Wind power
[5] Wind power is a sustainable, renewable energy source, and has a much smaller impact on the environment than burning fossil fuels. Wind power
"Renewable Energy Technologies: Cost Analysis Series: Wind Power" International Renewable Energy Agency, June 2012. Quote: "wind is capital intensive, but has no fuel costs"
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 using wind turbines, generally grouped into wind farms and connected to the electrical grid.
Wind energy penetration is the fraction of energy produced by wind compared with the total generation. Wind power's share of worldwide electricity usage in 2021 was almost 7%, up from 3.5% in 2015. There is no generally accepted maximum level of wind penetration.
In the US, wind power projects are reported to boost local tax bases, helping to pay for schools, roads, and hospitals, and to revitalize the economies of rural communities by providing steady income to farmers and other landowners.
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