Audi and RWE are breaking new ground together to drive the energy revolution forward – RWE has brought an energy storage facility on stream in Herdecke, Germany, that uses used lithium-ion batteries from Audi electric cars. With the help of 60 battery systems, the new type of storage facility on the site of RWE’s pumped-storage power plant on Lake Hengstey will be able to temporarily store around 4.5 megawatt hours of electricity.
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