Okla. Stat. tit. 17, § 160.38

Electric supplier or municipal corporation - Non-public charging or fueling stations - Applicability date. A. Nothing in Sections 160.33, 160.34, 160.35, or 160.36 of Title 17 of the Oklahoma Statutes shall be construed to prohibit an electric supplier or municipal corporation from operating, leasing, installing, or otherwise procuring service from an electric vehicle charging station or hydrogen fueling station on its own premises for the sole purpose of serving its own electric vehicles that is not open to the public. B. Nothing in Sections 160.33, 160.34, 160.35, and 160.36 of Title 17 of the Oklahoma Statutes shall be construed to apply to an electric vehicle charging station or hydrogen fueling station that was constructed, provided by, owned, operated, or maintained by a retail electric supplier or municipal corporation prior to November 1, 2023.