... fossil fuel is hydropower. "Hydro electricity is generated through water pressure. Hydroelectricity energy is one of the cleanest and cheapest alternative sources. Power stations that contain turbines and generators are built near the downstream side of the dam. Pipes or channels are then used to direct water from the storage to the stations. Within the station, water pushes the turbine that ... used to capture wind and turn it into electricity. There are two types of turbines used: horizontal-axis wind turbines and vertical-axis wind turbines. Horizontal-axis turbine looks like a windm...

• Word Count: 3357
• Approx Pages: 13
• Grade Level: High School

A New England machinist obtained the first American windmill patent in 1854. Until 1920, wind power was a major form of energy in the western United States, essential to development. Prior to 1920, thousands of windmills were put up across ... is in building the facilities. Large banks do not like to pay for such large investments up front, slowing the development of wind power. But three wind farms have been built in Texas in the last two years, and another is in development in Oklahoma. A web site on Danish wind power states that a turbine produces eighty times its initial cost over ... w...

• Word Count: 455
• Approx Pages: 2
• Grade Level: High School

... , Cape Cod, and the Lake Michigan. "Calculations indicate that it would be theoretically possible to produce all of America's electrical energy from wind. It would, however, require that a windmill be built every quarter mile across the entire states of North and South Dakota" (Trefil, 69). Advantages and Disadvantages of Wind Energy Like other outcomes and challenges, wind energy does have ... ...

• Word Count: 1092
• Approx Pages: 4
• Grade Level: High School