It is abundant, as he says, “everywhere.” That light bulb moment provided the spark for what would become Polar Night Energy, now a 25-person firm that develops sand batteries to serve communities ...

Add Yahoo as a preferred source to see more of our stories on Google. Italy is hoping its first sand battery plant could be a game-changer for decarbonizing industrial heat, but the are environmental ...

The future of the energy sector has always been associated with the need to accumulate capacities and use them as needed ...

Outperforming over 470 teams from 79 countries, startup Alternō has officially secured a place in the top 3 of the 'Clean ...

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 ...

Finnish cleantech startup TheStorage says that its thermal storage technology could reduce industrial energy costs by up to 70% and cut carbon emissions by as much as 90%. The system converts ...

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 ...