An innovative thermal energy storage system has redefined the way a small Finnish town heats its residential and commercial buildings, with an enormous silo of 2,000 tons of crushed stone capable of ...

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 ...

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 ...

A small town in Finland is about to ditch fossil fuels in its heating network thanks to a sand-filled energy storage tank the size of a house. Finnish startup Polar Night Energy recently turned on the ...

A new industrial-scale 'sand battery' has been announced for Finland, which packs 1 MW of power and a capacity of up to 100 MWh of thermal energy for use during those cold polar winters. The new ...

A 1-megawatt sand battery that can store up to 100 megawatt hours of thermal energy will be 10 times larger than a prototype already in use. The new sand battery will eliminate the need for oil-based ...

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 ...

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 Night is ...

Forward-looking: A Finnish startup has secured $7.6 million Euro ($8.2 million) in seed funding to scale up its unique sand battery technology. The money will be used to grow the company's sales and R ...

In our latest episode of Lexicon, we sat down with Annette Höglund-Dönnes, Chief Commercial ...