This video explores the innovative use of sand-based energy storage, highlighting Batsand's heat batteries designed for ...

A small municipality in southern Finland recently installed the world's largest "sand battery" to supply the town's heating. The new sand battery, designed by Polar Night Energy, is effectively a ...

At Polar Night Energy, co-founders Tommi Eronen and Markku Ylönen use sand to store wind and solar energy as heat, providing a cleaner alternative for warming homes and businesses. The company's first ...