To get an idea of the scale of hydro storage: > European hydropower reservoirs provide a storage capacity of 220 TWh (85 TWh are located in Norway). https://s

To get an idea of the scale of hydro storage: > European hydropower reservoirs provide a storage capacity of 220 TWh (85 TWh are located in Norway). https://setis.ec.europa.eu/hydropower-and-pumped-hydropower-storage-european-union_en https://setis.ec.europa.eu/hydropower-and-pumped-hydropower-...