a i ʻole
Ma ka liʻiliʻi he 8 mau huapalapala
Loaʻa i kahi helu
Ma ka liʻiliʻi he 1 hua nui
a i ʻole

E hōʻoia i kāu leka uila

Ua hoʻouna mākou i kahi helu hōʻoia i

ʻAʻole i loaʻa ke code? Hoʻouna hou

E hoʻopiha i kāu moʻolelo

Ua hōʻoia ʻia ka leka uila! E hoʻopiha i kāu ʻaoʻao ma lalo.

Nā Kūlana a me nā Kūlana

ʻO ka papa holoi holoiʻo Solap RII: E hōʻoia i ka hana hana a me ka uku

Solar-panel-cleaning-ROI-analysis

Hāʻawi ka hoʻomaʻemaʻe ʻana o ka solar panel i ka awelika 350% ROI makahiki mua ma muli o kā mākou noiʻi piha ʻana o 4,500 mau hale noho ma ʻAmelika Hui Pū ʻIa. Hōʻike kēia hōʻike kikoʻī i nā loaʻa kūpono kūpono, nā ʻano hoʻihoʻi ʻāina, a me ka loiloi nā mea e hoʻonui ai i kāu hoʻihoʻi kālā mālama lā.

Kaʻina noiʻi: ʻikepili hoʻokomo ʻana o US

Kūlana ana maʻamau

Hoʻohana ʻia kā mākou loiloi i nā ʻano hana ʻepekema ikaika i kūkulu ʻia ma luna o 42 mau mahina o ka noiʻi kahua:


Key Figures

Ua aʻo ʻia nā mea hoʻonoho (2021-2024):

  • 4,247 hale noho(4-12 kW mana)
  • 653 hoʻonoho pāʻoihana(25-250 kW mana)
  • ʻO nā ʻāpana aniau āpau o UShoikeia
  • Nā hoʻonohonoho like ʻolea hui pū ʻia nā kihi hiʻi

Nā ana ma mua/ma hope o ka hoʻomaʻemaʻe ʻana:

  • Hana ʻana i ka ikehu (kWh)ana 30 lā ma mua/ma hope o ka hoʻomaʻemaʻe
  • Puke mana kiʻekiʻema lalo o nā Kūlana hoʻāʻo maʻamau
  • Hana welakālailai ʻokoʻa
  • Volta kaapuni wehe (Voc)a me ke au o ke kaapuni pokole (Isc)

Nā mana hoʻoponopono maʻamau i ka wā:

  • ʻO ka mālamalama o ka lā i loko ±5% (ka ʻikepili pyranometer i hoʻopaʻa ʻia)
  • ʻokoʻa ʻokoʻa o ka wela ambient ±5°F kiʻekiʻe
  • Nā kūlana makani hoʻohālikelike i nā wā ana

 

Mālama kēia ʻano hana koʻikoʻi i nā hopena hilinaʻi e pili ana i nā lanakila hana hoʻomaʻemaʻe maoli.


Ana ʻia ka loaʻa ʻana o ka pono e ka pae hoʻohaumia

lepo māmā (0-6 mahina me ka hoʻomaʻemaʻe ʻole)

Nānā ʻia nā hale noho: 1,547 ʻōnaehana

ʻAwelika ana loaʻa:

  • Hana i ka ikehu:+14.2% (±2.3%)
  • ʻO ka hana hikiwawe:+10.1% (±2.1%)
  • Hoemi wela hana:-5.8°F awelika
  • Ka wā uku:2 mahina

Pūnaehana 7.5 kW Lunamakaainana (Arizona):

  • Ma mua o ka hoʻomaʻemaʻe ʻana: 1,240 kWh / mahina
  • Ma hope o ka hoʻomaʻemaʻe ʻana: 1,416 kWh / mahina
  • Loaʻa i kēlā me kēia mahina: +176 kWh (+14.2%)
  • Hoʻokoe kālā hoʻohana: $21.12 / mahina
  • Loaʻa nā hōʻaiʻē helu ʻana: $17.60 / mahina
  • Pōmaikaʻi kālā o kēlā me kēia mahina: $38.72

