SCE’s 2020 -2022 Wildfir dfire Mitiga gation on Plan SCE’s 2020 -2022 Wildfir dfire Mitiga gation on Plan CPUC Informational Workshop Assembly Utilities and Energy Committee February 18, 2020 March 4, 2020
Overview Wildfire Mitigation Plan (WMP) Objectives ▪ 2019 WMP Accomplishments ▪ 2020-2022 WMP Strategy & Programs ▪ Maturity Model Self Assessment ▪ 2020-2022 WMP Cost Forecast ▪ 2
Wildfire Mitigati tion Plan Objecti tives SCE is dedicated to the safety of the communities we serve ▪ The primary objective of SCE’s WMP is to protect public safety ▪ SCE’s second comprehensive WMP ❖ Covers years 2020-2022 ❖ Builds on 2019 plan accomplishments and lessons learned ❖ Retains foundational strategy for wildfire mitigation, and ❖ Is a natural extension and refinement of our 2019 WMP and 2021 GRC filing ▪ Our WMP includes an actionable , measurable , and adaptive plan to: ❖ Reduce the risk of potential wildfire causing ignitions associated with SCE’s electrical infrastructure in High Fire Risk Areas ❖ Reduce the impact of PSPS to our customers and communities ❖ Incorporate risk analysis to guide planning and prioritization ❖ Improve coordination between utility, state, and local emergency management personnel ❖ Advance new technologies and data analytics capabilities ❖ Effectively engage the public about how to prepare for, prevent, and mitigate wildfires 3
SCE has made significant t progress in 2019 to reduce wildfire risks and to enhance community ty engagement Conducted over 350 meetings and presentations with local government, Community Meetings tribal officials, community organizations, & general public Conducted over 91 HD Cameras Installed 372 129,485 tree Community Meetings 350 meetings and Enhanced Veg Mgmt installed circuit miles of specific threat Covered Conductor presentations with covered Installed 1,421 assessments local government, Total of 161 Composite Poles conductor Fire-Resistant completed tribal officials, cameras installed HD Cameras Poles community providing 90% Total of 523 circuit 5,917 Hazard organizations, & coverage of SCE’s miles installed Trees removed general public HFRA Branch Line Protection 7,765 Current Install Sectionalizing 100% of Installed 357 Installed and Enhanced Overhead Inspected and Limiting Fuse Distribution & weather stations commissioned 55 Weather Stations locations installed cleared brush Transmission additional around 159,485 structures Pole Brushing Total of 482 sectionalizing Over 10,000 fuse poles inspected in high weather stations Inspections devices locations installed fire risk area installed Devices 4
2020 2020-20 2022 22 Wildfire Mitigati tion Strategy & Programs 5. Vegetation 1. Risk 9. Emergency Management Assessment Preparedness 3. System 7. Data Hardening Governance 10. Stakeholder 6. Grid 2. Situational Cooperation & Operations & Awareness Community Protocols Engagement 8. Resource 4. Inspections Allocation 5 SCE’s 2020 -2022 WMP Programs are further described in Tables 21-30.
1. Risk Assessment t and Mapping Risk Assessment SCE’s wildfire risk model continues to evolve to more granular and accurate representation of fire risk (probability of ignition & consequence) SMAP / 2019 GSRP 2021 GRC 2020 WMP RAMP WMP • Fault-to-Fire Mapping • Bowtie (Drivers, Outcomes, • Wildfire Risk Model • Ignition Analysis for and Consequences) Development Distribution and Transmission • Mitigation-to-Fault Mapping – Probability of Ignition • Enhanced Multi-Mitigation • Mitigation Effectiveness / Cost – Fire Propagation (Reax) Assessments – Fire Consequence (Reax+) Mitigation Ratios • RSE Calculation • High Fire Risk Area (HFRA) Enhancements Definition – Asset Useful Life – Discount Rates • Probabilistic Modeling – Annual/Incremental RSE • Multi Attribute Risk Score • Evolving Fire Propagation (MARS) Modeling (i.e., Technosylva) • Risk Prioritization at a Circuit • Mitigation Risk Spend and Segment Level Efficiency (RSE) Sept 2018 Nov 2018 Feb 2019 Aug 2019 Feb 2020 6
2. Situati tional Awareness and Forecasti ting Situational Awareness Weather Station Deploy 375-475 weather stations per year ▪ Improve Weather Modeling through: ▪ ❖ Installation of additional weather stations Installation of 2 nd High Performance Computing Cluster in 2020 and a 3 rd after 2021 ❖ Performing updated fuel sampling in HFRA areas every two weeks (weather permitting) Improve PSPS Operations through: ▪ HD Camera ❖ Installation of additional weather stations ❖ Fire Potential Index Enhancements ❖ Deployment of Technosylva’s FireCast& FireSim ❖ Continuation of Pre & Post patrols Detect and prevent potential faults that ▪ Weather Models could cause ignitions through: ❖ Distribution Fault Anticipation ❖ Early Fault Detection ❖ Open Phase Detection 7
