Wind Energy Essay

780 words - 4 pages

Wind Energy is energy contained in the force of the winds blowing across the earth’s surface. When harnessed, wind energy can be converted into mechanical energy for performing work such as pumping water, grinding grain, and milling lumber. By connecting a spinning rotor to an electric generator, modern wind turbines convert wind energy, which turns the rotor, into electrical energy.
Wind is a clean and renewable source of energy. Modern wind turbines have been installed in over 26 countries by the year 2007, including such as Germany, Denmark, India, China, and the United States. This was to supplement to a more traditional sources of electric power, such as burning coal. Design ...view middle of the document...

A single wind turbine can cost anywhere from two thousand to eight thousand dollars. However the cost of the turbine itself is only approximately 12- 40 percent of the cost of the full system. Besides the wind turbine you also have to purchase inverters, batteries and for it to be installed. This is a good investment if you are planning on staying in the same home for a while, because it takes approximately 12 to 15 years for it to pay itself off.
Windmills were developed from the 15th century to the 19th century. They can be altered to do a variety of tasks, including pumping seawater from land below sea level, sawing wood, making paper, pressing oil from seeds, and grinding many different materials. By the 19th century the Dutch had built about 9000 windmills. In 2006 the United States became the world’s third largest producer of energy from wind power, generating more than 11.5 megawatts of electricity.
There is conflict with wind energy. I say this because even though it may seem simple, it actually has many aspects to it that you may not see. The average person may just see a big wind mill...

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