Oklahoma Gas & Electric

[8] The company delivers all of its electricity across an interconnected transmission and distribution system spanning 30,000 square miles (78,000 km2).

OG&E is a member of the Southwest Power Pool, a regional transmission operator spanning the Midwest from Texas to North Dakota.

OG&E was the first electric company in Oklahoma to offer wind power as a choice to its retail customers in 2003.

[9] In December 2016, OG&E announced that it gave out $7.5 million in "energy efficiency incentives to businesses, schools and government buildings in 2016.

In 2013, it was decided that Enogex would be merged with a portion of CenterPoint Energy's operations in a limited partnership to be called Enable Midstream Partners.