Solar Self-Consumption Explained: Sɛnea Wode Tumi a Wo Panels De Ba no Pii Di Dwuma

Sɛ wo solar panels no resoma ahoɔden kɛseɛ bi asan akɔ grid no so awia biara berɛ a wo anwummerɛ anyinam ahoɔden ho ka kɔ so yɛ kɛseɛ a, wowɔ wo ho-consumption problem - ɛnyɛ production ho haw. Wɔkyerɛw akwankyerɛ yi fi owia nhyehyɛe nhyehyɛe ne ahoɔden a wɔhwɛ so ho adwene mu, na ɛtwe adwene si nea ɛkanyan dodow no ankasa so: bere a wɔde fa nneɛma, nhyehyɛe no kɛse, ne bere a batere nya ne gyinabea ankasa.

Owia ahoɔden a wode di dwuma ankasa no yɛ owia anyinam ahoɔden a wo fie anaa w’adwuma de di dwuma wɔ-beae no mu kyɛfa sen sɛ wode bɛkɔ amannɔne. Dodow a wo ankasa-de di dwuma dodow kɔ soro no, dodow no ara na wotɔ grid ahoɔden a ɛba fam - na wɔ nnɛyi utility tariff dodow no ara mu no, ɛhɔ na sika a wode sie no te.

Dɛn Ne Owia Ankasa-Adedi?

Owia ankasa-a wɔde di dwuma yɛ anyinam ahoɔden a wo panel ahorow no yɛ no ɔha biara mu nkyem a ɛde di dwuma tẽẽ wɔ agyapade no so, sen sɛ wɔde bɛkɔ grid no so anaasɛ wɔbɛtew so.

Sɛ wo mframa a wɔde yɛ adwuma, frigye, EV charger, pool pump, anaa aguadi mfiri no yɛ adwuma bere a owia abɔ a, saa nnesoa no betumi atwe tẽẽ afi wo owia ahoɔden a wode yɛ adwuma no mu. Biribiara a aka no sen kɔ grid no so anaasɛ sɛ wowɔ storage a, ɛbɔ battery bi ma akyiri yi.

Nkyerɛwde abiɛsa a mfaso wɔ so a ɛsɛ sɛ wode sie:

• Ɔno ankasa-di owia ahoɔden- a wɔde di dwuma wɔ-sait so sɛnea wɔyɛ no.
• Owia ahoɔden a wɔde kɔ amannɔne- a wɔde kɔ grid no so sɛ wɔmfa sika anaa akatua mma.
• Owia ahoɔden a wɔde asie- a wɔde ahyɛ batere mu de adi dwuma anwummere anaa anadwo.

Botae no nyɛ sɛ wobɛtaa akyi 100%. Botae no ne sɛ wobɛkyere owia bo a ɛsom wɔ ɔkwan biara so a wo mpɔtam hɔ towtua no tua ka kɛse.

Nhwɛso a Ɛyɛ Pɛpɛɛpɛ

7 kW atrae nhyehyɛe ma 30 kWh wɔ da a wim yɛ hann. Ofie no de ɛno mu kWh 12 di dwuma tẽẽ (fridge, AC, nkuku hohoro, adwuma-fi-fie ɛlɛtrɔnik mfiri) na wɔde kWh 18 kɔ amannɔne.

Ankasa-adetɔ nsusuwii: 12 ÷ 30=.40%. Ɛno yɛ mfitiaseɛ a ɛtaa ba ma ofie a ɛda mpan awia-a nhyehyɛeɛ biara nni mu na batere nni mu - na ɛtaa yɛ mfitiaseɛ a ɛyɛ mmerɛ sɛ wobɛtu mpɔn.
 

