Maple River – Cuyuna 345 kV Transmission Line Project

Project Details

Docket Numbers
Project Name
Maple River – Cuyuna 345 kV Transmission Line Project
Applicant
Minnesota Power, Great River Energy, Otter Tail Power
Location
Crow Wing County
Description

The Project involves construction of a new 345 kV double-circuit transmission line, initially operated as a single circuit, extending from Minnesota Power’s Cuyuna Substation in Crow Wing County, Minnesota, to Otter Tail Power Company’s Maple River Substation in Cass County, North Dakota

Status
active

Project Contact

Contact
Jacques Harvieux
Phone

Project Summary

The Applicants seek a Certificate of Need from the Minnesota Public Utilities Commission for the Maple River–Cuyuna 345 kV Transmission Project, a new 160–180 mile double-circuit transmission line connecting substations in Minnesota and North Dakota. The line will be jointly owned by Minnesota Power, Otter Tail Power Company, and Great River Energy.

Key Project Documents

Date
Title
Description
02/05/2026
Certificate of Need Application

Docket Documents

View All Project Documents 

Date Document ID On Behalf Of Description
May 14, 2026 20265-231814-01 PUC Received outside comment period - Gerald Goble
May 7, 2026 20265-231567-01 Overland - NRG and NO765MN - Andersens
May 7, 2026 20265-231575-01 Minnesota Power, Great River Energy, Otter Tail Power Company Maple River - Cuyuna Tenth Status Update
May 6, 2026 20265-231504-01 PUC Darryl Metzger
April 30, 2026 20264-231272-01 Minnesota Power, Great River Energy, and Otter Tail Power Company Comments on Request to Stay Proceedings
April 29, 2026 20264-231201-01 PUC
April 27, 2026 20264-230995-01 PUC Matthew Goodenough
April 27, 2026 20264-230995-02 PUC Matthew Goodenough
April 27, 2026 20264-230995-03 PUC Matthew Goodenough
April 13, 2026 20264-230350-01 Overland - Legalectric Petition for Rulemaking - Minn R ch 7850 and 7849
April 3, 2026 20264-230026-01 PUC Decision Option Commissioner Tuma New 10
April 1, 2026 20264-229939-01 PUC April 9, 2026 Agenda
March 27, 2026 20263-229603-01 PUC April 9, 2026 Agenda Meeting
March 23, 2026 20263-229554-01 Minnesota Power, Great River Energy, Otter Tail Power Company Maple River - Cuyuna Ninth Status Update
March 19, 2026 20263-229553-01 PUC Susan Holden w Attchmnts
March 17, 2026 20263-229362-01 PUC Open House Postcard Invite and Refined Potential Route Map
March 10, 2026 20263-229115-01 LIUNA Minnesota/North Dakota
March 10, 2026 20263-229113-02 Donna J. Andersen and Curtis Andersen and Donna's Acres LLC Supplemental Comment of Donna J. Andersen and Curtis Andersen and Donna's Acres LLC
March 10, 2026 20263-229113-01 Donna J. Andersen and Curtis Andersen and Donna's Acres LLC Cover and Cert Srv of Supplemental Comment
March 10, 2026 20263-229076-01 DOC DER
March 3, 2026 20263-228881-01 Donna J. Andersen and Curtis Andersen and Donna's Acres LLC Reply Comments of Donna J. Andersen and Curtis Andersen and Donna's Acres LLC
March 3, 2026 20263-228880-01 Minnesota Power, Great River Energy, and Otter Tail Power Company Reply Comments on CON Application Completeness
March 3, 2026 20263-228880-02 Minnesota Power, Great River Energy, and Otter Tail Power Company Certificate of Service - Reply Comments on CON Application Completeness
February 27, 2026 20262-228767-01 Overland - Legalectric Overland Reply Comment - Xcel Peak Demand Down 377MW
February 25, 2026 20262-228638-01 Donna J. Andersen and Curtis Andersen and Donna's Acres LLC Notice of Appearance - Donna J. Andersen and Curtis Andersen and Donna's Acres, LLC
February 25, 2026 20262-228610-01 Donna J. Andersen and Curtis Andersen and Donna's Acres LLC Cover and Certificate of Service - Andersen Comments
February 24, 2026 20262-228585-01 DOC DER
February 24, 2026 20262-228531-01 PUC EIP on CN Application Completeness
February 24, 2026 20262-228547-01 Midcontinent Independent System Operator, Inc.
February 24, 2026 20262-228586-01 Donna J. Andersen and Curtis Andersen, et al. Initial Comments of Donna J. Andersen and Curtis Andersen, et al.