Hoʻohaumia haʻahaʻa (6-18 mahina i mālama ʻole ʻia)

Nānā ʻia nā ʻōnaehana: 1,789 hoʻonohonoho

Nā hoʻomaikaʻi nui i kākau ʻia:

  • Hana i ka ikehu:+23.6% (±4.1%)
  • ʻO ka hana kiʻekiʻe:+19.7% (±3.6%)
  • Hoemi wela:-12.2°F awelika
  • Ka wā uku:1 mahina

Nānā hihia 10 kW ʻōnaehana (California Central Valley):

  • Hoʻomaʻemaʻe mua: 1,547 kWh / mahina
  • Ma hope o ka hoʻomaʻemaʻe: 1,912 kWh / mahina
  • Loaʻa i kēlā me kēia mahina: +365 kWh (+23.6%)
  • Mālama i nā pono: $43.80 / mahina
  • Loaʻa ka loaʻa kālā: $36.50 / mahina
  • Pōmaikaʻi kālā o kēlā me kēia mahina: $80.30

Ka lepo nui (18+ mahina i haʻalele ʻia)

Ua aʻo ʻia nā hoʻonohonoho koʻikoʻi: 678 ʻōnaehana

Ua hōʻoia ʻia nā lanakila maikaʻi ʻole:

  • Hana i ka ikehu:+31.8% (±6.2%)
  • ʻoi loa ka maikaʻi:+27.4% (±5.1%)
  • Hoemi wela:-18.7°F awelika
  • Ka wā uku:4 mahina

ʻO ka ʻōnaehana ʻoi loa 12 kW (wahi ʻoihana Texas):

  • Hoʻomaʻemaʻe mua: 1,823 kWh / mahina
  • Ma hope o ka hoʻomaʻemaʻe: 2,403 kWh / mahina
  • Loaʻa i kēlā me kēia mahina: +580 kWh (+31.8%)
  • Mālama pono: $69.60 / mahina
  • Loaʻa ka loaʻa kālā: $58.00 / mahina
  • Pōmaikaʻi kālā o kēlā me kēia mahina: $127.60

Ka nānā 'ana ROI āpana 'āina ma waena o nā ʻāpana aniau o US

Desert Hema Komohana (Arizona, Nevada, Kaleponi Hema)

Nā Kūlana: ʻO ka lā maikaʻi loa + nā ʻino lepo + ka liʻiliʻi o ka ua

Awelika 7.5 kW ʻōnaehana hana:

  • ʻO ke kumukūʻai hoʻomaʻemaʻe ʻoihana:$200/makahiki (4 mau lawelawe)
  • Loaʻa i ka hana makahiki:+2,147 kWh
  • Ka mālama kālā hoʻohana:$257.64 / makahiki
  • Loaʻa ka loaʻa kālā ana ʻana:$214.70 / makahiki
  • Huina pomaikai makahiki:$472.34 / makahiki
  • ROI makahiki mua:236%

Mea hoʻonui āpana: Hoʻonui ka irradiance kiʻekiʻe i nā loaʻa kālā

E hoʻonui i kāu hoʻokomo ʻana i ka wao nahele me kā mākou PVGIS24 lā helu helu hookomo ana 20 mau ʻāpana hana kikoʻī o ka wao nahele.


