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Seward Substation Transmission Line Relocation

Transmission Investments

Reliability is a responsibility that Duke Energy takes very seriously. As part of our dedication toward building a smarter, more reliable energy future in Butler County, Duke Energy Ohio is adding a fourth transformer and looping approximately 200 feet of 138-kilovolt (kV) electric transmission line into Seward Substation in Fairfield.

Aerial view of Seward project route.
View more detailed map.

Project Need

This project will help increase reliability to the growing development in the area. Duke Energy is committed to providing dependable, affordable and reliable service to our Butler County customers. This project will provide greater energy capacity, enhanced service reliability and will improve operations for this thriving community.

Project Description

Construction on the east side of the substation will provide access to set three new 138-kV steel poles outside the southeast side of the substation fence to support the new 200-foot section of transmission line.The steel poles will be approximately 85 feet tall.

The equipment upgrades inside the fence include adding a fourth transformer to change voltage levels between high transmission voltages and the lower distribution voltages that carry energy to homes and businesses.

Transmission Line Proposal: Public Input Invited

Vegetation clearing for this project is expected to begin in March 2022. Construction for the transmission line portion of the project is planned to begin in March 2022 (and inside the substation in February) and to be finished by November 2022.

A notice to construct, operate and maintain this electric transmission line project is now pending before the Ohio Power Siting Board (OPSB) in Columbus, Ohio. View the copy of the notice.

A paper copy will be provided upon request. To obtain a paper copy, please call 888.827.5116.

Benefits to the Community

  • Improves electrical system reliability
  • Better addresses the impact of severe weather in the city
  • Maintains a robust system for supplying and delivering energy, which is integral to ensuring the continued economic growth and prosperity of the city
  • Improves power quality and reliability now and in the future

Have a Question or Comment?

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or call 888.827.5116