71 Pa. Stat. § 309-1
As used in this article:
"Commission" means the Pennsylvania Public Utility Commission.
"Consumer" means any person (i) who makes a direct use or is the ultimate recipient of a product or a service supplied by any person or public utility subject to the authority of the commission or (ii) who may be a direct user or ultimate recipient of a product or service supplied by any person or public utility subject to the authority of the commission and may be affected in any way by any action within the authority of the commission. The term "consumer" includes any "person," "corporation" or "municipal corporation" as defined in section 2 of the act of May 28, 1937 (P.L. 1053, No. 286), known as the "Public Utility Law."
"Public utility" means public utility as defined in section 2(17), act of May 28, 1937 (P.L. 1053, No. 286), known as the "Public Utility Law."
71 P.S. § 309-1