɛka kɔɔ fam 40% firi afe 2023 kɔsi afe 2024, ɛfiri $275/kWh kɔsi $165/kWh sɛ wɔkyekyɛ mu a. Saa aguadi yi hwehwɛ sɛ wɔkari pɛ wɔ sika a wɔbɛkora so ntɛm ara ne mfiridwuma mu nkɔso ne ɛka a wɔbɛtew so.
Federal Investment Tax Credit (ITC) ma 30% rebates kɔsi 2032, ɛkɔ fam kɔ 26% wɔ 2033. $12,000 battery nets $3,600 san, na ɛtew ɛka a ɛyɛ adwuma so kɔ $8,400. Ɔman nhyehyeɛ de mfasoɔ ka ho: California Self-Generation Incentive Program de $200-$1,000 ma kWh biara a egyina beaeɛ ne sika a wɔnya so, ɛbɛtumi ayɛ $3,000-$15,000 ama 15 kWh nhyehyɛeɛ. Massachusetts SMART nhyehyɛe no ma adders ma wɔde sie, ɛma sikakorabea kɔ soro $0.03-$0.06 wɔ kWh biara mu wɔ mfe 10 mu. New York batere a wɔde kanyan no no de $250-$350 ma wɔ kWh biara mu wɔ sika a wɔadi kan atua ho ka. Federal ne state nkannyan a wɔaka abom no betumi atew battery ho ka nyinaa so 40-60%, na ama bere nhyehyɛe a wɔde tua ka no atu mpɔn kɛse.
Ankasa-Wiase Sikakorabea Nhwɛsode Wɔ Nsɛm Ahorow Ahorow Mu
Sikakorabea ankasa gu ahorow kɛse a egyina nneɛma a wɔde di dwuma ho nhyehyɛe ne ofie su ahorow so.
California NEM 3.0 ofie a ɛwɔ hɔ:San Diego abusua a wɔwɔ owia ahoɔden a ɛyɛ kW 10 no ma ahoɔden kWh 45 da biara, wɔde kWh 35 a ɛwɔ kWh 18 di dwuma wɔ nnɔnhwerew a nnipa pii wɔ hɔ (4-9 PM). Sɛ battery nni hɔ a: 10 kWh awiabere a ɛboro so a wɔde kɔ amannɔne a ɛyɛ $0.05/kWh a wonya $0.50 da biara, anwummere a wɔde di dwuma no twetwe 18 kWh fi grid a ɛyɛ $0.40/kWh a ɛyɛ $7.20, da biara da net bo yɛ $6.70. Ɛnam 13.5 kWh battery: sie 10 kWh awiabere owia ka ho gye 3.5 kWh fi owia ahoɔden a edi kan de tua 13.5 kWh ahwehwɛde a ɛsen biara, ɛtew grid imports so kɔ 4.5 kWh a ɛho ka yɛ $1.80. Sika a wɔde sie da biara: $4.90 anaa $147 ɔsram biara. Afe afe sika a wɔkora so $1,764 a wɔayi $12 a wɔbɔ wɔ nhwehwɛmu ho ɔsram biara no fi mu no nya $1,620 afe biara. Na $10,500 nhyehyɛe no ka wɔ 30% ITC akyi ne $2,700 SGIP rebate, payback ba wɔ mfe 6.5 mu.
Texas bere-a-de fie di dwuma:Dallas fie wɔ TXU Energy Bere-a-Fa di dwuma nhyehyɛe tua $0.13/kWh off-peak (9 PM-6 PM) ne $0.33/kWh peak (6-9 PM). Owia nhyehyɛe ma 35 kWh da biara, ofie de 28 kWh di dwuma a 10 kWh wɔ bere a ɛyɛ kɛse. Battery sie owia ahoɔden kWh 10 de kata sɛnea wɔde di dwuma kɛse no so, na wɔkwati $3.30 da biara da grid ho ka. Sɛ wɔde grid di dwuma bere a wɔmfa nni dwuma pii no bo yɛ $1.30 da biara mmom. Sika a wɔde sie: $2.00 da biara anaa $60 ɔsram biara ($720 afe biara). System no bo yɛ $11,000 wɔ ITC akyi, ɔman no nkannyan biara nni hɔ, ɛma mfe 15 payback-marginal a wɔde mfe 10-12 battery warranty ma.
