Finland has deployed the world's largest sand battery, which uses heated sand to store thermal energy for district heating and industrial use, significantly cutting emissions. Sand batteries offer 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 ...

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 ...

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 ...

We got exclusive access to Polar Night Energy's Pornainen installation. One brutal Finnish winter later, here's what the data ...

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 ...

Climate change China's huge push to reduce air pollution had an unexpected consequence in the Arctic Climate change 'The push towards renewables is unstoppable because it's in a country's ...

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 ...

It doesn’t look like much, but Finland recently flipped the switch on the world’s largest sand-based battery. Yes, sand. A sand battery is a type of thermal energy storage system that uses sand or ...