Event
- Event ID
- 195
- Quality
- Description
- A hydrogen leak occurred in in the cooling system of electricity generation part of the in a nuclear power plant. .
- 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
- France
- Date
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
Facility
- Application
- Power Plant
- Sub-application
- Nuclear power plant
- Hydrogen supply chain stage
- All components affected
- cooling system, turbine - generator
- Location type
- Unknown
- Location description
- Industrial Area
- Operational condition
- Unknown (No additional details provided)
- Description of the facility/unit/process/substances
- DESCRIPTION OF THE ROLE OF HYDROGEN
Although not specified, in this incident, the hydrogen system involved is the cooling system of the power generator, which usually uses hydrogen as a coolant
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Emergency action
- 13:30 Hydrogen release started - The plant’s safety manager closed access to the area, had the other lorry drivers on the site cut off their ignitions, and commanded an evacuation.
The firefighters tested the air with an explosimeter and stopped the leak by closing the gate valve.
15:00 The firefighters left and the plant resumed normal operations.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- No ignition
References
- Reference & weblink
Event description no. 18497 of the French database ARIA
JRC assessment
- Sources categories
- ARIA
