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.
Sunfire has been awarded a contract for a 100-MW alkaline electrolyzer at RWE’s hydrogen site in Lingen, Germany. The order comes a few days after RWE’s final investment decision for its largest hydrogen project to date, which is scheduled to begin operation by the end of 2027.
Helen, one of Finland’s largest energy companies, is joining forces with MAN Energy Solutions and H-TEC SYSTEMS to build a 3-MW green hydrogen production plant in the vicinity of Helsinki’s district heating network and the Vuosaari Harbour.
The Hamburg Green Hydrogen Hub (HGHH), a consortium of Luxcara and Hamburger Energiewerke, has selected Siemens Energy to supply and install six units of its latest electrolyzer model for a 100-MW green hydrogen plant at the site of the former Moorburg coal-fired power plant.
Umicore has developed a platinum coating solution for titanium components in PEM electrolyzers using a new electrochemical deposition process. This method eliminates the need for the conventional hydrofluoric acid process, making hazardous chemicals unnecessary for platinization.
A 10MW green hydrogen plant at MOL’s Danube refinery in Százhalombatta, Hungary, has entered production. The facility will produce 1,600 tonnes of carbon-neutral hydrogen annually, which will be used for fuel production, reducing the Danube refinery’s carbon dioxide emissions by 25,000 tonnes.
Hygreen Energy, a global electrolyzer manufacturer and hydrogen technology developer, is set to significantly increase its presence in Europe by establishing an electrolyzer manufacturing facility, launching a technology development program, and building green hydrogen production plants in Spain.
EWE, a northern German energy supplier, plans to build a 320MW hydrogen production plant in Emden, Lower Saxony, by 2027. Stuttgart-based consulting firm Drees & Sommer, which specializes in infrastructure, construction and real estate, has been selected to manage the project.
On 26 August, Air Liquide inaugurated its 20MW electrolyser at its Oberhausen site in Germany. The plant is connected to Air Liquide’s existing hydrogen pipeline, allowing it to supply key industries and zero-emission mobility in the Rhine and Ruhr area with up to 2,900 tons of green hydrogen annually.
Hystar has awarded German industrial engineering company thyssenkrupp Automation Engineering the Front-End Engineering Design (FEED) contract for the supply of Hystar’s automated 4.5-GW electrolyser manufacturing line for its factory in Høvik, Norway.
Power to Hydrogen has raised over USD 18 million to scale and deploy anion exchange membrane (AEM) electrolysis technology. The Series A funding round brings together financial and industrial investors from around the globe to pair with U.S. and European government support in bringing the technology to market.
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