3. Grid Design and System Hardening (1/2) System Hardening ▪ Ramp up covered conductor Covered Conductor deployment efforts – install at least 700 circuit miles in 2020 ▪ Aggressive plan to deploy up to 4,500 circuit miles of covered conductor by end of 2022 Wildfire Risk Reduction Modeling Capability Targeted undergrounding evaluation ▪ Targeted undergrounding evaluation ▪ Continue to target deployment in the highest risk and PSPS- impacted areas based on risk- informed analysis 8
3. Grid Design and System Hardening (2/2) System Hardening Post Fire Event Remote Controller for Other infrastructure ▪ Wood vs. Composite Poles RAR with Fast-Curve hardening efforts in HFRA: ❖ Composite poles and fire- resistant wraps ❖ Fast-acting fuses ❖ Remote controlled sectionalizing devices ❖ Circuit breaker relay for fast curve Wildfire Risk Reduction Modeling Capability Advancing various detection ▪ and sensing technologies ❖ Deploy Rapid Earth Fault Current Limiter (REFCL) pilots Fast-acting Fuses ❖ Open Phase down wire detection ❖ Assess Distribution Fault Anticipation performance 9
4. Asset Management and Inspecti tions Inspections Sensor Technologies Utilize both ground and aerial inspections to ▪ obtain 360 ° views of structures and equipment ❖ Lessons learned from crossarm failure in 2019 Aerial inspections on 165,000 distribution and ▪ 33,500 transmission structures Deploy various sensors and collect data ( infrared , ▪ corona scanning , LiDAR and HD Aerial Inspections images/videos ) ❖ Leverage Unmanned Aerial Systems ▪ Redesigned inspection program to perform more frequent inspections of higher risk structures ( 105,000 distribution & 22,500 Ground Inspections transmission structures) Leverage detection technologies using artificial ▪ intelligence and machine learning to complement manual inspections 10
5. Vegetati tion Management t and Inspecti tions Vegetation Management ▪ Continue & expand key programs: Expand brush clearance to 200,000-300,000 poles annually ❖ Hazard Tree Management Program (HTMP) to assess 75,000 trees annually and timely ❖ mitigations Continue Drought Relieve Initiative (DRI) inspections and timely mitigations ❖ Risk-based HFRA vegetation management quality control inspections ❖ ▪ Integrated vegetation management platform to improve work planning, scheduling, notification, and reporting ▪ 2019 Lessons learned and challenges: ❖ Resource shortage for qualified trimmers ❖ Support from property owners and agencies 11
6. Grid Operati tions and Protocols Grid Ops & Protocols SCE expects to reduce the scope and impact of PSPS, however, PSPS will continue to remain available for extreme conditions in the long term Rapidly developing circuit-specific plans to Switching Playbooks reduce the impacts observed in 2019 by: ❖ Leveraging existing isolation equipment ❖ Targeting remediations Targeted Grid ❖ Identifying small upgrades to reduce the Hardening Multi-Prong number of customers impacted by PSPS approach to ❖ Deploying more weather stations Engineering & System mitigate ❖ Pursuing microgrid opportunities when Evaluation impacts of technologically and economically feasible PSPS ❖ Establishing Community Resource Centers Microgrids & ❖ Deploying Community Crew Vehicles Resiliency Zones ❖ Providing potable water ❖ Addressing food spoilage claims Customer Care ❖ Conducting community outreach 12
Emergency 7. Emergency Planning and Preparedness Preparedness SCE’s emergency preparedness and response plans consider numerous hazards that potentially impact SCE’s service territory and/or the electric grid Customer Engagement Emergency Response & Education Training ▪ ▪ ▪ Provide customers with Send letters to customers in Continue training ~540 important and consistent HFRA in non-HFRA with existing and new SCE IMT messaging information about PSPS, members on de-energization emergency preparedness, protocols ▪ Participate in statewide and SCE’s wildfire mitigation ▪ multichannel and multi- plan to customers in HFRA Determine additional staffing lingual media campaign needs and train, exercise and ▪ Host 8-12 community qualify new staff meetings in areas impacted by 2019 PSPS 13
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