Denmark's largest battery – one step closer to storing green power in stones

Denmark's largest battery – one step closer to storing green power in stones

Aarhus, Denmark (SPX) May 01, 2021

Pea sized stones heated to 600?C in large, insulated steel tanks are at the heart of a new innovation project aiming to make a breakthrough in the storage of intermittent wind and solar electricity.

The technology, which stores electrical energy as heat in stones, is called GridScale, and could become a cheap and efficient alternative to storing power from solar and wind in lithium-based b

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