John Cockerill Hydrogen begins electrolyzer production in Belfort and starts 40 MW Netherlands phase
- On 8 July 2025 the Belfort Commercial Court accepted John Cockerill Hydrogen’s bid to acquire McPhy’s key assets, including the Belfort plant, technologies, IP and about 80 employees.
- Teams from Belfort, Wildau and Seraing completed the first 5 MW electrolyzer stack manufactured and assembled in France.
- Aspach will produce eight electrolyzers totaling 40 MW this summer for a project in the Netherlands.
- Aspach and Seraing previously produced cells for a 25 MW green hydrogen plant in Belgium and continue production and assembly for European projects.
Acquisition and industrial continuity
On 8 July 2025 the Belfort Commercial Court accepted John Cockerill Hydrogen’s bid to acquire McPhy’s key assets, including the Belfort plant, innovative technologies, intellectual property and approximately 80 employees. Since the acquisition the company has continued to invest in expertise, industrial tools and the development of new generations of electrolyzers.
Manufacturing milestone in Belfort
Teams from Belfort, Wildau and Seraing completed the first 5 MW electrolyzer stack manufactured and assembled in France using an innovative production line, demonstrating preserved industrial and technological expertise and the ability to continue development of this technology for Europe’s energy transition.
Project production in Aspach and Seraing
Aspach and Seraing sustain industrial operations: after producing the cells for a 25 MW plant in Belgium, Aspach will launch production this summer of eight new electrolyzers totaling 40 MW for a project in the Netherlands, supporting current European deployments.
Strategic context
Belfort, Aspach and Seraing are positioned to turn innovation into industrial output, preserve value from acquired expertise and support scaling of the European hydrogen sector to meet decarbonization needs in chemicals, refining and fertilizer production; the CEO urged coherent policies to convert production support into sustained market demand for European technologies.
Source: John Cockerill Hydrogen
