Section 2901 Of Article 1. General Provisions And Definitions From California Public Utilities Code >> Division 1. >> Part 3. >> Chapter 1. >> Article 1.

. Any municipal corporation may retain or surrender to the commission the powers of control vested in it to supervise and regulate the relationship between any one or more classes of public utilities, and their present or prospective customers, consumers, or patrons, and, if it has retained such powers over any class of public utilities, may thereafter surrender such powers to the commission.