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Mark Z. Jacobson
mzjacobson.bsky.social
did:plc:pb73vbvwit4phtn7hvuv23yk
World's largest sand battery is now live in Finland
100 MWh heat storage
Intermittent WWS electricity heats sand up to 400C.
Air sent through pipes in the sand heats up and produces steam for industry and hot water for district heat
https://newatlas.com/energy/largest-sand-battery-finland-pornainen/ @christianonre.bsky.social
2025-08-29T14:54:50.605Z