On December 27, 2024, a hydrogen leak occurred at a refueling station in Hoedong-dong, Busan, South Korea. The leak led to a fire, which was extinguished within approximately 50 minutes. Initial reports described the incident as an explosion due to a loud noise and vibrations felt in nearby buildings; however, subsequent investigations clarified that it was a fire that resulted from a hydrogen leak caused by the activation of a safety valve, not an explosion. No casualties were reported.
Date
Location
Industry
Substance
Cause
The incident was caused by a hydrogen leak resulting from the activation of a safety valve. The exact cause of ignition remains unknown.
Consequence
- Fire at the hydrogen refueling station, leading to temporary closure and inspection of the facility.
- No injuries or fatalities reported.
Injuries
None reported.
Fatalities
None reported.
Lessons Learned
Although these lessons haven’t been raised from an official investigation report, the following lessons can be taken on-board from the incident:
- Equipment Maintenance: Regular inspection and maintenance of safety valves and other critical components are essential to prevent unintended activations and leaks.
- Emergency Response Preparedness: Establishing and practicing comprehensive emergency response plans can ensure swift action to mitigate incidents and protect personnel and property.
Sources / References
- https://www.hydrogeninsight.com/transport/safety-concerns-grow-after-two-explosions-at-south-korean-hydrogen-filling-stations-in-same-week/2-1-1759496
Firefighters outside the machine room at the Busan hydrogen refuelling station following the fire on 27 December.Â
Image Source: Busan fire department via Hydrogen Insights.
Analysis
At approximately 11:10 AM on December 27, 2024, a hydrogen leak occurred at a refueling station in Hoedong-dong, Busan. The leak led to a fire, which was extinguished within about 50 minutes. Initial reports described the incident as an explosion due to a loud noise and vibrations felt in nearby buildings; however, subsequent investigations clarified that it was a fire that resulted from a hydrogen leak caused by the activation of a safety valve, not an explosion. No casualties were reported.