South Africa has thousands of abandoned mines that can potentially be converted into dry gravity energy storage facilities — at fraction of the cost of deploying lithium-ion batteries.

A sustainability group from De La Salle University Integrated School has figured out a way to generate electricity using gravity. According to a 24 Oras Game Changers report on Tuesday, the De La ...

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 ...