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Sand batteries could store renewable energy

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ZHOUSHAN, CHINA - JULY 02: Aerial view of an offshore wind farm on July 2, 2022 Source: Visual China Group

Researchers in Finland have installed the world's first fully working "sand battery" which can store power from renewable sources for months at a time. The device, which contains 100 tonnes of low grade sand, is charged with heat made from cheap electricity from solar or wind.

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By Matt McGrath /BBC

Presented by Aisa Hadziahmetovic

Source: BBC

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Researchers in Finland have installed the world's first fully working "sand battery" which can store power from renewable sources for months at a time. The device, which contains 100 tonnes of low grade sand, is charged with heat made from cheap electricity from solar or wind.

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