Wo utility bill ka asɛm bi a facility managers dodow no ara bɛpɛ sɛ wɔnkenkan. Baabi a ɛda ahoɔden a wɔbɔ ne nea wɔhwehwɛ ntam no, nɔma bi te hɔ a ɛne anyinam ahoɔden dodow a wode dii dwuma ankasa-ne biribiara a ɛfa ho nni hwee yɛberɛ bɛnwode dii dwuma. Saa simma 15 ahwehwɛde a ɛkɔ soro wɔ 4:30 PM wɔ Yawda bi no? Ɛde wo rate a wode bɛma ɔsram no nyinaa no si hɔ ara kwa.
Adesoa a ɛsakra a battery ahoɔden a wɔkora so no dannan saa ɔhaw no wɔ ne ti so. Nnwumakuw de redi dwumabatere ahoɔden a wɔkora so nhyehyɛe ahorowsɛ wɔbɛkora anyinam ahoɔden a ne bo nyɛ den a ɛnyɛ -peak na wɔayi afi mu bere a grid rates kɔ soro no. Nsonsonoe no taa da adi wɔ sikatua kyinhyia a edi kan koraa no mu. Yehu sɛ aguadidan ahorow twe anyinam ahoɔden ho ka so tew ɔha biara mu nkyem 15 kosi 40 denam BESS nhyehyɛe ahorow a wɔayɛ no yiye-ne sikakorabea a wɔde sie no so bere a adwumayɛfo sua sɛ wɔbɛsiesie wɔn charge/discharge nhyehyɛe no yiye-wɔ asram kakraa a edi kan no mu.
Nea Load Shifting Kyerɛ wɔ Battery Energy Storage mu
Adesoa a wɔsesa no de anyinam ahoɔden a wɔde di dwuma no fi nnɔnhwerew a nnipa pii kɔ hɔ a ne bo yɛ den so kɔ mfɛnsere a ne bo yɛ mmerɛw a ɛnyɛ adwuma pii so. Womfa ahoɔden kakraa bi nni dwuma-wosan hyehyɛ bere a wɔadi no. Adwene no yɛ mmerɛw-charge battery wɔ $0.08/kWh anadwo biako, discharge no $0.25/kWh wɔ awiabere ahopere bere mu-nanso ɛyɛ basaa ne akwan abien a ɛfa ho.Peak shaving a wɔde yiyi wɔn ticaps wo tumi a ɛkorɔn sen biara twetwe de tew demand charges.Adesoa a wɔde hyɛ muflattens wo consumption profile wɔ da mũ no nyinaa mu. Load shifting pɔtee di bere-a-de di dwuma rate gap: kilowatt koro- nnɔnhwerew, soronko koraa bill.
Bere{0}}de{1}}de di dwuma bo abɛyɛ gyinapɛn wɔ U.S. utility gua dodow no ara so. Awiabere ne anwummere ntɛm bo no kɔ soro mmɔho abien kosi abiɛsa sen anadwo bo-ɛtɔ mmere bi a ɛboro so wɔ aman te sɛ California ne Massachusetts. Batere a wɔde sie nhyehyɛe bi bɔ ka wɔ saa mfɛnsere a ne bo nyɛ den no mu na ɛma ahoɔden a wɔde asie no fi hɔ bere a ne bo kɔ soro no. Oprehyɛn ahorow no nnyae. Grid no nhu nhyɛso kakraa bi. Sika a wɔbɔ no so tew.
