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Retrofit

Singapore-based Hafnia tankers to be retrofitted with Wärtsilä propulsion efficiency solution

Wärtsilä will supply its EnergoFlow and EnergoProFin solutions for ten Bird Class oil and chemical tankers owned by Hafnia to considerably improve propulsion efficiency.

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Singapore-based Hafnia tankers to be retrofitted with Wärtsilä propulsion efficiency solution

Technology group Wärtsilä on Thursday (23 November) said it will be supplying its EnergoFlow and EnergoProFin solutions for ten Bird Class oil and chemical tankers owned by Hafnia – the Singapore head-quartered global tanker operator. 

The combination of the two Wärtsilä systems ensures an optimised waterflow over and after the propeller, thereby improving propulsion efficiency considerably. The order was booked by Wärtsilä in October 2023.

EnergoFlow is an innovative pre-swirl stator that creates an optimal inflow for the propeller, reducing fuel consumption and emissions in all operating conditions. The EnergoProFin is an energy saving propeller cap with fins that rotate together with the propeller. It reduces the energy losses created by the propeller hub vortex, increasing overall propulsion efficiency and significantly reducing underwater noise.   

By improving the vessels’ fuel efficiency, emissions are reduced, operating costs are lowered, and both the Carbon Intensity Indicator (CII) rating and Energy Efficiency Existing Ship Index (EEXI) value are improved.

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“There are many benefits to be gained by improving the operating efficiency of our vessels’ propulsion systems and we look forward to having these innovative Wärtsilä solutions installed,” said Ralph Juhl, EVP, Technical Director at Hafnia.

“At Hafnia we are working hard to decarbonise our operations and these retrofitted solutions will support this commitment.”

“Wärtsilä’s OPTI Design methodology takes advantage of computational fluid dynamics along with our extensive in-house know-how. The EnergoProFin propeller cap and EnergoFlow pre-swirl stator work together to deliver meaningful fuel savings and better environmental performance, which are key ambitions for today’s leading operators,” said Francois Emin, Product Manager – Propulsion, Wärtsilä.

The Wärtsilä equipment is scheduled to be delivered commencing in 2024. The project will be carried out over a two-year period for the 10 vessels.

Photo credit: Wärtsilä 
Published: 24 November, 2023

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Retrofit

Matson boxship “Kaimana Hila” returns to service after LNG conversion

“Kaimana Hila” is the latest vessel to operate on LNG bunker fuel, joining its sister ships, “Daniel K. Inouye” and “Manukai”; Matson has ordered three new LNG-ready containerships from Philly Shipyard.

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Matson boxship “Kaimana Hila” returns to service after LNG conversion

Shipowner Matson on Friday (13 December) announced that its containership Kaimana Hila is back in service after completing the company’s third LNG conversion. 

A new bow windshield was also added for improved aerodynamics and fuel conservation.

Kaimana Hila is the latest vessel to operate on LNG, joining its sister ships, Daniel K. Inouye and Manukai

Manukai underwent a complete repowering, replacing its engine with a dual-fuel engine like those powering Daniel K. Inouye and Kaimana Hila

These conversions are part of Matson’s long-term strategy to reduce Scope 1 fleet greenhouse gas emissions by 40% by 2030 and achieve net zero emissions by 2050.

Matson has ordered three new Aloha Class containerships from Philly Shipyard. The first, Makua, is under construction and scheduled for delivery in 2026. 

All three vessels will join the fleet LNG-ready but can operate on conventional fuels as needed. 

Like their sisterships Daniel K. Inouye and Kaimana Hila, each vessel will boast numerous “green ship” technology features, such as a fuel-efficient hull design, environmentally safe double-hull fuel tanks, and freshwater ballast systems.

 

Photo credit: Matson
Published: 17 December, 2024

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Methanol

MAN ES to convert 10 more Maersk vessels to run on methanol bunker fuel

This comes following the successful methanol engine retrofit of Very Large Container Vessel “Maersk Halifax”, which was originally powered by an MAN B&W 8G95ME-C9.5 prime mover.