Kaleponi Waena Valley

Nā Kūlana: ʻO ka lepo mahiʻai + nā hopena o ka wā + nā pilikia o ka ea

Awelika 10 kW ʻōnaehana hana:

  • ʻO ke kumukūʻai hoʻomaʻemaʻe ʻoihana:$280/makahiki (5 mau lawelawe)
  • Loaʻa i ka hana makahiki:+3,124 kWh
  • Ka mālama kālā hoʻohana:$374.88 / makahiki
  • Loaʻa ka loaʻa kālā ana ʻana:$312.40 / makahiki
  • Huina pomaikai makahiki:$687.28 / makahiki
  • ROI makahiki mua:245%

Pono ke awāwa: Hoʻokumu ka haumia mahiʻai i nā manawa kiʻekiʻe


Kaikuono o Texas

Nā Kūlana: Nā hoʻokuʻu ʻoihana + paʻakai kahakai + haʻahaʻa + ʻino

Awelika 8.5 kW ʻōnaehana hana:

  • ʻO ke kumukūʻai hoʻomaʻemaʻe ʻoihana:$320/makahiki (6 mau lawelawe - ho'ōla 'ino)
  • Loaʻa i ka hana makahiki:+2,687 kWh
  • Ka mālama kālā hoʻohana:$322.44 / makahiki
  • Loaʻa ka loaʻa kālā ana ʻana:$268.70 / makahiki
  • Huina pomaikai makahiki:$591.14 / makahiki
  • ROI makahiki mua:185%

Mea kūikawā ʻo Gulf Coast: Hoʻohui ka pale ʻana i ka corrosion i ka waiwai lōʻihi ma mua o ka loaʻa ʻana o ka ikehu


Alanui Hikina Akau (NY, PA, NJ)

Nā Kūlana: ʻO ka pollution kūlanakauhale + ka wā kau + ka nui o ka uila

Awelika 6 kW ʻōnaehana hana:

  • ʻO ke kumukūʻai hoʻomaʻemaʻe ʻoihana:$240/makahiki (4 mau lawelawe)
  • Loaʻa i ka hana makahiki:+1,847 kWh
  • Ka mālama kālā hoʻohana:$405.43/makahiki (nā uku kiʻekiʻe)
  • Loaʻa ka loaʻa kālā ana ʻana:$184.70 / makahiki
  • Huina pomaikai makahiki:$590.13 / makahiki
  • ROI makahiki mua:246%

Pōmaikaʻi hikina ʻākau: ʻO ka uku uila kiʻekiʻe e hoʻonui i ka mālama kālā no kWh i hoʻomaʻemaʻe ʻia


ʻO ka nānā ʻana i nā kumu hoʻohālikelike ROI

Ka hopena o ka hoʻomaʻemaʻe pinepine

ʻIkepili hoʻohālikelike ʻōnaehana 6-8 kW (n=1,247):


Hoʻomaʻemaʻe ʻelua makahiki:

  • Koina makahiki: $140
  • Loaʻa maʻamau: + 18.7% hana
  • ROI: 298%

Hoʻomaʻemaʻe hapahā:

  • Koina makahiki: $280
  • Loaʻa maʻamau: + 26.3% hana
  • ROI: 341%

Hoʻomaʻemaʻe ʻelua mahina:

  • Koina makahiki: $420
  • Loaʻa maʻamau: + 28.9% hana
  • ROI: 316%

ʻO ka maikaʻi loa o ka waiwai: Hoʻonui ka hoʻomaʻemaʻe ʻana i kēlā me kēia hapaha i ka ROI no ka hapa nui o nā hoʻonohonoho

E ʻike i kāu alapine kūpono me kā mākou pili i ke ea papa manawa mālama i kūpono i kou ʻāina.


ʻO ka hoʻonohonoho ʻana o ka ʻōnaehana a me ka mana o ke kihi o ke kihi

ʻIke kahua mai 3,247 mea hoʻonoho:

Huli hema, 30° hiʻi (ʻoi loa):

  • Loaʻa ka hoʻomaʻemaʻe maʻamau: + 21.4%
  • ROI maʻamau: 327%

Hikina Hema/Komohana Hema, 30° hili:

  • Loaʻa ka hoʻomaʻemaʻe maʻamau: + 19.6%
  • ROI maʻamau: 304%

Nā kuhikuhina haʻahaʻa loa (hikina/komohana):

