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 ...

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 ...

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 ...

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 ...

An energy partnership in Finland recently installed the first fully operational “sand battery” in the world. The innovative technology can store green power for months on end, and its developers say ...

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 ...

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 ...

Sometimes it’s not sunny enough to depend on solar power, or windy enough to turn the windmill. So, Finnish researchers have devised a year-round, 24/7 energy source: a battery made from sand. Markku ...

The world’s largest sand battery is online and ready to make the most of Finland's renewable energy. Once fully operational, this giant device is expected to cut carbon-equivalent emissions from the ...

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, ...

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 ...