(1) "Real property" includes any right, title or interest in real property.
(2) "Utility" means any corporation, including municipal or quasi-municipal corporation, company, individual, association of individuals, lessee, trustee or receiver, that owns, operates, manages or controls all or part of any plant or equipment in this state, whether or not such plant or equipment or part thereof is wholly within or outside any city, which plant or equipment is used, directly or indirectly:
(a) For the conveyance of telegraph or telephone messages, with or without wires;
(b) For the transportation of water, gas or petroleum products by pipelines;
(c) For the production, transmission, delivery or furnishing of heat, light, water, power, electricity or electrical impulses; or
(d) For the transmission and delivery of television pictures and sound by cables. [1965 c.382 §2]