All public utility franchises, whether it is provided in the 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 therewith;
(b) To require proper and adequate extension of plant and service and the maintenance thereof at the highest practicable standard of efficiency;
(c) To establish reasonable standards of service and quality of products, and to 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 the safety, welfare and accommodation of the public.