John Cockerill Hydrogen

Leading the Energy Transition

A pioneer in green hydrogen

Answering today’s ecological urgency and the need to reduce CO2 emissions, John Cockerill brings you a promising sector that could help decarbonise transport and industry: hydrogen. In this pioneering industry, we have already manufactured electrolysers and storage solutions for nearly 1,000 customers in different industries. Today, John Cockerill Hydrogen offers the most powerful electrolysers on the market, capable of producing up to 1000Nm³ per hour (equivalent to 5 megawatts (MW).

Latest news & blog posts

Press release

Power2X approves start of construction phase for Djewels green hydrogen plant with Rely as EPC contractor and John Cockerill’s advanced electrolyzer technology

May 21st 2026
John Cockerill's 5MW pressurized alkaline electrolyser for green hydrogen production
News

John Cockerill, Rely, and Shell jointly evaluated the safety, operability, and maintainability of John Cockerill’s alkaline electrolyzer technology

May 11th 2026
News

John Cockerill has installed four electrolyzers at the HyOffWind site

April 29th 2026

Upcoming events

Oct 26
Belgium
Group

EU Hydrogen Week

Our vision

Our entrepreneurial spirit and our desire to move the world forward are part of John Cockerill’s DNA. We aim to provide solutions that are more reliable, respectful of the environment, and higher performing.

80 5 MW single stack electrolysers delivered between 2018 and 2022
10 T of hydrogen produced by our equipment every hour
+ 30 more than 30 countries of reference