this post was submitted on 24 May 2024
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[–] fine_sandy_bottom@discuss.tchncs.de 3 points 5 months ago (1 children)

[yes](> https://en.wikipedia.org/wiki/Pumped-storage_hydroelectricity)

Taking into account conversion losses and evaporation losses from the exposed water surface, energy recovery of 70–80% or more can be achieved. This technique is currently the most cost-effective means of storing large amounts of electrical energy, but capital costs and the necessity of appropriate geography are critical decision factors in selecting pumped-storage plant sites.

[–] Danquebec@sh.itjust.works 2 points 5 months ago (1 children)

Oh wow, I had no idea this existed. Awesome!

[–] Sternout@feddit.de 1 points 4 months ago (1 children)

Wait Are these not common where you are?

[–] Danquebec@sh.itjust.works 1 points 4 months ago* (last edited 4 months ago)

We have a lot of dams, but I haven't heard that we were pumping water into the reservoirs.

We also don't have, like, fields of solar panels, as far as I know. I think it's too cloudy here. But we have wind turbines, especially in coastal areas.