this post was submitted on 29 Sep 2024
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To make solar power viable, we need a solution for overnight energy storage.

Batteries are complicated.

Do you know what isn't? Water go up. stonks-up

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[–] Hexboare@hexbear.net 4 points 2 months ago

You don't really need huge volumes of water, a 5GW hydro storage proposal in Australia will require 38 gigalitres, or 0.038 cubic kilometres. At a depth of ten metres, that's a 2km circle (or rather, two ~1.5km circular reservoirs).

Arizona uses ~8500 gigalitres a year to put that in comparison.