How Will Hydropower Bolster a Renewable Energy World?
How Will Hydropower Bolster a Renewable Energy World?
Made by connecting two reservoirs, one at a higher altitude than the other, these plants pump water uphill, storing it in the upper reservoir, before releasing it down through a turbine, which spins a generator and pumps energy back into the grid.
National Renewable Energy Laboratory
https://www.nrel.gov/news/program/2022/how-will-hydropower-bolster-a-renewable-energy-world.html