Difference between revisions of "Failure Event - US, AZ, Surprise - 19 Apr 2019"
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|Has Enclosure Type=Prefab | |Has Enclosure Type=Prefab | ||
|Has Event Date=04/19/2019 | |Has Event Date=04/19/2019 | ||
|Has System Age (yr)=2. | |Has System Age (yr)=2.1 | ||
|Has Extent of Damage=Explosion | |Has Extent of Damage=Explosion | ||
|Has State During Accident= | |Has State During Accident= | ||
|Has Event Description= | |Has Event Description=The cause was found to be an internal cell defect, which initiated a cascading thermal runaway event. Alarms and the clean agent fire suppression system activated but was not capable of preventing or stopping cascading thermal runaway in a BESS. Three hours after thermal runaway was intiated, firefighters opened a door to the battery container, agitating accumulated flammable gases and allowing the gases to contact a heat source or spark. Minutes later, an explosion occurred, injuring several firefighters. | ||
|Has Source=[https:// | |Has Source=[https://epri.box.com/s/eapg9tmt5bize3yqjb0wmz1rj5z07b9i APS Investigation Report] | ||
|Has Additional Resources= | |Has Additional Resources= | ||
|Has Failure Event Category=ESS | |Has Failure Event Category=ESS |
Latest revision as of 12:38, 10 April 2024
Overview
Event Details | |
---|---|
Location: | US, AZ, Surprise |
Capacity (MW): | 2 |
Capacity (MWh): | 2 |
Battery Module: | LG Chem [NMC] |
Integrator: | AES/Fluence |
Application: | Volt Reg., PQ, Solar int. |
Installation: | Substation |
Enclosure Type: | Prefab |
Event Date: | 19 April 2019 |
System Age (yr): | 2.1 |
Extent of Damage: | Explosion |
State During Accident: | |
Description: | The cause was found to be an internal cell defect, which initiated a cascading thermal runaway event. Alarms and the clean agent fire suppression system activated but was not capable of preventing or stopping cascading thermal runaway in a BESS. Three hours after thermal runaway was intiated, firefighters opened a door to the battery container, agitating accumulated flammable gases and allowing the gases to contact a heat source or spark. Minutes later, an explosion occurred, injuring several firefighters. |
Source: | APS Investigation Report |
Additional Resources: |
- Note: Missing values in this table reflect unknowns.
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