World Hydrogen Summit 2027 Rotterdam: Guide & Attendee List
By Ilyas Kerbal,
The World Hydrogen Summit is the leading global hydrogen summit and exhibition. It takes place every May at Rotterdam Ahoy. The 2026 edition, held from 19 to 21 May with the exhibition on 20 and 21 May, drew 10,000+ attendees and 500+ exhibitors. The next edition is in May 2027.
Rotterdam’s role as Europe’s hydrogen-import hub makes it a natural host. Electrolyser makers, project developers, energy majors, ports, offtakers, governments and financiers all attend.
World Hydrogen Summit at a glance
| Detail | Information |
|---|---|
| Industry | Hydrogen |
| Venue | Rotterdam Ahoy |
| City and country | Rotterdam, Netherlands |
| Next edition | May 2027 (2026 edition: 19–21 May; exhibition 20–21 May) |
| Frequency | Annual |
| Does it move? | No. Rotterdam, annual. |
| Scale | 10,000+ attendees; 500+ exhibitors (2026) |
| Organiser | Sustainable Energy Council with RX |
| Typical ticket price | Free exhibition pass; summit pass ~€2,000–3,000 (estimate) |
| Event app / platform | Event app / meeting platform |
| Website | world-hydrogen-summit.com |
What the summit covers
- Green and low-carbon hydrogen production
- Electrolysers and fuel cells
- Hydrogen derivatives (ammonia, e-fuels)
- Storage, pipelines and ports
- Industrial offtake (steel, chemicals, refining)
- Project finance and policy
Where it takes place
Rotterdam Ahoy, every year. Organised by the Sustainable Energy Council with RX.
Who attends
| Audience | Interest | Relevance |
|---|---|---|
| Energy majors and utilities | Projects | Large buyers |
| Project developers | Equipment, offtake, finance | Active buyers |
| Industrial offtakers | Supply | Demand side |
| Government delegations | Policy and funding | Public partners |
| Investors and financiers | Deals | Capital |
Rotterdam Ahoy exterior. Photo: Ourytima, CC BY-SA 4.0, via Wikimedia Commons.
Selling into hydrogen? I build enriched World Hydrogen Summit lists covering exhibitors, speakers, developers and offtakers, with roles, company size and LinkedIn data. Request your hydrogen summit list.
Passes
Exhibition passes are usually free, while strategic summit passes cost around €2,000–3,000 (estimate).
Event app and meeting platform
An event app and meeting platform support networking and pre-scheduled meetings. Senior developers and offtakers are in demand, so specific outreach matters.
How to prospect the World Hydrogen Summit
- List developers with projects at FID or near it. They’re the ones buying.
- Map offtakers in steel, chemicals and refining.
- Identify project, procurement and commercial leads.
- Reflect market reality. Some projects have been cancelled, so qualify carefully.
- Use free exhibition passes for broader team attendance.
Pros and cons
| Pros | Cons |
|---|---|
| Most senior hydrogen gathering in Europe | Project pipeline under pressure |
| Strong government and investor presence | Expensive summit passes |
| Free exhibition access | Niche |
Frequently asked questions
When is World Hydrogen Summit 2027?
In May 2027 at Rotterdam Ahoy. The 2026 edition ran from 19 to 21 May.
Is the World Hydrogen Summit free?
Exhibition passes are usually free. Summit passes are paid.
Who organises it?
The Sustainable Energy Council with RX.
Can I get an attendee list?
Attendee data is not exportable. An enriched list covers exhibitors, speakers and target companies.
Plan for Rotterdam
For an enriched hydrogen industry list, ask for a quote on the Prospector home page.
Related event guides
- WindEurope 2027 Copenhagen: Wind Energy Event & Attendee List
- Intersolar Europe 2027 Munich: Guide & Attendee List
- E-world 2027 Essen: Energy & Utilities Fair Guide & Attendee List
Sources
Image credits
- Cover image: Photo: European People’s Party, CC BY 2.0, via Wikimedia Commons. Rotterdam Ahoy convention centre, home of World Hydrogen Summit.
- In-article image: Photo: Ourytima, CC BY-SA 4.0, via Wikimedia Commons. Rotterdam Ahoy exterior.
