Okla. Stat. tit. 17 § 158.23
It is hereby declared to be in the public interest that, in order to encourage the orderly development of coordinated statewide retail electric service, to avoid wasteful duplication of distribution facilities, to avoid unnecessary encumbering of the landscape of the State of Oklahoma, to prevent the waste of materials and natural resources, for the public convenience and necessity and to minimize disputes between retail electric suppliers which may result in inconvenience, diminished efficiency and higher costs in serving the consumer, the state be divided into geographical areas, establishing the unincorporated areas within which each retail electric supplier is to provide the retail electric service as provided in this act.
Okla. Stat. tit. 17, § 158.23