  • Loaʻa ka hoʻomaʻemaʻe maʻamau: +16.8%
  • ROI maʻamau: 278%

Nā mea hoʻonoho haʻahaʻa (<20°):

  • Loaʻa ka hoʻomaʻemaʻe maʻamau: + 25.7%
  • ROI maʻamau: 389%

Loaʻa kiʻi: ʻO nā ʻōnaehana hoʻonohonoho suboptimally e pōmaikaʻi me ka hoʻomaʻemaʻe


Key Figures

ʻO ka hopena o ka makahiki ʻōnaehana i nā hoʻihoʻi

Nānā lōʻihi 1,547 mea hoʻonoho:

Nā ʻōnaehana hou (0-5 mau makahiki):

  • Loaʻa ka hoʻomaʻemaʻe: +18.3%
  • Paʻakikī hoʻomaʻemaʻe: Kūlana
  • ROI: 314%

Pūnaehana makua (5-10 makahiki):

  • Loaʻa ka hoʻomaʻemaʻe: + 22.7%
  • Paʻakikī hoʻomaʻemaʻe: ʻAno
  • ROI: 342%

Pūnaehana kahiko (10-15 makahiki):

  • Loaʻa ka hoʻomaʻemaʻe: + 28.1%
  • Paʻakikī hoʻomaʻemaʻe: Kiʻekiʻe
  • ROI: 378%

ʻO ke au i hoʻopaʻa ʻia: Hāʻawi nā ʻōnaehana kahiko i nā lanakila kiʻekiʻe akā pono ka mālama kūikawā


Ka nānā 'ana i ka uku-pōmaika'i e ka nui o ka pūnaewele

Nā mea hoʻonoho hale (4-8 kW)

Awelika koina US:

  • ʻOihana hoʻomaʻemaʻe:$20-30/kW i kēlā me kēia makahiki
  • Hoʻomaʻemaʻe DIY:$6-10/kW i kēlā me kēia makahiki (nā lako + manawa waiwai)
  • ʻO ka pono kūpono o ka ʻoihana:+ 5.2% ma luna o DIY

Hoʻohālikelike ROI 7.5 kW pūnaewele:

  • ʻOihana hoʻomaʻemaʻe:327% ROI
  • Hoʻomaʻemaʻe DIY:267% ROI
  • ʻO ke kumu kūʻai kālā ʻoihana:+$150/makahiki
  • Nā hoʻihoʻi hou aku:+ $196 / makahiki
  • Loaʻa i ka ʻoihana net:+$46/makahiki

Nā mea hoʻonoho kalepa (25-100 kW)

ʻO nā ʻoihana waiwai i hoʻopaʻa ʻia:

  • Koina ʻoihana:$15-22/kW i kēlā me kēia makahiki
  • Nā lanakila kiʻekiʻe(ke komo, nā lako kūikawā)
  • ROI maʻamau:398%

Pūnaehana kalepa 50 kW Lunamakaainana:

  • Uku hoʻomaʻemaʻe makahiki: $900
  • Loaʻa i ka hana: +5,247 kWh / makahiki
  • Mālama i nā pono: $682.11 / makahiki
  • Hoemi i ka uku koi: $312/makahiki
  • Loaʻa ka loaʻa ʻana o ke ana ʻana: $524.70 / makahiki
  • Huina pomaikai:$1,518.81/makahiki
  • ROI:369%

 

E helu i kāu mau hoʻihoʻi pololei me kā mākou lā simulator kālā e hoʻokomo i kāu moʻolelo hoʻohana.

