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Decarbonisation

DNV: How to develop and implement a successful decarbonization strategy

DNV details how it developed a comprehensive decarbonization strategy together with tanker owner International Seaways including a detailed decarbonization plan for every vessel.

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DNV: How to develop and implement a successful decarbonization strategy

Classification society DNV on Tuesday (16 July) published a Maritime Impact article on tanker owner International Seaways’s decarbonization journey with the support of DNV:

International Seaways, Inc. embarked on an ambitious journey to put its entire tanker fleet on course for decarbonization, supported by DNV. An overall strategy and decarbonization plans for all vessels will help the company to achieve regulatory compliance in a cost-effective way while reducing business risk.

Achieving greenhouse gas emission compliance for an entire fleet of vessels can be a very complex task, both methodically and financially, and knowing where to start is not the easiest part of it. This is why DNV’s Maritime Advisory team offers a structured approach that helps shipowners develop a fleet-wide decarbonization plan – and engage the organization to support it.

A fast follower: Putting sustainability centre stage

International Seaways, Inc. (INSW) is a well-known New York-based tanker owner with a fleet of roughly 80 vessels of various types and sizes. The company has worked with DNV for many years and turned to DNV for support with its decarbonization strategy and plans. “We are a listed public company, so we have to be very thoughtful about how we invest our money,” explains William Nugent, Senior Vice President and Chief Technical and Sustainability Officer at International Seaways. “Our shareholders expect us to be careful stewards of their investments.”

Seeing the broader trends in the industry and the global drive to decarbonize, INSW wants to be “a fast follower”, he adds. “This means that we need to look at how our existing and future fleet matches IMO’s and Europe’s decarbonization intentions and especially those of our stakeholders.” Sustainability criteria are typically embedded in today’s finance agreements, he points out, lauding the Poseidon Principles, which have helped create a level playing field for the shipping world.

DNV’s strategy report: Guiding INSW towards compliance

The purpose of the fleet-wide decarbonization strategy and plans DNV developed jointly with INSW was to enable the company to meet or exceed the IMO decarbonization trajectories and EU regulations in an economically feasible manner while minimizing business risk. DNV delivered a strategy report to provide INSW with a solid understanding of the regulatory environment and the available options to achieve compliance, including operational optimization recommendations for the years to come. Furthermore, the delivery included a fuel performance management report as well as a roadmap and capital expenditure schedule for every single vessel, delivered on DNV’s Veracity platform.

Periodical updates keep decarbonization plans relevant

Lois Zabrocky, President and Chief Executive Officer of International Seaways, summarizes the objectives: “Of course, we want a plan to reduce our emissions and extend the lifetime of the vessels as much as possible. Today, we have a plan to … look at the trajectory of our emissions and all the available opportunities for us to decarbonize.”

As a living document, the decarbonization plan is reviewed and updated periodically with help from DNV as the INSW organization builds knowledge, experience and confidence.

Alignment throughout the enterprise and beyond

“The first step we embarked on together with DNV was taking the temperature of the organization,” recalls Nugent. All parts of the INSW organization from the CEO down to the crews, along with external partners such as commercial vessel management and charterers, were asked to participate in surveys to provide their views of INSW, their current decarbonization efforts and related questions. “We also conducted a technical review across the fleet and updated our educational processes for the whole organization around what decarbonization means, the goals, issues and challenges,” says Nugent.

Turning evaluation insights into actionable decarbonization plans

“This stepwise effort, guided by DNV, was thoughtful, well-timed and in-depth; it highlighted areas where we were very strong and others where we had work to do. It was presented in a way that was clear, concise and solution-oriented.” The resulting insights enabled INSW to benchmark the company against decarbonization best practices and put in place the decision tools to change the internal dialogue around decarbonization, which took many workshops and meetings involving all levels of the organization. “DNV took an industry’s worth of insights, feedback and knowledge and turned it into something very specific and actionable for International Seaways,” says Nugent.

Note: The full article titled ‘Decarbonization in action: The successful journey of International Seaways with DNV’ can be found here

 

Photo credit: International Seaways
Published: 18 July 2024

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LNG Bunkering

LNG bunkering at Port of Barcelona increases by 60.5% on year in 2024

Port said 229,750 cubic metre of LNG were supplied at the port in 2024, achieving an increase of 60.5% compared to 2023 and a total of 491 LNG bunkering operations were carried out at the port.

