Blue Sky Green Field
Blue Sky Green Field is located in the towns of Calumet and Marshfield in northeastern Fond du Lac County, east of Lake Winnebago.
Type of plant
Approximately $300 million
Year in service
Net generating capacity
1.65 megawatts each – 145 megawatts total
Vestas Wind Systems
Vestas V82 is a horizontal axis, pitch-regulated, upwind turbine.
Tower and turbine: 204 tons
Three blades constructed of a fiberglass-reinforced epoxy coating around a wood/carbon fiber frame.
82 meters (269 feet)
An asynchronous 6-pole, 3-phase induction generator with wound rotor and full-load reactive power compensation.
Generator nominal voltage
600 volts, 3-phase
Integrated lightning protection
Protection system includes lightning receptors and conductors in the rotor blades, lightning arrestors, deep earth grounding and shielding.
A microprocessor controls all turbine functions.
Hub height: 262 feet
Weight: 140 tons
Base diameter: 13.8 feet
Rated power output: 1.65 MW @ 30 mph
Cut-in wind speed
Cut-out wind speed
Extreme gust wind speed
Updated: December 2012