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20/01/2026 by secretary

Maersk Tankers have installed the first of five MR tankers with four 24, m high suction sails supplied by Spanish company, Bound4Blue. The 183m, 49,828dwt, MT Maersk Trieste was outfitted at the EDR Shipyard in Belgium after having undergone preparatory work at the Yiu Lian Shipyard in Shenzhen, China.

Read more…

Filed Under: Wind Propulsion, Wind-assist, Installation

13/01/2026 by secretary

The South Korean shipping company HMM has officially commenced sea trials for its first Wind-Assisted Propulsion System which is a domestically developed rigid wing sail. the system has been installed on the MT Oriental Aquamarine, a 50,000-dwt Medium Range (MR) tanker, which began operational voyages with the technology last week. The system has been developed by HD Korea Shipbuilding & Offshore Engineering (HD KSOE).

HMM plans to evaluate the performance of the sail over the next two years and then will consider expanding its adoption across the companies entire bulk carrier fleet.

Read more…

Filed Under: Wind Propulsion, Wind-assist, Announcements, Technology, Installation

01/01/2026 by secretary

A Very Happy New Year – we hope that 2026 will deliver on it’s great potential to be the breakout year for wind propulsion system uptake with the technology segment surpassing 100 large ship installations by the end of Q1, 2026 (c.5 million dwt) and approaching 200 ships by the year’s end.

This will deliver multiple reference ships across many of the sub segments within the key bulker, tanker and general cargo markets so that shipowners will increasingly be able to compare installations and performance across ship size, vessel configuration and operational profiles.

We look forward to a busy and energetic 2026 with wind propulsion firmly in the ship energy ‘horse race’.

[Note: The graphic follows the Japanese tradition of following the Chinese Year Zodiac, but starting the New Year following the Western Calendar]

Filed Under: Decarbonisation, Wind Propulsion, Announcements

20/12/2025 by secretary

In late December, Netherlands based Amasus Shipping completed it’s second wind propulsion installation of one of bound4blue’s 22 metre eSAIL suction sails on the 90, 4,200 dwt Fluvius Tavy general cargo vessel at Astander Shipyard in Santander, Spain. Read more…

 

Filed Under: Wind Propulsion, Wind-assist, Installation

19/12/2025 by secretary

The IWSA Secretary General spent much of December travelling through North East and South East Asia attending MARINTEC in Shanghai, presenting at seminars in China and South Korea and having extensive meetings in Japan and Singapore. Here he shares some of his reflections on those three weeks.

Reflections from Asia

I have spent the last three weeks travelling through Asia (China, Japan, South Korea and Singapore) having hundreds of conversations, 20+ meetings with shipowners, shipyards, ports and wind OEMs. I have helped deliver the wind message at a handful of seminars and visited a number of wind propulsion development companies and projects along the way.

Every day is a learning day, and here are three things that I have been very impressed by during my travels:

🔑 Wind as a key strategic sector
Throughout my trip this message has been reinforced, whether there is a global #decarbonisation framework in place next year or not, the IMO and the #shippingindustry has a net zero strategy in place and #windpropulsion is going to be vital pillar in delivering on that. That was really heartening to hear and of course aligns with our mission and messaging too.

📈 Scalability and speed
The speed of development in the wind propulsion segment in Asian regions doesn’t always make headlines, in the past much of the media oxygen has been taken up with breathless treatise expounding on new ‘fuel’ development. However, that has masked a rapid development that continues unabated. There is a pragmatic mind set that was evident at every turn, searching out today and near future solutions and finding ways to nurture and grow. Production capacity is growing both from domestic producers and international tie ups, with current capacity in China alone reaching 500+ units per year. We had the official launch of a CSSC-SDARI rotor sail product during Marintec China and I visited the testing facilities for a Hanwha Ocean rotor sail to be first deployed on a LNG carrier in the next year or so. Yard experience for installations is growing too so these economies of scale and learning curve are bringing costs and lead times down.

🏫 Knowledge dissemination
Thus, there is growing dissemination of technical information and the foundations in place for the dissemination of the technology but one question was asked quite regularly – When will more publicly released data be available to grow the market?
I had many discussions about that and found once we drilled down a little further a similar issue with other markets. Widespread performance data is required but that is needed mainly by later adopters who are sceptical of new systems rather than customers who have done the due diligence themselves and then made early commercial decisions to buy.
It is recognised that the data flow is improving and will take a leap forward once that data can be further aggregated and anonymised which will naturally start to take place with 100-200 ships in operation with wind over the coming 12-18 months.

This is quite clearly understood by the Asian maritime stakeholders I met with but there is also an eagerness, an excitement and daresay an impatience to move forward at pace and accelerate towards a wind propelled future for ships and shipping – Bravo!!!

 

Filed Under: Decarbonisation, Wind Propulsion, Technology, Event, Policy

05/12/2025 by secretary

Idemitsu Tanker Co., Ltd., the shipping arm of Idemitsu Kosan, have announced their agreement to equip two VLCC tankers with two 35x5m  Norsepower rotor sails with the first newbuild ship scheduled for delivery in 2028. Read more…

Filed Under: Wind Propulsion, Contract Announcement

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