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Missouri to Iowa Transmission Project

Northeast Power has identified a need to increase transfer capacity and improve reliability between or Missouri and Iowa transmission systems. To address this, a series of transmission system upgrades, including a portion of new greenfield construction are being planned and constructed. Collectively, these efforts are referred to as the "Missouri to Iowa Transmission Project."

 

 

Overall Missouri to Iowa Transmission Project Map

Phase 1: Winchester Substation to Franklin Switch Station

A total of 27.5 miles and includes co-location with Ameren and ITC, new greenfield land clearing and line construction (new and replacement construction).

 

Phase 2: Winchester Substation to Kahoka Switch Station

A total of 9.3 miles of existing Northeast Power line.

Phase 3: Kahoka Switch Station to Williamstown Substation

A total of 10.5 miles of existing Northeast Power line.

 

Phase 4: Williamstown to Lewistown Substation

A total of 10.5 miles of existing Northeast Power line. 

 

 

 

 

Phase 1 of the Missouri to Iowa Transmission Project

Red Portion: Existing Missouri Line Rebuilds

This secton of the project will include an upgrade to an existing 1.7 mile section of line between the Franklin Substation and the Franklin Switch Station near West Point, IA.

 

Yellow Portion: Missouri Co-location with Ameren

This section of the project includes co-location of approximately 8 miles of transmission line with Ameren Missouri on their existing right-of-way. Structures will be upgraded to a steel H-frame design. Northeast Power is obtaining new easements on this portion. Construction is anticipated to begin in early 2026.

 

Teal Portion: Iowa Co-location with ITC

This section of the project includes co-location of approximately 12 miles of transmission line with ITC Midwest on their existing right-of-way. Structures will be upgraded to a steel monopole design. Northeast Power obtained new easements on this portion. Construction is anticipated to begin in early 2026.

 

Blue Portion: Greenfield Portion in Iowa

This section of the project includes new construction on approximately six (6) miles of transmission line in Iowa. Easements have been acquired. Land clearing is anticipated to begin October 1, 2025. Line construction will not take place until late 2026 or early 2027.

Missouri to Iowa Transmission Fact Sheets

Missouri to Iowa Transmission Fact Sheets-3.pdf
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  • About
    • Member-Distribution Cooperatives
    • Board of Directors
    • Departments and Management
    • Mission, Vision, Values
    • Annual Reports
  • Initiatives
    • Economic Development
    • Electric Vehicles
      • EV Charger Finder
      • EV Cost Savings
      • EV Facts
      • EV Models
    • Safety
      • Energizing Safety
      • Safe Electricty
  • Right-of-Way Maintenance
  • Careers
  • Current Projects
    • Zachary to Mussel Creek