SECTION 12.2  RIGHT OF REGULATION.
   All public utility franchises, whether it be so provided in the granting ordinance or not, shall be subject to the right of the city:
   (a)   To repeal the same for misuse or nonuse, or for failure to comply with the provisions thereof;
   (b)   To require proper and adequate extension of plant and service and maintenance thereof at the highest practicable standard of efficiency;
   (c)   To establish reasonable standards of service and quality of products, and prevent unjust discrimination in service or rates;
   (d)   To make independent audit and examination of accounts at any time, and to require reports annually;
   (e)   To require continuous and uninterrupted service to the public in accordance with the terms of the franchise throughout the entire period thereof;
   (f)   To impose such other regulations as may be determined by the council to be conducive to safety, welfare, and accommodation of the public.