npub1dn77zukvnszs0ead8k9mshxzvtw4u6ewu5c7y9rx9rpzmyn3vryqlxm0xf (npub1dn7…m0xf) npub1jc6ja7uyvn97pnvqn8wjm0ujupmzwddynup9t28pql3nxx6lnkwqzhgx35 (npub1jc6…gx35) npub1737yy4gk7lfhec4pnns4azpfc3em924tse4caldmdc5tlpmmswuqz7t6ft (npub1737…t6ft)
panels are about 50c per W including hardware but excluding install and ignoring credits.
say we need 10kWh per day to keep car towed up.
say equivalent of 5 solar hours a day at 1000 W/m².
so we need 2 kW of panels or $1000.
say electricity is 33 c/kWh.
$1000 / 0.33 is 3000 kWh.
so break even for panels is about 300 days.
2 kW is about 5 panels and takes about 6x1.8 m roof space - about 11 m²
10 kWh batteries is about $3200.
another 3 years.
npub1t7…lhfpa
2023-12-01 11:40:59
in reply to nevent1q…ztrs
Author Public Key
npub1t7w2paytwavfz7xy4yztlh26upku0ll5d44rahz7t624rz84z45salhfpaSeen on
wss://relay.nostr.bandPublished at
2023-12-01 11:40:59Event JSON
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"content": "nostr:npub1dn77zukvnszs0ead8k9mshxzvtw4u6ewu5c7y9rx9rpzmyn3vryqlxm0xf nostr:npub1jc6ja7uyvn97pnvqn8wjm0ujupmzwddynup9t28pql3nxx6lnkwqzhgx35 nostr:npub1737yy4gk7lfhec4pnns4azpfc3em924tse4caldmdc5tlpmmswuqz7t6ft \n\npanels are about 50c per W including hardware but excluding install and ignoring credits.\n\nsay we need 10kWh per day to keep car towed up.\n\nsay equivalent of 5 solar hours a day at 1000 W/m².\n\nso we need 2 kW of panels or $1000.\n\nsay electricity is 33 c/kWh.\n\n$1000 / 0.33 is 3000 kWh.\n\nso break even for panels is about 300 days.\n\n2 kW is about 5 panels and takes about 6x1.8 m roof space - about 11 m²\n\n10 kWh batteries is about $3200.\n\nanother 3 years.",
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