AES Ohio is proposing Clinton substation expansion 1 project, located near the city of Wilmington in Clinton County, Ohio.
The proposed Clinton Substation Expansion 1 Project is part of the necessary upgrade to expand the existing substation fence line to accommodate an additional 345 kV line installed as part of the Fayette to Clinton 345-kilovolt (kV) Transmission Line Project, two customer feeds, and a new compensator. The proposed project involves expanding the substation fence line, modifying the existing ring bus, and installing nine breakers. These enhancements will support new load demands while increasing capacity, flexibility, and redundancy.
Frequently asked questions
The Clinton Substation Expansion 1 Project is located on East Dalton Road, near the city of Wilmington in Washington and Union Townships, Clinton County, Ohio.
Estimated project schedule
| June 2026 |
|
|
September 2026 |
|
| September 2025 |
|
| January 2028 |
|
|
Indicates the current project stage |
During construction, customers should not notice interruption of their electric service. If an outage is required for a short period, the impacted customer(s) will be notified before the outage to limit the inconvenience.
Visit the OPSB website to view the application for more information. The Case Number for AES Ohio Clinton Substation Expansion 1 Project is 26-0462-EL-BLN.
To contact AES Ohio about the project or request an electronic copy of the application, please leave a message at 937-331-4314 or email aesohiotransmissionmaintenancegroup@aes.com. You will receive a response within 1-2 business days.
About AES Ohio
- Serving 539,000 customers across 24 counties
- Approximately 19,100 miles of transmission, distribution and underground lines
- 6,000 square mile service territory
AES Ohio invests in our equipment and technology to create a stronger, safer and more efficient electrical system. We know our customers depend on us to provide the electricity they need to power their lives.
