Question

Write any three disadvantages associated with hydro power plant.

Answer 1

Disadvantages of Hydroelectric Power :

1. Hydroelectric power is generated only near the rivers having water throughout the year. This electric power has to be carried to the substations for distribution to the houses and factories situated far off from the sites of hydroelectric power stations. This is done through the transmission wires, so a lot of money is to be spent on this process.
2. A large area of fertile land is submerged at the site of the dam constructed for tapping energy from the flowing water.
3. A large number of people residing near the site of a dam are dislocated. So, a lot of problems are to be faced in rehabilitating this population. That is why there is a lot of opposition by the people around the site of the dam for the construction of the dam.
4. A large number of plants and wildlife in the area of the dam are submerged in water. So, a large variety of flora (plants) and fauna (animals) is destroyed.
5. Hydroelectric dams cannot be constructed everywhere. They are constructed mostly in a hilly areas.