Public Utilities Code section 349
(a)
The Independent System Operator shall perform a review following a major outage that affects at least 10 percent of the customers of the entity providing the local distribution service. The review shall address the cause of the major outage, the response time and effectiveness, and whether the transmission facility owner or operator’s operation and maintenance practices enhanced or undermined the ability to restore service efficiently and in a timely manner.(b)
(1)If the Independent System Operator finds pursuant to subdivision (a) that the operation and maintenance practices of the transmission facility owner or operator prolonged the response time or was responsible for the outage, the Independent System Operator may order appropriate sanctions, subject to the Federal Energy Regulatory Commission approving that authority.(2)
(A)If the Independent System Operator finds pursuant to subdivision (a) that the primary cause of the outage was the insufficiency of the electricity supply available to serve the electrical load within its balancing area authority, the Independent System Operator shall post on its internet website the finding and recommendations to prevent future shortfalls and share the finding and recommendations with the commission, the Energy Commission, and the Legislature.(B)
Findings and recommendations submitted to the Legislature shall be provided in accordance with Section 9795 of the Government Code.
Source:
Section 349, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PUC§ionNum=349. (accessed May 4, 2025).