Blue Sky Green Field wind farm is a wind farm in Fond du Lac County, Wisconsin. The 10,600-acre (43 km2) farm[1] is located between near Mount Calvary (in the town of Marshfield) in the south with its north edge at the Calumet County border in the town of Calumet[2]. The farm is owned by We Energies[2]. It is the largest operating wind farm in Wisconsin[3].
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An application for authorization to construct the Blue Sky Green Field Wind Farm was filed with the Public Service Commission of Wisconsin (PCSW) on March 17, 2006. On February 1, 2007, the PSCW issued the Certificate of Public Convenience and Necessity authorizing the project.[4]
Construction on the farm began in June 2007 by Alliant Wind Connect at a cost of $300 million.[1] Testing began in 2008,[2] and the farm was placed in service on May 19, 2008.[1]
The wind farm consists of 88 Vestas Wind Systems V82 turbines which have a capacity to produce 145 megawatts of power.[1] They are expected to generate 328 million kilowatt hours annually, which is enough to power 36,000 homes.[1] Each turbine is capable of production 1.65 megawatts of electricity. The turbines are approximately 262 feet (80 m) tall, and reach 397 feet (121 m) tall when the 134-foot (41 m) blade is faced upwards.[1]
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