Germany Converts Coal Mine Into Giant Battery Storage for Surplus Solar and Wind Power
Original story at EcoWatch• 37 mentions • 6 months ago
EcoWatch 6 months ago
Germany is embarking on an innovative project to turn a hard coal mine into a giant battery that can store surplus solar and wind energy and release it when supplies are lean. The Prosper-Haniel coal mine in the German state of North-Rhine Westphalia will be converted into a 200 megawatt pumped-storage hydroelectric reservoir that acts like a giant battery. The capacity is enough to power more than 400,000 homes, Governor Hannelore Kraft said, according to Bloomberg. Founded in 1863, the Prosper-Haniel coal mine produces 3,000,000t/y of coal and is one of the few active coal mines remaining in Germany. But ...