OGE Energy Corp. is a holding company, which engages in the provision of physical delivery and related services for both electricity and natural gas. It operates through the Electric Utility and Natural Gas Midstream Operations segments. The Electric Utility segment generates, transmits, distributes, and sells electric energy in Oklahoma and Western Arkansas. The Natural Gas Midstream Operations segment involves gathering, processing, transporting, storing, and marketing of natural gas. The company was founded in August 1995 and is headquartered in Oklahoma City, OK.