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

Riley Weinmann, Eduardo Cotilla-Sanchez and Ted K. A. Brekken
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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

Energies, 2022, vol. 15, issue 24, 1-17

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.

Keywords: earthquake; resilience; Western Electricity Coordinating Council (WECC) (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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