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Clean Hydrogen Partnership

Leakage at a hydrogen buses refilling station

Event

Event ID
1062
Quality
Description
This event occurred at a depot site with 20 fuel cell buses are operated by a local bus company. A hissing sound was heard coming from a hydrogen tank at the refuelling facility, and the local fire department was alerted.
After roughly two hours, the firefighters were able to stop the leak by closing the valve on the stationary hydrogen tank system on the premises. This temporarily solved the problem, and local buses were able to resume their service, but were not able refill their H2 cylinders.
Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
Leak No Ignition (No additional details provided)
Macro-region
Europe
Country
Netherlands
Date
Main component involved?
Cgh2 Storage Vessel
How was it involved?
Leak
Initiating cause
Unknown
Root causes
Unknown (No additional details provided)

Facility

Application
Hydrogen Refuelling Station
Sub-application
HRS
Hydrogen supply chain stage
Hydrogen Storage (No additional details provided)
All components affected
hydrogen storage
Location type
Open
Operational condition
Pre-event occurrences
The hydrogen reufelling station had been inaugurated in 2021. iIt had two dispensers for refuelling two busses atthe same time in 10 minutes.

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0
Environmental damage
0
Property loss (onsite)
0
Property loss (offsite)
0
Post-event summary
The event caused delays to the public transportation service.

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
No ignition

References

Reference & weblink

Online news of allesoverwaterstof.nl<br />
https://allesoverwaterstof.nl/brandweer-heeft-waterstoflekkage-in-qbuzz… />
(Assessed ctober 2025)

JRC assessment

Sources categories
News