Our History
High-Power Water Electrolysis : A Century of Proven Performance
The patented RuggedCell™ system leverages a century of Stuart family experience in water electrolysis. The system builds upon three previous generations of clean hydrogen production technology.
​
The high-power unipolar architecture underlying the RuggedCell® has achieved over 1 billion cell-hours of reliable operation in approximately 1,000 hydrogen plants in 100 countries. RuggedCell™ technology leverages this legacy with new advancements in high-power water electrolysis.
Key Milestones
1948
Founding of The Electrolyzer Corporation and start of in-house manufacturing of electrolyzers.
1974
Development and commercialization of large-scale units built on Stuart Unipolar Technology.
1987 - 1988
Major Joint Venture Projects in Bécancour (Québec) with Hydro-Québec, and in Curitiba (Brazil) with Peroxidos do Brasil
1998
Company rebranded under Stuart Energy Systems Corp.
2003
Acquisition of Vanderborre Technologies NV
2005
Stuart Energy is acquired by Hydrogenics (now Cummins)
2017
Hydrogen Optimized Inc. is founded by Andrew and Edward Stuart, who together develop the RuggedCell®.
2022
Strategic Partnership with ABB.
2024
Completion of Owen Sound's MegaFactory
1927
First patent granted and start of commercial sales
1913
Initial design of Stuart Unipolar Alkaline Electrolyzer Technology
A Century of
High-Power Water Electrolysis
