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Hydroelectric Power. Rebecca Delman and Caroline Keogh. How is Hydroelectric Power Used?. Hydroelectric power, or hydroelectricity, is generated by the force of falling water

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hydroelectric power

Hydroelectric Power

Rebecca Delman and Caroline Keogh

how is hydroelectric power used
How is Hydroelectric Power Used?

Hydroelectric power, or hydroelectricity, is generated by the force of falling water

The water is held behind a dam, forming an artificial lake, or reservoir. The force of the water being released from the reservoir through the dam spins the blades of a giant turbine. The turbine is connected to the generator that makes electricity as it spins. After passing through the turbine, the water flows back into the river on the other side of the dam.

how is hydroelectric used
How is Hydroelectric used?

Hydropower is the most important and widely-used renewable source of energy.

Hydropower represents 19% of total electricity production.

China is the largest producer of hydroelectricity, followed by Canada, Brazil, and the United States

Generates electricity by purely mechanical means

abundance and availability
Abundance and Availability

The U.S. Energy Information Administration believes that, because of the abundance of water on earth, hydroelectricity will provide a significant amount of humanity's future energy needs. The properties of a body of water will determine what type of system can harness its potential energy.

The most common dams are built out of earth and rock with a water-proof core inside to prevent water damage.

Sites are limited by available dams and dams which meet the properties