Sɛnea BESS Mfiridwuma Ma Adesoa a Wɔsakra no Yɛ Mfaso
Adesoa a wɔsesa sɛ adwene no ayɛ nea ɛwɔ hɔ fi 1930 mfe no mu. Nanso wɔ saa abakɔsɛm no mu dodow no ara mu no, na nnwinnade a na ankorankoro nnwuma wɔ no sua koraa-sɛ ɛtew adesoa so na ɛhwere adwumayɛ, anaasɛ wɔde diesel generator a ne pɛtro ho ka ne mframa a wɔtow gu nyinaa di dwuma. Nea ɛsakraa biribiara ne lithium iron phosphate (LFP) batere mu nnuru a ɛbɔɔ aguadi mu nsenia.
| Cycle asetra | 5,000–6,000 kyinhyia wɔ 80% DoD (mfe 13–15 a wɔde tu kwan da biara da) . |
| Round-akwantuo a ɛyɛ adwuma yie | 85–95% |
| Mmuae bere | Milisekɔn a wɔde yɛ adwuma |
| Ɔhyew a wɔde guan no aboboano | 270℃(vs. ~150℃ma NMC)-ogya ho asiane a ɛba fam, insurance ho sika a ɛba fam |
Afei cost curve no yɛɛ ne deɛ. Battery packs fii $1,100/kWh wɔ afe 2010 mu kɔɔ fam $140/kWh wɔ afe 2023 mu (BloombergNEF). Payback bere mabatere ahoɔden a wɔkora so nhyehyɛe ahorow a wɔde di guasii fam wɔ mfe 3.5 kosi 5 ntam. Ɛno ne dodow a ɛmaa CFOs yɛɛ aso.
Aguadi ne Mfiridwuma mu Adesoa a Wɔsesa ne Batere a Wɔde Sie
Ɛnyɛ adwumayɛbea biara na wonya mfaso koro no ara. Sikasɛm no gyina nneɛma abiɛsa so: wo rate nhyehyɛe, wo load profile, ne sɛnea wowɔ nsakrae ankasa wɔ nhyehyɛe dwumadi ahorow mu.
Nneɛma a Wɔyɛ ne Nnwumayɛbea Dwumadi
Eyi ne baabi a sikasɛm mu nsɛm no bɔɔ kɛse. Wɔ anyinam ahoɔden ho ka a wɔtaa tua wɔ mfiridwuma mu no, ɛka a wɔbɔ wɔ anyinam ahoɔden a wɔhwehwɛ ho no yɛ ne nyinaa mu ɔha biara mu nkyem 30 kosi 50. Nnwumayɛbea ahorow a wɔyɛ dade, plastic a wɔde fi mu, nneɛma a wɔkora so wɔ awɔw mu, anaa aduan a wɔyɛ no nyinaa hyia ɔhaw koro: simma 15{6}}ahwehwɛde a ɛkɔ soro biako pɛ wɔ bere a wɔsesa adwuma anaa mfiri a wɔrefi ase no na ɛde sika a wɔbɔ wɔ sikatua bere no nyinaa ho si hɔ. Dɔnhwerew anan biako bɔne, nnafua 30 a ɛkɔ soro.
Fix no yɛ adwuma kɛse sen sɛnea ɛte. Stagger wo compressor ne conveyor startups sɛnea ɛbɛyɛ a wɔn nyinaa rentwe prɛko pɛ. Sesa HVAC preconditioning no kɔ anadwo nnɔnhwerew bere a ne dodow sua koraa no. Afei ma BESS bi nnye awiabere spike biara a aka. Adwumayɛbea bi a ɛde 1.5 MW peak load di dwuma no betumi de 1 MWh battery system ahyɛ mu na abɔ 400–500 kW afi saa spike no so. Wɔ $18/kW/ɔsram wɔ ahwehwɛde ho ka mu no, ɛno yɛ $7,200–$9,000 a wɔbɔ ɔsram biara-boro $86,000 afe biara ansa na wɔakan ahoɔden arbitrage. Yɛahu sɛ afifide abɔ payback wɔ nea ennu mfe anan mu denam saa profile no so, ɛtɔ mmere bi a ɛyɛ ntɛmntɛm bere a ɔman no nkannyan ahorow wɔ agoru mu no.
