CA Pub Util Code Section 2105

All penalties accruing under this part shall be cumulative, and a suit for the recovery of one penalty shall not be a bar to or affect the recovery of any other penalty or forfeiture or be a bar to any criminal prosecution against any public utility, or any officer, director, agent, or employee thereof, or any other corporation or person, or to the exercise by the commission of its power to punish for contempt.