Add Yahoo as a preferred source to see more of our stories on Google. As the global transition toward renewable energy accelerates, storing electricity generated by intermittent sources, such as solar ...

From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...

In China, the first commercial-scale gravitational energy storage system is about to start operating: a nearly 150-meter-tall tower capable of storing electricity produced by renewable sources.

South Africa has thousands of abandoned mines that can potentially be converted into dry gravity energy storage facilities — ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Once a mine has been exhausted of its ore, there's really no use for it anymore – it just becomes an abandoned hole in the ground. According to a new study, however, the shafts of such mines could ...