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International Windship Association | April 1, 2023

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Why this website?

“The International Windship Association (IWSA) facilitates and promotes wind propulsion for commercial shipping worldwide and brings together all parties in the development of a wind-ship sector to shape industry and government attitudes and policies.”

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Our Mission

Promote the use of wind propulsion in commercial shipping to reduce fuel consumption and decrease climate change related emissions.

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The International Windship Association (IWSA) is a not-for-profit, membership association. There are no commercial ties between the association and any of the members, supporters or non-member companies, notably Windship Technology Ltd.


Initiative of the Year - Finalist_IWSA  

The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails. ”           W.A. Ward

Twenty years from now, you will be more disappointed by the things you didn’t do than those you did. So throw off the bowlines. Sail away from safe harbor. Catch the wind in your sails. Explore. Dream. Discover.”            Mark Twain

Cargill – IWSA Associate Member

March 8, 2023 |

Founded in 1956 in Geneva, Cargill Ocean Transportation is a leading freight-trading organization and charterer of approximately 650 vessels at a time. Each year, our ships make around 4,500 voyages and move around 200 million tons of dry … Read More

Aurelia Design – IWSA Associate Member

February 26, 2023 |

Aurelia made 3 proposals to boost the actual speed from 10.2 knots:

  • Rotors
  • Wind Sails
  • Add Hydrogen Powered Solution

Another key points for the project:

  • Low interference with operational profile
  • Smart design to storage … Read More

Navalt Solar and Electric Boats Pvt Ltd. – IWSA Supporter

February 24, 2023 |

  • Navalt is an eco-marine tech company that specialises in the manufacturing of solar electric vessels.
  • We specialize in electrifying the maritime industry by building solar electric vessels of stellar quality and state-of-the-art technology.
  • We are India’s … Read More

McFarlane ShipDesign – IWSA Full Member

February 24, 2023 |

Since 1992, McFarlane ShipDesign has been supplying quality design, naval architecture, and marine engineering to ship owners and shipyards across the globe. We are composed of professional engineers, designers and naval architects specializing in small cruise ships, large … Read More