Beaver River-Porter

Central New York

National Grid’s Beaver River-Porter project will rebuild approximately 60.32 miles of 115kV electric transmission lines in Lewis and Oneida counties. The project also includes the construction of two new substations.

Beaver River-Porter

Project Quick Facts

Beaver River-Porter serves Lewis and Oneida counties and travels through the villages of Croghan, Lowville, Turin, Boonville, and Holland Patent and the towns of Boonville, Croghan, Floyd, Leyden, Lowville, Marcy, Martinsburg, New Bremen, Steuben, Trenton, Turin, Watson, and West Turin.
The project will replace existing 115kV wire and structures in the right of way. Additional easements may be needed for the construction and operation of the line. The project aincludes construction of the new Beaver River substation in the Town of Croghan and the new Gulf Road substation in the Town of Leyden.
Also included are access roads upgrades and technologies to improve response time and decrease maintenance costs.

Questions or Feedback

If you have a question or complaint, you can contact the project team at 800-390-6634, email us at [email protected], or complete this form. Note, if you are trying to contact us because of an emergency, please call 911.

Construction and Permitting Updates

Weekly Construction Updates

NYS Department of Public Service Case Files

Permitting: The New York State Public Service Commission awarded an Article VII permit for this project at its meeting on July 17, 2026 (see information below). National Grid will file its Environmental Management and Construction Plan for the transmission lines with the PSC in the coming weeks.

National Grid filed its Environmental Management and Construction Plan for the Beaver River substation on May 26, 2026. The PSC approved the plan at its August 13, 2026 meeting.

Document Library

Permitting and Participation

This project required Article VII permitting. The New York State Public Service Commission awarded an Article VII permit for this project at its meeting on July 17, 2026 as part of case no. 25-T-0178.

National Grid will file its Environmental Management and Construction Plan for the transmission line with the PSC in the coming weeks.

The company filed its Environmental Management and Construction Plan for the Beaver River substation on May 26, 2026. The PSC approved the plan at its August 13, 2026 meeting.

Thank you to everyone who joined us at our open houses on July 16 and 23, 2025, our virtual information session on July 30, 2025, and the Public Service Commission's Public Statement Hearings on January 9, 2026.

You may always contact us with questions or comments by phone at 844-236-5977 or [email protected].

You can also complete this form. Note, If you are trying to contact us because of an emergency, please call 911.

Schedule

Design & Permitting: Through Spring 2027
Anticipated Construction Start: Fall 2026 (substation work)
Anticipated Construction End: Winter 203