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O'Fallon Renewable Energy Center

With more than 19,000 solar panels, our O'Fallon Renewable Energy Center is the largest investor-owned universal solar facility in Missouri.   

  • Our multi-crystalline solar panels span an area approximately the size of 19 football fields, allowing us to collect nearly 8 million kilowatt-hours of energy from the sun’s rays every year.
  • The facility began delivering carbon-free energy to our customers in December 2014, with a generation capacity of 5.7 megawatts.
  • We've continued to invest in our premiere solar field by installing smart technology that allows us to operate and monitor the renewable energy center remotely, so we can find and fix problems fast.  
The O’Fallon Renewable Energy Center is just one way we’re focused on securing Missouri’s energy future. See how we're harnessing the power of the sun.

Solar Partnership

Ameren Missouri is creating partnerships with local businesses to expand solar energy production. Learn more about our latest project
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