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LNG bunkering at Port of Barcelona increases by 60.5% on year in 2024

The Port of Barcelona on Wednesday (5 February) said 229,750 cubic metre (m³) of LNG were supplied at the port in 2024, achieving an increase of 60.5% compared to 2023.

The Port said the achievement placed Barcelona as the leading port in the state - with 40% of the total m³ of LNG supplied - and one of the first in Europe in LNG bunkering. 

In 2024, a total of 491 LNG bunkering operations were carried out for ships, of which 402 were via tankers trucks, with 45,427 m³ supplied, and 89 were ship-to-ship (STS) transfers from barges, with 184,324 m³ delivered. 

Of the 8,398 ship calls at the Port of Barcelona during 2024, 822 calls were from ships using LNG, about 10% of the total calls at the port.  

The ships that have received LNG bunker fuel in Barcelona have been mainly cruises and ferries, reaching close to 23% and 19% of the calls of both types of ships and contributing to a reduction in nitrogen oxide (NOx) emissions of 20% for cruises and 18% for ferries. 

The top cruise companies have incorporated LNG-powered ships into their fleets, a good number of which operate regularly in Barcelona. During 2024, a total of 1,664,712 cruise passengers (45.5%) passed through Barcelona on board an LNG-powered cruise ship.

The increase in bunker supply of 60.5% has been possible due to several factors: 

  • the presence of the LNG supply barge based in the Haugesund port Knutsen, from the company Knutsen-Scale Gas,
  • the commitment of the shipping company Baleària to LNG, provided by several tanker trucks at the same time,
  • and the incorporation of new types of ships that use LNG in the port, notably car carriers. The Lake Herman ship, from Japanese shipping company MOL, was the first vehicle carrier to carry out LNG bunkering at the Port of Barcelona, ​​followed by four more ships of the same service, to which two new ships have been added at the beginning of 2025. 

During 2024, the fast ferry Margarita Salas, powered by dual LNG engines, was also added. Operated by Baleària, this ship began operating last June, connecting Barcelona with Mallorca and Menorca at high speed. This new connection reinforces the commitment to integrating LNG into passenger transport and significantly reduces the emissions generated on this route.

The Port of Barcelona said it will continue to facilitate the introduction of LNG with measures such as administrative simplification to facilitate the authorisation of LNG bunkering operations; and the availability of generic risk analyses to be able to expand these operations to other types of ships. 

During 2025, new risk analyses will be carried out to allow the supply of LNG to container ships, for which the port has already received interest from supply operators.

 

Photo credit: Port of Barcelona
Published: 7 February, 2025

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Shipping Corridor

Clear plan developed for Stockholm-Turku green shipping corridor

After a year of cooperation, Viking Line, Port of Turku and Ports of Stockholm said they have now laid a solid foundation for the green corridor project and developed a clear plan for a common way forward.

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Clear plan developed for Stockholm-Turku green shipping corridor

Viking Line, Port of Turku and Ports of Stockholm on Thursday (6 February) said they have now laid a solid foundation for a green shipping corridor project and developed a clear plan for a common way forward.

This comes after working together for a year on the project which aims to establish a green, fossil-free shipping corridor between Stockholm and Turku. 

On the anniversary on 6 February, the parties and a large number of invited stakeholders gathered for an open seminar in Turku, Finland. Results, experiences, challenges and opportunities were discussed based on the common goal of establishing a green maritime corridor between Stockholm and Turku by 2035.

Magdalena Bosson, CEO Ports of Stockholm, said: “We are very pleased with the cooperation and the work done during the first year.”

“We have been investing in onshore power supply infrastructure for ships for many years and Viking Line is one of the pioneers. Now we are further sharpening our goals together with the other parties to establish a fossil-free shipping corridor between Stockholm and Turku.”

Jan Hanses, CEO Viking Line, said: “We are proud to be part of this important co-operation project for a cleaner Baltic Sea. Our most significant investment so far is to offer all our passengers and freight customers biofuel for transport between Stockholm and Turku, reducing emissions for their journeys by 90%.”

“In addition, a possible battery installation and Elogrids, which reduces energy consumption, are important elements of our work in the coming years.”

Elogrids is a grid system installed on the ship's hull to reduce resistance and improve fuel efficiency. It optimises water flow and reduces turbulence, resulting in lower energy consumption.

