Transmission System Facts 
Did you know? 
  • Systemwide Ameren companies own more than 7,400 circuit miles of transmission lines.
  • Since 2007 - 2011, Ameren has invested approximately $345 million into the transmission system.
  • Over the next five years, the company is investing $424 million in transmission system improvements, focusing on specific projects to enhance reliability through infrastructure improvements and increased tree trimming. Many projects are driven by economic and population growth.
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