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Mark Twain Transmission Project

Ameren Transmission Company of Illinois (ATXI) received approval from the Missouri Public Service Commission (PSC) on January 10, 2018, to proceed with the construction of the Mark Twain Transmission Project, a 96-mile, 345,000-volt transmission line and substation to be built in northeast Missouri. The PSC granted ATXI a certificate of convenience and necessity (CCN) for the project, which will run from Palmyra to Kirksville in Missouri and north to the Iowa border.

The route will run through Adair, Knox, Lewis, Marion and Schuyler counties in Missouri and will include construction of the Zachary Substation adjacent to the existing Adair Substation in Adair County. Nearly 100 percent of the transmission line will be co-located on existing rights of way. Specifically, the route will co-locate on existing right of way on Northeast Missouri Electric Power Cooperative’s (Northeast Power) 161,000-volt line between Palmyra and Kirksville and Ameren Missouri’s 161,000-volt line from Kirksville to the Iowa border. Please see the final approved route map for details.

Project benefits include:

  • Improved electric system reliability
  • Improved access to renewable sources of energy
  • Regional and local growth in northeast Missouri
  • New annual tax revenue to northeast Missouri to support communities in the five counties where the line will be located
  • Improved transmission capacity

After we conducted our public open house process and received the counties’ approvals, the Missouri Public Service Commission (PSC) granted a Certificate of Convenience and Necessity (CCN) for the Project on January 10, 2018. With the final route approved by the PSC, landowners are now being approached by Ameren Transmission Company of Illinois (ATXI)’s real estate team to discuss field surveys and easement agreements. This important milestone in the Project process is dependent upon open communication and lays the foundation for the future phases of construction.

As our team works with landowners on the real estate easement process and pre-construction activities, we would like to thank the communities for their time and cooperation in developing this important Project.

Contact Us

Call us

888.340.6640

Mail us

Mark Twain Transmission Project
c/o Burns & McDonnell
9400 Ward Parkway
Kansas City, MO 64114

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