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The world's largest sand battery just went live in Finland
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 set to reduce carbon emissions from the local heating network by as much as 70%, and is the largest…
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. Here's how it works: Excess electricity from renewable sources is used to heat the sand contained in a large insulated silo through a closed-loop air pipe system, to temperatures of up to 1,112 ºF (600 ºC). In the coming years, it'll play a major role in helping the town achieve carbon neutrality – and it might inspire more municipalities in regions with similar climate and energy sources to adopt these giant batteries.
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