Blue Sky Green Field Wind Energy Center

Blue Sky Green Field Wind Energy Center
Turbines east of Johnsburg
CountryUnited States
LocationFond du Lac County, Wisconsin
Coordinates43°52′46″N 88°16′15″W / 43.87944°N 88.27083°W / 43.87944; -88.27083
StatusOperational
Construction beganJune 2007
Commission dateMay 2008
Construction cost$300 million
OwnerWe Energies
Wind farm
TypeOnshore
Power generation
Units operational88 turbines
Make and modelVestas V82-1.65 MW
Nameplate capacity145.2 MW
Capacity factor26.8% (average 2009-2017)
Annual net output341 GW·h

Blue Sky Green Field Wind Energy Center is a wind farm in northeast Fond du Lac County, Wisconsin. The 10,600-acre (4,300 ha) facility is located in the towns of Calumet and Marshfield. Owned by We Energies, it became the largest operating installation using wind power in Wisconsin when it came online in 2008.