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Our Wind Farms

We are proud to own and operate four wind farms. More photos of our wind farms can be found in the Wind Power Photo Gallery.

Bent Tree Wind FarmBent Tree Wind Farm

The Bent Tree Wind Farm is located near Albert Lea in Freeborn County, Minnesota. It began commercial operation in February 2011.

Bent Tree Wind Farm Facts

  • Nameplate capacity: 200 megawatts (enough to power approximately 50,000 homes)
  • Number of turbines: 122
  • Land span: Approximately 32,500 acres
     
new rule

 
Cedar Ridge Wind Farm

Cedar Ridge wind farm administration buildingCedar Ridge Wind Farm is located in the towns of Eden and Empire in Fond du Lac County, Wis. It began commercial operation in December 2008.

Cedar Ridge Wind Farm Facts
 
  • Nameplate capacity: 68 megawatts (enough to power approximately 17,000 homes)
  • Number of turbines: 41
  • Land span: Approximately 7,800 acres
Operations building

The Operations Building at Cedar Ridge earned a Leadership in Energy and Environmental Design (LEED®) Gold certification from the U.S. Green Building Council. Some of the features that helped it earn Gold certification include:
 
  • Eco-friendly recycled materials
  • Regionally acquired and processed materials
  • Geo-thermal heating/cooling system
  • Powered by wind energy
  • Low level internal and external lighting
  • Water conserving fixtures
     
new rule

 
Franklin County Wind Farm
Franklin County wind farm
Franklin County Wind LLC, a non-regulated subsidiary of Alliant Energy Corporation, owns and operates the Franklin County Wind Farm, located in Franklin County, Iowa. It began commercial operation in 2012.

Franklin County Wind Farm Facts
 
  • Nameplate capacity: 100 megawatts (enough to power approximately 25,000 homes)
  • Number of turbines: 60
  • Land span: Approximately 18,000 acres
     
new rule

 
Whispering Willow wind farm barn and turbineWhispering Willow Wind Farm

The Whispering Willow Wind Farm-East is located in Franklin County, Iowa. It began commercial operation in December 2009. A second phase – the West phase – could be added as economic conditions allow.

Whispering Willow Wind Farm Facts
 
  • Nameplate capacity: 200 megawatts (enough to power approximately 50,000 homes)
  • Number of turbines: 121
  • Land span: Approximately 33,000 acres