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Wind Energy

U.S. DEPARTMENT OF ENERGY THE CASE FOR WIND ENERGY An Infographic based on the US Dept of Energy's Wind and Water Program Web Site* department of energy The terms wind energy or wind power describe the process by which the wind s used to generate mechanical power or electricity. wWind turbines convert IS the kinetic energy in the wind into mechanical power. This mechanical power can be used for specific tasks (such as grinding grain or pumping water) or a generator can convert this mechanical power into electricity. Pitch department of energy Low-speed shaft Rotor Gear box Generator Anemometer Wind direction Controller Brake The wind turns the blades, which spin a shaft, which connects to a generator and makes electricity. Yaw drive Wind Vane High-speed shaft Nacelle Yaw motor Blades Tower The Benefits of 20% Wind Energy by 2030 According to the American Wind Energy Association, if we increase our nation's wind energy capacity to 20% by 2030, it would... Reduce ouse Gas Em ons A cumulative total of 7,600 million tons of CO2 would be avoided by 2030, and more than 15,000 million tons of CO2 would bé avoided by 2050. Conserve Water Reduce cumulative water consumption in the electric sector by 8% or 4 trillion gallons from 2007 through 2030. Lower Natural Gas Prices Significantly reduce natural gas demand and reduce natural gas prices by 12%, saving consumers approximately $130 billion. Expand Manufacturing To produce enough turbines and components for the 20% wind scenario, the industry would require more than 30,000 direct manufacturing jobs across the nation (assuming that 30% - 80% of major turbine components would be manufactured domestically by 2030). Generate Local Revenues Lease payments for wind turbines would generate well over $600 million for landowners in rural areas and generate additional local tax revenues exceeding $1.5 billion annually by 2030. From 2007 through 2030, cumulative economic activity would exceed $1 trillion or more than $440 billion in net present value terms. History of Wind Energy - Wind energy moved boats up and down the Nile as early as 7,000 years ago. - Windmills began to dot Europe and the Middle East in the second millennia. - Multi-masted sailing ships explored, traded and battled for many centuries before the industrial revolution. - Wind has been used in agriculture to pump water and generate electricity. - Today, wind energy is the world's fastest growing energy source with wind farms that generate billions of btu's annually. 1400 - 1900 *http://www1.eere.energy.gov/windandhydro/wind technologies.html 5000 BC - 1100 1900 1970 - 200 BC today mindcheese.com USA.99 www.energy.gov some images from graphicsfactory.com

Wind Energy

shared by rmmojado on Jan 25
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Wind energy is the fastest growing energy source in the world. The US Department of Energy has a great bunch of web pages that review the technology and status of the industry. Here is an image drawn ...

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