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Finland warms up the world’s largest sand battery, and the economics look appealing (techcrunch.com)

submitted 6 days ago by poVoq@slrpnk.net to c/energy@slrpnk.net

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[–] Olgratin_Magmatoe@slrpnk.net 26 points 6 days ago* (last edited 5 days ago) (1 children)

it’s hard to get any cheaper than the crushed soapstone now housed inside an insulated silo in the small town of Pornainen. The soapstone was basically trash — discarded from a Finnish fireplace maker.

Hell yeah. I'm glad that this works with that kind of sand, and is being done without the kind we're running out of.

[–] umbrella@lemmy.ml 1 points 5 days ago (1 children)

we are running out of sand??

[–] Disaster@sh.itjust.works 4 points 5 days ago

Like everything else...if you want to get into the details (which are important)...It's complicated