Ɛfata sɛ yɛka nneɛma a wɔde sie nwini mu ho asɛm titiriw. Pre-cool adekoradan no anadwo wɔ $0.06–0.08/kWh, afei ma ɔdan no mu ɔhyew mass no mfa ɔhyew nkɔ awiabere rate mfɛnsere bere a grid bo mmɔho abiɛsa. Batere no di nneɛma afoforo a ɛwɔ adwumayɛbea hɔ ho dwuma wɔ saa nnɔnhwerew no mu. Ɛkame ayɛ sɛ compressor ahorow no ntumi nkɔ. Ka a wɔbɔ wɔ nneɛma a wɔhwehwɛ ho no so tew. Ɛyɛ applications a ɛho tew sen biara no mu biako efisɛ ɔdan no ankasa bɛyɛ storage strategy no fã.
Aguadi Sukuupɔn ne Ɔfese Adan
Ɛkame ayɛ sɛ nea ɛnhyia no yɛ serew wɔ krataa so. Aguadi sukuupɔn a ɛwɔ ɔdan atifi owia ahoɔden ma ahoɔden a ɛsen biara ba bɛyɛ awiabere-bere a nnipa a wɔte hɔ no sua, adesoa a ɛma onwini yɛ nea ɛkɔ fam, na anyinam ahoɔden bo yɛ mmerɛw. Sɛ wɔankora so a, wɔde saa sika a ɛboro so no kɔ amannɔne wɔ net metering rates a ɛnyɛ papa so anaasɛ ɛnkɔ baabiara. BESS bi fa saa awiabere owia no, kura mu, na ɔpia no san fi adi 5:30 PM bere a obiara akyi, AC no reyɛ krank, na TOU rates no bɔ wɔn da biara da max. Sukuupɔn biako a yɛhwɛɛ mu no de anyinam ahoɔden a wɔde di dwuma nyinaa mu ɔha biara mu nkyem 25 kɔɔ mfɛnsere a ne bo nyɛ den so na ɛtew afe afe anyinam ahoɔden ho ka so dɔla mpempem pii a wɔantew nea wɔde di dwuma no so koraa. Pure rate arbitrage a ɛyɛ fɛ.
Grid Nnwuma ne Mfasoɔ-Scale Applications
Utilities nso retɔ wɔ saa kwan yi mu-titiriw wɔ mmeaeɛ a grid infrastructure reyɛ anyin anaasɛ renewable penetration no boro ahwehwɛdeɛ nhyehyɛeɛ so.BESS a wɔde nneɛma gu muinstallations wɔ distribution level no betumi atwe substation upgrades a anka ɛbɛkɔ ɔpepem du du no akɔ akyiri. Amanaman Ntam Asoɛe a Ɛhwɛ Ahoɔden a Wɔyɛ Foforo So no kyerɛ sɛ nneɛma a wɔhwehwɛ a ebetumi atew so no bɛyɛ ɔha biara mu nkyem 20 wɔ gua ahorow a ahoɔden a wɔyɛ no foforo pii wɔ hɔ no so.
BESS Mfiridwuma ne Sizing a wɔde yɛ Load Shifting Applications
Batere mu nnuruyɛ ho hia. Nanso saa ara na ahoɔden sohwɛ nhyehyɛe a ɛte ne soro no nso te, ne sɛ ebia nneɛma a wɔde ahyɛ mu no nyinaa kɛse yɛ nea ɛfata ma adesoa ho nsɛm ankasa-ɛnyɛ nea ɛyɛ nsusuwii a efi adetɔn deck mu no.
Wɔ facilities a wɔde toto ho no hoahoɔden a wɔkora so nhyehyɛe ahorow ne mfiridwuma, LFP titiriw abɛyɛ default ama da biara da-cycling applications. Cobalt biara nni hɔ a ɛkyerɛ sɛ nneɛma a wɔde ma a ɛyɛ den. Kyinhyia nkwa nna kyɛ sen NMC ɔha biara mu nkyem 40–60 wɔ wiase ankasa-wiase gyinabea ahorow a wɔde si hɔ mu. Na ahobanbɔ margin-270℃thermal runaway threshold versus NMC ~150℃-ma nsonsonoeɛ a ɛda adi ma insurance underwriting ne permitting, titire wɔ mmeaeɛ a ɛbɛn adan a wɔte mu.
