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 tentatively scheduled to start this May and continue for 5 months, will work being done 9:00 AM - 4:00 PM , Monday - Friday.

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



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.

"Oakley Community Council" is a 501(c)3 non-profit organization. Cincinnati, OH 45209 -- Bylaws
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