Ai
Created page with "== Introduction == Pumped-storage hydroelectricity is a type of hydroelectric energy storage used in the electric power system for load balancing. The method stores energy in the form of gravitational potential energy of water, pumped from a lower elevation reservoir to a higher elevation. Low-cost surplus off-peak electric power is typically used to run the pumps. During periods of high electrical demand, the stored water is released through tu..."