New Jersey full-retail net mita fie:Abusua a wɔwɔ owia ahoɔden kW 8 no ma ahoɔden kWh 30 da biara, wɔde kWh 27 di dwuma, wɔde kWh 3 kɔ amannɔne. Flat atrae rate a ɛyɛ $0.16/kWh afe-afe nyinaa. Sɛ batere nni hɔ a: nneɛma a wɔde kɔ amannɔne no nya $0.48 da biara da bosea. Sɛ wode batere a ɛyɛ $13,000 (ITC akyi) di dwuma a: ahoɔden a wɔde asie no tu nneɛma a wɔtɔ wɔ grid so a ne bo yɛ pɛ $0.16/kWh no fi hɔ. Nea afi mu aba: sika a wɔde sie sika foforo biara nni hɔ. Battery ma backup power value nkutoo, na ɛma sikasɛm mu ntease yɛ den gye sɛ mpɛn pii no twam anaasɛ ofie wura bu ahoɔden ahofadi sɛ ɛsom bo sen sikasɛm.
Arizona afrafra tebea:Phoenix fie wɔ APS Solar Partner bere-a{1}}de di dwuma nhyehyɛe a $0.10/kWh super off-peak (10 AM-3 PM), $0.17/kWh off-peak, $0.28/kWh wɔ-peak (3-8 PM). Owia ahoɔden ma 42 kWh da biara, ofie de 38 kWh di dwuma a 16 kWh wɔ bere a ɛwɔ peak. Battery kyere owia ahoɔden 14 kWh awiabere de di dwuma anwummere, na ɛtew peak grid imports so fi 16 kWh kosi 2 kWh. Sika a wɔkora so: 14 kWh × $0.18 trɛw=$2.52 da biara anaa $76 ɔsram biara. Esiane sɛ nhyehyɛe no ho ka yɛ $9,800 wɔ ITC akyi na ɔman no nkannyan biara nni hɔ nti, akatua trɛw kɔ mfe 11. Sika a wɔkora so a ɛkɔ fam no ma batere yɛ nea ɛfata ma afiewuranom a wɔde ahoɔden a wɔde bɛkora so di kan ne sika a wɔtew so kakraa bi.
Akwan a Ɛkɔ Anim a Wɔfa so Yɛ Batere a Wɔkora So Kɛse
Battery nhyehyɛe a ɛyɛ nwonwa ma sikakorabea kɔ soro sen mfitiase charge-discharge cycles.
Virtual power plant (VPP) mu kyɛfa a wonyama wonya sika fi batere mu wɔ grid stress nsɛm a esisi mu. Tesla VPP a ɛwɔ California no tua wɔn a wɔde wɔn ho hyɛ mu no $2 wɔ kWh biara a wɔayi afi hɔ wɔ bere a nsɛm a egye ntɛmpɛ mu, mpɛn pii no nsɛm 5-15 afe biara. Batere a ne ahoɔden yɛ kWh 13.5 a ɛyɛ adwuma koraa mpɛn 10 afe biara no nya dɔla 270. Texas VPPs tua $100-$400 afe biara esiane sɛ wɔma kwan ma wɔn a wɔyɛ grid adwumayɛfo no tumi gyae batere bere a ahiade kɛse no. Vermont’s Bring Your Own Device nhyehyɛe no de $850 ma afe biara. Saa sikatua yi stack wɔ bere a wɔde di dwuma a wɔde sie no so, na ɛma sikasɛm tu mpɔn 10-20%.
Seasonal rate nhyehyɛe a wɔsakraɛma sika a wɔkora so no yɛ papa wɔ gua ahorow a ɛde rate ahorow pii a wobetumi apaw ma no so. Arizona utilities ma adetɔfo sesa nhyehyɛe ahorow bosome abiɛsa biara. Awɔw bere mu asram a mframa a wɔde yɛ adwuma kakraa bi na ɛwɔ mfaso fi nhyehyɛe a ɛyɛ pɛpɛɛpɛ-a ɛkwati bere-de-de di dwuma ɔsram biara ka, bere a awɔw bere mu asram no ma bere-de-di dwuma nhyehyɛe a batere de bo a ɛsen biara ma no fata. Afe afe sika a wɔkora so no kɔ soro $200-$400 sɛ wɔde toto afe-bere nyinaa-de -de di dwuma dinkyerɛw a wɔmfa batere nni dwuma yiye wɔ asram a owia sua mu.
