AES Ohio is proposing the Sidney substation expansion project, located in the City of Sidney, Shelby County, Ohio.

This project will expand the existing 138 kilovolt (“kV”) bus arrangement to a full breaker ring configuration and install two new 138kV circuit breakers. Additionally, the new 13854 Sidney-Franklin 138kV transmission line will terminate into the new 138kV ring bus. This project is a part of the wider area improvements that will provide operational flexibility and capacity to the north portion of our service territory.

Frequently asked questions

The Sidney substation expansion project is located at 2395 Campbell Road, located west of I-75, in Sidney, Shelby County, Ohio.




Estimated project schedule

November 2022
  • File Letter of Notification with Ohio Power Siting Board (OPSB)
January 2023
  • OPSB approval

September 2023
  • Construction begins
June 2024
  • Project in-service

Bold-italic text 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 affected customer(s) will be notified before the outage to limit the inconvenience.

Visit the Ohio Siting Board website to view the application and for more information. The case number for Sidney substation expansion project is 22-0835-EL-BNR.

To contact AES Ohio about the project or request an electronic copy or hard copy of the application, please leave a message at 937-331-4314 or email You will receive a response within 1-2 business days.