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The Gansu Wind Farm in Gansu, China
The Gansu Wind Farm in Gansu, China

An aerial view of the Power County wind farm in Power County, Idaho, with Nordex N100/2500 turbines

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. Today, wind power is generated almost completely with wind turbines, generally grouped into wind farms and connected to the electrical grid.

In 2022, wind supplied over 2000 TWh of electricity, which was over 7% of world electricity and about 2% of world energy. With about 100 GW added during 2021, mostly in China and the United States, global installed wind power capacity exceeded 800 GW. To help meet the Paris Agreement goals to limit climate change, analysts say it should expand much faster - by over 1% of electricity generation per year. (Full article...)

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Hornsea Wind Farm is a Round 3 wind farm which began construction in 2018. Sited in the North Sea 120 km (75 mi) off the east coast of England, the eventual wind farm group is planned to have a total capacity of up to 6 gigawatt (GW).

The development has been split into a number of subzones. The 1.2 GW Project 1 gained planning consent in 2014. Construction of Hornsea One started in January 2018, and the first turbines began supplying power to the UK national electricity grid in February 2019. The turbines were all installed by October 2019 and the equipment fully commissioned in December 2019. With a capacity of 1,218 MW, it was the largest in the world on its completion. (Full article...)
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The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site

A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain (gristmills), but in some parts of the English-speaking world the term has also been extended to encompass windpumps, wind turbines, and other applications. The term wind engine is also sometimes used to describe such devices. (Full article...)

Examples of multi-sailed windmills

Examples of tower mills

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