Ameren Transmission Company of Illinois (ATXI) has begun construction of the $250m Mark Twain Transmission Project, a 96-mile, 345,000-volt transmission line and substation, in northeast Missouri, US.
Earlier in May 2018, ATXI, a wholly owned subsidiary of Ameren Corporation, broke ground on the site of the Zachary Substation adjacent to the Adair Substation in Adair County, Missouri.
The new substation will transform high-voltage electricity from the transmission system to lower-voltage electricity, which will be supplied to homes and businesses through distribution lines.
ATXI chairman and president Shawn Schukar said: “After two years of listening to and collaborating with local communities, we’re delighted to begin construction on the Mark Twain Transmission Project.
“When it’s complete, the project will provide multiple benefits to the people of northeast Missouri and the greater region. These project benefits include economic growth, increased tax revenue, greater energy reliability and improved access to renewable energy sources, such as wind.”
Later in May 2018, contractor L Keeley Construction will begin take up construction of access points along the transmission corridor from nearby public roadways.
Contractors will use these points to access the right of way throughout project construction. L Keeley will begin digging and pouring concrete structure foundations after the creation of access points.
ATXI construction supervisor Chuck Twellmann said: “With any construction project, our goal is to complete the work as safely and as quickly as possible.
“As construction moves forward, we’ll continue to work closely with landowners and community members to ensure the building and property-restoration process flows smoothly.”
The route will cover Adair, Knox, Lewis, Marion and Schuyler counties in Missouri.
Nearly 100% of the transmission line will be co-located on existing rights of way, which include Northeast Missouri Electric Power Cooperative’s 161,000-volt line between Palmyra and Kirksville and Ameren Missouri’s 161,000-volt line from Kirksville to the Iowa border.
The project is expected to come into service in December 2019.