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Clean Hydrogen Partnership

Explosion on a hydrogen cylinder

Event

Event ID
1242
Quality
Description

The event occurred at a gas cylinder manufacturing site. An explosion caused by a hydrogen cylinder injured a worker. Nothing is known on the sequence except ‘a loud bang’ reported by online news.

Event Initiating system
Classification of the physical effects
Hydrogen Release and Ignition
Nature of the consequences
Macro-region
Europe
Country
United Kingdom
Date
Component involved
CGH2 cylinder(s)
Failure mode
rupture & ignition
Initiating cause
unknown
Root causes
Unknown
Date entry in HIAD
25/12/2025

Facility

Application
Hydrogen production
Sub-application
CGH2 cylinders
Hydrogen supply chain stage
All components affected

cylinder

Process temperature range [C]
ambient temperature (-50°C to +50°C)
Process pressure range [MPa]
medium to high pressure (10 to 50 MPa)
Location type
Confined
Location
industrial area
Operational condition
UNKNOWN

Emergency & Consequences

Number of fatalities
0
Number of injured persons
1
Post-event summary

A worker suffered burns, which were treated by the ambulance.

In-depth data

Release temperature [°C]
25
Probable IGNITION SOURCE
Explosion type

References

Sources categories
News
Reference & weblink

Online news by ISSSource:
https://www.isssource.com/worker-injured-after-hydrogen-exposure/
(accessed October 2025)

Online news by Nottigham Post:
https://www.nottinghampost.com/news/local-news/reports-loud-bang-man-su…
(accessed October 2025)