Subject:- Renewable Energy Sources

Topic:- Wind Energy

Difficulty:- High

Advantages :-

• It is available free and is inexhaustible.
• It is clean and Non-Polluting.
• Have low maintenance cost.
• Has low cost of power generation of about Rs.2.25/KWH.

Disadvantages :-

• At present capital cost is high. it is about Rs.3.5 Crores/MW.
• Wind energy available is dilute and fluctuating in nature both in magnitude direction.
• Large variation in wind speed during cyclones, hurricanes, tornadoes may cause damage to installation .
• Design of system is difficult aue to large variation of wind speed from time to time and season to seasons.
• These problems also require the provision of suitable storage device to ensure continuous power supply.
• It causes sound pollution. A large unit can be heard few kilometers away.