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International Windship Association | July 14, 2024

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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

Odfjell Management – IWSA Full Member

March 15, 2024 |

Odfjell has actively pursued energy efficiency for many years, and the long-term efforts have significantly reduced the fleet’s emissions. We have retrofitted more than 135 energy saving devices (ESD) since 2014, and line up for more than 50 … Read More

GT Green Technologies – IWSA Associate Member

February 9, 2024 |

AirWing™ utilises a novel airflow manipulation technology, designed to maximise thrust output from a compact and lightweight unit. This innovation makes AirWing™ uniquely suitable for retrofit applications and vessels with limited available deck space.

As wind propulsion experts, … Read More

Seven Ocean Research – IWSA Associate Member

February 8, 2024 |

No direct activity but I support assisted wind propulsion and have worked on a 109 m sailing passenger yacht for 6 years (SY Sea Cloud)

IWSA Associate Member

Read More

Fraunhofer IWES – IWSA Associate Member

February 8, 2024 |

The Fraunhofer Workgroup Sustainable Maritime Mobility is a close collaboration under joint management between the University of Applied Sciences Emden/Leer and Fraunhofer IWES to boost research and development for sustainable shipping. The teams in Leer and Bremerhaven are … Read More