Hydro turbines convert water pressure into mechanical energy. When used with an electrical generator, the movement of the turbine’s runners or propellers turns a shaft to produce electricity. There ...

However, pumped storage systems tend to use more power than they produce, resulting in net negative electricity generation. Most hydropower facilities in the U.S. have dams and storage reservoirs ...

LITTLETON, Colorado, Oct 29 (Reuters) - An enduring drought across much of the western United States has caused a drop in U.S ...