Sɛnea Wobɛbu Wo Solar Self-Consumption Ratio ho akontaa

Fa saa nhyehyɛe yi di dwuma:

Owia Ankasa-Nneɛma a Wɔde Di Dwuma=(Owia Ahoɔden a Wɔde Di Dwuma Wɔ-Beae ÷ Owia Ahoɔden a Wɔde Di Dwuma Nyinaa) × 100

Nhwɛso a wɔayɛ ho adwuma:

• Owia ahoɔden a wɔyɛ: 25 kWh
• Owia ahoɔden a wɔde di dwuma tẽẽ wɔ-beae: 15 kWh
• Owia ahoɔden a wɔde kɔ amannɔne: 10 kWh
• Ankasa-adetɔ nsusuwii: 15 ÷ 25 × 100=.60%

Nnɛyi nhwehwɛmu platform dodow no ara - SolarEdge, Enphase, Fronius, Tesla, Huawei, GoodWe, ne SMA dashboards - bɔ saa nɔma yi ho amanneɛ tẽẽ sɛ wɔde consumption CT clamp anaa smart mita ahyɛ mu a. Sɛ woanhwɛ nea wɔde di dwuma so a, wuhu nneɛma a wɔyɛ nkutoo, na ɛsɛ sɛ wubu wo ho-adedi ho akontaa fi wo utility no ntam data mu.

Owia Ankasa-Nneɛma a Wɔde Di Dwuma vs. Owia Ankasa-Nea Ɛdɔɔso

Nkurɔfo taa de nsɛmfua yi di dwuma de sesa wɔn ho wɔn ho. Wɔsusu nneɛma ahorow, na sɛ wɔma wɔn adwene tu fra a, ɛma wosi gyinae bɔne wɔ sɛnea nneɛma bɛyɛ kɛse ho.

3 kW nhyehyeɛ ketewa bi betumi abɔ 100% ankasa-a wɔde di dwuma (kWh biara de di dwuma) nanso 25% pɛ na ɛyɛ ne ho-a ɛdɔɔso (ɛkata ahwehwɛdeɛ nyinaa mu nkyem anan mu baako so). Ebia 12 kW nhyehyɛe kɛse bi bɛkata afe afe ahiade 80% so nanso ebenya 35% ankasa-de a wɔde di dwuma nkutoo efisɛ ɛyɛ adwuma boro so wɔ dapɛn awiei a owia bɔ kɛse.

Nnɔmba abien no mu biara nni hɔ a "eye" wɔ n'ankasa so. Nsusuwii a ɛfata no kari pɛ wɔ abien no nyinaa mu ne wo tow nhyehyɛe no.
 

Typical Solar Self-Consumption Rates a ɛwɔ Batere ne nea enni mu

Wɔn a wɔde di dwuma a wɔrehwehwɛ "dɛn ne owia ankasa-adedi dodow pa" pɛ sɛ wonya benchmark. Ranges dodow no ara installers ne monitoring platforms hu wɔ afuw no mu ni:

• Battery biara nni hɔ, nhyehyɛe biara nni hɔ:20–35% ma ofie a wɔtaa tra mu a wɔn a wɔte mu no fi hɔ awiabere.
• Battery nni hɔ, a awiabere adesoa sesa (nhorohoro, nkuku hohoro, EV, pool pump): 40–55%.
• Sɛ wode batere a ne kɛse fata (bɛyɛ 50–100% wɔ da biara da a wɔde di dwuma mu):65–85%, a egyina owia nsakraeɛ a ɛba wɔ mmerɛ mu so.
• Adwuma-fi-fie afie anaa awia nnwuma:mpɛn pii no 50–70% ansa na wɔde batere aka ho, efisɛ adesoa ne nea wɔyɛ no yɛ nea ɛne ne ho hyia fi awosu mu.
• Aguadi adan a ɛyɛ adwuma Memeneda–Fida anɔpa 8–anwummere 6:60–80% taa yɛ nea wɔankora so.

U.S. na ɛwɔ hɔƆman Ahoɔden a Wɔyɛ Foforo Ho Nhwehwɛmubeane Germany Fraunhofer ISE atintim nhwehwɛmu a ɛkɔ akyiri a ɛkyerɛ sɛ mmeae a ɛte saa ara wɔ Europa ne Amerika Atifi fam atrae ho nsɛm a wɔahyehyɛ mu. Sɛ wo nɔma no wɔ saa kwan yi ase koraa a, nhyehyɛe - ɛnyɛ nnwinnade - taa yɛ lever a edi kan a wɔtwe.