Grid charging a wɔde di dwuma yiyeyɛ adwuma wɔ mmeae a anadwo biako mu nneɛma bo kɔ fam sen owia ahoɔden a wɔde yɛ adwuma no ho ka wɔ kWh biara mu (mpɛn pii no $0.04-$0.05/kWh awo ntoatoaso ho ka ankasa). Sɛ anadwo boɔ du $0.03/kWh bere a ɛboɔ a ɛsen biara no du $0.40/kWh a, owia ahoɔden batere a wɔkora so no tumi charge fi grid so anadwo baako, wɔ ɔkwan a etu mpɔn so atɔ ahoɔden a wɔakora so wɔ $0.03 de adi dwuma wɔ $0.40 peaks-netting $0.37/kWh boɔ mu. Saa kwan yi yɛ adwuma wɔ rate differentials a ɛboro so nkutoo ase na ɛhwehwɛ sɛ wɔhwɛ so yiye efisɛ sakre a wɔtaa de di dwuma a emu dɔ no ma battery no sɛe ntɛmntɛm.
Nhyehyɛe ahorow a wɔde bua ahwehwɛde ahorowtua adesoa a wɔatew so wɔ utility-asɛm a wɔabɔ ho dawuru mu. Eyinom yɛ soronko wɔ VPP ahorow ho denam adwene a wɔde si so sɛ wɔbɛtew nneɛma a wɔde di dwuma so sen sɛ wɔbɛtow batere no agu tẽẽ. Batere ma wotumi fata ma saa nhyehyɛe ahorow yi denam hwɛ a wɔhwɛ ma ofie ahotɔ ɛmfa ho sɛ wɔto mfiri a ɛtwetwe nneɛma a ɛkorɔn-nkɔ so wɔ nsɛm a esisi mu no so. Dwumadi ahorow taa tua $75-$200 wɔ adeyɛ biara mu ma adesoa a wɔtew so 2-3 kW, a nhyiam ahorow 8-12 afe biara a ne nyinaa yɛ $600-$2,400. Ontario peak perks nhyehyɛe no de $150 maa wɔn a wɔde wɔn ho hyɛɛ mu no afe biara wɔ afe 2024 mu, bere a Massachusetts ConnectedSolutions tuaa $225 wɔ kW biara a ɛwɔ tumi mu afe biara.
Nsiesiei ho ka ne Bere tenten-Bere tenten Botae ho Nsusuwii
Batere a obi wɔ no hwehwɛ sɛ wɔbɔ ka a ɛkɔ so a ɛka sika a wɔkora so ho akontaabu.
Ɛkame ayɛ sɛ nnɛyi lithium-ion batere nhia nsiesie a ɛnyɛ hwee sen firmware foforo a wɔyɛ no bosome abiɛsa biara ne afe afe adwumayɛfo nhwehwɛmu a wɔbɔ $100-$150. Waranti coverage taa di mfeɛ 10 anaa 4,000-6,000 cycles (70-80% capacity retention), a ɛkyerɛ sɛ da biara da cycling du warranty anohyetoɔ wɔ mfeɛ 11-16 mu. Ɛbɛyɛ sɛ ɛka a wɔbɔ wɔ nsakraeɛ ho mfeɛ 10-15 wɔ instɔlehyɛn akyi no bɛba fam 30-50% asen nnɛyi boɔ a wɔde ma abakɔsɛm mu ɛka a ɛso atew, a wɔbu akontaa sɛ ɛyɛ $4,000-$8,000 ma 13.5 kWh nhyehyɛeɛ.
Battery a ɛsɛe no ma sika a wɔkora so bere kɔ so no so tew. Nhyehyɛe a ɛde $120 a wɔde sie ɔsram biara no kɔ fam mfiase no kɔ $100 wɔ afe awotwe mu (sɛ yɛfa no sɛ 85% tumi a wɔkora so) ne $85 wɔ afe dumien mu (75% tumi). Wɔ mfeɛ 15-a wurayɛ mu no, sɛ wɔkyekyɛ mu a, sika a wɔde sie bosome biara no betumi ayɛ 15-20% wɔ afe baako adwumayɛ ase. Ɛsɛ sɛ sikasɛm ho nhwɛsoɔ a ɛkɔ akyiri fa no sɛ afe afe tumi so tew 1.5-2% wɔ sikakorabea ho nsusuiɛ mu.
