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Tuesday, 13 August 2013

Hydroelectric Dam :- Hydropower

mechanical walkins - 09:22

Hydropower or water power is power derived from the energy of falling water and running water, which may be harnessed for useful purposes.

Hydropower is used primarily to generate electricity. Broad categories include:

>Conventional hydroelectric, referring to hydroelectric dams.

>Run-of-the-river hydroelectricity, which captures the kinetic energy in rivers or streams, without the use of dams.

>Small hydro projects are 10 megawatts or less and often have no artificial reservoirs.

>Micro hydro projects provide a few kilowatts to a few hundred kilowatts to isolated homes, villages, or small industries.

>Pumped-storage hydroelectricity stores water pumped during periods of low demand to be released for generation when demand is high.


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