The wind-assisted shipping sector has reached a notable milestone, with more than 100 vessels now either equipped with wind propulsion technology or formally classified as wind-ready, according to the International Windship Association (IWSA). Together, these ships represent a combined capacity exceeding six million deadweight tonnes.
The figures were shared by the IWSA ahead of the Posidonia 2026 trade fair in Athens, scheduled for next month, where 20 IWSA member companies are set to exhibit or participate in wind propulsion-related events.
A Near Three-Fold Increase Since Posidonia 2024
According to Ship & Bunker, the current count marks a near three-fold increase compared to the previous Posidonia exhibition in 2024, reflecting what the IWSA describes as rapidly growing commercial interest in wind-assisted propulsion solutions.
IWSA Secretary General Gavin Allwright noted the pace of progress, stating: “So far this year, we have witnessed new project announcements, order confirmations, and installation celebrations almost every week. This is a technology sector and renewable energy solution that is clearly moving into a phase of large-scale commercial adoption.”
From Individual Ships to Fleet-Wide Strategies
Wind propulsion systems — which include technologies such as rigid sails and other wind-capture devices — harness wind energy to assist vessel propulsion, with the goal of reducing bunker fuel consumption and associated emissions.
The IWSA also highlighted a shift in how shipowners are approaching the technology. Rather than trialling wind propulsion on single vessels, operators are increasingly pursuing fleet-wide investment strategies, suggesting a transition from pilot projects to broader operational integration.
Does This Matter to You?
For vessel operators, charterers, and bunkering professionals, this trend carries practical relevance. As more ships move toward wind-assisted propulsion, fuel consumption profiles may shift, potentially affecting bunker demand patterns and procurement planning for affected routes and vessel types.
For those involved in emissions compliance — particularly under frameworks such as FuelEU Maritime or the EU Emissions Trading System — wind propulsion deployments represent one route to reducing fuel intensity and associated compliance costs. The move toward fleet-wide adoption, as noted by the IWSA, suggests this is no longer a niche consideration but an emerging operational reality for parts of the global fleet.
Ports and bunkering hubs with high traffic from wind-equipped vessels may also see gradually evolving demand dynamics, though the scale of impact will depend on deployment rates going forward.
Gulf Bunkering does not provide operational or security guidance. This article is for informational purposes only. Operators should consult flag state authorities, P&I clubs, and relevant advisories for decisions relating to transit planning.
Sources: Ship & Bunker