EMS layer no ne baabi a sikakorabea no nya optimized. Ahoɔden sohwɛ nhyehyɛeɛ a wɔahyehyɛ no yie -di utility rates, wim tebea ho data, facility load patterns, ne battery state of charge akyi, na ɛsesa charge/discharge nhyehyeɛ no wɔ berɛ ankasa mu de kyere rate spreads a nsaano nhyehyɛeɛ bɛyera koraa. Predictive algorithms betumi ama mfiri a wɔde fi ase no ayɛ basaa, de discharge ne owia awo ntoatoaso curves ahyia, na ɛkari pɛ da biara da sika a wonya wɔ bere tenten-cell a ɛsɛe. Nsonsonoeɛ a ɛda mfitiaseɛ timer-based controller ne predictive EMS ntam? Mpɛn pii no ɔha biara mu nkyem 20–30 wɔ afe afe sikakorabea a efi hardware koro no ara mu.
BESS Nsiesiei a wɔtaa yɛ ma Load Shifting
Sizing gyina load profile so, nanso bɛyɛ sɛnea ɛpaapae ni:
| Nsiesiei a Wɔde Yɛ Adwuma | Deɛ ahoɔden bɛtumi | Nea eye sen biara Ma | Sikakorabea a Wɔtaa De Sie a Wɔhwehwɛ |
|---|---|---|---|
| Abɔnten so Kabinet | 100–500 kWh na ɛyɛ adwuma | Retail, office, nneɛma nketewa a wɔyɛ | $1,000–$5,000/ɔsram biara |
| Nneɛma a Wɔde Gu Mu Baako | 1–2 MWh na ɛyɛ adwuma | Mid-size mfiridwuma, sukuupɔn ahorow | $5,000–$15,000/ɔsram biara |
| Multi-Akoraeɛ | 3–5+ MWh na ɛyɛ adwuma | Mfiridwuma a emu yɛ duru, mfaso-a ɛbɛn | $15,000+/mo |
Aguadi nketewa kosi mfinimfini-kɛse (100–500 kWh):Abɔnten kabinet nhyehyɛe ahorow yɛ adwuma yiye wɔ ha. Polinovel de no yɛ adwumaabɔnten so kabinet BESSwɔ 60 kW / 121 kWh kosi 125 kW / 241 kWh kwan so no kata nnɔnhwerew 2–4 a wɔde siw ahwehwɛde ano ma aguadi adan dodow no ara. Wɔfata wɔ mmeae a wɔde kar sisi, ɔdan atifi, anaa mfiri gyaade, wɔde di nkitaho kɔ anyinam ahoɔden panels a ɛwɔ hɔ dedaw a ɛnyɛ beae no ho ahosiesie, na wɔde BMS a wɔaka abom, nsu a ɛma onwini, ne ogya a wɔde siw ano -no multi-vendor integration headache on site. 200 kWh cabinet a wɔde abɔ mu ne 100 kW inverter yiyi 100 kW fi ɔdan bi awiabere spike so. Sɛ wo demand charge no yɛ $15/kW/ɔsram a, saa tu biako pɛ no ma wokora $1,500/ɔsram.
Mfiridwuma ne sukuupɔn akɛse (1 MWh+):Nhyehyɛe ahorow a wɔde nneɛma gu mu. Polinovel a ɛyɛ anammɔn 20-adeɛ a ɛyɛ gyinapɛn a ɛwɔ LFP tumi a ɛyɛ 1–2 MWh a ɛwɔ ahoɔden nsakraeɛ nhyehyɛeɛ a ɛyɛ 500 kW no kyinhyia da biara bɛboro mfeɛ du. Multi-container deployments scale kɔ 5 MWh ne nea ɛboro saa. Saa units yi ba a wɔaka abom koraa-battery racks, PCS, thermal management, ogya a wɔde siw ano, ne BMS nyinaa a wɔasɔ ahwɛ wɔ adwumayɛbea ansa na wɔde amena. Mpɛn pii no, adwuma a wode bɛhyɛ adwuma mu no gye adapɛn pii, ɛnyɛ asram a anka wode bɛhyehyɛ battery, inverter, ne controls adetɔnfo a ɛsono wɔn ho wɔn ho no.