Nea enti a Solar Self-Consumption Ho Hia Ma Wo ROI

Sikasɛm mu asɛm a ɛfa ankasa-de di dwuma no gyina nsonsonoe a ɛda nɔma abien ntam so: nea wutua de fa grid anyinam ahoɔden ba amannɔne, ne nea wo utility tua wo wɔ nneɛma a wode kɔ amannɔne ho. Baabi a saa dodow no gu ahorow no, ankasa-di ne baabi a sikakorabea no te.

Net Metering vs. Export Credit Nokwasɛm ahorow a ɛfa Ɔmantam biara ho

Ankasa-adetɔ bo nyɛ amansan nyinaa - ɛyɛ wo mpɔtam hɔ towtua no aba:

• United States:Net Energy Metering (NEM) nhyehyeɛ no gu ahodoɔ wɔ ɔman biara mu. California NEM 3.0, a ɛyɛ adwuma firi April 2023 no, tew akatua a wɔde tua nneɛma a wɔde kɔ amannɔne no so kɛseɛ, na ɛmaa on-site a wɔde di dwuma no som boɔ koraa sene nneɛma a wɔde kɔ amannɔne. Aman afoforo a wɔwɔ retail net metering a edi mũ da so ara pɛ ɔkwan abien no mu biara. NoDSIRE database a ɛwɔ hɔdi mprempren mmara ahorow akyi ɔman biara.
• Australia:Feed-in ho toɔ akɔ fam akodu 4–8 c/kWh wɔ aman dodoɔ no ara mu berɛ a retail rates boro 30 c/kWh, na ɛde nsonsonoeɛ kɛseɛ aba a ɛde akatua kɛseɛ ma wɔn ankasa-a wɔde di dwuma ne battery a wɔkora so.
• United Kingdom:Smart Export Guarantee no sesaa kan feed-wɔ tariffs mu; Mprempren nneɛma a wɔde kɔ amannɔne no bo yɛ nea wɔde gua-na na ɛtaa ba fam koraa sen nneɛma a wɔde ba amannɔne bo.
• Germany:Mature self-consumption focus - wɔayɛ atrae nhyehyɛe pii pefee ama high on-site dwumadie sen sɛ wɔde bɛkɔ amannɔne.

Ansa na wobɛma biribiara ayɛ papa no, hwɛ sɛnea wo import rate ne wo export credit ntam ntrɛwmu. Sɛ nsonsonoe no sõ a, kWh biara a wobɛdan akɔ solar so no bo yɛ sika ankasa. Sɛ woda so ara wɔ agyapadeɛ 1:1 net metering a, ntɛmpɛ a ɛwɔ sɛ wobɛtaa wo ho-adedi akyi no sua koraa.

Sɛnea Wobɛma Owia Ankasa-Adedi a Wɔde Di Dwuma no Akɔ soro a Battery Nni Mu, Wɔahyehyɛ no sɛnea Nkɛntɛnso Te

Batere ntaa nyɛ ade a edi kan a ɛsɛ sɛ wɔtɔ. Mpɛn pii no, mfaso kɛse a wonya fi muadesoa a wɔde sesa nneɛma ho akwan horowa ɛnyɛ hwee anaasɛ ɛbɛn no. Wɔahyehyɛ no sɛnea nkɛntɛnso a ɛtaa ba ma atrae nhyehyɛe bi so:

1. Fa EV Charging kɔ Awia (Nkɛntɛnso a Ɛsen Biara) .

Wɔ afie a wɔwɔ EV fam no, charge taa yɛ adesoa biako a ɛso sen biara a wotumi di so - a ɛtaa yɛ 7–11 kWh wɔ nhyiam biara mu. Sɛ wodan fi anadwo charge so kɔ awiabere owia a ɛtwetwe so a, ebetumi ama ankasa-a wɔde di dwuma no akɔ soro ɔha biara mu nkyem 10–20 wɔ n’ankasa so.

