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Abstract The shipping sector is responsible for approximately 4.5% of global emissions, and hydrogen was indicated as a clean and sustainable energy carrier capable of mitigating its environmental impact. The relatively high energy density of liquid hydrogen makes cryogenic storage an attractive option for maritime transport. Large-scale hydrogen bunkering facilities will be crucial to establishing an effective supply chain. Nevertheless, the chemical properties of hydrogen and its cryogenic storage conditions are reasons for concern regarding the safety of these storage plants. Preventive maintenance can reduce the likelihood of undesired events, but inspection planning is inherently challenging in the case of innovative facilities where massive amounts of hazardous substances are stored. The lack of technical data and operational experience with similar plants represents a significant bottleneck. The risk-based inspection (RBI) methodology prioritizes inspections of safety-critical components to minimize the overall plant’s risk. This highly beneficial strategy can only be adopted for hydrogen technologies with highly unrealistic assumptions. Therefore, a novel RBI approach was developed, which considers the hydrogen-specific hazards. The methodology was applied to an LH2 bunkering facility to highlight the advantages of this approach against the conventional RBI methodology.
Campari et al. (Sun,) studied this question.