Okla. Stat. tit. 11, § 11-21-121: Furnishing retail electric service to certain electric

consuming facilities prohibited.

Except as provided in this section, municipal corporations or

public trusts thereof, the Grand River Dam Authority, rural electric

cooperatives or investor-owned electric utilities shall not furnish

retail electric service to an electric consuming facility which is

currently being served, or which was being served and the electric

facilities are in place to render such a service, by a municipal

corporation or public trust thereof, the Grand River Dam Authority,

a rural electric cooperative or an investor-owned electric utility

unless the entities involved have agreed by mutual consent, in

writing, to such transaction. For purposes of this section, the

term "electric consuming facility" means everything that utilizes

electric energy from a central station source.