O'Fallon Renewable Energy Center 
New Solar Farm Planned for 2014 
Solar energy will become a larger part of Ameren Missouri's energy mix by the end of 2014. In a move demonstrating our continued commitment to renewable diverse sources of energy, we're going to build the state's largest investor-owned solar energy center, O'Fallon Renewable Energy Center.

Quick Facts
  • Construction start: Late spring 2014
  • Online: Delivering power to customers, Dec. 2014
  • Generation: 5.7 MW, enough electricity to power 650 average-size homes
  • Number of solar panels: More than 19,000
  • Location: St. Charles County, O'Fallon, Mo.; adjacent to Ameren Missouri's Belleau substation


Artist's rendering of O'Fallon facility. Click image to enlarge.
Our Renewable Energy History

  • 1913 our first hydroelectric energy center opened, Keokuk, Iowa. (more)
  • 2010 roof installation of 100 kilowatts of solar photovoltaic technologies, St. Louis headquarters. (more)
  • 2011 began offering solar installation rebates and incentives (1,800 over the last three years). (more)
  • 2012 Maryland Heights Renewable Energy Center opened; turning "trash into energy." (more)




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