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Tracking the development pipeline of ammonia-ready vessels

In vessel news this week:

  • Samsung Heavy Industries’ ammonia-powered, ultra-large ammonia carrier design has been granted AiP by Korean Register.
  • Pherousa Green Shipping’s new fleet of six Ultramax vessels will be developed alongside partner OSM Thome.
  • And Avance Gas has triggered the option of two mid-sized LPG/ammonia carriers, noting growth in global seaborne ammonia trade.

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New marine engine partnerships to accelerate deployment

Expected to become commercially available in 2025, WinGD’s X-DF-A ammonia powered engines will be fitted on Samsung Heavy Industries’ newbuild vessels. Eastern Pacific Shipping expects its ammonia powered Newcastlemaxes and VLAC fleet to be delivered from 2026 onwards, after signing a series of agreements with MAN Energy Solutions and other key partners.

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Leakage-free bunkering & ammonia-ready newbuild vessels

In Japan, NYK and TBG will develop a new ammonia bunkering boom to help reduce ammonia leakage during fuel transfers. On the newbuild front, Stolt Tanker’s six newbuild vessels will have the option of being retrofitted for ammonia propulsion, including the recently delivered Bochem Houston. Wallenius’ four “next generation” vessels will be initially methanol powered, with the option to run on ammonia.

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China: scaling-up “flexible” ammonia production powered by renewable energy

The cost gap between fossil-based ammonia production and electrolysis-based ammonia production in China is arguably the smallest in the world. In our May episode of Ammonia Project Features, we explored two new, “flexible” renewable ammonia projects being developed in northeast China, as well as some of the engineering challenges as we scale-up electrolysis plants to gigawatt-sized.

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Cracking-based propulsion systems, new vessels on order

Norwegian technology developer Pherousa announced that it has developed & validated an ammonia cracking-based propulsion system, with plans to order six Ultramax vessels fitted with the technology. Grieg Maritime has ordered up to four ammonia-ready bulk carriers from China State Shipbuilding Corporation for delivery in 2026. And a new container ship design has been unveiled by the Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping.