Question

What are the disadvantages of harnessing energy using a wind mill?

Answer 1

1 : It needs to be placed in a place where wind speed is more than 15 km/hr
2: it needs more maintenance cost
3: It doesn't produce enough electricity

Answer 2

• The step up cost for wind mills is huge
• The step for wind mills requires a large open area.
• Wind mills require at least 15 km/hr of wind speed
• They cannot be used throughout the year.
I hope this helps :)