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Energy Storage

Polar Night Energy to Test Sand Battery for District Heating in Finland

By 2 Mins Read
Credit: Polar Night Energy

Polar Night Energy, a Finnish startup specializing in high-temperature thermal energy storage solutions for wind and solar power, is set to begin testing its innovative "Sand Battery" in Pornainen this winter. The company plans to commission the system by next year. The Sand Battery stores renewable electricity in the form of heat within sand or

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