Sɛ wo kar no wɔ fie awia a, hyehyɛ charger no ma ɛnhyɛ ase bere a owia ahoɔden a ɛboro so boro 2 kW. Smart chargers a efi Wallbox, Zappi, anaa Tesla boa owia-following modes. Sɛ wunnim sɛ ebia wobɛhyehyɛ anaaa Level 2 ofie EV charger a ɛwɔ fiene owia-aware nhyehyɛe, saa gyinaesi no mprempren taa yɛ sika a ɛkorɔn-leverage sen battery.

2. Yɛ nhyehyɛe ma Ɔhyew Pɔmpɛ Nsu a Wɔde Yɛ Ɔhyew ne Ɔtare Pɔmpɛ

Ɔhyew pɔmpɛ nsu a ɛyɛ hyew (3–5 kWh wɔ ɔhyew kyinhyia biara mu) ne ɔtare pɔmpɛ (1–2 kW nnɔnhwerew pii) yɛ adesoa akɛse, ɛyɛ mmerɛw, awiabere-adamfofa kwan so adesoa. Nnɛyi unit dodow no ara boa timer nhyehyɛe wɔ natively.

Ɛfata ma: ofie biara a ɛwɔ saa mfiri yi. Ɛnyɛ nea ɛfata: gas nsu a wɔde yɛ ɔhyew, ɔtare biara nni hɔ. Verification: ɛsɛ sɛ monitoring app kyerɛ flatter awiabere export curve wɔ dapɛn biako mu.

3. HVAC Pre-Adwo anaa Pre{2}}Ɔhyew

Wɔ wim tebea a ɛyɛ hyew mu no, tu AC denneennen wɔ anɔpa 11 ne awia 3 ntam na ama woadi kan-adan no ayɛ nwini, afei brɛ wo ho ase awia 4 akyi bere a owia ahoɔden akɔ fam no. Ɛyɛ adwuma yiye wɔ afie a wɔabɔ ho ban yiye-; ɛnyɛ nea etu mpɔn kɛse wɔ afie dedaw a nsu retu mu.

4. Nkuku Hohoro, Ntamahoro, ne Dryer Timers

Ankorankoro mfaso nketenkete (1–3 kWh wɔ kyinhyia biara mu) nanso sɛ wɔka bom a, ntease wom. Nnɛyi mfiri dodow no ara akyekye-wɔ delay-fi ase.

5. Tew Standby Loads so

Nkɛntɛnso a ɛba fam koraa ma ankasa-adedi dodow pɔtee - nanso sɛ wɔtew parasitic adesoa so (300–800 W wɔ ofie a wɔkyekyem pɛpɛɛpɛ mu) a, ɛtew sika a wɔbɔ nyinaa so.
 

Ansa na wobɛtɔ Battery no, Hwɛ Saa Nnɔmba 3 Yi

Eyi ne mfomso biako pɛ a yɛtaa hu: adetɔfo tɔ batere ansa na wɔahu sɛ ebia ɛbɛtua ka anaa. Ansa na wode wo nsa bɛhyɛ biribiara ase no, twe nɔma abiɛsa yi fi wo monitoring app ne utility portal no so:

1. Sɛ wɔkyekyem pɛpɛɛpɛ a, owia ahoɔden a wɔde kɔ amannɔne da biara da (kWh).Sɛ wode kɔ amannɔne a ennu 4–5 kWh da biara a, battery nni nea ɛboro so kakraa bi pɛ a ɛbɛtwe. Di kan yɛ nhyehyɛe a wɔyɛ no yiye.
2. Anwummere grid import wɔ 5pm ne 10pm (kWh) ntam.Eyi ne nea batere bi besiw ano ankasa. Ennu kWh 5 anwummere biara, na battery no sikasɛm mu asɛm no yɛ mmerɛw.
3. Nsonsonoe a ɛda wo bo a wode ba amannɔne ne wo bosea a wode kɔ amannɔne (¢/kWh) ntam.Fa saa nsonsonoe yi bɔ kWh a batere bi bɛkyinkyin da biara da, afei fa 365, na ama woabu sika a wɔbɛkora so afe biara no ho akontaa. 20 ¢/kWh nsonsonoe × 8 kWh/da × 365=bɛyɛ $580/afe. Fa toto battery a wɔde ahyɛ mu ho ka ho na woahu akatua ankasa.

