Battery storage fire in electrical room at SeAH Besteel Gunsan Plant, South Korea

A fire broke out around midday in the electrical room of the SeAH Besteel Gunsan Plant, a steel manufacturing plant located in Sorong-dong, Gunsan-si, Jeollabuk-do (North Jeolla Province), South Korea, where a peak-shaving battery energy storage system was installed. Fire crews took approximately two hours to bring the blaze under control. Workers at the site evacuated as a precaution and no injuries were reported. The plant's electrical room, including equipment housed there, was damaged or destroyed by the fire. Authorities stated that the fire was believed to have originated in the battery storage system, though the precise technical cause had not been confirmed at the time of reporting. Police and fire investigators were examining the site to determine the exact origin and extent of the damage. No chemical leak or wider environmental impact was reported in connection with the incident.

Not reported beyond the fire being linked to the battery energy storage system installed in the plant's electrical room.

1. Co-locating battery energy storage systems within occupied industrial electrical rooms increases the potential for fire to spread to adjacent critical infrastructure and disrupt site operations.
2. Rapid and complete evacuation procedures, as demonstrated here, are effective at preventing injuries even when a battery fire escalates within an occupied facility.
3. Operators of behind-the-meter industrial battery storage systems should ensure regular inspection and independent verification of installation age and condition, since systems that have been in service for several years may be more susceptible to undetected degradation.

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