The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Commission." The Pennsylvania Public Utility Commission.
"Public utility." A public utility as defined in 66 Pa.C.S. § 102 (relating to definitions).
"Small business consumer." A person, sole proprietorship, partnership, corporation, association or other business entity which employs fewer than 250 employees and which receives public utility service under a small commercial, small industrial or small business rate classification.
73 P.S. § 399.42