Sɛ nɔma abiɛsa no nyinaa dɔɔso a, ebia ntease wɔ batere mu. Sɛ emu biara sua a, di kan siesie saa toa no.

Bere a Owia Battery yɛ nea ntease wom ma Ankasa-Adedi

Battery storage yɛ mfiri-akwan a egyina so a etu mpɔn sen biara a wɔfa so ma ankasa-a wɔde di dwuma - so no mu biako nanso bere a wɔadi atifi hɔ ahwehwɛde ahorow a edi kan no so nkutoo.Pairing owia ne battery akoraetaa yɛ nea ntease wom bere a:

• Wotaa de 8+ kWh/da kɔ amannɔne na wode 6+ kWh ba bere a owia akɔtɔ akyi.
• Wo utility de bere{0}}a-de di dwuma dodow a anwummere peaks a ne bo yɛ den di dwuma.
• Wo export credit no nnu wo import rate no 50%.
• Wohyia grid a ɛtaa twa na sɛ ɛsom bo sɛ backup power.
• Woreyɛ nhyehyɛe sɛ wode EV, ɔhyew pɔmpɛ, anaa induction cooking - adesoa bɛka ho a ɛbɛma wo anwummere aduan a wode di dwuma no akɔ soro.

Nteaseɛ nni mu berɛ a wode nneɛma dodoɔ no ara a wɔyɛ no di dwuma tẽẽ dedaw (adwuma-firi-fie a EV charge awiabere), berɛ a wowɔ agyapadeɛ net mita a ɛyɛ papa, anaa berɛ a wo anwummerɛ a wode di dwuma no sua ankasa.

Mfiridwuma ho nsɛm biako a ɛfata sɛ wo ne wo instɔler no ma so: AC-coupled ne DC{1}}coupled architectures yɛ wɔn ade soronko ma retrofits ne instɔlehyɛn foforo. Yɛn abubuw aAC-coupled vs DC-coupled batere a wɔkora soka adwumayɛ a etu mpɔn ne nea ɛne ne ho hyia ho aguadi ho asɛm kɔ akyiri. Sɛ wopɛ nsɛmmisa a ɛfa afie ho pɔtee a, hwɛsɛnea wobɛpaw batere ahoɔden a wɔde sie wɔ atrae.
 

Sɛnea Wɔbɛyɛ Owia Nhyehyɛe Foforo ama Ankasa -Adedi a Ɛkorɔn

Sɛ wo nnya nhyehyɛɛ a, eyi ne bere a self-consumption adwene tua ka kɛse.

Fa Wo Load Profile Di Kan, Panel Count Di Dwuma Nea Ɛto so Abien

Afie abien a wɔde 9,000 kWh di dwuma afe biara no betumi anya nsusuwii a eye sen biara a ɛsono emu biara koraa. Awia{3}}ofie a emu yɛ duru (adwuma-fi-fie, awiabere EV charge, pool) boa array kɛse; anwummere-ofie a emu yɛ duru hia nhyehyɛe ketewaa bi anaasɛ adekorabea na ama ntease aba mu.

Bisa wo instɔler no sɛ ɔnyɛ model production anyɛ yie koraa no asram 12 interval data a ɛfiri wo utility - mu ɛnyɛ afe afe total nko ara. U.S. Ahoɔden Dwumadibea no tintimakwankyerɛ a ɛfa owia ahoɔden a wɔde di dwuma wɔ atrae kɛse hoɛno hyɛ saa adesoa-kwan a edi kan yi mu den.

