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04.01.26 v3
1
Public
BEFORE THE OFFICE OF ENERGY INFRASTRUCTURE SAFETY OF THE
CALIFORNIA NATURAL RESOURCES AGENCY
DECLARATION SUPPORTING THE DESIGNATION OF
CONFIDENTIAL INFORMATION ON BEHALF OF
PACIFIC GAS AND ELECTRIC COMPANY
1. I, Heidi Ramos, am the Compliance Excellence Quality Control (“Compliance Excellence QC”)
Com
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04.01.26 v3
1
Public
BEFORE THE OFFICE OF ENERGY INFRASTRUCTURE SAFETY OF THE
CALIFORNIA NATURAL RESOURCES AGENCY
DECLARATION SUPPORTING THE DESIGNATION OF
CONFIDENTIAL INFORMATION ON BEHALF OF
PACIFIC GAS AND ELECTRIC COMPANY
1. I, Heidi Ramos, am the Compliance Excellence Quality Control (“Compliance Excellence QC”)
Com
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Effectiveness Outputs
Dynamic Interval Effectiveness
2015-2024
Covered Conductor 52.3%
Dynamic Interval Assessment: 2015-2024
WDRM V4 Subdriver Covered Conductor Effectiveness WDRM V4 SH ALL Risk Driver
Vegetation (Branch) 43% epss_outage_risk_dollarized_vegetation_branch
Vegetation (Trunk) 40% epss_outage_risk_dollarized_vegetation_trunk
Vegetation (o
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EPSS Risk Model
Internal
EPSS Model Overview 1/2
Likelihood (outage-minutes/year)
Consequence ($/outage-minute)
Incremental Sustained Outage Risk from EPSS enablement
Enabling EPSS increases outage risk to improve safety, by converting momentary outages into sustained outages, and by impacting more customers per outage.
Baseline Sustained Outage Risk
disabled
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Inputs
Version: ICE Calculator 2.0
Inputs to ICE Calculator 2.0
Reliability Inputs: Value Data Description
SAIFI 1 PG&E's 10 year system average (2014-2023)
SAIDI 132 PG&E's 10 year system average (2014-2023)
CAIDI 132 PG&E's 10 year system average (2014-2023)
Customer Category Number of Customers Data Description
Non-Residential 641,920 PG&E's Service Point
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OH Outage Risk Effectiveness
Individual Risks Aggregate Risk
EPSS PSPS Outage Risk (EPSS+PSPS)
Total Distribution Risks 1049 1294 2343
Mitigation Effectiveness 52% 0% 23%
_x000D_&1#&"Calibri"&10&K000000 Internal
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Utility Procedure: TD-1470P-01
Publication Date: 06/05/2025 Effective Date: 08/05/2025 Rev: 3
Enhanced Powerline Safety Settings (EPSS) Enablement Criteria
PG&E Internal ©2025 Pacific Gas and Electric Company. All rights reserved. Page 1 of 6
SUMMARY
This utility procedure describes the process for using risk-informed criteria to enable Enhanced
Powerline Safety Setting (E
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1
PACIFIC GAS AND ELECTRIC COMPANY
PG&E Ref. DRU17656-Case-EUP-SB 884
Data Request OEIS
Requester DR No. Energy Safety-DR-EUP-26-04 - Risk Model Discussion Follow-up
Requester: Lysak, Dmitriy
Request Date: May 27, 2026
Response Date: June 05, 2026
Background:
This Data Request pertains to the PG&E Risk Mo
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07.22.24 v1
Public
BEFORE THE OFFICE OF ENERGY INFRASTRUCTURE SAFETY OF THE
CALIFORNIA NATURAL RESOURCES AGENCY
DECLARATION SUPPORTING THE DESIGNATION OF
CONFIDENTIAL INFORMATION ON BEHALF OF
PACIFIC GAS AND ELECTRIC COMPANY
1. I, Heidi Ramos, am the Compliance Excellence Quality Control (“Compliance Excellence QC”) Compliance
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1
PACIFIC GAS AND ELECTRIC COMPANY
PG&E Ref. DRU17009-Case-EUP-SB 884
Data Request OEIS
Requester Event Ref. No.
Requester DR No. Energy Safety-DR EUP-26-01 Bow Tie Models and Mitigation
Effectiveness Studies
Requester: Khaikin, Sam
Request Date: January 21, 2026
Response Date: February 02, 2026
Questi
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