Oklahoma-based OGE Energy Corp. serves as both an energy and energy services provider, delivering physical delivery alongside complementary services throughout the United States. The firm's Electric Company Operations and Natural Gas Midstream segments enable it to generate, transmit, distribute, and sell electric energy. Retail electric services are provided to almost 900,000 customers in Oklahoma and western Arkansas, covering a broad service area of approximately 30,000 square miles. OGE operates a diverse range of generating assets, including coal-fired, natural gas-fired, wind-powered, and solar-powered plants. The company has been in operation since 1902 and has its headquarters in Oklahoma City.