California Code, Public Utilities Code - PUC § 776.2

(a) For purposes of this section, “telecommunications service” has the same meaning as defined in Section 2892.1, but does not include voice communication provided by a provider of satellite telephone service.

(b) As part of a new or existing proceeding, the commission, in consultation with the Office of Emergency Services, shall develop and implement backup electricity rules to require providers of telecommunications service to submit resiliency plans to maintain backup electricity for their telecommunications infrastructure sufficient to maintain telecommunications service for at least 72 hours, except as provided in subdivision (c).

(c) In developing and implementing backup electricity rules pursuant to subdivision (b), the commission shall consider best practices, the feasibility of the rules, and stakeholder input. In considering best practices and feasibility, the commission may authorize, in appropriate circumstances, providers of telecommunications service to maintain backup electricity for their telecommunications infrastructure sufficient to maintain telecommunications service for less than 72 hours.

(d) This section does not require the commission to modify the communications resiliency requirements adopted in commission Decision 20-07-011 (July 16, 2020), Decision Adopting Wireless Provider Resiliency Strategies, or Decision 21-02-029 (February 11, 2021), Decision Adopting Wireline Provider Resiliency Strategies.