1 case study: pacific gas & electric company san francisco lifelines council edwards salas...

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Case Study: Pacific Gas & Electric Company San Francisco Lifelines Council

Edwards SalasSenior Vice President, Engineering and Operations, PG&E

February, 4, 2010

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Today’s Presentation from PG&EToday’s Presentation from PG&E

Coordinate with the Lifelines Council to:• Lifelines Partnership Opportunities

• Design System Standards

• Emergency Planning and Response Activities

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PG&E’s Coordination Goals with the PG&E’s Coordination Goals with the Lifelines CouncilLifelines Council

Coordinate with the Lifelines Council to:• Establish response and recovery priorities

• Facilitate Mutual Logistics Support

• Enhance Effective Communication

Formal acknowledgement that PG&E is a first responder organization

Identify restoration priorities regarding non-PG&E facilities for immediate electric/gas service

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System Map and Customers ServedSystem Map and Customers Served

PG&E Facts Regarding PG&E Facts Regarding Customers Served in Customers Served in CaliforniaCalifornia• 70,000 Square Miles

• 15 Million People Served

• 4.2 Million Gas Customers

• 5.1 Million Electric Customers

• 3,400 Buildings

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Earthquake Risk Management ProgramEarthquake Risk Management Program

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“Each utility shall withstand earthquakes to provide protection of life, limit damage to property, and provide for resumption of utility service in a reasonable and timely manner.” California Seismic Safety

Commission/CPUC Safety Branch

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Federal and State StandardsFederal and State Standards

• Federal Energy Regulatory Commission (FERC)

• Nuclear Regulator Commission (NRC)

• CPUC General Orders

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Design Standards (Examples)Design Standards (Examples)

• Department of Transportation (DOT)

• 2007 California Building Code

• Existing Building Retrofit Standards and Compliance

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Seismic Risk Management ApproachSeismic Risk Management Approach

• Evaluate Facilities and Operations

• Prioritize Selected Facilities for Mitigation

• Implement Mitigation

• Minimize Level of Earthquake Risk

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245 Market Street

11Moss Landing 500kV SwitchyardDamage to Live Tank Circuit Breakers1989 Loma Prieta Earthquake

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Improving PG&E’s System PerformanceImproving PG&E’s System Performance

Gas Pipeline Replacement Program (GPRP) Seismic Tests on Replacement Breakers

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PG&E Seismic Investments PG&E Seismic Investments (1985 to Present)(1985 to Present)

Facilities

• Buildings

• Electric Substations

• Dams and Related Hydro Facilities

• Power Plants

• Gas T&D

• Loma Prieta Repairs

TOTAL BUDGET $2.54 Billion (estimate)

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Improving PG&E’s System PerformanceImproving PG&E’s System Performance

Iso-Base Vacaville Grid Control Center

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Post-Earthquake Emergency Response Post-Earthquake Emergency Response and Restoration Management and and Restoration Management and CoordinationCoordination

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Post-Earthquake Response ScenariosPost-Earthquake Response Scenarios“Expected” and “Extreme” Earthquakes“Expected” and “Extreme” Earthquakes

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Post-Earthquake AssessmentPost-Earthquake Assessment

• Strong Motion Instrument Program

• Post-Earthquake Building Inspection

• Gas and Electric Emergency Response Programs

• GIS

• USGS Shake Maps

• Dam Information Automated Seismic Hazard Assessment

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PG&E’s Emergency Planning and PG&E’s Emergency Planning and Response ActivitiesResponse Activities

• Primary and Alternate Emergency Operations Centers

• ICS/NIMS Incident Management

• Formalized Business Continuity Program – alternate headquarters, “tech down” plans, disaster recovery and resource recovery plans

• Integrated Training and Exercises with Federal, State, and Regional Agencies Including CCSF SFFD and Department of Emergency Management (DEM)

• California Utility Emergency Association (CUEA)

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Emergency Operations Center (EOC)Emergency Operations Center (EOC)

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Lifelines Comparison—DependenciesLifelines Comparison—Dependencies

What are PG&E’s Dependencies?What are PG&E’s Dependencies?• CommunicationsCommunications

• TransportationTransportation

• Public SafetyPublic Safety

• Emergency Medical ServicesEmergency Medical Services

Who’s Dependent on PG&E?Who’s Dependent on PG&E?• All other utilitiesAll other utilities

• All 18 Emergency Support Functions All 18 Emergency Support Functions (includes most city and county services)(includes most city and county services)

• BusinessesBusinesses

• ResidencesResidences

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Service Area OverviewService Area Overview

• PG&E's gas and electric network is interconnected throughout our service area.

• Restoration of lifelines in the San Francisco Bay Area will be impacted by the condition and capacity of the larger network after a major event.

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So What Can Residents Expect?So What Can Residents Expect?

• Minimum of 72 hours electric service interruption in red and orange areas of the Shake maps.

• Longer electric service restoration times where underground utilities are subject to liquefaction.

• Potentially weeks and months of gas service interruption in red and orange areas of the shake maps.

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Questions and AnswersQuestions and Answers

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Thank You