Failure Event - US, AZ, Peoria - 1 Oct 2025
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Overview
Event Details
| |
|---|---|
| Location: | US, AZ, Peoria |
| Capacity (MW): | 25 |
| Capacity (MWh): | 100 |
| Battery Module: | NMC |
| Integrator: | Tesla |
| Application: | Peak shaving |
| Installation: | Substation |
| Enclosure Type: | Container |
| Event Date: | 1 October 2025 |
| System Age (yr): | 4 |
| Extent of Damage: | |
| State During Accident: | Operational |
| Description: | A fire occurred in a Megapack at the Bolster Substation Battery. Firefighters cooled adjacent Megapacks with water, and the fire was allowed to burn out under controlled conditions. No outages were associated with the incident. |
| Root Cause: | |
| Failed Element: | |
| Source: | AZ Family |
| Additional Resources: | T&D World |
- Note: Missing values in this table reflect unknowns.
If you have any details or corrections you would like to contribute to the database please reach out to our Storage Safety email.