Systemic Drivers of Electric-Grid-Caused Catastrophic Wildfires: Implications for Resilience in the United States

Holly Eagleston (), Michelle Bester, Jubair Yusuf, Adit Damodaran and Matthew J. Reno
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Holly Eagleston: Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123, USA
Michelle Bester: Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123, USA
Jubair Yusuf: Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123, USA
Adit Damodaran: Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123, USA
Matthew J. Reno: Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123, USA

Challenges, 2025, vol. 16, issue 1, 1-19

Abstract: Wildfires are projected to increase in severity and frequency due to climate change, and the electric grid is both a cause of wildfires and is vulnerable to wildfires. Equipment from the electric grid accounts for 10% of fires burned in California and 3% of fires nationally. Recent catastrophic wildfires, such as the Lahaina Fire, Camp Fire, Marshall Fire, and Smokehouse Creek fires, were all started by electrical equipment and show how devastating these events can be because they threaten lives and structures. Vegetation structure, weather and winds, climate and vegetation response, land use, and human activities all impact the likelihood of severe wildfires. We explore the relationship between the built environment, electric grid infrastructure specifically, and its role in causing catastrophic wildfires to find lessons learned for increasing resilience. Electric grid utility companies currently employ multiple methods to mitigate fire, including (1) early detection, (2) grid hardening, (3) vegetation management, and (4) pre-emptive shutoffs. Utility companies need to consider the conditions for wildfire and the impact that each mitigation strategy has on drivers of wildfire behavior, as a single solution will not be adequate. Utility companies need to work with stakeholders to develop a holistic strategy to reduce ignition likelihood and spread likelihood to reduce catastrophic wildfires and improve resiliency.

Keywords: wildfire; electric grid; ignition causes; wildfire prevention (search for similar items in EconPapers)
JEL-codes: A00 C00 Z00 (search for similar items in EconPapers)
Date: 2025
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