The world’s largest sand battery has just been turned on. The battery, which is simple in design, can store heat during ...

The economics are compelling, and it’s hard to get any cheaper than the crushed soapstone now housed inside an insulated silo ...

Finland has started up the world’s largest sand battery in Pornainen. This new system stores renewable energy as heat in ...

The world’s largest sand battery is online and ready to make the most of Finland's renewable energy. Once fully operational, ...

Finland has activated the world's largest sand battery in Pornainen, storing excess renewable energy as heat to power an ...

The world’s largest sand battery has started working in the southern Finnish town of Pornainen. Capable of storing 100 MWh of ...

A small Finnish town is about to ditch fossil fuels in its heating network thanks to a sand-filled energy storage tank the ...