City of Corona
Staff Report
400 S. Vicentia Ave.
Corona, CA 92882
File #: 22-0524
REQUEST FOR CITY COUNCIL ACTION
DATE: 06/05/2022
TO: Honorable Mayor and City Council Members
FROM: Utilities Department
SUBJECT:
Resolution adopting the City of Corona Utilities Department 2022 Wildfire Mitigation Plan.
EXECUTIVE SUMMARY:
Senate Bill 901 and Senate Bill 1054 requires all publicly owned utilities to update their wildfire mitigation plans annually to address any conditional changes to the electrical system that might alter the previous plan and submit the updated plan to the Wildfire Safety Advisory Board by July 1st of each year. This update to the City of Corona Utilities Department Wildfire Mitigation Plan incorporates recommendations provided by the California Wildfire Safety Advisory Board.
RECOMMENDED ACTION:
That the City Council:
a. Adopt Resolution No. 2022-063, adopting the City of Corona Utilities Department 2022 Wildfire Mitigation Plan.
b. Authorize the City Manager, or his designee, to make, as needed, plan modifications and submit the Utilities Department 2022 Wildfire Mitigation Plan to the Wildfire Safety Advisory Board to ensure compliance with State legislation.
BACKGROUND & HISTORY:
In 2008, the California Public Utilities Commission (CPUC) initiated a proceeding to address fires related to utility infrastructure, following a series of wildfires in 2007 and 2008. This proceeding aimed to establish new industry standards that would reduce the risk of electric line-ignited wildfires, with a focus on areas of the state where wildfire risks are elevated. In 2012, the CPUC adopted three interim fire maps that designated areas of the State where stricter inspection and vegetation clearance requirements would apply to overhead utility poles and equipment. These interim maps were based on generalized wildfire threats rather than areas at a unique risk of electric line-ignited City of Corona Page 1 of 4 Printed on 6/9/2022
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File #: 22-0524
fires. The CPUC acknowledged the need for an improved map. In the same 2012 decision, the CPUC directed parties to develop a more precise statewide fire map that identified areas of the State at an elevated risk of electric line-ignited wildfires.
In 2016, Governor Brown signed Senate Bill (SB) 1028, which required publicly owned utilities to identify additional wildfire mitigation measures that could be taken if the publicly owned utility’s governing Board found that its overhead electric lines and equipment posed a significant risk of causing a catastrophic wildfire. SB 1028 required that the publicly owned utility’s governing board base this determination on “historical fires and local conditions” and consult with local fire departments and other entities with responsibilities to control wildfires within the relevant area.
These requirements were specified in the newly added Public Utilities Code Section 8387.
In 2018, the CPUC completed the development of the statewide Fire Threat Map that designates areas of the State that have an elevated risk of electric line-ignited wildfires. This updated map incorporated historical fire data, fire-behavior modeling, fuel assessments, weather modeling, and a host of other factors. The map development and approval process involved detailed review by the relevant utility staff and local fire officials, a peer review process, and ultimate approval by a team of technical experts led by the California Department of Forestry and Fire Protection. The California Public Utilities Commission’s Fire Threat Map includes three Tiers/Levels of fire threat risk. Tier 1 consists of areas that have the lowest hazards and risks. Tier 2 consists of areas where there is an elevated risk for destructive electric-line-ignited wildfires. Finally, Tier 3 consists of areas where there is an extreme risk for destructive electric line-ignited wildfires.
The Utilities Department (UD) staff reviewed the CPUC’s Fire Threat Map and determined that the City does not have any electric utility infrastructure located in an area designated as either Tier 2 (elevated risk) or Tier 3 (extreme risk).The City has electric utility infrastructure in a Tier 1 area that includes overhead electric lines or equipment, consisting of 3 poles spanning roughly 78 Feet and totaling approximately 105 linear feet of overhead cable, including the dive to underground cable.
Staff also reviewed historical fire data and local conditions. Based on this review, staff concluded UD’s electric lines and equipment have minimal overhead exposure and did not pose a significant wildfire risk.
On September 19, 2018, the City Council adopted Resolution No. 2018-099, which adopted staff’s recommendation and found that UD’s overhead electric lines and equipment did not pose a significant risk of causing a catastrophic wildfire. On June 16, 2021, the City Council adopted Resolution No. 2021-051, adopting the 2021 Electric Utility Wildfire Mitigation Plan. Under SB 1028, UD was not required to identify any additional wildfire mitigation measures.