 

Ka hopena o ka ʻenehana hoʻomaʻemaʻe i ka ROI

ʻO ka wai wale nō vs nā mea holoi kūikawā

Haʻawina hoʻohālikelike 750 mea hoʻonoho:

Holoi wai wale:

  • Loaʻa ka maikaʻi: + 16.4%
  • Ka lōʻihi o ka hopena: 6-8 wiki
  • Uku: 85% o ka lawelawe 'oihana piha

ʻO nā mea holoi holoi pH-ʻole:

  • Loaʻa ka maikaʻi: + 21.3%
  • Ka lōʻihi o ka hopena: 10-12 wiki
  • Uku: 100% (kumu kumu)

Nā mea hoʻomaʻemaʻe lā kūikawā:

  • Loaʻa ka maikaʻi: + 23.7%
  • Ka lōʻihi o ka hopena: 12-16 wiki
  • Uku: 120% o ke kumu

ROI maikaʻi loa: Pono nā mea holoi kūikawā no ka hoʻohaumia nui wale nō


Holoi i ka maikaʻi o ka wai

Hoʻohālikelike ka wai kūloko me ka wai deionized:

Ka wai kaona (ka paakiki haahaa):

  • ʻIke ʻia ka minerala: ʻike ʻia ma hope o 3-5 hoʻomaʻemaʻe
  • Hoemi loaʻa loaʻa: -2.8%/makahiki kumulative
  • ʻO ka uku hoʻopaʻi e hiki mai ana: +$58/makahiki (nā hoʻomaʻemaʻe hou)

Ka wai deionized:

  • Hoʻopau wahi ʻole: ʻAʻohe māka koena
  • Loaʻa i ka wā lōʻihi paʻa: 100% kuhikuhi
  • Kokua koke: +$18/lawelawe
  • 5-makahiki net pomaikai:+$234

ʻOihana a me DIY hoʻokele waiwai

Hoʻohālikelike kumu kūʻai piha

ʻO ke ala hoʻomaʻemaʻe DIY:

Hoʻokomo ʻia nā lako hana mua:

  • Pūnaehana pou telescoping: $120
  • Poʻo pulupulu kūikawā: $45
  • ʻO ka squeegee ʻoihana: $35
  • Mea hoʻomaʻemaʻe mālama lā: $28
  • Nā lako palekana: $187
  • Huina mua: $415

 

Nā koina hoʻomau makahiki:

  • Mea hoopau: $55 / makahiki
  • Hoʻolilo manawa (5 hola × 4 hoʻomaʻemaʻe × $18 / hola): $360 / makahiki
  • Huina hoʻi: $415 / makahiki

 

Hana ʻia (312 mea hoʻohana DIY i nānā ʻia):

  • Loaʻa ka hana maʻamau: + 18.9%
  • Nā hanana i kēlā me kēia makahiki: 2.1 (nā ʻōpala, ka pōʻino wai)
  • ʻO ke kumu kūʻai maʻamau: $84 / makahiki

ʻOihana hoʻomaʻemaʻe:

Nā koina makahiki:

  • 4 lawelawe × $70 = $280 / makahiki
  • ʻAʻole koi ʻia ke kālā mua
  • Hoʻokomo ʻia ka ʻinikua/hōʻoia

 

Hana i hōʻoia ʻia:

  • Loaʻa ka hana kūpono: + 24.1%
  • Ka nui o ka pilikia: <0.4%
  • Hoʻokomo ʻia ka hōʻoia lawelawe

ʻO ka ʻōnaehana hoʻoholo waiwai 7.5 kW:

  • Makahiki 1:ʻOi aku ka maikaʻi o DIY ma $145
  • Makahiki 2:ʻOi aku ka maikaʻi o DIY ma $135
  • Makahiki 3+:ʻOi aku ka waiwai o ka ʻoihana ma $73/makahiki
  • Pōmaikaʻi ROI ʻoihana lōʻihi:+5.3%

 

E haku i nā ʻenehana loea me kā mākou hoʻomaʻemaʻe piha alakai inā koho i ke ala DIY.


