Inside a dark corrugated steel silo in a forest clearing in Pornainen, a village of 5,000 people in southern Finland, 2,000 tonnes of crushed soapstone sit wrapped in pipes and foil insulation, heated ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The new Polar Night Energy ...

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 ...

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Polar Night Energy’s sand battery in Pornainen, Finland, endured the country’s harshest winter in years, maintaining low heating costs and emissions despite extreme cold and volatile electricity ...

Here’s what you’ll learn when you read this story: • A Finnish brewery partnered with a climate-tech company to pilot a sand-based thermal energy storage system for beer production. • The innovative ...

Polar Night Energy will deploy an industrial-scale thermal energy storage unit for Lahti Energia’s district heating network in Vääksy, Finland. The sand battery will provide 2 MW of thermal output and ...

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 ...