DNV has finalized a comprehensive study for the European Maritime Safety Agency (EMSA) on the safety of hydrogen as a marine fuel. The report, titled “Safety of Hydrogen for Use in Ships,” emphasizes the need for a design-based safety approach for hydrogen-fueled vessels. It recommends implementing secondary enclosures for all hydrogen components, even those on open decks, due to the unique hazards hydrogen presents compared to other fuels like LNG.
The study highlights that hydrogen’s low ignition energy and potential for rapid leak-induced gas clouds increase explosion risks. Consequently, it advises additional technical barriers for leakage management and protection systems onboard. Cristina Saenz de Santa Maria, DNV’s Interim CEO Maritime, noted that while hydrogen has potential as a ship fuel, safety risks must be prioritized through early integration and collaboration across the industry.
Moreover, the report addresses occupational safety concerns for crews, emphasizing the need for training to recognize hydrogen-specific risks. Clear operational procedures and a strong safety culture are essential for mitigating these hazards. Linda Hammer, the study’s lead author, reiterated the importance of robust containment and automated protection systems as the first line of defense against hydrogen-related incidents in maritime environments.
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