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Disadvantages of hydroelectric energy & modern trend

Disadvantages of hydroelectric energy & modern trend. A dam changes in a rivers flow which can have far reaching consequences, a reservoir floods large areas of habitat above the dam.

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Disadvantages of hydroelectric energy & modern trend

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  1. Disadvantages of hydroelectric energy & modern trend • A dam changes in a rivers flow which can have far reaching consequences, a reservoir floods large areas of habitat above the dam. Dams can also affect the land below them, as a river slows down the river deposits some of the sediment it carries, this fertile sediment builds up from behind the dam instead of enriching the land father down river which effects farmlands. In the untied states the era of large dams construction is probably over but in developing countries like brazil, India it continues

  2. Disadvantages of hydroelectric energy & modern trend • A modern trend is micro hydropower which is electricity produced in small stream without having to build a big dam. • The turbine may even float in the water, not blocking the river at all. • Micro hydropower is much cheaper than large hydroelectric dam projects, and it permits energy to be generated from small streams in remote areas

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