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Finland warms up the world’s largest sand battery, and the economics look appealing

Pornainen recently turned on a 100 MWh thermal battery filled with ground up soapstone.

Jun 16, 2025 - 23:01
 0
Finland warms up the world’s largest sand battery, and the economics look appealing
Pornainen recently turned on a 100 MWh thermal battery filled with ground up soapstone.
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