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
Germany converts coal mine into giant battery storage for surplus solar power
More of Today's Solutions
Surprise: your hobbies might be building better self-discipline (and you didn...
If you’ve ever tried to become more disciplined by sheer force of will, you already know it’s exhausting. All of the habit trackers, early ...
Read MoreWill your clothes need a passport? EU targets fashion’s greenwashing with new...
The global fashion industry is gearing up for a new level of transparency. One that might soon be sewn into the very labels of ...
Read MoreForget new year’s resolutions: why setting intentions is the key to a fulfill...
BY THE OPTIMIST DAILY EDITORIAL TEAM New Year’s resolutions often come with high hopes and, let’s face it, high failure rates. For many, they’ve ...
Read MoreA synthetic cornea just restored the vision of a blind man
According to the WHO, corneal damage from infections or inflammatory eye diseases is one of the leading causes of blindness worldwide, affecting around two ...
Read More
