HIAD events | Clean Hydrogen Knowledge Hub

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21/08/2008
United States

Fire on a hydrogen compressor

Event ID: 731
Quality: 2
Application: Hydrogen refuelling station
Component involved: compressor / booster / pump (pipe)
Hydrogen supply chain stage: Hydrogen compression
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 30/04/2026

30/07/1998
Japan

Fire in a desulphurisation unit of a refinery

Event ID: 730
Quality: 3
Application: Petrochemical industry
Component involved: valve (gasket)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

11/03/2011
Japan

Fukushima Daiichi accident

Event ID: 729
Quality: 5
Application: Power plant
Component involved: other
Hydrogen supply chain stage: Unintended hydrogen production - chemical reaction
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 30/04/2026

01/11/2001
Japan

Piping failure at a nuclear power plant due to hydrogen explosion

Event ID: 728
Quality: 5
Application: Power plant
Component involved: heat exchanger (generic)
Hydrogen supply chain stage: Unintended hydrogen production - radiolysis
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020

26/03/2009
United States

L2 leak during tanking

Event ID: 727
Quality: 3
Application: Hydrogen stationary storage
Component involved: venting system (line)
Hydrogen supply chain stage: Hydrogen transfer
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 30/03/2026

13/04/1995
United States

Accidental production of hydrogen in an manufactory of electronics products

Event ID: 726
Quality: 3
Application: Electrical, electronics and micro-electronics industry
Component involved: reactor / oven / furnace / test chamber
Hydrogen supply chain stage: Unintended hydrogen production - chemical reaction
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2020

09/08/2003
United States

Release from hydrogen compressor of a hydrocracking unit

Event ID: 725
Quality: 2
Application: Petrochemical industry
Component involved: compressor / booster / pump
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: near miss
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2020

05/07/2010
United States

Malfunction of an oxygen generator on bord of the ISS

Event ID: 724
Quality: 5
Application: Non-road vehicles
Component involved: electrolytic cell
Hydrogen supply chain stage: Hydrogen production
Nature of the consequences: n.a.
Classification of the physical effects: n.a.
Date entry in HIAD: 30/04/2026

15/01/2002
United States

Explosion at the storage unit of a power plant

Event ID: 723
Quality: 5
Application: Power plant
Component involved: PRD (burst disc)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: explosion followed by a fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/08/2024

19/11/2004
United States

Fire when replacing a hydrogen cylinder

Event ID: 722
Quality: 2
Application: Laboratory / R&D
Component involved: valve (cylinder)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2020