Project 821: The First Hydrogen-Powered Superyacht

Discover Project 821, Feadship's groundbreaking 118.80-meter superyacht, the first yacht in the world to operate without emissions by using hydrogen fuel cells. Launched on May 4, 2024, this luxury vessel sets new standards for sustainable yachting with its innovative design and eco-friendly technology.
Project 821 on Feadship yard
Feadship Project 821 Aft
Feadship 821

Key Takeaways:

  • First Hydrogen Fuel-Cell Superyacht
  • The yacht features green hydrogen for utility power and MTU generators with HVO biofuel for longer trips
  • The yacht is equipped with cryogenic storage for liquid hydrogen
  • Project 821 has 14 balconies, 5 shell doors, and luxurious interiors with marble, rattan, eucalyptus, and oak

Historic Launch

On May 4, 2024, Feadship launched Project 821, a 118.80-meter superyacht, at its Amsterdam shipyard. This superyacht is powered by hydrogen fuel cells, making it the world's first. The development of this groundbreaking marvel took five years, setting a new standard for sustainable luxury in the maritime world.

Green Technology Breakthrough

Project 821 runs without emitting any pollution thanks to its use of green hydrogen. The yacht's hydrogen fuel cells produce electricity and only generate pure water as a byproduct. This breakthrough ensures that the vessel has no impact on the environment, representing a significant advancement in maritime technology. The yacht's fuel cells can also use methanol to create hydrogen, providing flexibility and sustainability.



Project 821 with green technology

Collaborative Innovation

Feadship, Edmiston, and Lloyd's Register worked together to create safety rules and procedures for hydrogen storage and fuel-cell systems in the maritime sector, where there were no existing regulations. This collaboration underscores the importance of safety and sustainability in the luxury yacht industry.

Elegant Design and Features

Project 821, managed by Edmiston, is a luxury yacht known for its elegant design. It has 14 balconies, five shell doors, and seven large opening platforms, offering great views and access to the sea. The interior design features high-quality materials like marble, rattan, eucalyptus, and oak to create a luxurious and comfortable family environment.

Environmental Impact

The yacht uses clean hydrogen power for its utility, significantly reducing its carbon footprint. Project 821's generators can run on HVO (Hydrotreated Vegetable Oil) for longer journeys, cutting harmful emissions by 90%. The yacht also has a storage tank for liquid hydrogen and a system that recovers waste heat to improve efficiency, ensuring it remains eco-friendly even during extended operations.



Project 821 aft deck

Future Vision for Yachting

Feadship plans to create yachts that produce zero emissions by 2030, and Project 821 is the first step in achieving this goal. The yacht can operate silently and without emissions for a week while at anchor, showing the future of eco-friendly yachting.

Spacious and Luxurious

Project 821 has wide corridors and side decks, providing spacious and comfortable navigation throughout the yacht with a 19-meter beam. It is designed to be ideal for family use, with extensive private spaces. This yacht is the largest motor yacht ever launched in The Netherlands, representing sustainable innovation in the maritime industry. Feadship is dedicated to creating luxurious yet environmentally friendly vessels, which is evident in every aspect of this exceptional superyacht. This paves the way for a greener future in luxury yachting.


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