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Disadvantages or Problems of wind as a source of energy

Answer Text:
Disadvantages/ Problems of wind as a source of energy
-Wind mills for harvesting it are expensive to buy and install.
The equipment for harvesting is relatively expensive to maintain.
-Many windmills are required to provide a significant amount of electrical energy.
-It fluctuates when the strength and direction of wind changes.
-The large tracts of land it requires (wind farms) alter the environment beauty.
-It’s not available in many areas except in open areas.