Glenmary Substation Project

    Appalachian Power representatives plan upgrades to the electric transmission system in Roanoke County.

    The Glenmary Substation Project involves building Appalachian Power’s new office, a substation and approximately a quarter of a mile of transmission line in the Roanoke County Center for Research and Technology off of Glenmary Road.

    Company representatives expect construction to begin in Spring 2021 and conclude by the end of 2021.

    Project Updates

    Appalachian Power representatives invite community members and landowners to learn more about the project via the "Virtual Open House" through October 9, 2020. To provide feedback or ask questions use the "Contact Us" page or call 833-313-3743.

    Project Releases

    Fact Sheet




    Crews plan to build the transmission line using lattice towers within the Roanoke County Center for Research and Technology.

    At Appalachian Power, we are committed to meeting the energy needs of customers while protecting the environment and natural beauty of the region.

    • Proposed Structure Height: 90 - 100 feet*

    *Exact structure and height may vary


    Substations serve as electrical intersections converting the power to voltage levels for use in homes, businesses and industrial facilities.

    *Substation shown is a general depiction of the proposed facilities for the project. It does not represent final design.

    * The accompanying map depicts the project area. It should be noted that the map contained on this site is for information purposes only. AEP reserves the right to alter, change, or amend the map at any time without notice and AEP provides no warranty about the accuracy of content. Keep this in mind when reviewing this map. However, AEP will make all attempts to keep this map as accurate as possible. If you have any questions about the accuracy of the current map please Contact Us.