Ahoɔden a Wɔde gyina Ano: Bonus a Wɔasisi-Wɔ Mu
Adesoa-sesa BESS wɔ infrastructure dedaw ma backup tumi. Wɔ grid a ɛtwa mu no, batere koro no ara a ɛtaa ma rate arbitrage yɛ papa no ma adwumayɛ a ɛho hia no kɔ so yɛ adwuma-ayaresabea, data centers, nsuo a wɔde yɛ adwuma, kɔ so yɛ. Sɛ wode backup tumi ka nhyehyɛe a ɛwɔ hɔ dedaw ho a, ɛbɔ ka fã ketewaa bi wɔ standalone backup a wode bedi dwuma no mu. Pair no ne on-site solar na nhyehyɛe no betumi ayɛ supɔw koraa.
Eyi nyɛ sikasɛm mu ade titiriw a ɛma nnwuma dodow no ara yɛ adwuma. Nanso ɛsesa asiane ho akontabuo, titire ma mmeaeɛ a nnɔnhwerew anan-a ɛtwa batere no ho ka boro batere nhyehyɛeɛ no ankasa so.
Sikasɛm mu Asɛm a Wɔbɛyɛ ama BESS Load Shifting
Twe wo utility ho ka kɔ soro. Tetew sika a wɔhwehwɛ no fi ahoɔden ho ka no mu. Hwehwɛ wo TOU rate nhyehyɛe na hyɛ ntrɛwmu a ɛda high-rate ne low-rate windows ntam no nsow. Afei nya wo nsa wɔ asram 12 interval meter data-utilities dodow no ara de simma 15 anaa dɔnhwerew biara data ma denam wɔn intanɛt portals so.
Nhwɛso a wɔayɛ ho adwuma ni. Ka sɛ wohwɛ adwumayɛbea a ɛyɛ anammɔn 200,000 sq ft wɔ Texas a ɛwɔ 2 MW ahwehwɛdeɛ kɛseɛ, ahwehwɛdeɛ ho ka yɛ $14/kW/ɔsram, ne $0.12/kWh a ɛtrɛ wɔ off{6}}peak ne on-peak rates ntam. Wode 1 MWh / 500 kW a ɛwɔ nsukorabea BESS hyehyɛ mu.
Nhyehyɛe no yiyi kW 400 fi wo ɔsram biara dodow a ɛsen biara no so. Wɔ $14/kW, ɛno yɛ $5,600/ɔsram wɔ ahwehwɛde ho ka a wɔde sie nkutoo-$67,200 wɔ afe biako mu. Layer on energy arbitrage: sakre 1 MWh da biara wɔ $0.12/kWh a 90% round-akwantuo yie ma bɛyɛ $27,000/afe wɔ adwumayɛ nna 250. Sɛ wɔka sika a wɔde sie afe biara bom a, ɛbɛyɛ dɔla 94,000. Sɛ yɛde toto ɛka a wɔde ahyɛ mu koraa a ɛyɛ $350,000–$400,000 a, worehwɛ mfe 4 kosi 4.5 a wobɛtua ansa na woanya nkannyan. Fa federal Investment Tax Credit no di dwuma na ɛno so tew bɛyɛ mfe 3.
Demand mmuae nhyehyɛe ahorow layer wɔ soro. Nnwumakuw bi tua $50–$200/kW/afe ma battery ahoɔden a wɔakyerɛw din wom. Wɔ 500 kW nhyehyɛe ho no, ɛno yɛ $25,000–$100,000 foforo wɔ afe afe sika a wonya a egyina gua ne nhyehyɛe nhyehyɛe so.
