Tag: green-offshore-hydrogen

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H2sea Re-Selected for EU Business Hub Japan Mission

H2sea re-selected for EU business mission Japan

H2sea has again been selected to join the EU Business Hub mission to Japan, marking the second time the company will participate in this EU-funded initiative supporting collaboration between European innovators and Japanese industry.

The upcoming mission will take place from 15–19 March 2026 during Smart Energy Week Spring 2026 at International Exhibition Center Tokyo Big Sight in Tokyo. As part of the programme, H2sea will exhibit at the EU Pavilion alongside other European companies and participate in B2B matchmaking, networking events, sector briefings and knowledge exchange sessions. In total, 50 companies from 19 EU countries will join the delegation.

The mission takes place within the broader framework of EU–Japan cooperation in the energy sector centered around the Green Alliance, the Energy Dialogue and the Memorandum of Cooperation on Hydrogen. This continued collaboration provides H2sea with opportunities to further strengthen relationships in Japan’s growing energy transition market and explore future partnerships in offshore hydrogen.

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H2sea selected for EU hydrogen business mission to Japan

H2sea on EU hydrogen business mission Japan


H2sea has been selected to join the EU Business Hub – Japan and the Republic of Korea, an EU funded programme that strengthens co-operations between Europe’s and Asia’s frontrunners in the hydrogen economy. The programme supports innovative European companies in green technologies.

Following a competitive selection process, H2sea will take part in the five-day business mission to Japan (15-19 September), centered around the Smart Energy Week Autumn 2025 at the Makuhari Messe in Tokyo.

The programme includes three days of exhibiting at the EU Pavilion, where H2sea will showcase its expertise in offshore hydrogen, complemented by targeted B2B matchmaking, networking events, sector briefings and knowledge exchange.
This mission will strengthen H2sea’s ties with Japan’s fast-growing hydrogen market and open doors for future collaboration.

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H2sea Presents at DMEC Deep Dive on Offshore Green Hydrogen

H2sea gives presentation at DMEC during Deep Dive on Offshore Green Hydrogen

H2sea was invited to present at the DMEC Deep Dive, a quarterly international forum hosted by the Dutch Marine Energy Centre (DMEC). DMEC serves as an accelerator and knowledge hub for offshore renewable energy innovation.

The June edition, held on 17 June, focused on offshore green hydrogen, bringing together key stakeholders to explore the latest developments, technological maturity, and market readiness of this rapidly evolving sector. Discussions also addressed the challenges and opportunities of integrating green hydrogen into existing offshore energy infrastructure.

Mohool Misra, project engineer hydrogen at H2sea, shared insights from H2sea’s current research projects and future vision for offshore hydrogen production. Other speakers included Bureau Veritas, the OASIS project, Eindhoven University of Technology, and DMEC itself.

We thank DMEC for the opportunity and look forward to continued collaboration in advancing offshore hydrogen solutions.

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H2sea presents new logo and corporate identity

H2sea is excited to announce its new logo and refreshed corporate identity, making a signifant step in aligning our visual presence with that of our sister companies.

With an updated icon, font, and colours, our refreshed design not only modernises our appearance but it unifies the visual identities of H2sea, Enersea, and our newly introduced sister company, Frequensea.

We are proud to be part of a family that is committed to driving innovation in the energy sector.

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Hydrogen engineers from H2SEA give lectures in Finland

Lectures by H2SEA on hydrogen in Finland.

A team of hydrogen engineers and consultants from H2SEA visited Finland last week to give several lectures on the integration of hydrogen technologies within offshore infrastructure.

Energy professionals involved in the development of Finland’s first offshore wind farm attended the lectures along with industry experts seeking offshore hydrogen solutions.

During the sessions, H2SEA also provided insights on offshore hydrogen production and transportation, sharing expertise on the evolving role of hydrogen in sustainable energy systems.

The attendees expressed great interest in H2SEA’s knowledge and solutions, appreciating their relevance to Finland’s ambitious climate goals and decarbonisation efforts.

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Live Hydrogen demonstrations at H2SEA stand during Offshore Energy

LiH2SEA demonstrates live hydrogen production

During the Offshore Energy Exhibition & Conference, H2SEA presented live hydrogen production demonstrations at their joint exhibition booth with sister company Enersea.

To showcase the principles of hydrogen production, H2SEA developed a demonstration model of the electrolyser process used in its platform concepts. Tom Evertse, Project Engineer Hydrogen at H2SEA, conducted the demonstrations, providing attendees with a tangible understanding of H2SEA’s hydrogen solutions.

H2SEA has developed several offshore hydrogen platform concepts, with capacities ranging from 50 MW to 1,000 MW. These platforms are designed to produce green hydrogen using electrolysis and aiming for high reliability and cost-effectiveness. H2SEA emphasises simplicity in design to balance operational and capital expenditure.

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H2SEA showcasing at Wind Energy Hamburg

H2SEA is pleased to announce its participation at Wind Energy Hamburg, taking place from September 24-27. We will be exhibiting at stand 242.09 in hall B7.

Throughout the event, H2SEA will provide insights into its groundbreaking concepts for green offshore hydrogen production and our involvement in key demonstration projects.

We invite attendees to visit our stand to learn more about our initiatives and the vital role offshore hydrogen can play in advancing the energy transition.

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H2SEA speaker at Wind Energy Technology Summit Gent

Tom Evertse, Technical Consultant Offshore Hydrogen at H2SEA, will be presenting at the Wind Energy Technology Summit in Gent, Belgium on June 4th. His lecture will cover different concepts and philosophies for hydrogen production at sea.

The Wind Energy Technology Summit is dedicated to the production of green electrons and molecules at sea and organised by Sirris, OWI-Lab, Agoria Energy Technology Club and WaterstofNet.

The first day of the conference, June 4th, will focus on offshore hydrogen, while the second day, June 5th, will address structural integrity issues related to offshore foundations and constructions. This marks the 4th edition of the Wind Energy Technology Summit.

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H2SEA shares expertise in panel during World Hydrogen Summit

At a panel session during the World Hydrogen Summit, Edwin van Drunen, Managing Director of H2SEA, offered insights on the economic viability of offshore hydrogen initiatives. 

As a distinguished panelist at the HEROW side event, Edwin shared H2SEA’s research insights on the scalability of offshore hydrogen projects.

Joining H2SEA on the panel were representatives from prominent organizations such as Shell, RWE, Eneco, and TNO, the latter also serving as the co-organizer of the HEROW event. HEROW, an acronym for Hydrogen Empowering Revolutionary Offshore Wind, convened industry leaders to explore advancements in offshore hydrogen technologies.

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H2SEA study reveals costs of Energy Storage Systems can be reduced by 75%

Green hydrogen company H2SEA has completed a study showing that the costs for ESS (Energy Storage Systems) on offshore hydrogen platforms can be reduced by 75%.

H2SEA investigated different cost reduction scenarios for offshore green hydrogen production with a connection to an off-grid windfarm for the power supply. 

Due to an extensive network of technology partners, H2SEA has access to accurate data of hydrogen building blocks. Different configurations have been evaluated, taking both grid stability and cost implications in mind. 

One of the cost reduction strategies involves the integration of different transformers optimising space and cost per megavolt-amperes/m2, and the use of a smart ESS. 

Further, a different configuration of the energy storage and electrolyser system can reduce infrastructure requirements.

One of the configurations that H2SEA has modelled, leads to a 75% decrease in costs of the ESS, which is quite a significant part of CAPEX investment, making green offshore hydrogen production a feasible economic option as renewable fuel in the future.

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