Curtailment, unless pursuant to § 50.51, shall begin with Service Priority Class V and continue as necessary through Service Priority Classes IV, III, II and I as follows:
(A) When the utility’s fuel supply reaches 40 days, public notice, by press release, shall be given to Service Priority Class V customers to fully (100%) curtail the service.
(B) When the utility’s fuel supply reaches 40 days, public notice shall be given to:
(1) Service Priority Class IV to curtail service to a service level of not more than 50% of service obligation or base monthly consumption, whichever is applicable as determined by the utility;
(2) Service Priority Class III to curtail service to a service level of not more than 75% of service obligation or base monthly consumption, whichever is applicable as determined by the utility; and
(3) Service Priority Class II to curtail service to a service level of not more than 85% of service obligation or base monthly consumption, whichever is applicable as determined by the utility.
(C) When the utility’s fuel supply reaches 30 days, public notice shall be given to:
(1) Service Priority Class IV to curtail service fully to a service level that is necessary to protect and maintain Service Priority Class IV facilities; and
(2) Service Priority Class III to curtail service to a service level of more than 50% of service obligation or base monthly consumption, whichever is applicable as determined by the utility.
(D) After Service Priority Classes IV, III and II are curtailed to a level of not more than indicated in division (C) of this section of service obligation or base monthly consumption, Service Priority Classes IV through II, both inclusive, will be further curtailed by equal percentages until full (100%) curtailment occurs.
(E) After Service Priority Classes IV, III and II are in full (100%) curtailment, curtailment shall commence in Service Priority Class I as necessary. Except as provided in division (A) of this section, the utility will give notice of curtailment in the most effective manner possible and as much in advance as possible with regard to the exigencies and the number of customers to be notified. The curtailment shall be effective as of the time and date specified in the notice.
(1982 Code, Appendix IX-3, § 8)