California Code, Public Utilities Code - PUC § 9605

(a) This division and Chapter 2.3 (commencing with Section 330) of Part 1 of Division 1 do not affect preexisting ratemaking authority of a regulatory body of any local publicly owned electric utility.

(b) This division does not modify or abrogate any agreement, or any rights or obligations in any such agreement, between retail electric service providers relating to service areas.

(c) This division does not limit or affect the statutory rights of a local publicly owned electric utility to negotiate and design rates for existing customers and new customers not choosing to be served by an alternate supplier.

(d) This division does not limit electric supply options within the service territory of a local publicly owned electric utility to the extent the options are of the nature specified in Section 218 as it existed on December 20, 1995, with the exception of paragraph (3) of subdivision (b) of that section, and the imposition of a severance fee or transition charge on customers electing those options shall be prohibited whether the elections are made before or after the availability of direct transactions within the service area of the local publicly owned electric utility.