this post was submitted on 17 Jun 2025
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Finland warms up the world’s largest sand battery, and the economics look appealing. (techcrunch.com)
submitted 2 days ago by Lugh@futurology.today to c/futurology@futurology.today
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[–] RememberTheApollo_@lemmy.world 2 points 1 day ago

This has no moving parts compared to water storage which requires pumping, and you’re describing hydroelectric power that requires building of dams or levees. Reservoirs are inefficient, have issues with evaporation, and basically flood habitat.