ANALYSIS:
In 2018, Governor Brown signed SB 901, which addressed a wide range of wildfire prevention, response, and recovery issues. SB 901 substantially revised Public Utilities Code (PUC) Section 8387, eliminating the prior process established by SB 1028 and requiring all publicly owned utilities (POUs) (regardless of size or wildfire risk) to develop a wildfire mitigation plan. Under the amended PUC Section 8387, all POUs must present a wildfire mitigation plan to their governing Board before January 1, 2020, and annually thereafter. PUC Section 8387(b)(2) specifies the topics that must be City of Corona Page 2 of 4 Printed on 6/9/2022
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addressed in the POU’s wildfire mitigation plans, which includes: (a) the responsibilities of the persons tasked with executing the plan; (b) a description of the POU’s wildfire mitigation preventative strategies and programs; (c) a description of the metrics the POU will use to evaluate the wildfire mitigation plan’s performance and discussion of how those metrics informed the current wildfire mitigation plan; (d) protocols for disabling reclosers and de-energizing portions of the electrical system; and (e) identification, description, and prioritization of all wildfire risks within the POU’s service territory.
SB 901 requires that POUs must present their wildfire mitigation plan at an appropriately noticed public meeting open to public comments. The POU must also verify that the wildfire mitigation plan complies with all applicable rules, regulations, and standards.
In 2019, SB 1054 and SB 111 were enacted, resulting in significant additional reforms relating to wildfires. As part of these reforms, SB 111 created a new state agency called the California Wildfire Safety Advisory Board (WSAB). The WSAB will consist of seven members, five appointed by the Governor, one appointed by the Speaker of the Assembly, and one appointed by the Senate Rules Committee. The WSAB members must be selected from industry experts, academics, and individuals with labor and workforce safety experience. At least three members must be experienced in safe operation, design, and electrical infrastructure engineering. SB 1054 requires that all POUs submit their wildfire mitigation plans to the WSAB by July 1st of each year, starting in 2020. The WSAB will then review the POU plans and provide comments and advisory opinions on the content and sufficiency of the plans.
UD has prepared and reviewed the 2022 Wildfire Mitigation Plan and concluded that the plan meets all the required criteria as provided in PUC Section 8387. UD’s majority electric distribution system is located underground in conduits and vaults. The undergrounding of electrical infrastructure is an effective mitigation measure to reduce wildfire and eliminate possible ignition sources that are caused by powerlines.
The Corona Fire Department (CFD) has reviewed the UD’s electric system in relation to the CPUC’s Fire Threat Map and determined that there are no overhead electric lines or equipment located in any areas designated as either Tier 2 (elevated risk) or Tier 3 (extreme risk). CFD staff has also reviewed historical fire data and local conditions. Based on this review, CFD staff concluded the UD’s overhead electric lines and equipment do not pose a significant wildfire risk.
UD presents the 2022 plan, with minimal changes from the 2021 plan as adopted, and has made the plan available on the City’s Utilities Department website. Staff’s recommendation is for the City Council to adopt Resolution No. 2022-063 adopting the Utilities Department 2022 Wildfire Mitigation Plan as required by California state law pursuant to SB 901.
The Utilities Department will submit the adopted 2022 Wildfire Mitigation Plan to the California Wildfire Safety Advisory Board before July 1, 2022.
FINANCIAL IMPACT:
There is no fiscal impact as a result of the recommended actions.
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File #: 22-0524
ENVIRONMENTAL ANALYSIS:
This action is exempt pursuant to Section 15061(b)(3) of the Guidelines for the California Environmental Quality Act (CEQA), which states that a project is exempt from CEQA if the activity is covered by the general rule that CEQA applies only to projects that have the potential for causing a significant effect on the environment. Where it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment, the activity is not subject to CEQA. This action approves a plan for the implementation of preventive strategies and mitigation measures to minimize the risk of wildfires caused by electrical lines and equipment. There is no possibility that adopting the Wildfire Mitigation Plan will have a significant effect on the environment. Therefore, the item is exempt from CEQA.
PREPARED BY: AFTAB HUSSAIN, MAINTENANCE MANAGER
REVIEWED BY: TOM MOODY, DIRECTOR OF UTILITIES
Attachment:
1. Exhibit 1 - Resolution No. 2022-063
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