This giant ‘water battery’ under the Alps could be a game-changer for renewable energy in Europe

This giant 'water battery' under the Alps could be a game-changer for renewable energy in Europe

The water battery, called Nant de Drance, which began operations last month, is a pumped-storage hydroelectric plant that provides the same energy storage capacity as 400,000 electric car batteries. Located high in the Swiss Alps in the canton of Valais, the plant is equipped with agile, reversible turbines that offer new levels of flexibility, says …

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