HIAD events | Clean Hydrogen Knowledge Hub

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15/04/2000
United States

Fire on a liquid hydrogen tanker

Event ID: 156
Quality: 3
Application: Hydrogen transport and distribution
Component involved: PRD (valve)
Hydrogen supply chain stage: Hydrogen transfer
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 19/09/2024

23/06/1974
United States

Manual venting from a LH2 tanker in transit

Event ID: 155
Quality: 2
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: near miss
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

20/10/2006
United States

Release and ignition when starting operation of a new hydrogen line

Event ID: 154
Quality: 3
Application: Hydrogen transport and distribution
Component involved: pipeline (generic)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/06/2024

14/07/2003
United States

Hydrogen venting from LH2 tanker due to overpressure

Event ID: 153
Quality: 2
Application: Hydrogen transport and distribution
Component involved: PRD (burst disc)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 02/02/2025

18/02/2001
United States

Fire at a generator of a power plant

Event ID: 152
Quality: 2
Application: Power plant
Component involved: H2 coolant system
Hydrogen supply chain stage: Hydrogen as coolant
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/02/2009

13/01/2004
France

Fire at a chlorine electrolyser plant

Event ID: 151
Quality: 5
Application: Chemical industry
Component involved: electrolytic cell
Hydrogen supply chain stage: hydrogen as by-product
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2021

14/01/2005
United States

Fire in a refinery

Event ID: 150
Quality: 3
Application: Petrochemical industry
Component involved: heat exchanger (pipe)
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: 28/02/2009

07/01/1974
United States

Manual venting from a LH2 tanker in transit

Event ID: 149
Quality: 2
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: near miss
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

12/11/2003
United States

Explosion in an aluminium workshop

Event ID: 148
Quality: 2
Application: Steel and metals industry
Component involved: unknown
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: 28/02/2009

03/04/2002
United States

Explosion at a metallurgic heat treatment plant

Event ID: 146
Quality: 2
Application: Steel and metals industry
Component involved: unknown
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/02/2009