Mma Nnyɛ Nsuo Nsuo a Wonnyɛ Nhyehyɛeɛ

Sɛ wode tumi ka nhyehyɛe a ɛde nneɛma a wɔyɛ no 60% kɔ amannɔne dedaw no ho a, ɛntaa mma sikakorabea - tu mpɔn gye sɛ wowɔ nhyehyɛe a ɛbɛn-ma EV, ɔhyew pɔmpɛ, anyinam ahoɔden nsu a ɛyɛ hyew, anaa adwumayɛ dwumadi a wɔatrɛw mu. Oversizing sɛ "daakye-adanse" hedge yɛ adwuma sɛ daakye adesoa no yɛ nokware nkutoo a.

Susuw Split-Orientation Arrays ho

Nhyehyɛe a ɛho tew a ɛhwɛ anafo fam- (wɔ atifi fam fã) ma afe afe nneɛma a wɔyɛ nyinaa yɛ kɛse. Apuei-atɔeɛ anaa anafoɔ-atɔeɛ nhyehyɛɛ a wɔapaapae mu no ma nneɛma kakraa bi ba wɔ ne nyinaa mu nanso ɛtrɛw nneɛma a wɔyɛ mu wɔ nnɔnhwerew pii mu wɔ da no mu - mpɛn pii no ɛyɛ nea ɛfata yiye ma afie a wɔde wɔn adwene si wɔn ho-didi-fie a anɔpa ne awiabere dodow a ɛsen biara.

Atrae vs. Aguadi Owia Ankasa-Nneɛma a Wɔde Di Dwuma

Nsɛm abien no hwehwɛ sɛ wɔyɛ optimization playbooks a ɛsono emu biara koraa.

Nneɛma a Wɔbɛhwɛ wɔ Atenae mu

• Fa nneɛma a wɔde hwɛ nneɛma a wɔde di dwuma (CT clamp anaa smart meter) hyehyɛ mu.
• Kyerɛ wo nnesoa akɛse abiɛsa a wubetumi adi so (mpɛn pii no EV, HVAC, nsu mu ɔhyew).
• Set bere nhyehyɛe ne owia-aware nhyehyɛe ansa na woasusuw nneɛma a wɔkora so ho.
• San-susuw ankasa-adetɔ nsusuwii wɔ sikatua kyinhyia biako akyi.
• Afei nkutoo na fa batere kɛse hwɛ de toto nɔma 3 sɔhwɛ a ɛwɔ atifi hɔ no ho.

Aguadi Ho Nhwehwɛmu Nhoma

Wɔ aguadibea ahorow ho no, ankasa-adedi ho ntease trɛw ma ɛka ahwehwɛde ho ka ho, a ebetumi ayɛ 30–50% wɔ aguadi ho ka mu. Ɛsono akwan horow a wɔfa so tu ade no:

• Fa nnɔnhwerew a wɔde yɛ adwuma no toto nea wɔyɛ ho.Nnwuma a wɔyɛ adwuma Mon–Fri 8am–6pm taa nya 60–80% ankasa-de a wɔde di dwuma wɔ awosu mu. Nnawɔtwe awiei adwumayɛ ne leak - owia ahoɔden a wɔyɛ wɔ Kwasida ne Kwasida taa kɔ dodow no ara kɔ amannɔne.
• Di demand charges ho dwuma tẽẽ.Solar shaves a wɔde di dwuma ho ka;peak shaving a wɔde batere di dwumadi sobo a wɔbɔ wɔ nneɛma a wɔhwehwɛ ho dwuma. Eyinom yɛ bill line items ahorow abien na ɛhwehwɛ sizing logic soronko.
• Map nnwinnade adesoa kɔ owia ahoɔden a wɔyɛ so.HVAC, frigye, compressor, ne process heating ne nneɛma akɛse a wɔtaa de tu.
• Yɛ nhyehyɛe ma dapɛn awiei nneɛma a wɔde bɛkɔ amannɔne.Sɛ wo dapɛn awiei nneɛma a wode kɔ amannɔne no sõ na wo dapɛn awiei nneɛma a wode kɔ amannɔne no sua a, ebia nneɛma a wode sie no bo bɛyɛ nea ɛba fam sen nea wode bɛtɔ nneɛma a ɔte hɔ.

