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.

Dante Ulanday - News Moderator Dante Ulanday - News Moderator
Jun 17, 2025 - 09:00
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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