Hokwan ho ka a wɔbɔ wɔ sika kɛse ho no nya mfaso ankasa a wonya fi sika a wɔde asie so. $10,000 a wɔde bɛto battery mu wɔ nkannyan akyi no betumi ayɛ ɔkwan foforo so anya 4-5% afe biara wɔ sika a asiane nnim mu, na ama wɔanya $400-$500 afe biara sika a ɛnyɛ adwuma. Ɛsɛ sɛ batere de $450+ afe afe sikakorabea ma sɛnea ɛbɛyɛ a ɛne saa mfitiaseɛ sanba yi bɛhyia. Nsɛm pii kyerɛ sɛ batere san ba $720-$900 pɛ afe biara, ɛyɛ adwuma sen sika a wɔde asie a ɛyɛ konservatif nanso ɛnyɛ adwuma yiye stock market abakɔsɛm mu mfaso a ɛyɛ 8-10%.
Agyapade bo kɔ soro a ɛma ɛka a wɔbɔ no fã bi. Lawrence Berkeley National Laboratory huu afie a owia ahoɔden-plus-adekorabea a wɔtɔn no gye 3-4% a wɔbɔ ho ka bere a wɔde toto afie a owia ahoɔden- nkutoo na ɛwɔ California gua so ho no, a ɛkyerɛ ase sɛ $15,000-$20,000 ma afie a ne bo yɛ mfinimfini. Nanso, saa sika a wɔde tua ho ka yi betumi ada nea adetɔfo pɛ wɔ tumi a wɔde bɛbɔ wɔn ho ban ho adi sen sɛ wɔbɛbu sika a wɔde sie, na ɛsono kɛse wɔ ɔmantam ne adan ne afie ho gua so tebea horow mu.
Nsɛm a Wɔtaa Bisa
So batere a wɔde owia ahoɔden yɛ no tew ka so wɔ amantam nyinaa mu?
Dabi, sika a wɔbɛtew so no gyina nhyehyɛe ahorow a wɔyɛ wɔ nneɛma a wɔde di dwuma ho ka so koraa. Aman a wɔwɔ retail net metering a edi mũ-te sɛ New Jersey ne Florida afã horow no hu sika a wɔkora so kakraa bi fi owia ahoɔden batere a wɔkora so efisɛ owia ahoɔden a wɔde kɔ amannɔne no nya aguadi bo a edi mũ. Aman a wɔwɔ bere-de{5}}de di dwuma dodow anaasɛ wɔatew akatua a wɔde ma wɔ nneɛma a wɔde kɔ amannɔne ho te sɛ California, Arizona, ne Massachusetts de sikakorabea kɛse ma. Hwɛ wo utility no rate nhyehyɛe ne net metering nhyehyɛe ahorow na woahu sɛnea wobetumi de sika asie wɔ mpɔtam hɔ.
Sika ahe na metumi de batere asie ɔsram biara ankasa?
Sika a wɔde sie ɔsram biara no fi $0 kosi $180 a egyina wo tebea so. Afie a bere-de{4}}de di dwuma dodow a ɛyɛ kWh 15 a wɔdannan mu da biara da no taa sie $60-$100 ɔsram biara. California NEM 3.0 afie betumi adu $120-$180 ɔsram biara. Mmeae a wɔbɔ ka pɛpɛɛpɛ anaasɛ net metering a wɔtɔn no nyinaa betumi akora $0-$20 so ɔsram biara afi batere nkutoo mu. Sɛ wɔkyekyɛ mu a, afiewuranom a wɔwɔ ɔman no mu nyinaa a wɔwɔ rate nhyehyɛe pa no sie $700-$1,100 afe biara sɛnea EnergySage 2024 data kyerɛ no.
So ɛsɛ sɛ mede me solar panels tɔ batere anaasɛ metwɛn?
Fa hyɛ mu bom sɛ wuhia backup power ntɛm ara anaasɛ wuhyia nkannyan a eye kyɛn so a ɛrenkyɛ. Twɛn sɛ wo utility no wɔ retail net metering a edi mũ-retail net metering, battery bo kɔ so kɔ fam wɔ mpɔtam hɔ, anaasɛ battery mfiridwuma foforo a ɛrenkyɛ na w’ani begye ho. Sɛ wɔbom hyehyɛ a, ɛma wogye $2,000-$4,000 wɔ instɔlehyɛn ho ka a wɔaka abom mu nanso sɛ wotwɛn mfeɛ 1-2 a, ɛbɛtumi atew battery boɔ so $2,000-$3,000 ɛfiri sɛ ɛka no so teɛ 40% firi afe 2023 kɔsi afe 2024.
