OGE Energy Corp. (OGE Energy) is an energy and energy services provider offering physical delivery and related services for both electricity and natural gas in the south central United States. The Company operates through two business segments: electric utility and natural gas midstream operations. The electric utility segment generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas. Its operations are conducted through Oklahoma Gas and Electric Company (OG&E). OG&E is an electric utility-based in Oklahoma and its franchised service territory includes the Fort Smith, Arkansas area. The natural gas midstream operations segment represents its investment in Enable Midstream Partners, LP (Enable). Enable is engaged in the business of gathering, processing, transporting and storing natural gas and its assets are located in over four states and serve natural gas production from shale developments in the Anadarko, Arkoma and Ark-La-Tex basins.