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Pak Studies Geography IGCSEprinted 103 · PDF 103
162 pagesrevision 46929
printed 103 · PDF 103
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Common in coastal and open areas with steady winds.
Advantages:
Renewable and clean source of energy.
No air or water pollution.
Low operating cost after installation.
Can be built on farmland without disturbing other uses.
Disadvantages:
Unreliable — depends on wind speed and weather conditions.
Noisy and may spoil natural scenery.
High initial installation cost.
May harm birds and bats.
2. Windmills (Traditional Method)
Method:
Windmills use wind energy to turn mechanical devices rather than
generators.
The rotating blades drive a shaft that powers machines such as water pumps,
grinding stones, or sawmills.
Used mainly before modern electricity systems developed.
Uses:
Pumping underground water for irrigation.
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