Menu

Ireland's sailing, boating & maritime magazine

RBC Brewin Dolphin proudly supporting Afloat and Irish Boating

Grain de Sail III Set to Debut as Pure Wind Container Ship

5th August 2026
Artist's impression of the 110-metre Grain de Sail III fully wind-powered container ship
Artist's impression of the 110-metre Grain de Sail III fully wind-powered container ship

A new generation of commercial sail cargo shipping will be showcased during Climate Week NYC next month when French operator Grain de Sail unveils plans for Grain de Sail III, described as the world's first fully wind-powered container ship.

The project marks a major step up from the company's existing transatlantic cargo sailing vessels and could provide a glimpse of how low-carbon shipping may evolve over the coming decade.

The unveiling will take place aboard Grain de Sail II at New York's Pier 17 on September 23, where journalists will tour the operational vessel before being presented with the new design.

According to Grain de Sail, the new vessel will be a 110-metre (360ft) cargo ship capable of carrying around 200 containers with a payload approaching 3,000 tonnes, while crossing the Atlantic in about 13 days.

Unlike many modern merchant ships that use wind only as auxiliary propulsion, Grain de Sail III has been designed to rely almost entirely on wind power for ocean passages.

The vessel will employ three large rigid reefable sails providing approximately 4,000 square metres of sail area. Auxiliary power will be retained primarily for harbour manoeuvres and restricted waters.

The company says operational experience gained from its first two cargo sailing ships has demonstrated that larger vessels are needed to reduce transport costs while maintaining very low carbon emissions.

Grain de Sail estimates the new design could reduce carbon emissions by more than 90 per cent, producing between one and two grams of CO₂ per tonne-kilometre, significantly below conventional shipping.

Company president Olivier Barreau said the project demonstrates the firm's ambition to expand commercial wind-powered transport.

"To democratise wind-powered transport, we need to scale up, and that's exactly what we are preparing to do with a pure wind-powered container ship."

For Irish readers, the project reflects growing international interest in decarbonising Atlantic shipping and illustrates how commercial sail propulsion is moving beyond niche cargo operations towards mainstream container transport.

Published in Ports & Shipping
Afloat.ie Team

About The Author

Afloat.ie Team

Email The Author

Afloat.ie is Ireland's dedicated marine journalism team.

Have you got a story for our reporters? Email us here.

We've got a favour to ask

More people are reading Afloat.ie than ever thanks to the power of the internet but we're in stormy seas because advertising revenues across the media are falling fast. Unlike many news sites, we haven't put up a paywall because we want to keep our marine journalism open.

Afloat.ie is Ireland's only full-time marine journalism team and it takes time, money and hard work to produce our content.

So you can see why we need to ask for your help.

If everyone chipped in, we can enhance our coverage and our future would be more secure. You can help us through a small donation. Thank you.

Direct Donation to Afloat button