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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 near Interstate Power and Light Company’s Whispering Willow Wind Farm-East site. The Franklin County Wind Farm consists of 60 turbines capable of producing nearly 100 MW of energy, enough to power about 25,000 homes.

Construction of the project began in March of 2012 and the wind farm began commercial operation in December 2012.

Franklin County Wind LLC is currently selling the power generated by the Franklin County Wind Farm into the Midwest Independent Transmission System Operator (MISO) market.

Franklin County Wind Farm

Franklin County Wind Farm Facts

  • The wind farm spans approximately 18,000 acres
  • There are 60 turbines, each is capable of producing approximately 1.65 megawatts of emissions-free energy
  • Height of turbine from base to tip of blade pointing straight up = 397 feet
  • Distance from the ground to the hub = 262 feet
  • Each blade is approximately 131 feet long and weighs about 15,000 pounds
  • The total weight of each turbine including the tower, hub and blades is more than 480,000 pounds
  • Power generation begins at 9 miles per hour with a maximum power generation of 27 miles per hour
  • The wind turbines can produce power approximately 90 percent of the time, depending upon sustainable wind speeds and electric grid needs

Questions and Answers

Where is the wind farm site?
The Franklin County Wind Farm is located in Franklin County, Iowa, near Hampton.

Who operates the Franklin County Wind Farm?
Franklin County Wind LLC, a non-regulated subsidiary of Alliant Energy Corporation operates the Franklin County Wind Farm.

How many turbines are there at the Franklin County Wind Farm?
The Franklin County Wind Farm consists of 60 Vestas V82 1.65 megawatt turbines.

How much electricity will be generated by the Franklin County Wind Farm?
The Franklin County Wind Farm is capable of producing nearly 100 megawatts of emissions-free energy. That’s enough to power approximately 25,000 homes.

Who will get the energy generated by the Franklin County Wind Farm?
Franklin County Wind LLC, a non-regulated subsidiary of Alliant Energy Corporation, will be selling this power into the MISO market.