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Hydroelectric Energy


megan andersen

on 15 April 2010

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Transcript of Hydroelectric Energy

Hydroelectric Energy the most common type of hydroelectric plant uses a dam on a river to store water in a reservoir. the water flows from a pipe to a turbine, which spins to drive a generator, creating energy. water power has been a major force of civilization at least as far back as the early greeks hydroelectric energy is a renewable and non-polluting energy source
that does not emit any greenhouse or create toxic waste. the trend for the future will probablly be to build small-scale hydro plants that can generate electricity for a single community. Advantages:
* inexhaustable fuel source.
*minimal environmental impact
*viable source- relatively useful levels of energy production
*can be used throughout the world. Disadvantages:
*smaller models depend on availabitlity of fast flowing streams or rivers.
*run-of-the-river plants can impact the mobility of fish and other river life. The largest hydroelectric dam in the world is Rogun in Tajikistan. It stands over 1,000 feet tall.
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