Hydrogen Shipping Blog 45
In-depth analysis of hydrogen maritime technology, vessels, and the energy transition at sea.
Paving the way for safe hydrogen shipping
Lloyd's Register highlights that hydrogen adoption faces hurdles due to infrastructure gaps and the complexities of cryogenic storage at -253°C. Onboard hydrogen generation from fuels like methanol offers a transitional solution, circumventing extensive bunkering needs while fostering operational ex
Read articleNICOLHy investigates concepts on Vacuum Insulation Panels (VIPs) for the economic and safe thermal insulation of large-scale liquefied hydrogen tanks. Europe’s transition in energy imports and storag...
Japan Engine Corporation's 6UEC35LSGH completes the world's first full hydrogen co-firing test of a large low-speed two-stroke marine engine — the technology type that powers most of the world's oceangoing fleet.
A peer-reviewed survey of all 50 hydrogen-powered vessels built between 2000 and 2024 tracks how the technology evolved, what it costs, and what must change for hydrogen to scale across commercial shipping.
A peer-reviewed paper documents the design, construction, bunkering, and six months of operation of the Three Gorges Hydrogen Boat No. 1 — the first 500 kW PEMFC vessel in China, fuelled by hydropower electrolysis on the Yangtze River.
Korean Register's 80-page technical guide on hydrogen ship safety covers storage systems, nine distinct hazard categories, and risk mitigation strategies — here is what naval architects and ship operators need to take away.
The Windcat Amsterdam, second vessel in Damen's Elevation Series, has arrived in Europe — a 90-metre CSOV with pre-installed CMB.TECH hydrogen dual-fuel gensets awaiting regulatory activation.
The Dong Fang Qing Gang, a 64-metre, 64 TEU inland boxship powered by twin 240 kW hydrogen fuel cells, completed an 83.7 km trial voyage on the Yangtze River Delta waterways in March 2025.
The Viking Libra has been launched at Fincantieri's Ancona shipyard — the world's first ocean-going cruise ship designed for liquid hydrogen propulsion. Here is a technical breakdown of the key engineering decisions: 6.2 MW fuel cell architecture, swappable LH2 containers, and what a 238-metre LH2 cruise ship actually looks like from the inside.
China's new hydrogen pilot program will allocate up to 1.6 billion yuan per city cluster to scale up hydrogen applications across transport and industry. This initiative promotes fuel cell vehicles, green ammonia/methanol production, and hydrogen metallurgy, aiming for a comprehensive green transiti
While PowerCell Sweden's share price makes headlines, the real story is on the assembly floor: a SEK 400m+ marine order backlog, the first commercial MS-500 order, and an 80,000-hour durability target that puts hydrogen fuel cells in direct competition with diesel engines.
As the Viking Libra prepares for delivery and H2 Barge 2 proves commercial viability on the Rhine, shipowners face a definitive choice: LH2 or GH2? A naval architect's 2026 analysis of energy density, CAPEX, boil-off management, and the new IMO safety framework.
DNV's study emphasizes that hydrogen-fuelled ships necessitate secondary enclosures and automated protection due to hydrogen's high flammability. The research highlights the need for robust containment strategies to mitigate risks associated with rapid ignition and leak detection challenges. This da
As the maritime industry matures past proof-of-concept, PEM fuel cell arrays, liquid hydrogen storage, and triple hybrid architectures are defining the zero-emission vessel of 2026. This deep dive covers the key engineering decisions shaping today's hydrogen-powered newbuilds.
The EU's MiNaMi project targets 80,000 operating hours for MW-scale PEM fuel cells — the durability milestone that closes the gap with diesel engines and makes hydrogen propulsion commercially viable for large vessels.
Three LH2 containership projects — Samskip's SeaShuttle, Edge Navigation's modular vessel, and the EU-funded Energy Observer 2 — are converging in 2026, marking the emergence of liquid hydrogen propulsion as a viable commercial technology for short- and medium-sea trades.
