Germany plans to squeeze hydroelectric power out of a coal mine
 

As coal energy falls out of favor in much of the world, one defunct mine in the heart of Germany's coal country is preparing for a new life as a sustainable power plant. As Bloomberg reports, the Prosper-Haniel mine in the state of North-Rhine Westph...

https://www.engadget.com/2017/03/17/...wer-coal-mine/