HIAD events | Clean Hydrogen Knowledge Hub

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09/10/1991
United States

Rollover of a CGH2 trailer

Event ID: 238
Quality: 2
Application: Hydrogen transport and distribution
Component involved: CGH2 tube (trailer)
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: 25/10/2024

07/03/1977
United States

Fire on a generator of a power plant

Event ID: 237
Quality: 3
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

24/03/1975
United States

LH2 tractor road incident

Event ID: 236
Quality: 2
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
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: 20/01/2025

24/06/2005
Germany

Explosion in a chemical plant

Event ID: 235
Quality: 4
Application: Chemical industry
Component involved: chemical storage tank
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: 01/01/2024

24/09/1998
Germany

Explosion and fire in chemicals production plant

Event ID: 234
Quality: 4
Application: Chemical industry
Component involved: chemical storage tank
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: 01/01/2018

02/06/1991
United States

Leak from a CGH2 trailer

Event ID: 233
Quality: 3
Application: Hydrogen transport and distribution
Component involved: piping (pigtail)
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: 25/10/2024

11/10/1991
Ukraine

Fire at a generator of a power plant

Event ID: 232
Quality: 3
Application: Power plant
Component involved: H2 coolant system
Hydrogen supply chain stage: Hydrogen as feedstock
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/07/2024

30/03/2008
Russia

Fire at a generator of a power plant

Event ID: 231
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

28/03/2005
United States

Explosion in a waste management plant

Event ID: 230
Quality: 2
Application: Chemical industry
Component involved: hose (generic)
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

25/05/1992
United Kingdom

Explosion in a refinery

Event ID: 229
Quality: 4
Application: Petrochemical industry
Component involved: reactor / oven / furnace / test chamber
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