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12th Monaco Energy Boat Challenge gets underway

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. It’s all systems go in Monaco bay and the YCM Marina following the official opening of the 12th Monaco Energy Boat Challenge. Organised by Yacht Club de Monaco, with support from the Prince Albert II FoundationUBSBMW and SBM Offshore, this major event invites yachting professionals, researchers and young engineers to imagine and test under real-life conditions new propulsion solutions. For YCM General Secretary Bernard d’Alessandri this 12th edition is another significant milestone. “There’s a feeling that the projects are of a maturity that we’ve not seen before. Schools, universities and the industry are really committed. It’s an excellent sign for the sector and future of young people embarking on these career paths,” he says.

Innovations put to the test at sea

For three days, a packed programme is unfolding at sea and ashore, including an E-Boat Rallye, speed record attempts, endurance, slalom and manoeuvrability tests, specific challenges for autonomous boats in the AI Class, and daily Tech Talks in open source. It is not just about performance, but a chance to assess the technical viability of prototypes in real-life conditions at sea. While the focus is on the new generation of engineers, the event also mobilises established players in the sector. For Peter Lürssen, CEO of the Lürssen shipyard, this collective dynamic is essential. “As a shipyard we have a duty to lead the way. Our commitment to promote renewable energy solutions and to protect the environment aligns perfectly with the objectives of this innovative event organised by Yacht Club de Monaco,” he says.

Technology trends in 2025

Among the 42 teams from 20 countries, some are pushing technology to its limits, particularly in the Energy Class where three major trends have emerged this year.

  • The integration of artificial intelligence in battery management systems to optimise the charge/discharge potential of each cell, thereby maximising performance and energy autonomy at sea.
  • The ongoing progress being made on hydrogen solutions with the arrival of a prototype equipped with an internal hydrogen-powered combustion engine, a significant step forward as it paves the way for retrofit solutions to existing boats. Adapting current engines to use hydrogen, rather than diesel, will significantly cut CO2 emissions while also limiting nitrogen oxides.
  • 50% of teams have developed toroidal propellors which increase efficiency but above all reduce underwater noise to protect biodiversity.

 

The other three classes in the Challenge are:

  • – AI Class: for fully autonomous boats that can perceive their environment, take decisions to avoid obstacles and navigate without human intervention. AI will help to support crews to improve safety and increase performance.
  • – SeaLab Class: akin to floating laboratories, the focus this year is on pioneering hydrogen technologies, notably with INOCEL co-founded by the explorer Mike Horn. This is its first marine demonstrator with a propulsion chain integrating an INOCEL hydrogen fuel cell system. It offers zero direct emissions, performance and autonomy comparable to its thermal equivalent, modular architecture, high-power density and quiet operation.
  • – Open Sea Class: for CE certified zero emission prototypes up to 25m that can embark at least three people. This category premiers new zero-emission boats aimed at the market.

 

Bespoke professional support

The industry is supporting these talented young people through the Corporate Mentoring Programme. For Tanguy Ducros, CCO of Monaco Marine, their involvement is self-evident: “The Ocean is our shared responsibility. Protecting it means promoting responsible practices and inspiring collective change for a better future,” he says. This year Monaco Marine is again supporting Hydrogadz–Capgemini Monaco Marine (Arts et Métiers), providing them with expertise and technical resources as follows:

* Guidance on organisational, project management and technical aspects;

  • * Making shipyard facilities and handling equipment available;
  • * Assistance with sea trials;
  • * Provision of mechanical workshops, electrics & production/delivery of parts;
  • * Putting them in contact with subcontractors.

 

Francesco Prazzo, General Manager SBM Offshore Monaco, also emphasizes the event’s collective human aspect: “As a long-standing partner of the Monaco Energy Boat Challenge it is much more than a commitment. It means believing in the bold ideas and talent of young people to invent the yachting of tomorrow and together build a strong Blue Economy to serve and preserve the oceans”.  A commitment reflected again this year in the support its given to several teams in the competition, including the British from Cambridge University Riviera Racing, the French from Polytech Nantes and the Indians from Team Sea Sakthi.

 

Meanwhile, the Job Forum puts companies into direct contact with young engineers. The energy transition depends on companies and will only happen if they have the talent and skills of young people to drive it in the future.

 

Energy Observer opens its doors

Moored in the YCM Marina, the catamaran Energy Observer welcomes participants and YCM members to visit the boat, and the publicFriday 4 July from 9.00am to 12 noon (subject to availability). The first self-sufficient vessel powered by a mix of solar, wind, hydro and hydrogen produced on board, since 2017 this floating laboratory has covered 68,000 nautical miles, visited 50 countries and proved the reliability of zero-emission technologies in a variety of conditions.

Un accompagnement professionnel sur mesure

Conferences focused on progress

This morning’s Advanced Yachting Technology Conference gathered industry and yachting players and researchers to take stock of tangible solutions for decarbonization and the technological transition. Underwater noise, clean propulsion AI, carbon capture, cybersecurity and energy efficiency are just some of the levers activated by the sector. All agreed on the need for a collective approach to accelerate adoption of these innovations. All the discussions are available on replay (https://energyboatchallenge.com/webtv-mebc/).

 

Tomorrow, Friday 4 July discussions will focus on the 6th Hydrogen and Alternative Fuels Conference, organised by the Prince Albert II of Monaco Foundation, the Energy Transition Mission and YCM. The programme includes hydrogen refuelling, storage technologies (liquid and solid state hydrogen), methanol’s potential for superyachts and the role of dual fuel engines in the energy transition: https://energyboatchallenge.com/webtv-mebc/

Prize as a springboard

Again this year, a major prize will reward tangible progress in energy efficiency and reducing emissions. The Prince Albert II of Monaco Foundation Sustainable Yachting Technology Award, worth €25,000, will be awarded to the team whose solutions stand out for their quantifiable impact. Last year it went to Physis Synergy (Politecnico di Milano). They developed a pod (electric propulsion system) that addresses the challenges of all recreational boats from small 5m rigid inflatable boats to 30-40-50m catamarans.

 

This week Monaco is once again positioning the country as a testing ground for maritime innovation, a unique opportunity to see in action the emergence of concrete proven solutions for a cleaner future for yachting.

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