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Transource and BHE Transmission to Build Nearly 200-Mile 765-kV Transmission Line in Wisconsin

On Jan. 7, 2026, the Midcontinent Independent System Operator selected Midcontinent Grid Solutions, a 50/50 Transource Energy and BHE Transmission joint venture, to build the $1.2 billion Bell Center–Columbia–Sugar Creek 765 kV line in Wisconsin.
To meet growing demand, the plan emphasizes high-voltage transmission, with 765-kV lines said to improve efficiency and reliability across the MISO footprint, said Doug Cannon.
Transource and its parent companies bring decades of transmission experience, with AEP Transmission having built and operated more than 2,000 miles of 765-kV lines, and using its Guyed-Y line design to narrow right-of-way impacts.
Midcontinent Grid Solutions says a final route hasn't been chosen and the schedule is under development to meet a 2034 in-service date, committing to inform local landowners and communities through open houses.
Executives say the project aims to improve affordability and reliability across multiple states, with BHE Transmission saying it will 'unlock new opportunities for existing and emerging businesses throughout the MISO region'.

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Transource and BHE Transmission to Build Nearly 200-Mile 765-kV Transmission Line in Wisconsin

COLUMBUS, Ohio, Jan. 7, 2026 /PRNewswire/ -- A joint venture between Transource Energy, LLC and BHE Transmission plans to build a nearly 200 mile, 765-kV line in Wisconsin following selection by the Midcontinent Independent System Operator (MISO).

3 months ago·Buffalo, United States

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