Batteries are the key to the future of the most abundant sources of renewable energy, solar and wind power for one obvious reason: intermittence. If power generators want to replace fossil fuels ...

Finnish startup Polar Night Energy has announced a new pilot project that will test the next generation of its sand battery technology. The sand battery pilot plant will build on the company’s ...

Jack has a degree in Medical Genetics from the University of Leicester.View full profile Jack has a degree in Medical Genetics from the University of Leicester. Many countries are seeing energy prices ...

In a small Finnish town called Pornainen, a groundbreaking invention is turning heads around the world. Finland has just unveiled the world’s largest sand battery—a giant structure that stores heat ...

A company in Finland has created an an unusual storage solution for renewable energy: One that uses sand instead of lithium ion or other battery technologies. Polar Night Energy and Vatajankoski, an ...

Finland has inaugurated an industrial-scale sand battery this week in the southern town of Pornainen, where it'll take over heating duties from an old woodchip power plant for the municipality. It's ...

The community swimming pool in the Finnish town of Kankaanpää is heated with sand—well, a sand battery, to be more specific. Energy utility Vatajankoski has partnered with Polar Night Energy, a ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The new Polar Night Energy sand battery installed in Pornainen, a small municipality in southern ...

We talk to one of the designers and learn that it can do a lot more than make hot water. Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Storing energy can be done in many ways, with the chemical storage method of a battery being one of the most common. Another option is a thermal battery, which basically means making something hot, ...