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.
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.
Plug Power has signed a binding framework agreement with Allied Green Ammonia (AGA), an Australian company focused on green ammonia production, to finalize a supply agreement for 3 GW of electrolyzer capacity for AGA’s hydrogen-to-ammonia plant in Australia.
Accelera™ by Cummins has inaugurated its new electrolyzer manufacturing plant in Guadalajara, Castilla-La Mancha, Spain. The plant has the capacity to produce 500 MW of the company’s HyLYZER® 1000 PEM electrolyzers annually, scalable to more than 1 GW per year in the future, and is expected to create 150 highly skilled jobs in the region.
Saipem has unveiled IVHY™ 100, a 100-MW green hydrogen production solution leveraging Nel’s alkaline electrolyser technology. The solution is designed and industrialized to be scalable, modular, and facilitate the installation and commissioning of large-scale systems.
Quest One has inaugurated its new Gigahub in Hamburg, Germany, dedicated to the serial and automated production of electrolysis stacks. With the opening of this new production site, the company, formerly known as H-TEC SYSTEMS, has officially rebranded as Quest One.
On 19 September, Ecoclean and the Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW) have commissioned the first production-ready EcoLyzer electrolyser. The P200 alkaline system, which consists of two modular units with a combined output of 1 MW, can produce around 200 Nm³/h of hydrogen.
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