this post was submitted on 17 Sep 2025
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Neat breakdown with data + some code.

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[–] tal@olio.cafe 15 points 3 days ago* (last edited 3 days ago) (17 children)

What I want to do is find out what the maximum size battery I would need in order to store all of summer's electricity for use in winter.

I mean, I think that it's probably not a good idea for this guy to try to go fully off-grid if he has access to the grid, but for the sake of discussion, if one were honestly wanting to try it and one is in the UK, I'd think that one is probably rather better off adding a wind turbine, since some of the time that the sun isn't shining, the wind is blowing.

https://www.statista.com/statistics/322789/quarterly-wind-speed-average-in-the-united-kingdom-uk/

Wind speed averages in the United Kingdom are generally highest in the first and fourth quarters of each calendar year – the winter months.

The UK is one of the worst places in the world in terms of solar potential:

https://globalsolaratlas.info/

But it's one of the best in terms of wind potential:

https://globalwindatlas.info/

[–] pstils@lemmy.world 7 points 3 days ago

Right but he’s not serious, he’s just doing a “in theory, what would it look like?”

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