AndronETalksNews
Tech Spot
By Shawn Knight
In context: It’s taken Switzerland €2 billion and 14 years, but the country’s underground “water battery” is now complete and operational. The project took so long to complete in part because workers had to tunnel through more than 11 miles of the Swiss Alps.
A hydro battery is comprised of two large bodies of water at different heights – in this instance, they are located nearly 2,000 feet below ground between the Emosson and Vieux Emosson dams in Valais.
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