Give a detailed account of method of harnessing hydel energy. Also make a mention of its potential, advantages and drawbacks.
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hydel energy is the cheapest source of energy. it is inexhaustible and renewable. it is non polluting.
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Answer:
Hydroelectric energy is produced or generated from the motion of water to the electric energy.
Explanation:
Water is stored in the reservoir which connects the turbine and motion of water caused to rotate the turbine and that turbine coupled with the generator which converts the mechanical energy to the electrical energy. Largest hydel power plant is present along the Yangtze river which accounts 22,500 MW in China.
Advantages:
No pollution, dual purpose of water (energy and irrigation);
Drawbacks:
High initial and maintenance cost, floods and evacuation of large number of people.
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