Oklahoma Transmission Projects

State Contact

Juliet Capeheart
Project Outreach Specialist
918-599-2613   |    jacapeheart@aep.com

Michael Harris
Project Outreach Specialist
918-599-2553   |    mhharris@aep.com


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Approved Projects

Atoka - Hugo Transmission Improvements Project

Public Service Company of Oklahoma plans to upgrade about 55 miles of 138-kilovolt transmission line. The line stretches southeast from Atoka to Antlers before turning south toward Hugo.

Clinton Junction - Jensen Road Rebuild Project

Public Service Company of Oklahoma (PSO) and its affiliate, AEP Oklahoma Transmission Co., Inc. plan to invest approximately $63 million to upgrade over 60 miles of 138-kilovolt (kV) transmission line between Clinton and El Reno, Oklahoma. Construction to rebuild the transmission line began in fall of 2017 and is expected to be complete by mid-2019. Substation upgrades will begin in 2019 and be complete by mid-2020.

Darlington Road - Roman Nose

Public Service Company of Oklahoma, in conjunction with AEP Oklahoma Transmission Company, is planning to build approximately 13 miles of 138 kilovolt (kV) transmission line from a substation near Calumet to a point of interconnection with OG&E near Geary, OK. This investment is necessary to provide overload relief and ensure capacity for future growth in the area.

East Tulsa Transmission Line Rebuild Project

Public Service Company of Oklahoma (PSO) plans to rebuild about 2 miles of 138-kilovolt transmission line. This project strengthens the local electric system and ensures reliable service for east Tulsa.

Eliza Creek - Shidler Transmission Line Rebuild Project

Public Service Company of Oklahoma plans to rebuild approximately 41 miles of 138-kilovolt transmission line in Osage County. Plans include replacing the wooden structures along the line route with steel single-pole structures and installing new wires. The company expects to begin construction Spring 2020 and completion in Spring 2022.

Hugo - Fort Towson - Valliant Transmission Line Rebuild Project

Public Service Company of Oklahoma (PSO) plans to make upgrades to the electric transmission infrastructure in McCurtain and Choctaw counties. The project includes rebuilding about 23 miles of 69-kilovolt (kV) transmission line in southeast Oklahoma.

Maud - Weleetka Transmission Improvements

AEP Oklahoma Transmission Company, an affiliate of Public Service Company of Oklahoma (PSO), is planning to rebuild approximately 49 miles of electric transmission line to bring the system up to current standards and ensure continued reliable power. The line originates at an existing PSO substation south of Weleetka, then heads west towards Earlsboro before turning south to reach an OG&E substation located west of Maud. The rebuild project will involve removing existing transmission facilities and replacing them with steel structures and new wire. These improvements are necessary to ensure the continued reliability of the electrical system.

McAlester Area Improvements

Public Service Company of Oklahoma, in conjunction with AEP Oklahoma Transmission Company, is planning to invest approximately $19 million in electrical infrastructure upgrades in order to meet capacity needs for the City of McAlester and the Steven Taylor Industrial Park. Plans call for the addition of two new substations and approximately 8 miles of 138 kilovolt (kV) transmission line. The enhancements will benefit the area by increasing system capacity, improving reliability and allowing the company to more effectively isolate outages when they occur.

North Broken Arrow Re-conductor Project

Public Service Company of Oklahoma (PSO) plans to invest approximately $5 million to upgrade and improve an existing transmission line in north BrokenArrow. Approximately 7 miles of 138-kilovolt (kV) transmission line will be replaced with new wire and minor maintenance will take place on a portion of the existing steel lattice structures along the line route. The company expects to begin construction Fall 2018 and be complete by Summer 2019.

Southeast Oklahoma Area Improvements

The Southeast Oklahoma Area Improvements Project is an approximately $105 million investment designed to ensure continued reliable power and support local economic growth and development. The multi-phase project includes rebuilding about 125 miles of transmission line, upgrading about 5 miles of distribution equipment and line and some minor upgrades to surrounding substations. These improvements will continue through 2020.

Western Oklahoma Transmission Reinforcement Project

AEP Oklahoma Transmission Company, an affiliate of Public Service Company of Oklahoma (PSO), is planning significant improvements to the electric transmission system to ensure continued reliable power in western Oklahoma. The Western Oklahoma Transmission Reinforcement Project includes the following:

  • Building a new substation
  • Constructing a new 345-kilovolt (kV) transmission line from west of Elk City to a point of interconnection with Oklahoma Gas & Electric Company (OG&E) near Mountain View.
These investments are necessary to address existing system overloads and enhance long-term reliability in the region.



Resources

State Operating Companies

PSO - Public Service Company of Oklahoma serves 538,000 customers in Oklahoma. http://www.PSOklahoma.com