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Arrays of large turbines, known as wind farms, have become an increasingly important source of renewable energy and are used in many countries as part of a strategy to reduce their reliance on fossil fuels. Wind turbine design is the process of defining the form and specifications of a wind turbine to extract energy from the wind. [181]
These rebates funded the first major use of wind power for utility electric power. These machines, gathered in large wind parks such as at Altamont Pass, would be considered small and un-economic by modern wind power development standards. In 1985, half of the world's wind energy was generated at Altamont Pass.
Wind power is the use of wind energy to generate useful work. Historically, wind power was used by sails , windmills and windpumps , but today it is mostly used to generate electricity. This article deals only with wind power for electricity generation.
A wind turbine is a device that converts the kinetic energy of wind into electrical energy. As of 2020 [update] , hundreds of thousands of large turbines , in installations known as wind farms , were generating over 650 gigawatts of power, with 60 GW added each year. [ 1 ]
Latvia's wind capacity grew by 75%, the largest percent increase in 2022. [3] In November 2018, wind power generation in Scotland was higher than the country's electricity consumption during the month. [5] Wind power's share of worldwide electricity usage in 2022 was 7.3%, up from 8.9% from the prior year. [3]
Airborne wind energy systems use airfoils or turbines supported in the air by buoyancy or by aerodynamic lift. The purpose is to eliminate the expense of tower construction, and allow extraction of wind energy from steadier, faster, winds higher in the atmosphere. As yet no grid-scale plants have been constructed.
The United States has the potential of installing 10 terawatt (TW) of onshore wind power and 4 TW of offshore wind. [40] The U.S. Department of Energy's report 20% Wind Energy by 2030 envisioned that wind power could supply 20% of all the country's electricity, which included a contribution of 4% from offshore wind power. [38]
A windpump is a wind-driven device which is used for pumping water. The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site De Olifant at Burdaard, Friesland. Windpumps were used to pump water since at least the 9th century in what is now Afghanistan, Iran and Pakistan. [1]
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