World Hydrogen Summit & Exhibition

Key facts

Attendance 2024

15 000

Exhibitors

500

Floor space

—

Admission

—

Frequency

Annual

Editions

1 (2026)

Attendance and exhibitor figures for 2024 are the organizer's own and are not independently audited. They may include co-located or joint exhibitions.

World Hydrogen Summit & Exhibition is an annual trade fair in Rotterdam covering certification & regulations, clean hydrogen storage and electrolyser developments. The most recent edition on record ran 19–21 May 2026 at Rotterdam Ahoy; no future date has been announced. The 2024 edition reported 15,000 visitors and 500 exhibitors, a figure published by the organiser and not independently audited. Organised by Sustainable Energy Conferences Limited.

What is exhibited

• Ammonia
• Certification & Regulations
• Clean Hydrogen Storage
• Electrolyser Developments
• Hydrogen Bankability
• Hydrogen Economy Creation
• Hydrogen Hubs & Demand Centers
• Hydrogen Mobility
• Hydrogen Supply Chain Development
• Infrastructure
• Liquid Hydrogen
• LOHC
• Low Carbon Hydrogen Applications
• Low Carbon Hydrogen Production
• Methanol
• Renewable Hydrogen Production
• Standardisation
• Transportation & Distribution

J-messe subject tags

JETRO's own classification, kept verbatim. Fairs carry several; the sector in the sidebar is the single one this site browses by.

• Chemicals & Plastics
• Mining & Energy

Editions on record

Every dated instance of this fair the database holds. A series keeps one identity across renames and moves; each row below is one edition of it.

Where this came from

Field-level provenance for the most recent edition: what each fact came from, how far it is trusted, and when it was last checked.