Wind energy

Wind farmEnergy generated from the power of wind is among the most cost-efficient types of renewable energy. Wind can be used to make electricity almost everywhere on the planet.

Wind energy can rapidly and effectively decrease the dependence of the world economy on crude oil, natural gas and other fossils, and substantially reduce greenhouse gas emissions to the atmosphere. According to NREL, 1MW of wind energy prevents emission of about 2,600 tons of CO2.

German physicist Albert Betz is recognized as the author of the idea to make electricity using the power of moving air masses or wind. He is also known for developing the idea of a wind turbine device. The first wind turbine generator was built in Vermont in 1940s.

Wind turbines and other electrical equipment is the major item of expense in building a wind power plant. After the building is accomplished, the operating costs are minimal. The noise level of a wind turbine complies with the WHO’s residential areas requirements.

Wind power plants may be constructed both onshore and offshore (shelve or deepwater). The average operating wind speed of a turbine generator is about 13 to 90 km/h. The debut offshore wind power plant named Vindeby was built in Denmark in 1991 as a cooperation project of Danish energy giant DONG (now DONG Energy) and German Siemens.

Denmark, Spain, Portugal, Sweden and Germany are the world’s leaders of wind power generation per capita.

Wind energy technologies

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