Okla. Stat. tit. 45, § 939.1
The cost to the entity shall not increase the cost to the consumer or exceed the energy cost of existing long-term contracts for out-of-state coal preference including preference given Oklahoma vendors as provided in Section 85.32 of Title 74 of the Oklahoma Statutes.
Laws 1986, SB 458, c. 43, § 2, eff. January 1, 1987.