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Tue, 28 Jun 2022 03:52:35 +0000

Hooked
Vespa GTS
Joined: Tue, 05 Feb 2008 03:18:23 +0000
Posts: 152
Location: San Diego
 
Hooked
Vespa GTS
Joined: Tue, 05 Feb 2008 03:18:23 +0000
Posts: 152
Location: San Diego
Tue, 28 Jun 2022 03:52:35 +0000 linkquote
I recently saw a Reddit post (yeah, highly reliable info) about a guy in England who put in a LiFePO4 Battery Powerwall to buy off-peak electricity to power his home during the daytime peak hours. He estimated a four year payback. This was the first I'd ever heard of that idea and it makes better financial sense to me than solar.

Anyone doing it?
Tue, 28 Jun 2022 18:10:49 +0000

Moderaptor
The Hornet (GT200, aka Love Bug) and 'Dimples' - a GTS 300
Joined: Sun, 26 Aug 2007 20:16:15 +0000
Posts: 41679
Location: Pleasant Hill, CA
 
Moderaptor
The Hornet (GT200, aka Love Bug) and 'Dimples' - a GTS 300
Joined: Sun, 26 Aug 2007 20:16:15 +0000
Posts: 41679
Location: Pleasant Hill, CA
Tue, 28 Jun 2022 18:10:49 +0000 linkquote
It would take all the equipment needed for solar, except the panels, which these days are not the most expensive part of a solar installation. However, a huge part of the population live in housing where solar just isn't feasible - apartments etc.

So yes, it's not a bad idea, and a better investment of capital than most others. It does all depend on the relative difference between peak and off-peak prices and times. For me in the UK (with outfoxthe market.com, totally renewable supply) the night-rate hours are 1:00am – 8:00am in the winter and 2:00am – 9:00am in the summer. The price for me is 21p/kWh night-time, 30p/kWh daytime, with a 41p/day connection charge.

So there's a 9p per kWh difference for me in the UK - the inefficiencies of the battery storage and retrieval would probably eat most of that up, so a no-no for me.
   

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