HIAD events | Clean Hydrogen Knowledge Hub

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19/08/2022
United States

Fire in a fired heater of an ethylene plant

Event ID: 1169
Quality: 4
Application: Chemical industry
Component involved: heat exchanger (pipe)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: explosion followed by a fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/04/2025

15/02/2021
United States

Fire in a fired heater of an ethylene plant

Event ID: 1168
Quality: 4
Application: Chemical industry
Component involved: heat exchanger (pipe)
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: 01/04/2025

15/02/2021
United States

Explosion in a fired heater of an ethylene plant

Event ID: 1167
Quality: 4
Application: Chemical industry
Component involved: heat exchanger (pipe)
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: 01/04/2025

27/10/2022
Taiwan

fire from a de-sulphurisation unit

Event ID: 1166
Quality: 5
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: 01/02/2025

17/06/2024
France

Small leak during CGH2 delivery

Event ID: 1165
Quality: 3
Application: Hydrogen transport and distribution
Component involved: joint/connection (threaded)
Hydrogen supply chain stage: Hydrogen transfer
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/02/2025

02/01/2025
France

Fire on a hydrogen bus fleet

Event ID: 1164
Quality: 3
Application: Road vehicles
Component involved: FCEV bus
Hydrogen supply chain stage: Hydrogen as fuel
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/02/2025

27/12/2024
South Korea

Fire from the storage area of a HRS

Event ID: 1163
Quality: 2
Application: Hydrogen refuelling station
Component involved: PRD (valve)
Hydrogen supply chain stage: hydrogen stationary storage
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/02/2025

19/11/2023
United States

Fire at a renewable fuels plant

Event ID: 1162
Quality: 4
Application: Petrochemical industry
Component involved: reactor / oven / furnace / test chamber
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: 01/02/2025

04/08/2020
South Korea

Release from a storage at a HRS

Event ID: 1161
Quality: 2
Application: Hydrogen refuelling station
Component involved: flange (bolts)
Hydrogen supply chain stage: hydrogen stationary storage
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/02/2025

25/03/2022
Sweden

Release from a storage at a hydrogen production site

Event ID: 1160
Quality: 4
Application: hydrogen production plant
Component involved: piping (supply line)
Hydrogen supply chain stage: hydrogen stationary storage
Nature of the consequences: release, no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/02/2025