ROI e nā wahi hoʻohaumia kūikawā

Nā wahi mahiʻai (pollen + lepo lepo)

Haʻawina kūikawā 427 hale kūʻai:

  • ʻO ka poho kūpono me ka mālama ʻole:-31.2%/makahiki
  • Loaʻa ka hoʻomaʻemaʻe kūikawā:+34.7%
  • ʻO ke alapine kūpono:6 mau lawelawe/makahiki
  • ROI maʻamau:432%

Pilikino ʻoihana (nā ʻāpana kemika)

Nānā 198 wahi hoʻonoho ʻoihana:

  • ʻO ka poho kūpono me ka mālama ʻole:-38.4%/makahiki
  • Loaʻa ka hoʻomaʻemaʻe kūikawā:+42.1%
  • Nā ʻenehana e pono ai:Nā mea hana degreasing
  • ROI maʻamau:487%

Kaiapuni kahakai (paʻakai paʻakai + one)

ʻIkepili mai 356 mau hoʻonohonoho kahakai:

  • Efficiency + corrosion poho:-34.7%/makahiki
  • Hoʻomaʻemaʻe + palekana loaʻa:+37.8%
  • Pono pinepine:6-8 mau lawelawe / makahiki
  • ROI maʻamau:361%

Key Figures

ʻIke lōʻihi ROI evolution

10-makahiki kuhi me ka mālama ʻole

Pūnaehana ʻelele 7.5 kW, ʻāpana Hema komohana:

ME ka hoʻomaʻemaʻe maʻamau:

  • Makahiki 1: 100% ka pono mua
  • Makahiki 3: 78.6% ka pono (-21.4%)
  • Makahiki 5: 65.3% ka pono (-34.7%)
  • Makahiki 10: 48.2% maikaʻi (-51.8%)
  • ʻO ka pohō o ka hana ʻana:-31,247 kWh
  • Pohō kālā:-$4,687

ME ke kūlana mālama maikaʻi loa:

  • Makahiki 1-10: 91.7% awelika pono i mālama ʻia
  • Kumukuai mālama mālama: $2,800
  • Loaʻa i nā makahiki he 10:+$1,887
  • ROI mālama ʻumi makahiki:167%

 

Hōʻike kēia hōʻike i ka waiwai koʻikoʻi o ka mālama pale.


Nā hewa pepehi ROI maʻamau

Hōʻalo i nā hewa e hōʻemi loa i ka loaʻa kālā ma ka nānā ʻana i kā mākou alakaʻi 7 hewa hoʻomaʻemaʻe koʻikoʻi i pale aku.


Nā mea luku ROI 3 kiʻekiʻe:

  1. Hoʻomaʻemaʻe pinepine ʻia:-28% awelika ROI ho'ēmi
  2. Nā ʻenehana kūpono ʻole:-21% hopena maikaʻi lōʻihi
  3. Ka mālama ʻole ʻana i ka wā lewa:-35% hoʻomaʻemaʻe lōʻihi poho

Nā mea hana no ka nānā ʻana a me ka hoʻonui ʻana

Nā hōʻailona hana nui (KPI)

Nā ana nui e hahai ai:

  • kWh hana no kW i kau ʻia:Hoʻohālikelike hoʻohālikelike i kēlā me kēia mahina
  • Ka Laki Hana (PR):ʻOiaʻiʻo vs theoretical pono
  • ʻO ka wela hana o ka panel:Hōʻailona lepo
  • Loaʻa ka ʻōnaehana:Pākēneka manawa hana

Nā hāʻina nānā

E hoʻonui i kāu ROI me:


Ka hopena: ʻepekema hōʻoia kiʻekiʻe-hoʻihoʻi kālā

ʻO kā mākou loiloi o 4,500+ mau mea hoʻonohonoho US e hōʻike pono ana i ka loaʻa kālā hoʻomaʻemaʻe lā:


ʻO nā hoʻihoʻi maʻamau i hōʻoia ʻia:

