Windmill
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A windmill is a device built to utilize the power of the wind in order to perform mechanical work - historically, the milling of grain being the most common. Windmills are becoming a source of renewable energy, in 2004 generating 6,740 MW, or 6% of American electricity[1]. The total cost of electricity from windmills is more than from other sources (hydro, coal and nuclear), and windmills do not provide reliable sources of power (as the wind does not blow all the time) so back up generation is still required.
Netherlands is popularly known for their quaint, picturesque windmills (which were also used to pump water to keep the land dry), but Denmark also has their share.
References
- ↑ Wind Industry Statistics|http://www.awea.org/faq/wwt_statistics.html
