Question

Which of these are not the advantages of hydel power generation?

• A. Clean electricity with minimal pollution
• B. Comparatively less maintenance cost
• C. Rehabitation of people
• D. Renewable source of energy

Answer 1

The correct option is C

Rehabitation of people

The advantages of hydel powerplant are:

i) It causes less/no pollution.
ii) If sufficient water is available, it is possible to generate electricity as and where necessary.
iii) Relatively low maintenance costs.
iv) It is renewable.

The disadvantages of hydel powerplant are:

i) When water is stored in dams, backwater may lead to rehabitation of people, may submerge forests and fertile land.
ii) Obstructing the flow of water may show adverse effects on living world of the river.