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    West Milton substation expansion project

    tech - silhouette of worker man on telephone pole West Milton substation expansion project

    AES Ohio has submitted an application to the Ohio Power Siting Board to expand the West Milton Substation in Miami County.

     

    This project will provide improved grid reliability, operational flexibility, and operating capacity to the northern Dayton area by installing a second 345/138 kilovolt (kV) transformer and a second 138/69kV transformer at the West Milton Substation.

    Specifically, the project will help to prevent transmission system overloads in the northern Dayton area of the AES Ohio transmission system under various outage conditions, complying with mandatory Federal Energy Regulatory Commission (FERC)/ North American Electric Reliability Corporation (NERC) reliability standards.

    Frequently asked questions
    Where is the West Milton Substation located?

    The West Milton Substation is located in West Milton, Miami County, Ohio.

    When will the work take place?

    Estimated project schedule

    August 2019
    • File Construction Notice Application with Ohio Power Siting Board (OPSB)
    December 2019
    • OPSB approval

    June 2020
    • Construction begins
    June 2021
    • Project in-service
     

    Indicates the current project stage.

    Will electric service be interrupted?

    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.

    Where can I get more information?

    Visit the OPSB website to view the application and for more information. The Case Number for AES Ohio's West Milton Substation Expansion Project is 19-1346-EL-BNR.

    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.

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