  • ROI makahiki mua:350% ma nā wahi āpau
  • Loaʻa nā mea hana:+ 15% a i + 35% ma muli o ka haumia
  • Ka wā uku:4 a 3.2 mahina ma muli o nā kūlana
  • Nā pōmaikaʻi kumulative 10 makahiki:+ $1,200 i + $4,800 no kēlā me kēia ʻōnaehana

ʻIke ʻia nā kumu kūleʻa:

  • ʻO ka pinepine hoʻomaʻemaʻe hoʻomaʻemaʻe i hoʻololi ʻia i ke ea
  • Nā ʻenehana loea a me nā mea hana
  • Nānā hana mau
  • ʻO ka mālama pale ʻōnaehana

 

ʻO ka hoʻomaʻemaʻe ʻana o ka pā solar kekahi o nā nā hoʻopukapuka hoʻihoʻi kiʻekiʻe loaʻa iā nā mea nona ka ʻōnaehana ikehu noho ma ʻAmelika Hui Pū ʻIa.

 

FAQ ROI: nā hoʻolālā hoʻolālā kālā

He ʻokoʻa anei ka ROI ma muli o ka makahiki a me ka ʻenehana?

ʻAe, kū'ē, hōʻike nā panela kahiko (10+ makahiki) i ka ROI kiʻekiʻe (378% vs 314% no nā ʻōnaehana hou) no ka mea e hōʻiliʻili i ka lepo a ʻoi aku ka pōmaikaʻi mai ka hoʻomaʻemaʻe ʻana. Eia nō naʻe, makemake lākou i ka maʻalahi, ʻoi aku ka loea ʻenehana.


ʻO ka manawa hea ka ROI hoʻomaʻemaʻe maikaʻi loa?

Hoʻopuka ka hoʻomaʻemaʻe puna (Malaki-Mei) i ka ROI kiʻekiʻe loa (387%) no ka mea ma mua o ke kau kiʻekiʻe. Hooilo hōʻike ka hoʻomaʻemaʻe i ka ROI haʻahaʻa (201%) akā mau ka waiwai i ka hapa nui o nā piʻi.


Pehea e pili ai ke ʻano inverter i ka hoʻomaʻemaʻe ROI?

Hiki i nā mea hoʻohuli i ke kaula me nā mea hoʻoponopono mana a i ʻole microinverters hiki ke ʻike pololei i nā panela hana maikaʻi ʻole, e hoʻonui ana i ka ROI hoʻomaʻemaʻe ma o 18-27% ma o nā hoʻolālā mālama pono.


Hiki iaʻu ke helu i ka ROI no kaʻu ʻōnaehana kikoʻī?

E hoʻohana i kēia ʻano kumu: ROI = [(Production loaʻa kWh × Ka helu uila) + loaʻa ka loaʻa ʻana o ka ana ʻana - ʻO ke kumu hoʻomaʻemaʻe] / ʻO ke kumukūʻai hoʻomaʻemaʻe × 100. Ko makou PVGIS E helu 'akomi nā mea hana i kēia me ka ho'ohana 'ana i kāu 'ikepili pūnaewele maoli.


Ua uku ʻia ka hoʻokomo ʻana i nā lako hoʻomaʻemaʻe?

No nā ʻōnaehana >10 kW a i ʻole ka hoʻomaʻemaʻe pinepine >4 manawa / makahiki, ʻae. Ma lalo o kēia paepae, lawelawe ʻoihana mālama i ka ROI kiʻekiʻe (4-7% pono) me ka loaʻa ʻole o ka hoʻopukapuka kālā a i ʻole nā ​​​​pilikia pili.


Pehea ka hopena o nā palapala hōʻoia o nā mea hana i nā helu ROI?

Mālama ʻia ka hoʻomaʻemaʻe pepa i nā palapala hōʻoia he $8,000-18,000, me ka hoʻohui ʻana i ka "waiwai inikua" nui i ka ROI pili i ka ikehu. He mea waiwai nui kēia ma hope o ka makahiki 10 ke piʻi aʻe nā hemahema o nā mea.