21 Mar '17, 12pm

German coal mine set to become "giant battery" for storing renewable energy

German coal mine set to become "giant battery" for storing renewable energy

A German coal mine is about to become a massive battery for storing electricity from renewable energy sources. The Prosper-Haniel hard coal mine in the state of North-Rhine Westphalia that provided coal power to German industry since it opened in 1974 will soon be turned into a 200-megawatt pumped-storage hydroelectric reservoir. When completed, the nearly 2,000-foot-deep mine that is set to close in 2018 will essentially act as a giant battery that can store enough power for 400,000 homes. That’s a huge backup that’s much needed in one of the most progressive

Full article: http://inhabitat.com/german-coal-mine-set-to-become-giant...

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