Powering global seaborne trade with abundant direct wind energy.
The International Windship Association (IWSA) is the trade association for wind power in shipping.
Find out more about the AssociationLatest News
5 March 2026
EU Industrial Maritime Strategy
The International Windship Association welcomes the recognition that wind propulsion is an important technology segment which it receives in the newly released EU Industrial Maritime...
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1 March 2026
BlueWeek 2026 – Marseille, France
28 February 2026
ship.energy survey 2026
26 February 2026
CEVA Logistics Introduce Wind-Powered Shipping Services
Why Wind?
Wind Propulsion Technology
is Mature and Proven
- Propulsion not Energy Efficiency
- Wind-Assist & Primary Mover
- Retrofits = 5-20% Propulsive Energy
- Optimised Wind-Assist = up to 30%
- Primary Wind New Builds = 50%++
- Retractable, Automated, Certified
The Economics of
Wind Make Sense
- Energy Cost Fixed at Zero
- Technology Available Today
- Applicable Across the Fleet
- Robust Pipeline of Tech & Projects
- Operational Changes Boost Wind
- Predictable: Weather Routing/Forecast
It’s a Renewable
Energy Source
- Abundant Energy Supply
- Available Worldwide Today Zero Emissions Energy
- Delivered at No Cost
- Delivered Directly to Point-of-Use
- No New Infrastructure Required
850
Number of large ships with wind propulsion technology installed
5.143.9260
Tonnage of wind-powered cargo carrying capacity
172.6500
Tons of CO2 saved
Upcoming Events
Event Date: 7-10 April 2026
Blue Week – Natural Propulsion Seminar 2026
Event Date: 17 September 2025
Wind Propulsion Seminar – LISW 2025
Event Date: 15 September 2025
The Marine Energy Transition Forum 2025
Event Date: 18 September 2025
SAFETY4SEA to host 5th London Forum during London International Shipping...
