S4 · 04/2019
~20:00 ·
Fluence · Surprise, AZ, USA
| Company | Fluence |
| Category | energy storage |
| Type | fire |
| Date | 04/2019 |
| Time of day | ~20:00 |
| Location | Surprise, AZ, USA · APS McMicken battery storage facility |
| Severity | S4 (serious injury, total loss, or grounding) |
| Scale | 1 site, 4 firefighters injured |
| Confidence | high |
| Verification | Yes - adversarially checked against the cited source |
| Source | Energy-Storage.News |
Fluence assembled and provided technology for the McMicken 2MW/2MWh BESS in Surprise, AZ (batteries supplied by LG Chem); thermal runaway and subsequent gas ignition when firefighters opened the container severely injured four firefighters.