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 has just been turned on. The battery, which is simple in design, can store heat during ...

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 is online and ready to make the most of Finland's renewable energy. Once fully operational, ...

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

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

Finnish startup Polar Night Energy has commissioned the world’s largest sand battery in Pornainen, southern Finland. The industrial-scale system delivers 1 MW of thermal power with 100 MWh storage ...

An energy company has commissioned the world’s first industrial-scale sand battery in a town in Finland, where it will use ...

A silo full of soapstone stores heat, which is later released into the district heating network. This means that six Finnish municipalities no longer need oil.

These adaptations would support the region’s goal of net-zero energy systems without relying heavily on imported battery materials. While commercial use remains limited to Finland, sand batteries ...