Spandau Battery: Vattenfall to test using salt to store clean power - http://bit.ly/2sWnMTr

#Energy Spandau Battery: Vattenfall to test using salt to store clean power  http://bit.ly/2sWnMTr

Vattenfall is to test new technology over the coming months which uses salt to store renewable energy as part of its plans to turn a thermal coal plant in Berlin ...

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