Darlington Road – Roman Nose

    Public Service Company of Oklahoma, in conjunction with AEP Oklahoma Transmission Company, built approximately 13 miles of new 138-kilovolt (kV) transmission line from a substation near Calumet to a point of interconnection with OG&E near Geary, OK.

    The need for this project was driven by growing power demand in the area and Southwest Power Pool (SPP). SPP, a regional transmission organization, identified the need for these upgrades to bolster the local electric transmission system and provide continued reliable power to Canadian county.

    The company’s estimated investment on this project is approximately $11 million and was completed and placed in-service in June 2017. Right-of-way restoration is still underway and is expected to be complete later this year.


    Project Benefits

    This investment is necessary to provide overload relief and ensure capacity for future growth in the area. The need for this project is driven by customer load growth and the Southwest Power Pool (SPP). SPP, a Regional Transmission Organization, identified the need for these upgrades to provide regional overload relief. SPP operates under federal mandate to ensure reliable supplies of power and adequate transmission infrastructure.

    News Release

    Fact Sheet


    Typical Structures


    The typical right-of-way width for this project will be 100’ wide, or 50’ on each side of the centerline.

    * 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.