In a small Finnish town called Pornainen, a groundbreaking invention is turning heads around the world. Finland has just ...

The economics are compelling, and it’s hard to get any cheaper than the crushed soapstone now housed inside an insulated silo in the small town of Pornainen. The soapstone was basically trash — ...

Price-wise, it's hard to imagine a cheaper energy storage system. Remote town turns on remarkably efficient 'sand battery' to ...

The world’s largest sand battery has started working in the southern Finnish town of Pornainen. Capable of storing 100 MWh of thermal energy from solar and wind sources, it will enable residents to ...

The Sand Battery is expected to begin operations in 2025. The project has received financial support from Business Finland's new technology energy aid program.

Researchers from Finland have erected the first completely functional "sand battery" in the world, which can store green power for months at a time.

The sand becomes a battery after it is heated up to 600C using electricity generated by wind turbines and solar panels in Finland, brought by Vatajankoski, the owners of the power plant.

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 ...

A start-up in Finland unveils the world’s first commercial heat storage system using sand to solve the problem of the variability of solar and wind power.

A giant sand battery will soon help heat and power an entire town in Finland by storing generated energy in huge silos.

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 ...