Okla. Admin. Code § 165:50-1-2
The following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Act" means 17 O.S. 1977 Supp. §§ 250-64 and as it may hereafter be amended.
"Affiliate," "affiliated person," "corporation," "firm," or "subsidiary" means any person, subsidiary, firm, or corporation which is controlled by an entity that also controls the utility, or the utility or an entity controlling the utility has directly or indirectly the power to control.
"Commission" shall mean or refer to the Oklahoma Corporation Commission.
"Electric distribution cooperative" means a cooperative corporation organized and doing business under the Rural Electric Cooperative Act, 18 O.S. 1971, § § 437-437.30, engaged in the retail distribution of electric energy.
"Electric generation cooperative" means a cooperative corporation organized and doing business under the Rural Electric Cooperative Act, 18 O.S. 1971, § § 437-437.30 engaged in the generation and distribution for resale of electric energy.
"Emergency sales of gas" means sales of natural gas made by a public utility or subsidiary thereof to one or more interstate pipelines or other out-of-state customer pursuant to federal law which exempts such transactions from the jurisdiction of the Federal Power Commission.
"Fair field price" means the value attributed to gas produced from wells owned by a public utility, or a subsidiary, or affiliate of a public utility, which shall be the going price paid by the utility, subsidiary, or affiliate to others in the field where such production is located. If the utility, subsidiary, or affiliate is not purchasing gas in such field, then such value shall be the price paid by the utility, subsidiary, or affiliate in the nearest field where conditions are similar. The value to be attributed to residue gas owned by a public utility, or a subsidiary, or affiliate of a public utility, from gas processing plants shall be the going price paid by the utility, subsidiary, or affiliate to others from the same plant. If the utility, subsidiary, or affiliate is not purchasing gas from said plant, then the value shall be the price paid by the utility, subsidiary, or affiliate at the nearest plant where conditions are similar. However, the Commission may require an adjustment of the fair field price when it deems it proper to do so based on information before it.
"Fuel adjustment clause" means any mechanism which allows a public utility or electric generating cooperative to automatically adjust its charges above or below the base amount included in its rates, based upon changes in costs of fuel for generation of electricity, purchased power, or purchased gas, and shall include purchased gas adjustment clauses.
"Heat rate" means a measure of the efficiency of an electric generating station, computed by dividing the total British thermal unit content of the fuel burned by the resulting net kilowatt-hours generated.
"Line loss" means the kilowatt-hours of electricity lost in the operation of an electric transmission or distribution system.
"Public utility" or "utility" means any individual, firm, association, partnership, corporation, or any combination thereof, other than a municipal corporation or their lessees, trustees and receivers, owning or operating for compensation in this state equipment or facilities for producing, generating, transmitting, distributing, selling, or furnishing electricity, or transmitting, directly or indirectly, or distributing combustible hydrocarbon natural or synthetic natural gas for sale to the public or for wholesale, unless its wholesale rates are regulated by a federal agency.
"PUD" means the Public Utility Division of the Oklahoma Corporation Commission.
"Purchased gas adjustment clause" means fuel adjustment clause which allows a public utility to automatically adjust its charges above or below the base amount included in its rates, based upon changes in the cost of purchased gas.
"Purchased power adjustment clause" means any mechanism which allows an electric public utility or electric distribution cooperative to adjust its charges above or below the base amount included in its rates based upon changes in costs of wholesale power purchased from others.
"Thousand cubic feet" or "Mcf" means that quantity of gas occupying one thousand cubic feet of space at 60 degrees Fahrenheit (60° F) and an absolute pressure as stated in the utility's tariffs.
Okla. Admin. Code § 165:50-1-2