A new industrial-scale 'sand battery' has been announced for Finland, which packs 1 MW of power and a capacity of up to 100 MWh of thermal energy for use during those cold polar winters. The new battery will be about 10 times bigger than a pilot plant that’s been running since 2022.
If Lemmy had Reddit gold (I’m happy it doesn’t, for other reasons) I’d definitely guild this comment, thank you
Gold that supported the lemmy hosting costs would be good.