California Code, Public Utilities Code - PUC § 7721

Every civil action commenced pursuant to this article for civil or criminal penalties authorized by this article shall be brought by the city attorney, the district attorney, or the Attorney General in the name of the people of the State of California, and any actions relating to the same event, transaction, or occurrence may be joined or consolidated, or may be coordinated pursuant to Section 404 of the Code of Civil Procedure or Division II (commencing with Rule 1501) of Title Four of the California Rules of Court.