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Oakley Underground Line Relocation

Oakley Underground Transmission Line Relocation

Project Update 

Contractors will continue working in the present intersection before the July 4 holiday break, when construction will be halted on July 3-5. After the holiday break, crews will cross Madison Road and work toward the manhole near the Subway restaurant. Customer parking near these businesses (Subway, Rooted Juicery, Thrive Chiropractic) should not be impacted by construction.

We’re aiming for all construction to be completed by the end of July, followed by restoration that includes repaving the street and curb repairs. We will keep you updated as that schedule is finalized.

Project Overview

Reliability is a responsibility Duke Energy takes very seriously. As part of our commitment, we are repairing an existing 138,000-volt (138-kV) transmission line buried under Madison Road in Oakley (Hamilton County).
The trench or tunnel that houses the underground transmission line was installed in the 1940s. Previous efforts were unsuccessful for repairing the transmission line in place. As a result, we will relocate a 0.3-mile (1,700 feet) section of the new transmission line in another area under Madison Road to make the repairs. The transmission line is a vital component of our electric system in Greater Cincinnati.


Oakley Underground Line Relocation Project Site Map

View more detailed map.

Project Description

This work will involve excavation under Madison Road to install the new section of transmission line. The repaired transmission line will be installed in protective plastic sleeves, which are then fully encased in steel-reinforced concrete.

An application to construct, operate and maintain this project has been approved by the Ohio Power Siting Board (OPSB). Letters also were sent to neighboring property owners and tenants, explaining how they can could participate in the process. View the copy of the application filing.

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

Community Benefits

These grid improvements will help our customers in many ways now and in the future.
  • Helps restore flexibility for providing critical energy to communities in the region

  • Maintains a robust system for supplying and delivering electric service, helping promote continued economic growth for the region

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