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Otter Tail Power outlines Maple River–Cuyuna 345 kV transmission plan; public outreach and permitting ahead
Summary
Otter Tail Power Co. briefed the Cass County commissioners on a planned 345 kV transmission line connecting Maple River substation to a new Cuyuna substation, describing routing, a 2026–2028 permitting window and a planned service date around 2033. The company emphasized landowner engagement and environmental reviews.
Craig Steingard of Otter Tail Power Company presented an overview of the Maple River–Cuyuna 345 kilovolt transmission project and fielded questions from commissioners and staff.
Steingard said the portfolio project approved in MISO’s MTEP 2024 will include approximately 160 miles of new 345 kV line (most of that in Minnesota, with roughly 8–10 miles in North Dakota). The line is described as single‑circuit 345 kV built on double‑circuit‑capable structures; the company plans to string both circuits but operate a single circuit initially. Primary…
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