Guymon – Tulsa Line is a 765kV overhead line from Guymon, Oklahoma, US, to Tulsa, Oklahoma, US.

The project, which is currently under construction, is expected to be commissioned in 2021.


Guymon – Tulsa Line is an overhead line that will be operated by American Electric Power. The line will carry alternating current (AC) through single circuit cable.

The development of the Guymon – Tulsa Line project has been approved by the Oklahoma Corporation Commission.

Guymon – Tulsa Line project development status

The construction works on the Guymon – Tulsa Line project were commenced in 2018 and commissioning is expected in 2021.

Contractors involved

Quanta Services was appointed by American Electric Power to undertake the construction works on the Guymon – Tulsa Line project.

About American Electric Power

American Electric Power Co Inc (AEP) is an energy holding utility. It generates, transmits and distributes electricity. The company produces power using coal, lignite, natural gas, wind, solar, nuclear and hydro sources. AEP builds smarter energy infrastructure and delivers new technologies and custom energy solutions. It also has interests in various power plants under development. The company serves residential, commercial, industrial and other retail customers, and wholesale customers in Arkansas, Louisiana, Texas, Oklahoma, Ohio, Kentucky, Michigan, Indiana, Tennessee, Virginia and West Virginia.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.