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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Last month, Finnish startup Polar Night Energy announced that it is building a giant sand battery capable of heating a town of 5,000 people for up to a month. That’s on a single charge. Polar Night is ...

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 ...