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HYDROPOWER - Coggle Diagram
HYDROPOWER
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How does it work?
The mechanical energy created by moving water spins rotors on a turbine, which is connected to a generator, which produces electricity when the turbine spins
Types
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Run of river: still has a turbine and a generator but relies on natural flow rates of rivers diverting just a portion of the water through a turbine
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Significance
Of all renewable energy sources, hydropower holds the largest share of worldwide electricity production
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Concerns
A major impact on a local environment (changes wildlife habitats, blocks fish passage, often forces people in riverside communities to move out of their homes)
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Hydro plants aren't completely free of greenhouse gas emissions as CO2 emissions happen during construction (due to cement) + plant matter in the flooded areas makes methane - another greenhouse gas