Water electrolyzers are electrochemical devices used to split water into its constituent elements, hydrogen and oxygen, by passage of an electrical current. There are four main types of electrolyzers: alkaline and proton exchange membrane (PEM) electrolyzers are already mature, while anion exchange membrane (AEM) and solid oxide electrolyzers are still under development. These technologies differ in numerous ways, most notably in cell design and variations within components. In this section you can find news items related to various aspects of electrolyzer technologies, equipment and components. If you would like to see your news release published here and in our email newsletter, please feel free to contact Matjaž Matošec.
Uniper has selected Electric Hydrogen as its exclusive partner to design a 200-MW electrolyzer plant for large-scale electrolysis within Uniper’s Green Wilhelmshaven project in Northern Germany. Electric Hydrogen began conducting the preliminary front-end engineering design (pre-FEED) work for the project in October 2024.
ITM Power has announced that it has validated an additional 40% iridium loading reduction while maintaining stack performance and longevity. This achievement builds on the company’s track record of successful precious metal reductions, having already lowered loading by over 80% in recent years.
European Energy has officially inaugurated its first green hydrogen facility in Måde, near Esbjerg, Denmark. The facility marks European Energy’s first venture into large-scale hydrogen production using renewable energy.
Verdagy has opened the first electrolyzer manufacturing facility in the United States supported by the U.S. Department of Energy (DOE). Located in Newark, California, the new Silicon Valley factory spans over 100,000 square feet and has the capacity to produce several gigawatts of electrolyzers.
Nel Hydrogen Electrolyser AS, a fully owned subsidiary of Nel ASA, has been awarded a grant from the EU Innovation Fund of up to €135 million for the industrialisation of its next-generation pressurised alkaline electrolyser technology. The potential industrialisation is planned in Herøya, Norway.
Swedish start-up Hymeth has unveiled its new 25-kW alkaline electrolyzer. Building on its 5-kW system, which achieved a 67% efficiency rate in September 2023, the latest model demonstrates a 4–10% efficiency improvement, bringing the overall stack efficiency to 70–74%.
Ohmium International has signed a term sheet with SwitcH2 BV, a renewable energy joint venture that includes partners such as BW Offshore, to develop PEM electrolyzer solutions for a pioneering 300-MW offshore floating green hydrogen and ammonia synthesis project led by SwitcH2.
Next Hydrogen has successfully completed an extended durability test of its GEN2 electrolysis cells for green hydrogen production. Using widely accepted testing protocols, the GEN2 cells demonstrated minimal degradation during intermittent operation. The company also surpassed 3,000 hours of cyclic testing, ensuring commercial readiness.
Cell Impact has signed a collaboration agreement with ANDRITZ to advance large-scale, high-speed production of bipolar flow plates for fuel cells and electrolyzers. The centerpiece of this partnership is ANDRITZ’s development of the world’s fastest and most productive welding machine for this application.
E.ON Hydrogen has selected ANDRITZ to conduct an engineering study for an electrolyzer plant in Essen, Germany. The contract includes feasibility and safety studies for the entire plant, covering hydrogen production, compression, storage, and trailer loading bays.
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