Researchers in Finland have installed the world's first fully working "sand battery" which can store power from renewable sources for months at a time.
This story was originally produced for the BBC World Service.
Share
LIVE, FREE and EXCLUSIVE starting June 12 2026

Could power from wind farms be stored in sand batteries when the wind isn't blowing? Source: Getty / VCG/VCG via Getty Images
Published
By Matt McGrath (BBC)
Source: SBS News
Share this with family and friends
This story was originally produced for the BBC World Service.



