Hydroelectric Energy
By : Tyler Wynn
About Hydroelectric Energy
Hydroelectric Energy is energy derived from the movement of water. Water has mass. It falls and flows downward due to gravity. When it moves, it has kinetic energy which can be harnessed. Kinetic energy is the energy of motion. It is an RENEWABLE ENERGY
Hydropower Plant
Hydropower is produced in 150 countries, with the Asia-Pacific region generating 32 percent of global hydropower in 2010. China is the largest hydroelectricity producer, with 721 terawatt-hours of production in 2010, representing around 17 percent of domestic electricity use.
Hydroelectric Dam
Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator. The power extracted from the water depends on the volume and on the difference in height between the source and the water's outflow.
Hydroelectric Dam
This height difference is called the head. A large pipe (the "penstock") delivers water from the reservoir to the turbine.
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