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Wednesday, September 28, 2022

What the hell is a ‘sand battery?’ And why am I so damn excited?

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When you think of energy solutions, you might not imagine that 100 tons of construction sand is piled up in a huge silo. But one company has found that sand can be the secret sauce for energy storage, as it can store heat for months.

How does this work?

Finnish startup Polar night energy has developed a new way of storing heat.

store sand