Pumped Storage Hydro Power Plant. This is unique type Hydro Power Electric Station. Which acts together with other type of high output Electric Power stations. For example in conjunction over grid with Nuclear Power station. Nuclear Power station generates too much of Electric Power so this Hydro Station uses electric energy to turn its generators into pumping engines and starts pumping river water to the basin. When energy output in the grid is too small it releases water from reservoir and acts as regular Hydro Plant. There is only about 1% of this type of stations in the world. It produces clean energy and acts as balancer in national or transnational electricity grid.