As used in this part, “utility” means:

(1) An entity subject to the jurisdiction of the water and wastewater financing board in accordance with § 68-221-1008;
(2) An entity subject to the jurisdiction of the utility management review board in accordance with § 7-82-701;
(3) A cooperative, as defined in § 65-25-102; or
(4) A county-owned or municipal-owned utility that provides electric, natural gas, or propane services to the public.