The First Hydrogen Boat Energy Observer On A World Tour

The Energy Observer Project includes an experimental boat construction and a world tour expedition to be carried out using clean energy, aimed at producing concrete, innovative and successful solutions that will accelerate the transition to renewable energies. The project acts with the vision that a world where we can obtain our energy from nature without destroying and damaging nature is possible.

The project leaders are Victorien Erussard, a former offshore racer, and Jérome Delafosse, a marine researcher, diver and documentary producer, and are also captains of the boat.

Built in 1983, after a long and successful career in offshore sailing races, it was renovated to travel the world using renewable energies for the Energy Observer Project. A team of about 50 people consisting of engineers, designers and seafarers started the conversion and renovation works in 2015 and the boat was launched in April 2017. The energy required for the journey will be provided by the hydrogen fuel cell system, solar panel and wind turbines. Energy Observer, the first boat to sail using hydrogen only, obtains hydrogen from seawater with zero carbon emissions.


The project is also often referred to in the media as Solar Impulse of the Seas, referring to the world tour project of Bertrand Piccard and André Borschberg’s Solar Impulse , a world touring plane using only renewable energies .

Energy Observer, which left France on 15 July 2017 and started its world tour, will visit 50 countries during its 6-year journey, and anchor at 101 points.

  • Photovoltaic panels
  • Vertical axis wind turbines
  • Water purification system
  • Two-deck H 2 O compressors i
  • Smart kite
  • Electrolyzer
  • Hydrogen tanks
  • Fuel cells
  • Batteries (400V power) 
  • Propulsion motors with 97% efficiency

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