| Approximately ten percent of energy
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| | demand periods. When needs increase, the
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| produced in the United States is from
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| | water is released from the upper
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| hydropower. In this process, water spins
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| | reservoir back to the lower reservoir for
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| in turbines in generators.
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| | electricity generation.
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| Hydropower is one of the renewable energy
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| | Hydroelectric plants require a lot of
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| sources being researched and implemented
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| | land in order to build a dam and
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| to replace fossil fuels, which are in the
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| | reservoir. This requires a great deal of
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| process of depletion. It does not produce
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| | money, time and construction. There are
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| carbon dioxide, as coal power stations
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| | not many ideal places to put them and
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| do, making it a cleaner, as well as,
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| | most of these have already been taken.
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| cheaper alternate way to produce
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| | The good thing is once constructed; the
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| electricity. It is also renewable, with
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| | electricity is free to produce. Due to
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| the help of rainwater for replenishment.
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| | costs, the tendency will be to put up
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| The impoundment facility is the most
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| | smaller hydro plants that are more
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| common type of hydropower facilities. A
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| | economical.
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| dam is built on a large river or lake to
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| | Hydroelectric plants using dams have a
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| store its water in a reservoir. When
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| | negative effect on the environment.
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| water is released from the reservoir
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| | Through the construction of a dam, there
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| through tunnels it flows through a
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| | is a blockage of the flow from upstream
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| turbine. Since the height of the water
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| | to downstream. This disrupts the
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| behind the walls is so great, the
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| | migration pattern of fish. Fish can also
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| released water goes through the turbine
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| | be killed passing through the turbines.
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| with a great force of energy. As the
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| | An advantage to hydropower is the ability
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| turbine spins, it sets in motion a
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| | to control energy release to meet
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| generator, which in turn produces
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| | changing demands.
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| electricity. The water then travels back
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| | The population is growing and so will its
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| into the stream or river below. Networks
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| | power needs. Fossil fuels are being used
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| of transmission lines and facilities
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| | up and there will come a time when they
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| carry the electricity from the generator
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| | will be depleted. We need to turn to
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| to users in a form they can use. The
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| | renewable energy sources to meet our
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| Hoover Dam is an illustration of the
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| | needs. Natural resources seem to be a
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| process just described. When it was
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| | natural solution. Hydroelectric plants
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| initially built, it produced enough
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| | can meet our power needs without worries
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| electricity for the entire city of Las
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| | of depletion or pollution. It is also the
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| Vegas. As Las Vegas grew, they turned to
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| | most reliable source available today.
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| other energy sources
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| | Research and development is ongoing to
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| The pumped storage hydro plant facility
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| | provide a solution to the damage a dam
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| is able to store power. It does so by
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| | can do. The potential for
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| pumping water from a lower reservoir to
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| | hydroelectricity is within our grasp and
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| an upper reservoir during low energy
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| | we must find a way to make this work.
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