• Elnät och energilagring
  • Norden

‘A very Finnish thing’: Big sand battery to store wind and solar energy using crushed soapstone

The battery will be able to store a week’s heat demand in winter - how does it work?

The industrial-scale storage unit in Pornainen, southern Finland, will be the world’s biggest sand battery when it comes online within a year. Capable of storing 100 MWh of thermal energy from solar and wind sources, it will enable residents to eliminate oil from their district heating network, helping to cut emissions by nearly 70 per cent.

Read more at euronews.com External link.

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