| Update: green hydrogen


“developed the first electrolyser capable of operating on a floating platform under extreme conditions”, with Plug’s EX-425D 1 MW electrolyser “marinised to meet acceleration, tilt and other marine specifications.” Lhyfe and Plug, having initiated a strategic relationship in October 2021, have also executed an MoU to jointly develop 300 MW of green hydrogen plants across Europe by 2025. In September 2022, Plug announced a deal with Lhyfe to provide 50 MW of PEM electrolysers for green hydrogen production, the company’s largest multi-site order in Europe. For the Sealhyfe Saint-Nazaire project, Lhyfe also acknowledges the role of the following French offshore and marine renewable energy players: Chantiers de l’Atlantique, for enhancing the resilience of the system to environmental stress, and work on ventilation systems and electrical architecture; Geps Techno and Eiffage Energie Systèmes for integration with the WAVEGEN platform and the naval architecture of the latter, engineered for the particularly stormy sea conditions at the site; Port of Saint-Nazaire, facilitator of Sealhyfe assembly and testing; and Kraken Subsea Solutions, which participated in the design of the underwater electrical connections to renewable marine energy producers on the SEM-REV platform. Sealhyfe has had support from the French energy and environment agency ADEME and the Pays de la Loire Region.


Dolphyn progresses


Meanwhile, looking to the coast of Aberdeen, Principle Power has been contracted by ERM to advance the FEED (front-end engineering and design) for a wind-to-hydrogen Dolphyn 10 MW demonstrator project off the coast of Aberdeen. The contract was signed after ERM Dolphyn was awarded £8.62 million of funding from the UK government, via the Low Carbon Hydrogen Supply 2 Competition.


Visualisation of the ERM Dolphyn concept for green H2


production at sea


ERM’s Dolphyn (Deepwater Offshore Local Production of HYdrogeN) is a conceptual design for producing green hydrogen at large scale from floating offshore wind. The ERM Dolphyn concept employs a modular design integrating electrolysis and a wind turbine on a moored floating semi-submersible platform based upon the proven WindFloat floating wind turbine technology developed by Principle Power. ERM and Principle Power have been collaborating on the development of decentralised hydrogen production opportunities since 2019. “It is now established that to meet net-zero ambitions…hydrogen from offshore floating wind needs to be a significant component in any viable long-term solution for heat, electricity generation, and transport,” said David Caine, partner at ERM.


The 10 MW demonstrator, aiming for operation in late 2025, is seen as a key step in proving the Dolphyn concept prior to commercial-scale deployment. Commercial scale projects (300 MW +) are under development and expected to be in operation pre-2030, followed by large-scale (GW) deployment post-2030.


ERM’s Dolphyn development is envisaged as a core project for the UK’s “hydrogen coast” strategy. Getting the Dolphyn concept to utility scale will require advancements in modularisation and industrialisation, the developers note, for which Principle Power is leveraging its 15 years of experience and lessons learned in pre- commercial projects such as WindFloat Atlantic (25 MW, Portugal) and KOWL (50 MW, UK) to “streamline everything from design concept to manufacturing to installation and load-out.”


Lhyfe to build 200 MW green hydrogen plant in the Netherlands


Lhyfe has announced plans to build a large-scale hydrogen production plant in the Netherlands as it continues its European expansion, with commissioning targeted for as early as 2026. The planned 200 MW electrolysis based facility at the Delfzijl chemical cluster, Groningen, will be capable of producing more than 20 000 tons of green hydrogen per year. The announcement comes after Lhyfe recently launched its UK


operation, based in North East England, with the aim of large scale decarbonisation.


Delfzijl is home to a significant industrial and chemical industry and already uses large quantities of hydrogen in manufacturing processes. Demand is set to grow significantly in the future, says Lhyfe.


The Netherlands aims to be one of Europe’s pioneering countries


in green hydrogen, with the roll-out of a national pipeline to supply industrial clusters. This ‘hydrogen backbone’ will be based on the soon to be


abandoned Groningen gas grid. Old salt caverns are to be converted to store hydrogen along the backbone, securing a steady flow of green hydrogen to the


industrial users when renewable power is not available. Luc Grare, head, central and eastern Europe, Lhyfe, said: “Delfzijl is an ideal location for renewable green hydrogen production as it has direct access to renewable energies from offshore wind power plants which are situated off the coast. “Renewable green hydrogen as an energy carrier will support the transport of offshore generated energy through the country, helping to ease an already congested electricity grid. “As such, Lhyfe’s Delfzijl plant will be able to supply green


hydrogen throughout the Netherlands, as well as to potential off- takers in Germany and other bordering countries.” Groningen’s goal is to become the leading hydrogen valley of


North-Western Europe and to build up a complete value chain from production, storage and transportation of green hydrogen. Lhfye says it is “ramping-up the renewable green hydrogen market in many European countries”, aiming to become a leading producer, targeting a total installed capacity of 3 GW by 2030. To achieve this, the company is establishing regional hydrogen


hubs of various plant sizes throughout Europe – including the Delfzijl project.


www.modernpowersystems.com | October 2022 | 11


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