Chem-Energy Corporation has developed
and installed the wind Power projects. At present time the company is in the
process of developing a wind power project farm of 50 MW which would be expanded
to 300 MW over a period of 5 years.
ENERGY FROM WIND
Wind is simple air in motion. It is caused
by the uneven heating of the earth’s surface by the sun. Since the earth’s
surface is made of very different types of land and water, it absorbs the
sun’s heat at different rates.
During the day, the air above the land
heats up more quickly than the air over water. The warm air over the land
expands and rises, and the heavier, cooler air rushes in to take its place,
creating winds. At night, the winds are reversed because the air cools more
rapidly over land than over water.
In the same way, the large atmospheric
winds that circle the earth are created because the land near the earth's
equator is heated more by the sun than the land near the North and South Poles.
Today, wind energy is mainly used to
generate electricity. Wind is called a renewable energy source because the wind
will blow as long as the sun shines (EIA)
WIND AND THE ENVIRONMENT
In the 1970s, oil shortages pushed the
development of alternative energy sources. In the 1990s, the push came from a
renewed concern for the environment in response to scientific studies indicating
potential changes to the global climate if the use of fossil fuels continues to
increase. Wind energy is an economical power resource in many areas of the
country. Wind is a clean fuel; wind farms produce no air or water pollution
because no fuel is burned. Growing concern about emissions from fossil fuel
generation, increased government support, and higher costs for fossil fuels
(especially natural gas and coal) have helped wind power capacity in the United
States grow substantially over the last 10 years.
The most serious environmental drawbacks
to wind machines may be their negative effect on wild bird populations and the
visual impact on the landscape. To some, the glistening blades of windmills on
the horizon are an eyesore; to others, they’re a beautiful alternative to
conventional power plants.
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Sources: Energy Information Administration, Renewable Energy Trends 2005,