erneo advanced CAES energy storage

Pumped Hydro Storage - PHS

Pumped Hydro Storage Goldithal

Principle of pumped hydro storage

source: efzn.de

Water is being pumped between a lower and an upper reservoir. The storage is charged by using electric power to pump water to the higher located reservoir. Flowing back the water drives a turbines that is producing electricity that is supplied to the grid.