Registration Info | AIChE

Registration Information

Conference Dates: May 9-11, 2023

Location: Rotterdam Ahoy, Netherlands

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This year's event is independently co-located with the World Hydrogen Summit & Exhibition. Learn more about the Summit here.

Included in your registration

  • A 3-day registrant access only to all CHS sessions and plenary talks: Join the live discussions on hydrogen safety including (but not limited to) topics such as Incidents and lessons learned, Fundamental safety considerations, Public education, and First responder training
  • Permanent access to online post-conference proceedings 
  • As a Co-Located Event with the World Hydrogen Summit, you can also take advantage of the free Exhibition Visitor Pass (learn more), which includes:
    • Access to the World Hydrogen Summit Exhibition:  Don’t miss this rare opportunity to enhance your strategy with the latest hydrogen content, technologies and advancements. Make key connections, establish partnerships and sign new business deals.
    • Access to the H2 Tech Series, H2 session recordings and speaker presentations
    • Access to the Networking Platform: World Energy Storage Exhibition: Be a part of a global event that is driving technology forward. Another great networking opportunity with over 350 exhibitors, 80 speakers and 8,000 visitors

Online registration and payment are processed using a credit or debit card in USD. To pay with a bank transfer contact

This event is scheduled to be fully in-person. No virtual access portion will be available. 

Registration Rates


Early (Ends March 5)

Regular (Ends May 3)

Onsite (Begins May 9)

Professional CHS Member $995 $1195 $1295
Professional CHS Non-Member $1095 $1295 $1395

Cancellation & Substitution Policy:

Cancellations called in at 800.242.4363 or emailed to no later than April 25, 2023 11:59pm ET will receive a full refund less $50 in processing charges. After April 25, 2023 no full registration refunds will be given. If you register but are unable to attend, AIChE will accept a substitute with a $50 processing fee. 

Travel and Visa Requirements

Attendees are responsible for their own travel plans and visas, as required. Please allow extra time for visa processing.

Visa invitation letters can be provided upon request by emailing  To help expedite the request, please research the particular requirements of your country of citizenship and provide all relevant information in your request.