(a) Each utility shall have an outage communication plan in place to notify customers of any planned and any unexpected disruption of utility services. Such outage communication plan shall, at a minimum, include a methodology for advance notification to all affected customers for planned service disruptions, methods of communication, and notification content requirements concerning the outage, including an estimate of the duration and end of the outage.
(b) Each utility shall file its outage communication plan with the commission.