Sustainable Ships provided Van Oord with support on building their own Decarbonizer tool, to be used for scenario planning and long-term decision making with regards to sustainability. The services provided included weekly support on decarbonization methods, technologies and implementation on board two vessels of Van Oord.

This thesis performs a technical, economical and environmental feasibility study of three dense hydrogen carriers as a fuel to power the largest semi-submersible offshore crane vessel in the world – Heerema’s Sleipnir.