The final route decision for the Mark Twain Transmission Project has been determined. Landowners impacted by the planned route have been notified by letter. Designing a transmission line takes a team effort and most importantly the input of the same community. Our final route selection has been based on data collected form state and local sources as well as the input received from the public. Our public outreach efforts included:
Public open houses
A project website with an online survey
Comments collected from area residents and stakeholders via our hotline and email address
Individual meetings with potentially impacted land owners
Meetings with public officials over several months
This project will help reduce transmission congestion and provide utility customers in Missouri with greater access to low-cost energy, including wind energy; improve power reliability; create approximately 200 new construction jobs and help the state of Missouri meet the voter-approved Renewable Energy Portfolio Standard (RPS).
The new 345,000-volt transmission line will run from Palmyra to Kirksville and then north to the Iowa border. The new line will be about 100 miles in length. The project also includes construction of the new Zachary Substation at Kirksville and is scheduled for completion in 2018.
The Mark Twain Project is one of several MISO (Mid-continent Independent System Operator) Multi-Value Projects approved in 2011. ATXI now will submit the planned Mark Twain Transmission Project to the Missouri Public Service Commission (PSC) for review and approval.
161 kV Connector
In order to bring electricity from the Mark Twain Transmission Line Project to utility customers, it is necessary for Ameren Transmission Company of Illinois (ATXI) to build a 161,000-volt (161 kV) connector transmission line from the existing Adair Substation to the Zachary Substation at Kirksville. This connector transmission line will be approximately 2.5 miles in length. Read more.