The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity. ... This spins the turbines forward, activating the generators to produce electricity.

Where are hydroelectricity used?

They include natural gas, oil, coal, nuclear power, biomass, solar and wind power, and water. Over the years, hydropower has been the leading source of electricity in Canada, and its predominance continues today. More than 70,000 MW of hydropower have already been developed in Canada.

What are the two uses of hydroelectricity?

Hydropower is used to control flood, help in irrigation, and water supply.