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1 RiversideCA.gov
1 RiversideCA.gov
WILDFIRE MITIGATION PLAN 2024
City Council
June 18, 2024
Riverside Public Utilities
RiversideCA.gov
2 Public Utilities Code Section 8387 :
1. Every electric utility in California is required to construct, maintain, and operate their electrical system in a manner that minimizes the risk of wildfire
2. All utilities are required to prepare a Wildfire Mitigation Plan (WMP) and update the plan annually
a. Content is specified and prescriptive – WMP is a compliance document b. An independent evaluator with experience in assessing the safe operation of electrical infrastructure must review the WMP (every three years) c. WMP and the independent evaluator report (when applicable) must be presented at a public meeting of the utility’s governing board
d. Reports must be posted on the utility’s website
e. Reports must be submitted to the State’s Wildfire Safety Advisory Board
BACKGROUND
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3 Identifies and addresses the following:
1. High Fire Threat Districts (HFTD) in
RPU Service Territory
2. RPU electric infrastructure located
within the HFTD
3. Assessment of fire risk posed by
electric infrastructure
4. Preventative strategies to reduce
risk
5. Customer support and
communications in the event of a
de-energization
6. Metrics and assessment
WILDFIRE MITIGATION PLAN
RiversideCA.gov
4 1. Identified by State
agencies and
stakeholder including
RPU and Riverside Fire
2. Fire Threat Districts
a. Tier 2: Areas with
elevated wildfire risk
b. Tier 3: Areas with
extreme wildfire risk
(typically undeveloped
natural lands)
HIGH FIRE THREAT DISTRICTS (HFTD)
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5 RPU INFRASTRUCTURE IN HFTD
Tier 3 OHTier 2Total
%Circuit-Miles%Circuit-MilesCircuit-Miles
0.7%3.57.5%38.3512.6Overhead Distribution
0.4%0.411.2%11.199.3Overhead Transmission*
0.6%3.98.1%49.4611.9Total Overhead Circuit-Miles
*
*Note: Southern California Edison owns and operates seven sub-transmission lines extending from SCE’s Vista Substation. These lines comprise 22 miles of overhead transmission that feed into RPU and are not included in the table. RPU takes ownership of these lines at the boundary of its service territory. Lines in RPU territory are included in the overhead sub-transmission of the table.
RiversideCA.gov
6 PREVENTATIVE STRATEGIES
Design &
Construction
Standards
• Materials Used
• Equipment
Standards
Inspections &
Maintenance
• Vegetation
Management
•E q u i p m e n t
Inspection
Operational
Policies
•R e c l o s i n g
•D e -
Energization
Situational
Awareness
• Weather
Monitoring
• Cameras
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7 1. RPU had no reportable wildfire incidents in 2023
2. System and Operational Improvements
a. Continued to update older substation automation equipment b. Installed new weather station and integrated data with existing stations to provide real-time weather information to system operators c. Developed new inspection plan
3. Continued close collaboration with the Riverside Fire Department
2023 PERFORMANCE
RiversideCA.gov
8 1. Submit the 2024 WMP to the Wildfire Safety Advisory Board upon approval from City Council
2. Continue to track, improve, and refine preventative
strategies and metrics
3. Update the plan for 2025, as applicable
NEXT STEPS
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9 Strategic Priority 4 - Environmental Stewardship
Strategic Priority 6 - Infrastructure, Mobility and Connectivity Cross-Cutting Threads
STRATEGIC PLAN ALIGNMENT
RiversideCA.gov
10 RECOMMENDATION
That the City Council approve the Riverside Public
Utilities 2024 Wildfire Mitigation Plan for submittal to the Wildfire Safety Advisory Board in accordance with
California Public Utilities Code Section 8387.
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