A Finnish town has replaced oil with a sand battery that stores heat, cutting emissions by 70%. Is this low-cost, low-tech ...

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

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

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 started working in the southern Finnish town of Pornainen. Capable of storing 100 MWh of ...

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, ...

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 ...

Sand batteries are getting bigger in Finland. The new 1 MW sand battery has a precursor. In May 2022, Polar Night Energy rigged a smaller design to a power station in Kankaanpää town.

Polar Night’s sand battery contains 2000 tonnes of crushed soapstone. Credit: Polar Night When renewables are abundant, like on a sunny or windy day, clean electricity is wired to the battery.