Bureau Veritas approves WindWings® effective power for UML AeroPower vessels, supporting Pwind compliance within FuelEU Maritime framework

Bureau Veritas Marine & Offshore (BV) has completed a technical review confirming BAR Technologies’ calculation of available effective power of the two 37.5m WindWings® of 760m² installed on the tankers as part of UML AeroPower LR2 program.

The approval confirms that BAR Technologies’ computational fluid dynamics (CFD) approach and resulting force matrix align with IMO Guidance for innovative energy-efficiency technologies, providing shipowners with a recognized pathway to quantify the propulsive contribution of WindWings® installations under IMO frameworks.

Following a detailed technical review, Bureau Veritas concluded that BAR Technologies’ submission is acceptable across all assessment categories, including CFD code specification, boundary conditions, grid independence, validation against experimental data, and the generation of installation-specific force matrices.

The outcome provides a transparent, class-reviewed calculation of wind-assisted power contribution without the need for extended full-scale testing.

WindWings® technology is already in commercial operation across the Union Maritime fleet, including on the AeroPower vessels Brands Hatch and SPA. Meanwhile, the AeroPower newbuild program at Xiamen Shipbuilding Industry (XSI) continues to advance. Construction is underway on the first 113,600 dwt vessel, with additional LR2 and MR2 tanker projects in development at major shipyards across Asia.

As vessels trade and newbuild programs advance, wind propulsion is being integrated into mainstream bulker and tanker construction rather than confined to isolated installations. Bureau Veritas’ approval provides a support to methodological consistency required to support scale in these and other vessel types.

John Cooper, CEO of BAR Technologies, said: “WindWings® are already delivering in commercial service. What this approval does is formalize how that performance is assessed and recognized by class. Owners don’t need promises — they need certainty. A consistent, class-recognized methodology provides that certainty.”

Lauren Eatwell, Head of WindWings® at BAR Technologies, added: “As WindWings® continue to be adopted in larger tanker programs, consistency in performance validation becomes critical. This approval ensures that the engineering analysis behind each installation is assessed to recognized standards, supporting predictable integration across vessel series.”

As fleet renewal continues and tanker newbuild programs expand, approvals such as this reinforce that wind propulsion can be incorporated into large-scale shipbuilding projects with technical rigor and regulatory clarity.