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 ...

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 ...

An innovative thermal energy storage system has redefined the way a small Finnish town heats its residential and commercial buildings, with an enormous silo of 2,000 tons of crushed stone capable of ...

Engineers in Finland may have discovered a cheap and effective way to get the most out of their country's wind and solar power systems. Polar Night Energy claims to have constructed "the first ...

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 ...

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 ...

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 is turning one of the planet’s most ordinary materials into a high impact climate tool, using hot sand to store vast amounts of energy and release it as heat when homes and factories need it ...

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 ...

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 ...

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, ...