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

submitted 1 month ago by Lugh to c/futurology

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[–] RememberTheApollo_@lemmy.world 2 points 1 month 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.

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