Everllence's HydroPoLEn project has achieved a milestone in hydrogen combustion engine development, upgrading its Augsburg test bench and increasing power density through an innovative combustion process. The project, supported by the German Federal Ministry, addresses critical operational and safet
Morocco is strategically positioned to become a key green hydrogen bunkering hub, potentially supplying 2.83 million tonnes of hydrogen-equivalent fuel by 2050. Leveraging its existing port infrastructure, including Tanger Med and Jorf Lasfar, Morocco can facilitate the maritime sector's transition
Kawasaki has launched a gas turbine capable of operating on a 30% hydrogen blend, significantly reducing emissions and offering a drop-in replacement for existing gas turbines. This turbine leverages existing infrastructure, facilitating easier adoption of hydrogen fuel. The company's partner, Japan
BeHydro's 900 kW hydrogen engine achieves Lloyd's Register type approval, marking a milestone in zero-emission propulsion. This spark-ignited engine, operating at 900 rpm, demonstrates the viability of hydrogen for maritime applications. With IMO's NOx Technical Code updates, hydrogen engines like B
The IMO is set to enable hydrogen engine certification through NOx Technical Code revisions, incorporating hydrogen- and oxygen-balance methods. These amendments will facilitate the adoption of alternative fuels, advancing hydrogen propulsion projects for shipowners and manufacturers. Furthermore, t
Genevos joins the EU-backed Helenus project, integrating its 100 kW XPM-100 SOFC module into multi-megawatt marine power systems. This solid oxide fuel cell (SOFC) technology, demonstrated on a DLR research vessel, achieves higher fuel flexibility and efficiency. The project aims to reach Technology
Hydrexia has achieved a milestone in solid hydrogen transport with its MHX system, shipping hydrogen using metal hydrides. This eliminates high-pressure risks and reduces OPEX by avoiding complex cryogenic infrastructure, validating solid-state technology for safe energy trade. The MHX system addres
Germany's Coriolis: World's First Research Vessel with Metal Hydride Hydrogen Storage Now Operational
EMSA's groundbreaking H-SAFE study reveals why hydrogen ships need fundamentally different safety systems than LNG vessels
Japan's first hydrogen dual-fuel tugboat TEN-OH begins 2026 demonstrations. 38m, 4,400 hp BeHydro engines, 250 kg H₂ storage, targeting 60% CO₂ reduction.
Summary of the IEA Global Hydrogen Review 2025 with focus on hydrogen for shipping and production costs.
Lloyd's Register's Fuel for Thought: honest assessment of hydrogen as marine fuel. Viable for specific routes, but bunkering remains the critical gap.
JRC analysis compares costs and environmental impacts of five hydrogen delivery methods, finding liquid hydrogen shipping and compressed pipeline transport most sustainable.
Kawasaki, Yanmar, and Japan Engine Corporation complete world's first land-based operation of marine hydrogen engines under NEDO's JPY 2 trillion Green Innovation Fund.
Samskip selects Norwegian Hydrogen as LH2 supplier for world's first hydrogen container ships on Rotterdam-Oslo route, operations starting 2028.
Kawasaki contracts world's largest liquid hydrogen carrier at 40,000 m³ capacity, marking transition from demonstration to commercial-scale hydrogen shipping.
Gen2 Energy secures 195 MW grid capacity for Norway's largest green hydrogen plant at Nesbruket, producing 42 tons daily for European export by 2027.
Enova grant subsidy to four more hydrogen vessels
Yanmar's Hydrogen Fuel Cell GH320FC DNV Approval in Principle.
Fincantieri and Viking unveil Viking Libra, the world's first hydrogen-powered cruise ship, marking a new era in sustainable, zero-emission maritime travel.
Discover H2ESTIA, the world's first liquid hydrogen-powered cargo ship project, aiming to revolutionize maritime logistics with zero-emission technology.
Comparing LT-PEM Hydrogen Fuel Cells for Maritime Use
On Thursday 06 February five new hydrogen vessels were granted a subsidy by the Dutch government under Maritime Masterplan program. Two methanol and two carbon capture projects received subsidy too. This first call included a total budget of €85 million of which €40 was allocated to hydrogen vessels. For those who missed out, a next […]
In my previous post I explained how the Energy Observer 2 is a new milestone for hydrogen powered vessels. This post analyzes a typical operation for such vessel across European ports in an assumed schedule and evaluates its potential benefits from Fuel EU Maritime. Operational Snapshot The vessel operates between key European ports on the […]
In the past week, more information became known about the largest vessel to-date to operate on liquid hydrogen: the Energy Observer 2 (EO2), a project spearheaded by Energy Observer in collaboration with partners like LMG Marin. This blog post summarizes what is known to date about this large vessel. Introducing Energy Observer 2 Building upon […]
EU innovation fund grants subsidy to three shipbuilding projects using LH2 as fuel
The ferry Hydra: world's first liquid hydrogen powered vessel.
In-depth analysis of hydrogen maritime technology, vessels, and the energy transition at sea.