The 900 megawatt (MW) Nant de France pumped storage power plant in Valais, Switzerland, came online in July after 14 years of challenging construction and testing. The gigantic “water battery” is capable of storing enough hydroelectric energy to power as many as 900,000 homes.
Gigantic Swiss ‘water battery’
The Nant de Drance “water battery” has a storage capacity of 20 million kWh of…