More than a year after the Eaton Fire devastated Altadena and surrounding communities, Los Angeles County investigators have reached a significant conclusion: Southern California Edison (SCE) equipment caused the fire.
On August 4, 2026, the Los Angeles County Fire Department’s Arson and Fire Investigation Unit, working with Cal Fire, released its final origin-and-cause report. After an extensive investigation that included electrical and metallurgical analysis, along with photographic and video evidence, investigators concluded that the fire began when electrical arcing occurred on an out-of-service SCE transmission tower in Eaton Canyon.
According to the report, two separate arcing events ejected molten metal onto dry vegetation below. Investigators determined that the vegetation ignited approximately 12 seconds after the burning material fell from the tower. Driven by powerful Santa Ana winds, the fire rapidly spread through Eaton Canyon, Altadena, Pasadena, Sierra Madre, and La Cañada Flintridge.
LA County Fire Chief Anthony C. Marrone acknowledged the significance of the findings while recognizing the profound loss suffered by the community: “I recognize that no report or investigation into the Eaton Fire can ease the deep pain and tragedy our residents have endured. While the cause has been determined, our focus remains on assisting our residents to rebuild their homes and livelihoods, and ensuring lessons learned drive meaningful and impactful change in memory of the 19 lives lost.”
The fire ignited on January 7, 2025. It claimed at least 19 lives, destroyed or damaged more than 9,000 homes and businesses, burned approximately 22 square miles, and took more than a month to completely extinguish.
What This Means for Your Case
It is important to note that while the report establishes the cause of the Eaton Fire, it is not a verdict on liability. It does not determine compensation amounts or resolve any individual claims. What it does is validate what we have argued on your behalf from the start: that SCE’s equipment caused the Eaton Fire.
Historically, findings like this have played an important role in wildfire litigation. In previous wildfire cases, fire-origin-and-cause investigation reports from public agencies have had a significant impact on the course of litigation and settlement negotiations. For example, in the 2018 Camp Fire, Cal Fire’s findings that PG&E’s utility equipment caused the fire were pivotal. They preceded PG&E’s guilty plea in the Camp Fire criminal case by just one month and shaped the scope of the civil settlements that followed.
The report also help lays out a roadmap of evidence that our experts can now follow, and, by establishing how the fire started, it narrows one of the key issues that could otherwise be disputed at trial and supports two primary legal theories that plaintiffs are pursuing: negligence and inverse condemnation.
Unlike negligence, inverse condemnation does not require proof that SCE acted unreasonably. Instead, it allows a utility to be held responsible for property damages if its equipment was a substantial cause of the fire. This report does not automatically establish liability or negligence. It does validate our clients’ position and adds pressure on SCE to resolve the pending litigation.
If you have questions about how this report affects your claim, or if you were affected by the Eaton Fire and have not yet made a claim, we’re here to help. Contact our team for a free consultation today.
The full report can be read here: https://file.lacounty.gov/SDSInter/lac/1214310_EatonArsonInvestigationReportFinal8.3.26redacted.pdf