Duke Energy Underground Line Relocation

Duke Energy will be 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 (from Gilmore to Drake) to make the repairs. These repairs are scheduled to start October 9 and continue through July of 2024, will work being done 9:00 AM - 4:00 PM , Monday - Friday.

Duke project site: Oakley Underground Line Relocation (duke-energy.com)


03.05.2024 Updates

Beginning Thursday, March 7: Crews will begin cutting into the pavement at the manhole on the opposite end of Madison from the library – near the Clepper-Kelsch Funeral Home building at 2961 Madison. The construction will be crossing the street and then working in front of businesses up to Subway including the Subway restaurant, Oakley Square Animal Hospital, Rooted Juicery & Kitchen, Define Oakley and Dewey’s Pizza. We expect this work to continue through March 13.

01.05.2024 UPDATES

Weeks of January 8 and January 15:

Crews continue working around Skyline Chili. Businesses will remain open, and flaggers will direct traffic. Crews will not work Monday, January 15th

Saturday Schedule:

Beginning January 13 and weather permitting, crews expect to work Saturdays with lane restrictions between the hours of 7 a.m. to 5 p.m. to stay on schedule, as we are still aiming for completion in July.

Week of January 22:

Crews expect to install the next 60-to-100 foot section of trench under Madison Road in front of Bona Decorative Hardware.


Construction is expected to begin on October 9. The work will begin near the Oakley Library and continue down Madison towards the Square.


Project Update

Construction for this project is now planned to start this fall. Expect to see planning activities in early July at the laydown yard, located at Duke Energy’s Red Bank Substation off Brotherton Court in Cincinnati. We expect this important component of the electric system to be back in service by May 2024 and will continue to provide updates throughout the project.


Start of this project is delayed, as Duke works to get all the appropriate approvals. Watch for updates & revised schedule when we get them.


Duke will be dropping  the postcard shown below on 03/02/2023, informing impacted businesses/properties of the manhole testing work that will be happening the week of March 20th.   There will be flaggers and lane restrictions during the hours of 9 a.m. – 4 p.m. 


OCC First Tuesday Meeting - Duke representatives will present project details.

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