Erik Söderholm, CEO Port of Turku, said: “A green shipping corridor gives us the opportunity to promote sustainable development and reduce the environmental impact of shipping.”

“During the past year, we have started more detailed planning of measures related to the green shipping corridor, such as updating our carbon footprint calculation and preparing for the development of charging stations for heavy traffic.”

During the first year, the parties have identified and prioritised the most important goals and measures to reduce carbon dioxide emissions in shipping. 

A clear project plan with activities has been developed, including:

Viking Line

  • Pre-study of battery installation on Viking Grace and Viking Glory
  • Installing Elogrids on the vessels
  • Increase sales of biogas supplements for transport between Stockholm and Turku

Port of Turku

  • Study and pilot project for onshore power supply at the quay
  • Zero emissions from Viking Line vessels at berth
  • Guidelines and incentives for port operators for zero emissions
  • In collaboration with external actors, develop concepts that link the green shipping corridor with sustainable transport from and to the port on land
  • Opportunity for shipping companies to bunker sustainable fuels

Ports of Stockholm

  • Zero emissions from Viking Line vessels at the quayside
  • In collaboration with external actors, develop concepts that link the green shipping corridor with sustainable transport from and to the port on land
  • Opportunity for shipping companies to bunker fossil-free fuels

 

Photo credit: Ports of Stockholm
Published: 7 February, 2025

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Alternative Fuels

CSA launches Singapore’s largest electric supply boat, lays keel of fully electric tug

These electric vessels are amongst the first and largest local electric harbour craft designed for operations in Singapore’s waters, says Coastal Sustainability Alliance, led by Kuok Maritime Group.

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CSA launches Singapore’s largest electric supply boat, lays keel of fully electric tug

The Coastal Sustainability Alliance (CSA), an industry collaborative effort led by Kuok Maritime Group (KMG), on Wednesday (5 February) marked a significant achievement with the launch of its first fully electric supply boat (e-supply boat) from shipyard to water and keel lay of its first fully electric tug at PaxOcean Batam.  

CSA said these electric vessels are amongst the first and largest local electric harbour craft designed for operations in Singapore’s waters. The e-supply boat is launched ahead of the nation’s goal for all new harbour craft to be fully electric or compatible with net-zero fuels by 2030. 

CSA launches Singapore’s largest electric supply boat, lays keel of fully electric tug

Mr Tan Thai Yong, Managing Director and CEO, PaxOcean Group and Chairperson, CSA, said: “The launch of the PXO-EXL-1 e-supply boat is a testament to our commitment to decarbonising Singapore’s coastal logistics ecosystem. This vessel demonstrates what CSA can achieve when industry players, researchers, and regulators come together to innovate and collaborate. Together with the keel lay of the PXO-ACE-1 electric tug, these milestones bring us closer to achieving a green and operationally efficient maritime sector.”

Mr Kenneth Lim, Assistant Chief Executive (Industry & Transformation), Maritime and Port Authority of Singapore (MPA), said: “Today, we witness the fruits of industry and researchers’ partnerships and collaboration in driving maritime decarbonisation, and advancing energy efficient solutions for Maritime Singapore. MPA is glad to celebrate the launch of Coastal Sustainability Alliance (CSA)’s first fully electric supply boat and the keel lay of the electric tug, and is committed to working with industry partners like CSA to achieve Singapore’s sustainability and decarbonisation goals.”

The PXO-EXL-1 Electric Supply Boat is capable of cruising at 8 knots in zero-emission operations while maintaining operational reliability. Coupled with an efficient hull design and operationally efficient marine logistics, the vessel can achieve 60% energy savings over a conventional lighter making multiple trips, providing significant costs and carbon emissions reduction for the industry.

Supported under the MPA Maritime Innovation and Technology Fund, the 50T bollard pull PXOACE-1 electric tug incorporates advanced technologies for propulsion, energy storage, and battery management systems. The product development is supported by digital twin models with research collaborators to enhance confidence in an electric tug to meet operational requirements within the Port of Singapore. The tug will be future fuel-ready for zero-carbon fuels.

The CSA will bring together international shipping agencies to explore offtaking arrangements and trial the electric supply boat in the second half of 2025, while the construction of the electric tug is slated to be completed in the first quarter of 2026. 

 

Photo credit: PaxOcean and Kuok Maritime Group
Published: 6 February, 2025

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