Case Study: Pacific Gas & Electric Company San Francisco - - PowerPoint PPT Presentation

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Case Study: Pacific Gas & Electric Company San Francisco - - PowerPoint PPT Presentation

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1 Case Study: Pacific Gas & Electric Company San Francisco Lifelines Council Edwards Salas Senior Vice President, Engineering and Operations, PG&E February, 4, 2010 2 Todays Presentation from PG&E Coordinate with the

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Case Study: Pacific Gas & Electric Company

San Francisco Lifelines Council

Edwards Salas

Senior Vice President, Engineering and Operations, PG&E February, 4, 2010

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Today’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 Lifelines 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 Served

PG&E Facts Regarding Customers Served in California

  • 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 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 Standards

  • Federal Energy Regulatory Commission (FERC)
  • Nuclear Regulator Commission (NRC)
  • CPUC General Orders
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Design Standards (Examples)

  • Department of Transportation (DOT)
  • 2007 California Building Code
  • Existing Building Retrofit Standards and Compliance
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Seismic 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

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Moss Landing 500kV Switchyard Damage to Live Tank Circuit Breakers 1989 Loma Prieta Earthquake

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Improving PG&E’s System Performance

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

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PG&E Seismic Investments (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 Performance

Iso-Base Vacaville Grid Control Center

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Post-Earthquake Emergency Response and Restoration Management and Coordination

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

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Post-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 Response 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)

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Lifelines Comparison—Dependencies

What are PG&E’s Dependencies?

  • Communications
  • Transportation
  • Public Safety
  • Emergency Medical Services

Who’s Dependent on PG&E?

  • All other utilities
  • All 18 Emergency Support Functions

(includes most city and county services)

  • Businesses
  • Residences
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Service 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

  • f the larger network after a major event.
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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 Answers

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Thank You