Sɛ wopɛ aguadi sikasɛm ho adwene a emu dɔ a, hwɛ yɛn mpaapaemu a ɛfasɛnea ahoɔden a wɔkora so wɔ aguadi mu no ma nnwuma sie sika.

Mfomso a Wɔtaa Tu a Ɛsɛ sɛ Wɔkwati

Chasing 100% Self-Nneɛma a Wɔde Di Dwuma

100% self-consumption number a efi nhyehyɛe ketewa bi mu nyɛ nkɔso - ɛkyerɛ kɛkɛ sɛ nhyehyɛe no sua dodo sɛ ɛbɛkata wo dwumadie so. Fa sika a wɔkora so afe biara nyinaa yɛ nea eye sen biara, na ɛnyɛ nea ɛbɛma woanya nsusuwii biako pɛ.

Battery a Wobɛtɔ Ansa na Woakenkan Wo Data

Sɛ wonni mfitiaseɛ export ne anwummerɛ import nɔma a, battery sizing yɛ guesswork. Nea ɛtaa fi nsusuwii hunu mu ba ne nhyehyɛe a ɛsõ dodo a ɛnkɔ kyinhyia koraa da.

Mmere mu Nsonsonoe a Wobu Ani Gu So

Ahohuru bere mu nneɛma a wɔde kɔ amannɔne no ka asɛm soronko bi fi awɔw bere mu AC-driven self-di. Anyɛ yiye koraa no, twe asram 12 a wɔde hwɛ nneɛma so ho nsɛm ansa na wode nsɛm aba awiei. NoU.S. Ahoɔden Ho Amanneɛbɔ Dwumadibeatintim bere bi mu nneɛma a wɔde di dwuma wɔ atrae mu ho nsɛm a ɛkyerɛ sɛnea nneɛma a wɔde di dwuma no sesa kɛse wɔ afe no mu nyinaa.

Net Metering a wɔbɛfa no sɛ Daa

Towtua nhyehyɛe ahorow sesa. California NEM 3.0 nsakraeɛ no ne nhwɛsoɔ a wɔafa aka kɛseɛ-nnansa yi, nanso Australia aman, UK SEG nsɛm, ne U.S. utility rate nsɛm sesa nneɛma a wɔde kɔ amannɔne sikasɛm daa. Yɛ nsakrae wɔ wo nhyehyɛe no mu sen sɛ wobɛtow kyakya wɔ nnɛyi tow a ɛbɛtra hɔ mfe 25 no so.

Nna 7-Nna Owia a Wɔde Di Dwuma Ho Nhwehwɛmu

Eyi yɛ akontaabu a wotumi de di dwuma, na ɛnyɛ nsɛm a ɛfa nneɛma nyinaa ho nhwehwɛmu. Da biara kyerɛ nea ɛsɛ sɛ wɔsusuw ne gyinaesi a data no de ba.

Da 1 - Kyerɛ Production ne Export Curves

Bue wo monitoring app no. Kyerɛw dɔnhwerew a wɔde yɛ nneɛma a ɛsen biara, da biara da kWh nyinaa, ne kWh a wɔde kɔ amannɔne nyinaa.Agyinaesie:sɛ nneɛma a wɔde kɔ amannɔne no nnu 3 kWh/da a, ɛbɛyɛ sɛ wo nhyehyɛe no kɛse sua - skip ahead to system upgrade evaluation.

Da 2 - Twe Utility Interval Data

US ne EU utilities dodow no ara de simma 15-simma 30 anaa simma 30 ntamgyinafo data ma denam adetɔfo portals so. Kyerɛ nnɔnhwerew abiɛsa a wɔde di dwuma kɛse da biara.Agyinaesie:sɛ saa nnɔnhwerew no yɛ anadwo nnɔnson akyi a, woyɛ anwummere-fie a emu yɛ duru - battery candidate kɔ soro.