Wɔ ahyehyɛde ahorow a wɔreyɛ nhyehyɛe no famnnwuma akɛse-a ɛyɛ batere ahoɔden a wɔkora so, sikasɛm kɔ so nya nkɔso. Batere ho ka da so ara rekɔ fam. Nsonsonoe a ɛda bo a ɛkɔ soro da biara da ne mfɛnsere a wɔde di dwuma anadwo ntam no retrɛw wɔ gua dodow no ara so. Nneɛma abien no nyinaa ma bere a wɔde tua ka no yɛ tiaa.
Sɛnea Wobefi Load Shifting Project ase denam BESS a Ɛfata no so
- Fi ase denam data so, na ɛnyɛ nnwinnade so.Yɛ ahoɔden ho nhwehwɛmu, yɛ mfonini a ɛkyerɛ sɛnea wɔde di dwuma dɔnhwerew biara, na kyerɛ adesoa ahorow a ebetumi atu ankasa a ɛrenhaw nneɛma a wɔyɛ. Wɔn a wɔtaa yɛ no bi ne HVAC preconditioning, nsu a wɔde yɛ hyew, EV fleet charging, ne batch processing. Nnwumayɛbea binom hu sɛ wɔn ahwehwɛde a ɛkɔ soro no ɔha biara mu nkyem 30–40 fi akwan horow a ɛnyɛ den sɛ ɛbɛdan akɔ bere foforo so. Afoforo hu sɛ wɔato wɔn peaks no mu wɔ production nhyehyɛe ahorow mu, a ɛkyerɛ sɛ ɛsɛ sɛ battery no twetwe shift no nyinaa.
- Size to the demand delta, ɛnyɛ nea wɔde di dwuma nyinaa.Polinovel mfiridwuma kuo no yɛ yei daa-hwehwɛ interval mita data mu, yɛ modeling demand charge ne arbitrage savings wɔ nhyehyeɛ ahodoɔ ase, na wɔkyerɛ cabinet anaa containerized system a ɛfata ma site no. Adwumayɛbea a ɛde 50,000 kWh/ɔsram no nhia batere kɛse. Ebia ebehia kWh 200 pɛ na ama wɔatumi atwitwa ahwehwɛde a ɛkɔ soro a ɛde sika no ɔha biara mu nkyem 35 no so. Mfomsoɔ akɛseɛ ba berɛ a nhyehyɛeɛ no yɛ kɛseɛ boro so a egyina kWh nyinaa so sene sɛ ɛbɛgyina peak-to-off-peak gap ankasa so.
- Hwɛ sɛ wodi mmara so ansa na woatɔ.Hwɛ sɛ wo nhyehyɛe no kura UL 9540 adansedi ne UL 9540A ogya sɔhwɛ data-eyinom ka tumi krataa bere nhyehyɛe ne insurance a ɛfata tẽẽ. Polinovel nhyehyɛe ahorow no de abien no nyinaa ka ho, ne LFP nkwammoaa, BMS a wɔaka abom, nsu a ɛma onwini, ne ogya a wɔde siw ano, ne nyinaa yɛ adwumayɛbea-sɔhwɛ na wɔasiesie sɛ wɔde bɛhyɛ adwuma mu wɔ adapɛn kakraa bi akyi bere a wɔde ama no.
- Optimize kɔ so wɔ install akyi.Track adwumayɛ ɔsram biara. Sesa wo charge/discharge windows bere a rate nhyehyɛe sesa wɔ bere biara mu na facility loads sesa. Nnwuma a ɛtwetwe sanba a eye sen biara no ne nea obi rehwɛ dashboard no ankasa-ɛnyɛ nea battery no te auto so na obiara nhwɛ sɛ EMS nhyehyɛe no da so ara ne mprempren rate nhyehyɛe no hyia anaa.