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Transcript of Hydropower Energy
20 percent of the worlds electricity is hydropowered
Free way to get electricity
Barley any polution Disadvantages Have to have water to work
High investment cost
Messes with the wildlife and fish species
Massive flood could break out if dam was to break Hydropower Electricity Economic Impacts of Hydropower There are many economic impacts of using hydroelectricity. One economic impact is that hydroelectricity is a very cheap source of electricity. It is cheaper than coal or nuclear. Hydropower are very low cost projects. Also, when a dam is built repayments are paid to the U.S. treasury. In 2010, the repayment made to the U.S. treasury was paid an estimated 800 million dollars. Environmental Impacts of Hydropower Very clean energy source
No air pollution in the making of the electricity
Disturbs the wildlife and the natural resources of the area
Roads may have to be moved when a dam is being built
Replenished by any type of precipitation
Hydropower dams help control the flooding in communities
For example, dams affect salmon becausewhen they travel up river the have to go through the traps in the dams to make it upstream How Energy source is Used Today Hydropower energy is used today in many ways. One way it is used is mainly to operate machinery for companies. Sometimes hydroelectricity is used to power some people's residence. 19% of the world's electricity comes from hydroelectricity Future of Hydropower The future of hydropower is very complicated. The capabilities of hydroelectricity are really maxed out at this time. Also, there are a range of large high scale hydropower construction projects in the works. The true future of hydropower worldwide depends on the scientific technological breakthroughs that scientist have. Random Facts About Hydropower There are 1,623 hydropower plants in the United States of America.
The closest hydropower plant to Henry County is Markland locks and dam.
Markland's construction began in April of 1959 and was finished in May of 1964. Credits •http://wiki.answers.com/Q/What_are_the_advantages_and_disadvantages_of_hydro-electric_power