Da 3 - Inventory Adesoa a Ɛyɛ Nsakrae

Kyerɛw adesoa biara a ɛboro 500 W a ɛkɔ so wɔ nhyehyɛe a wubetumi asesa so: EV, nsu a ɛyɛ hyew, ɔtare pɔmpɛ, nkuku hohoro, washer, dryer, HVAC. Bu akontaa sɛ emu biara kWh wɔ kyinhyia biara mu.Agyinaesie:abien a ɛwɔ soro denam kWh so no ne nneɛma a wode di kan wɔ nhyehyɛe mu.

Da 4 - Sesa Baako a Ɛkorɔn-Nkɛntɛnso Adesoa

Fa adesoa kɛse biako kɔ owia mfɛnsere no mu - EV charging ne nkonimdifo a wɔtaa di. Mma nnsesa biribi foforo biara; woreyi variable no afi afoforo ho.

Da 5 - Fa Da 4 Data toto Da 1 ho

Hwɛ nneɛma a wɔde kɔ amannɔne pɔtee. Da biara da nneɛma a wɔde kɔ amannɔne a ɛso tew 10–20% si so dua sɛ nsakrae no reyɛ adwuma.Agyinaesie:sɛ asehwe no nnu 5% a, na adesoa no nnyɛ kɛse ankasa anaasɛ na ɛnhyia koraa ne nnɔnhwerew a wɔde yɛ nneɛma - siesie bere.

Da 6 - Fa Adesoa Nsakrae a Ɛto so Abien ka ho

Stack nsakraeɛ baako bio - nsuo a ɛyɛ hyew nhyehyɛeɛ, pool pump, anaa HVAC pre-cool. Hwɛ anwummere nneɛma a wɔde ba amannɔne ne awiabere a wɔde kɔ amannɔne nso.

Da 7 - Si gyinae wɔ Nnwinnade Nkɔso ho

Bu nsonsonoe a aka no ho akontaa: dodow ahe na woda so ara de kɔ amannɔne, na dodow ahe na woda so ara de ba bere a owia akɔtɔ akyi? Fa saa nɔma ahorow no fa nɔma 3 sɔhwɛ no mu kan wɔ akwankyerɛ yi mu.Agyinaesie:sɛ nɔma abien no nyinaa da so ara yɛ kɛse a, wowɔ asɛm a wobetumi abɔ ho ban ama battery quote. Sɛ seesei nneɛma a wɔde kɔ amannɔne no sua a, batere asɛm no yɛ mmerɛw - kɔ so yɛ nhyehyɛe no yiye.

Awiei: Fa W’ahoɔden Nhwɛso no Yɛ Nea Ɛyɛ Paara, Ɛnyɛ Nea Ɛwɔ Hɔ

Solar self-consumption nyɛ metric kɛkɛ - ɛyɛ lens a ɛda no adi sɛ ebia wɔakyekye wo nhyehyɛe no ankasa atwa sɛnea wotra ase na woyɛ adwuma no ho ahyia. Nhyehyɛe a wɔde yɛ adwuma no yɛ pɛpɛɛpɛ wɔ wɛbsaet biara a yɛayɛ ama no so:

1. Fa data a wɔde hwɛ nneɛma so susuw nneɛma a wɔyɛ, nea wɔde kɔ amannɔne, ne nea wɔde di dwuma, na ɛnyɛ nsusuwii ahorow.
2. Fa nnesoa akɛse abien a wotumi di so no kɔ owia mfɛnsere no mu.
3. Re-susu wɔ sikatua kyinhyia akyi.
4. Tu mmirika 3-nɔmba sɔhwɛ no ansa na woabɔ bo a wɔkora so.
5. Fa storage size ne gap ankasa no hyia, na ɛnyɛ marketing default.

Owia nhyehyɛe a eye sen biara ne nea wɔayɛ atwa wo adesoa ankasa ho nsɛm, wo mpɔtam hɔ tow nhyehyɛe, ne wo daakye adesoa ankasa - a ɛnyɛ nhyehyɛe kɛse a ɔdan atifi betumi akura anaasɛ batere kɛse a adetɔnfo betumi atɔn.