Public Service Company of Oklahoma

PSO, a unit of American Electric Power (Nasdaq: AEP), is an electric utility company serving nearly 575,000 customer accounts in eastern and southwestern Oklahoma, powering a cleaner, brighter energy future for its customers and 232 communities. Based in Tulsa, PSO has approximately 4,400 megawatts of diverse generating capacity that primarily includes wind and natural gas. It maintains and operates more than 20,000 miles of distribution lines and 3,800 miles of transmission lines and is one of the largest distributors of wind energy in the state. Public Service Company of Oklahoma was recognized by the Edison Electric Institute with an Emergency Response Award in January 2025.