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DNV: IMO Sub-Committee on Ships Systems and Equipment (SSE 9)

An increasing number of ports require or encourage ships to use shore power instead of fuel oil; draft of interim guidelines intends to prevent accidents in relation to ships’ connections to shore power.

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Classification society DNV on Monday (6 March) published a technical and regulatory article on the 9th session of the IMO’s Sub-Committee on Ship Systems and Equipment (SSE 9), where a draft of the new interim guidelines of onshore power supply services in ports was agreed. The following an excerpt of the article:

The 9th session of the IMO’s Sub-Committee on Ship Systems and Equipment (SSE 9) was held from 27 February to 3 March 2023. SSE 9 finalized the draft of new SOLAS requirements to minimize the incidence and consequences of fires on Ro-Ro passenger ships, and to require ventilation of totally enclosed lifeboats. The revision of the Code of Safety for Diving Systems to enhance the safety of divers in fixed and portable diving systems was completed, and the draft of the new interim guidelines on safe operation of onshore power supply services in ports was agreed.

Relevant for shipowners, managers, seafarers, maritime training institutes and flag states.  

Meeting highlights

  • Finalized draft amendments to SOLAS Chapter II-2 related to fire safety on Ro-Ro passenger ships
  • Finalized draft amendments to the LSA Code and related IMO instruments to require ventilation of totally enclosed lifeboats
  • Finalized the draft of the revised Code of Safety for Diving Systems
  • Finalized the draft of interim guidelines on the safe operation of onshore power supply (OPS) service in ports
  • Agreed on draft amendments to SOLAS Chapter II-2 to require fire detection and fire alarm systems for all control stations and cargo control rooms on cargo ships

Onshore power supply

SSE 9 finalized the draft of interim guidelines on the safe operation of onshore power supply (OPS) service in port. 

Following the global efforts to reduce air pollution from ships, an increasing number of ports require or encourage ships to use shore power instead of fuel oil. The draft of the interim guidelines intends to prevent accidents caused by operational errors in relation to ships’ connections to shore power.

The draft of the interim guidelines will be submitted to MSC 107 (June 2023) for approval.

Unified Interpretations 

Reliability of essential propulsion components

SOLAS Regulation II-1/26.2 requires the Administration to give special consideration to the reliability of single essential propulsion components and may require a separate source of propulsion power sufficient to give the ship a navigable speed, especially in the case of unconventional arrangements.

SSE 9 agreed on a draft interpretation of SOLAS Regulation II-1/26.2 to clarify its application to single shaft-line electric propulsion systems. The draft interpretation addresses the risk of permanent loss of propulsion for ships without additional propulsion units in case of a non-repairable single failure in the winding of an electric propulsion motor.

Note: The full copy of the technical and regulatory article can be found here.

 

Photo credit: Cameron Venti from Unsplash
Published: 13 March, 2023

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Biofuel

GREENMARINE and Vertoro to accelerate adoption of lignin-alcohol as marine fuel

Like fossil oil, liquid lignin can be used as a platform for fuel, chemical and material applications.

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Methanol marine fuels consultancy GREENMARINE and Vertoro, a Maersk-backed Dutch start-up focused on developing liquid lignin technology which can be used as a bunker fuel, has signed an agreement to jointly accelerate the market validation and commercial roll-out of lignin-alcohol as sustainable marine fuels.

“We at GREENMARINE Group are excited to join forces with Vertoro to bring their revolutionary lignin alcohol blend fuel to market,” said Fredrik Stubner, founder and CEO of GREENMARINE Group.

“This breakthrough technology redefines sustainable maritime fuels, delivering environmental benefits and cost efficiencies, paving the way for a greener, more competitive shipping industry.”

Dr. Michael Boot Boot, co-founder & co-CEO Vertoro, replied, “GREENMARINE Group has an excellent track record as a match maker for green fuel producers with engine manufacturers and shipping companies, opening many doors for us on both the fuel validation and offtake side.”

Vertoro, founded in 2017, produces liquid lignin exclusively from sustainably sourced forestry and agricultural residues by means of a patented thermochemical process. Like fossil oil, liquid lignin can be used as a platform for fuel, chemical and material applications.

Related: Maersk invests in Dutch start-up Vertoro to develop green lignin marine fuels

 

Photo credit: CHUTTERSNAP from Unsplash
Published: 11 July 2025

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Newbuilding

Singapore: Pinnacle Marine’s first B100 fuelled utility boat starts 1,000-hour research trial

Newbuilding operated by Prestige Ocean Pte Ltd will capture data on bunker fuel emissions, marine fuel behaviour, and performance.

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The 50th vessel constructed by local boat builder Pinnacle Marine (Singapore) Pte Ltd, namely President 100, is starting 1,000 hours of real-time research trials in collaboration with several parties from Wednesday (9 July) onwards, it says.

Powered by B100 biodiesel, the newbuilding operated by Prestige Ocean Pte Ltd will capture data on bunker fuel emissions, marine fuel behaviour, and performance.

It will be participating in trials with Maritime Energy & Sustainable Development Centre of Excellence (MESD), Weichai Singapore, China Classification Society, Pacific International Lines (PTE) Ltd, Abo Shoten, Ltd. / 株式会社安保商店 , Abo Singapore, Wilmar International, Gulf Marine, Amspec Testing & Services, and AYK Engineering and Consulting.

President MT 02

The President 100, Pinnacle Marine’s first full biodiesel utility boat, was launched on Tuesday in the presence of over 100 guests.

“Our latest vessel, President 100, merges legacy and future. Named after our first aluminium boat (“President”) and inspired by B100 biodiesel, it leads the charge for our next 50 vessels — many of which will embrace green technology,” stated Pinnacle Marine in a LinkedIn post.

“The launch was amazing, with strong turnout from across the maritime sector — authorities, shipowners, operators, agencies, chandlers, researchers, offshore engineers, and petrochemical suppliers.”

It added: “We’re excited to see how it paves the way for wider adoption of B100 biodiesel — a cleaner, sustainable path for Singapore’s harbour craft sector.”

 

Photo credit: Pinnacle Marine (Singapore) Pte Ltd
Published: 9 July 2025

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Newbuilding

BHP awards charter contracts for two ammonia dual-fuelled bulk carriers

BHP continues to work with the maritime industry to develop an ammonia bunkering plan for the two vessels when they are delivered from 2028.

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BHP ammonia DF charters

Global resources company BHP on Wednesday (2 July) signed contracts with COSCO Shipping Bulk Co., Ltd., a subsidiary of COSCO shipping Group (COSCO Shipping) for the charter of two ammonia dual-fuelled Newcastlemax bulk carriers.

The new vessels to be built under this arrangement will be two of only a handful of vessels in the world capable of using ammonia as a bunker fuel.

The two vessels, expected to be delivered from 2028, will primarily transport iron ore from Western Australia to Northeast Asia.

When run on lower or low to zero greenhouse gas (GHG) emissions ammonia, these vessels will be capable of reducing GHG emissions by at least 50% and up to 95% on a per voyage basis compared to a conventionally fuelled voyage.

The five-year time charter contracts are expected to contribute towards a reduction in the GHG emissions intensity of BHP chartered shipping.

BHP continues to work with the maritime industry to develop an ammonia bunkering plan – the process of fuelling ships with ammonia – for the two vessels when they are delivered from 2028.

Sourcing lower and low to zero GHG emissions ammonia is subject to an ongoing tender process.

 

Photo credit: BHP
Published: 9 July 2025

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