Appleton to Benson 115 kV Transmission Line Project

Project Details

Docket Numbers
Project Name
Appleton to Benson 115 kV Transmission Line Project
Applicant
Great River Energy, Otter Tail Power Company, Western Minnesota Municipal Power Agency, Agralite Electric Cooperative, and the city of Benson
Location
Swift County
Description

The applicants propose to upgrade and construct approximately 29 miles of 115 kV transmission line in Swift County, Minnesota.

Status
active

Project Contact

Contact
Sam Weaver
Phone

Project Summary

The applicants propose to upgrade and construct approximately 29 miles of  115 kV transmission line in Swift County, Minnesota.

The proposed project includes:

  • Upgrading approximately 18.3 miles of existing 41.6 kV transmission line.
  • Rebuilding or reconductoring approximately one mile of an existing 115-kV transmission line.
  • Constructing approximately 8.0 miles of new 115 kV transmission line.
  • Constructing an approximately 1.7-mile 115 kV transmission line from Great River Energy’s existing AG-BK 115-kV line to the Benson Municipal Substation.

In addition, the project includes constructing a new Appleton Substation and either relocating or expanding the Moyer and Danvers Substations. Improvements will also be made at the Shible Lake and Benson Municipal Substations to accommodate the new 115 kV transmission line.

Construction of the project is anticipated to begin in 2028. The project is anticipated to be in service in early 2030.

Interactive Map

Key Project Documents

Date Title Description
12/27/2024 Certificate of Need and Route Permit Application for the Appleton to Benson Transmission Line Project Great River Energy, Otter Tail Power Company (Otter Tail Power), Western Minnesota Municipal Power Agency (Western Minnesota) through its agent Missouri River Energy Services (MRES), Agralite Electric Cooperative (Agralite), and the City of Benson (together, the Applicants) submit this joint application for a Certificate of Need and Route Permit (Application) to the Minnesota Public Utilities Commission (Commission or MPUC) to construct approximately 29 miles of new 115-kilovolt (kV) high voltage transmission line (HVTL) from the City of Appleton to the City of Benson in Swift County, Minnesota, referred to as the Appleton to Benson Transmission Line Project (Project).
08/11/2025 Final Environmental Assessment Appleton to Benson Final Environmental Assessment
08/11/2025 Appendix A- Figures Appendix A- Figures
08/11/2025 Appendix B- Scoping Decision Appendix B- Scoping Decision
08/11/2025 Appendix C- Draft Appleton to Benson Route Permit Draft Appleton to Benson Route Permit
08/11/2025 Appendix D-Energy Conservation and Efficiency Appendix D-Applicants' Energy Conservation and Efficiency Program Information
08/11/2025 Appendix E- Vegetation Management Plan Appendix E- Vegetation Management Plan
08/11/2025 Appendix F Photolog Appendix F Photolog

Docket Documents

View All Project Documents 

Date Document ID On Behalf Of Description
September 30, 2025 20259-223398-01 DOC DER
September 30, 2025 20259-223416-01 Minnesota Interagency Vegetation Management Planning Working Group VMPWG Hearing Comments
September 23, 2025 20259-223237-01 PUC Newspaper Notice
September 23, 2025 20259-223230-01 PUC EQB Monitor Notice of Meetings/Hearings
September 23, 2025 20259-223233-01 PUC Newspaper Notice
September 12, 2025 20259-222942-01 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON 2025-09-12 Appleton to Benson_Filing LTR with EA Comments
September 11, 2025 20259-222913-01 PUC US Fish and Wildlife Service
September 4, 2025 20259-223167-01 Shaddix & Associates - Stenographic Court Reporters Virtual Public Hearing held on 9-4-25
September 4, 2025 20259-222718-01 PUC Meeting Presentation
September 3, 2025 20259-223177-01 Shaddix & Associates - Stenographic Court Reporters Sign-in Sheet for the public hearing in Benson on 9-3-25
September 3, 2025 20259-222806-02 Shaddix & Associates - Stenographic Court Reporters Benson Public Hearing on 9-3-25
September 3, 2025 20259-222806-01 Shaddix & Associates - Stenographic Court Reporters Appleton Public Hearing on 9-3-25
August 27, 2025 20258-222468-01 PUC AMENDED NOTICE OF PUBLIC HEARINGS AND AVAILABILITY OF ENVIRONMENTAL ASSESSMENT
August 25, 2025 20258-222489-01 Shaddix & Associates - Stenographic Court Reporters Prehearing held on 8-25-25
August 25, 2025 20258-222393-01 CAH Second Prehearing Order
August 15, 2025 20258-222134-01 OAH Second Order for Prehearing Conference (with updated CAH name/logos)
August 15, 2025 20258-222132-01 OAH Second Order for Prehearing Conference
August 14, 2025 20258-222107-04 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON Appleton to Benson_Direct Testimony of G. Vinson
August 14, 2025 20258-222107-03 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON Appleton to Benson_Direct Testimony of N. Goater
August 14, 2025 20258-222107-01 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON Appleton to Benson_Filing Letter Direct Testimony
August 14, 2025 20258-222107-02 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON Appleton to Benson_Direct Testimony of M. Strohfus
August 14, 2025 20258-222107-05 GREAT RIVER ENERGY, OTTER TAIL POWER COMPANY, WESTERN MINNESOTA MUNICIPAL POWER AGENCY, AGRALITE ELECTRIC COOPERATIVE, AND THE CITY OF BENSON Appleton to Benson_Direct Testimony of B. Zavesky
August 8, 2025 20258-221888-01 PUC NOTICE OF PUBLIC HEARINGS AND AVAILABILITY OF ENVIRONMENTAL ASSESSMENT
August 1, 2025 20257-221599-03 PUC EIP EA Appendix B- Scoping Decision
August 1, 2025 20257-221599-01 PUC EIP Appleton to Benson 115 kV HVTL Environmental Assessment
August 1, 2025 20257-221599-06 PUC EIP EA Appendix E- Draft Vegetation Management Plan
August 1, 2025 20257-221599-05 PUC EIP EA Appendix D- Applicants' Energy Conservation and Efficiency Program Information
August 1, 2025 20257-221599-07 PUC EIP EA Appendix F- Site Photos
August 1, 2025 20257-221599-04 PUC EIP EA Appendix C- Draft Route Permit
August 1, 2025 20257-221599-02 PUC EIP EA Appendix A- Figures