Pumped-storage hydroelectricity
Pumped-storage hydroelectricity (PSH) is a type of hydroelectric energy storage used by electric power systems for load balancing. The method stores energy in the form of gravitational potential ener...
Pumped-storage hydroelectricity - Wikipedia
Turbines Harness the Power from Water Flowing Through City Pipes Underground to Power Portland Homes
A Portland water pipeline is now producing enough electricity to power more than a hundred homes. Suddenly, when Portland residents turn on the tap they are getting water and energy for the price of o...