Disadvantages of Hydroelectric Power?

Answer

The disadvantages of hydroelectric power include: the high prospective for extreme damage to the local ecosystem and the high cost of its construction. In addition, building a large dam changes the natural water table altitude.
Q&A Related to "Disadvantages of Hydroelectric Power?"
Dam construction halts the flow of a river and its sedimentation. Sediment cannot flow downstream and remains in a reservoir impounded by a dam. Sediment buildup in the reservoir
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The advantages counterbalance the disadvantages so there aren't disadvantages.
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Besides the effects on the local ecosystem, it's limited by location. You can't just set up a hydroelectric dam just anywhere, there has to be a sustained water supple. I know it's
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Hydroelectricity enjoys several advantages over most other sources of electrical power. These include a high level of reliability, proven technology, high efficiency, very low operating
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