So batere betua wɔn ho ka ansa na ɛho behia sɛ wɔsesa?
Egyina sikakorabea kɛse ne nhyehyɛe no ho ka so. Afie a wɔkora $100+ ɔsram biara no du akatua wɔ mfe 7-10 mu a wɔde nkannyan, ahotɔ mu wɔ mfe 10-15 warranty mu. Wɔn a wɔkora $30-$50 ɔsram biara no hyia mfe 15-20 akatua, na wɔde wɔn ho to asiane mu sɛ wɔbɛbɔ ka a wɔde besi ananmu ansa na wɔanya mfaso pa. Fa sika a wode asie ho akontaabu ankasa ne mpɔtam hɔ nhyehyɛe ho ka a nkannyan a ɛwɔ hɔ nyinaa ka ho no bu wo ka pɔtee no ho akontaa.
Gyinaesi a Wobesi: So Batere a Wɔde Sie no Fata Ma Wo Ka?
Owia ahoɔden batere a wɔde sie no ma ɛka so tew kɛse wɔ tebea pɔtee bi mu nanso ɛma sika kakraa bi na wɔkora so wɔ afoforo mu. Odi nkonim hwehwɛ sɛ wofi nokwaredi mu susuw nneɛma ho sen sɛ wɔbɛhyɛ bɔ wɔ aguadi ho.
Susuw batere ho titire sɛ wobɛtew ka so sɛ wowɔ bere-de{1}}de di dwuma dodow a $0.20+ nsonsonoe a ɛwɔ soro, net mita akatua a wɔatew so a ɛba fam sen $0.10/kWh, anaasɛ dɔnhwerew a wɔde di dwuma kɛse a ɛboro 10 kWh da biara. Saa tebea horow yi de $80-$150 a wɔde sie ɔsram biara ma, na ɛboa mfe 7-10 akatua bere a wɔde aban ne ɔman nkannyan bom no. Fa batere bo ka ho sɛ wo mpɔtam hɔ taa gyae adwumayɛ anaasɛ wode ahoɔden ahofadi di kan ka sikasɛm mu mfaso ho a.
Kwati batere a wode bɛtew ka so nkutoo sɛ wowɔ retail net metering a edi mũ-retail net metering, anyinam ahoɔden a ɛyɛ pɛpɛɛpɛ, nea wɔde di dwuma nyinaa a ɛba fam sen 600 kWh ɔsram biara, anaasɛ peak/off-peak spreads a ɛba fam sen $0.10/kWh. Wɔ tebea horow yi mu no, batere trɛw bere a wɔde tua ka no mu kɔ akyiri sen warranty a wɔde tua ho ka bere a ɛde sika a wɔde sie kakraa bi ma no. Sɛ backup power ho hia a, gye tom sɛ woretɔ ahotoso mmom sen sikasɛm mu nkɔso, a ɛda so ara yɛ gyinaesi a ɛfata a egyina w’ankasa nneɛma a ɛho hia so.
Bisa sikakorabea ho nkɔmhyɛ a ɛkɔ akyiri fi instɔler ahorow pii hɔ denam wo utility rates ankasa ne consumption patterns so. Nsusuiɛ a ɛfa su pa ho no bi ne bosome-by-ɔsram sikakorabea akontabuo a egyina wo utility no boɔ nhyehyɛeɛ pɔtee, ɔsɛeɛ ho nsusuiɛ, ne sikasɛm ho nsɛm a ɛyɛ nokware so. Kwati instɔlehyɛnfoɔ a wɔrentumi mfa mfasoɔ-akontaabuo pɔtee mma anaa saa sikakorabea ɔha mu nkyekyɛmu a ɛyɛ pɛ a ɛhyɛ bɔ a beaeɛ mfa ho-saa frankaa kɔkɔɔ yi kyerɛ nteaseɛ pa wɔ rate nhyehyeɛ a ɛkyerɛ batere sikasɛm ankasa ho.