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Mälarenergi has embarked on a project to fill caverns underneath Västerås, Sweden with hot water – warmth will be sent via heat exchangers to a district heating network

Posted by mycketforvirrad
Tags: energy, sweden.vasteras, utilities, malarenergi, technology, heating, heat exchangers, storage.thermal, power stations, reservoirs, caves, electricity, author.chris baraniuk, source.bbc
https://www.bbc.com/news/business-65098792

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Title
The plan to make a giant hot water bottle underground
Published
Apr 13 2023
Word count
985 words