HIAD events | Clean Hydrogen Knowledge Hub

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Displaying 31 - 40 of 1236

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12/09/2025
India

Small fire in the desulphurisation unit of a refinery

Event ID: 1228
Quality: 2
Application: Petrochemical industry
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: 31/10/2025

05/09/2025
Japan

Crash of a truck carrying hydrogen cylinders

Event ID: 1227
Quality: 2
Application: Hydrogen transport and distribution
Component involved: valve (generic)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 31/10/2025

17/10/2025
South Korea

Pipe explosion at a hydrogen production unit in a refinery

Event ID: 1226
Quality: 3
Application: Petrochemical industry
Component involved: flange (generic)
Hydrogen supply chain stage: Hydrogen production
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 31/10/2025

03/09/2022
United States

Hydrogen leak delaying launch of a space rocket

Event ID: 1225
Quality: 5
Application: Non-road vehicles
Component involved: cryogenic connection
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: 31/10/2025

01/11/2011
United States

rupture LH2 tank

Event ID: 1224
Quality: 5
Application: Non-road vehicles
Component involved: cryogenic insulation shell
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: near miss
Classification of the physical effects: No Hydrogen Release
Date entry in HIAD: 11/12/2024

30/05/1990
United States

LH2 leak when fuelling a rocket tank

Event ID: 1223
Quality: 4
Application: Non-road vehicles
Component involved: flange (generic)
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: 31/10/2025

11/08/2025
United States

Coke oven gas explosion at a steel plant

Event ID: 1222
Quality: 4
Application: Chemical industry
Component involved: valve (shut-off)
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: 30/09/2025

08/01/2025
France

small fire on an ammonia processing unit

Event ID: 1221
Quality: 2
Application: Chemical industry
Component involved: PRD (generic)
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: 30/09/2025

09/01/2025
France

LH2 release during transfer at an aerospace company

Event ID: 1220
Quality: 4
Application: Hydrogen transport and distribution
Component involved: valve (generic)
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: 30/09/2025

02/03/2025
France

Explosion in a workshop handling sodium residues

Event ID: 1219
Quality: 3
Application: Chemical industry
Component involved: reactor / oven / furnace / test chamber
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: 30/09/2025