Section R. 460.722 - Unacceptable levels of performance during service interruptionsRule 22. It is an unacceptable level of performance for an electric utility or cooperative to fail to meet any of the following sustained interruption standards:
(a) Considering data derived through the amalgamation of data from all conditions, an electric utility or cooperative shall restore service within 36 hours to not less than 90% of its customers experiencing sustained interruptions.(b) Considering data including only catastrophic conditions, an electric utility or cooperative shall restore service within 48 hours to not less than 90% of its customers experiencing sustained interruptions.(c) Considering data including only gray sky conditions, an electric utility or cooperative shall restore service within 24 hours to not less than 90% of its customers experiencing sustained interruptions.(d) Considering data including only normal conditions, an electric utility or cooperative shall restore service within 8 hours to not less than 90% of its customers experiencing sustained interruptions.(e) From the effective date of these rules until December 31, 2029, considering data derived through the amalgamation of data from all conditions, not more than 6% of an electric utility's or cooperative's customers may experience 4 or more sustained interruptions in a calendar year.(f) Beginning January 1, 2030, considering data derived through the amalgamation of data from all conditions, not more than 5% of an electric utility's or cooperative's customers may experience 4 or more sustained interruptions in a calendar year.Mich. Admin. Code R. 460.722
2004 AACS.; 2023 MR 7, Eff. 4/10/2023