Why does a wind energy farm need a high cost of maintenance?
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Solution
The tower and blades of wind turbine generators are exposed to nature like rain, storm, and cyclones.
Each wind turbine has an electric generator. So every generator needs to be maintained.
Each blade of a wind turbine is very long the average diameter of a wind turbine is about 125 meters. So, even if one of the blades is damaged the cost of repairing it is high.
The maintenance of the windmill is done at top of the tower this makes the working environment dangerous, so well-trained technicians need to be employed which makes it costly.