A hydro battery is comprised of two large bodies of water at different heights – in this instance, they are located nearly 2,000 feet below ground between.
When people think of a battery, they often picture an electric battery. However, any energy storage means can act as a battery. Switzerland started opera.
20 million kWh Swiss ‘water battery’ starts operation, believed to solve undergoing energy crisis, which has become a growing concern, to a great extent.