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Toward Models of Impact and Recovery of the US Western Grid from Earthquake Events

Author

Listed:
  • Riley Weinmann

    (School of Electrical Engineering & Computer Science, Oregon State University, Corvallis, OR 97331, USA)

  • Eduardo Cotilla-Sanchez

    (School of Electrical Engineering & Computer Science, Oregon State University, Corvallis, OR 97331, USA)

  • Ted K. A. Brekken

    (School of Electrical Engineering & Computer Science, Oregon State University, Corvallis, OR 97331, USA)

Abstract

A Cascadia Subduction Zone (CSZ) earthquake will cause widespread damage to numerous lifelines and infrastructure along the northern US west coast. The goal of the presented research is to provide a bottom up estimate of the impact on and subsequent recovery of a Cascadia Subduction Zone earthquake on the US western grid to supplement and enhance the expert opinion estimates provided to date. The scope is limited to only consideration of shaking damage to utility substation equipment components of a power system model. The analysis utilizes probabilistic models of damage and recovery for substation power system assets, along with graph techniques for modeling connectivity, and Monte Carlo quasi steady state power flow solutions. The results show that a conservative estimate of the initial damage and loss of load is approximately 4000 MW, with a recovery estimate of 230 days.

Suggested Citation

  • Riley Weinmann & Eduardo Cotilla-Sanchez & Ted K. A. Brekken, 2022. "Toward Models of Impact and Recovery of the US Western Grid from Earthquake Events," Energies, MDPI, vol. 15(24), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9275-:d:996223
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    Cited by:

    1. Gang Zhou & Jianxun Shi & Bingjing Chen & Zhongyi Qi & Licheng Wang, 2023. "Risk Assessment of Power Supply Security Considering Optimal Load Shedding in Extreme Precipitation Scenarios," Energies, MDPI, vol. 16(18), pages 1-17, September.

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