Failure Event - Sweden, Gothenburg, Vastra Frolunda - 26 Apr 2023

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Event DetailsSMW-Info-button.png
Location: Sweden, Gothenburg, Vastra Frolunda
Capacity (MW):
Capacity (MWh): 0.9
Battery Module:
Installation: Indoor
Enclosure Type: Container
Event Date: 26 April 2023
System Age (yr): 0
Extent of Damage: Explosion
State During Accident: Pre-commissioning
Description: The container was on wheels and was moved from indoors to outdoors when smoke was seen. A cutting extinguisher was used to cool the battery, but several minutes later an explosion occurred. The nearby community was directed to stay indoors and an adjacent building was evacuated during fire fighting activities. Fire propagation to the adjacent building was limited by water from jet pipes and water cannons. The fire was extinguished, but the batteries began smoking again the next day. The battery container was submerged by crane in water in a larger container.
Root Cause: Integration, Construction, or Assembly
Failed Element: Balance of plant
Source: Battery Energy Storage Container Fire Report (English translation)
Additional Resources: SVT NYHETER
Battery Energy Storage Container Fire Report (Original Document, Swedish)
Note: Missing values in this table reflect unknowns.

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