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MAN ES to convert 10 more Maersk vessels to run on methanol bunker fuel

Engine manufacturer MAN Energy Solutions on Monday (9 December) said Maersk has placed a pre-order for MAN PrimeServ to convert an additional 10 vessels from its fleet to methanol operation.

This comes following the successful methanol engine retrofit of Very Large Container Vessel Maersk Halifax. The 15,000 teu vessel entered service in 2017 and was originally powered by an MAN B&W 8G95ME-C9.5 prime mover. 

The retrofit to an 8G95ME-LGIM Mk10.5 engine enables the Maersk Halifax to operate on green methanol, making it possible to reduce its CO2 emissions by 90%.

The retrofit also included an upgrade to the vessel’s engine-control system to MAN Energy Solutions’ latest Triton system. Following the completion of sea-trials, Maersk Halifax has returned to operation and is now servicing A.P. Moller - Maersk’s (Maersk) Trans-Pacific trade.

Leonardo Sonzio, Head of Fleet Management and Technology at Maersk, said: “Since we set the ambitious climate goal of reaching net zero emissions by 2040, we have explored the potential in retrofitting existing vessels with dual-fuel engines.”

“In the coming year, we will take learnings from this first conversion of a large vessel. Retrofits of existing vessels can be an important alternative to newbuilds in our transition from fossil fuels to low-emission fuels.”

Michael Petersen, Senior Vice President and Head of PrimeServ Denmark, said: “Retrofits are one of the five growth areas identified in MAN Energy Solutions’ ‘Moving Big Things To Zero’ strategy, enabling shipowners to drastically reduce CO2 emissions without having to commission newbuilds.”

“Retrofitted engines are able to switch between fuels with minimal disruption, flexibility that is crucial for maintaining operational efficiency and reliability. At PrimeServ, we estimate that more than 4,000 existing marine engines have the potential to be converted to operation on green fuels like e-methanol and e-methane.”

 

Photo credit: MAN Energy Solutions
Published: 11 December, 2024

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MoU

DNV and Seatrium team up for marine and offshore innovation and development

Both parties will work closely on optimizing existing processes and improving efficiencies across newbuilding, conversion and retrofit projects.

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DNV and Seatrium team up for marine and offshore innovation and development

Classification society DNV on Monday (18 November) said it signed a Memorandum of Understanding (MoU) with Singapore-headquartered engineering solutions provider Seatrium to cooperate on strategic activities and projects in the areas of engineering, technology and new product design.

Under the MoU, DNV will provide Seatrium with expert advice on market and regulatory trends, emerging technologies, and best practices for environmental, safety and quality standards, in the maritime and offshore sectors. Both parties will work closely on optimizing existing processes and improving efficiencies across newbuilding, conversion and retrofit projects. 

Collaboration opportunities with other organizations and institutes will also be explored to advance technologies that tackle key challenges in the marine and offshore sectors.

Additionally, the cooperation will leverage DNV and Seatrium’s combined capabilities to drive and support technological and digital advancements in the marine and offshore industries. Key focus areas include floating offshore wind turbines, hydrogen and ammonia production platforms, and next-generation Floating Production Storage and Offloading (FPSO) units. The collaboration will also draw on DNV’s expertise in the integration of advanced cyber security and digital solutions into Seatrium’s suite of digital services. 

Remi Eriksen, Group President and CEO of DNV, said: "This agreement with Seatrium marks an important step in building marine and offshore solutions for a more sustainable and resilient future. By combining our innovation and execution strengths into the decarbonization and digitalization space, we are well-positioned to deliver transformative solutions that can address challenges and opportunities across key industries."

Chris Ong, CEO of Seatrium, said: "At Seatrium, we firmly believe that innovation is the cornerstone of a sustainable future for the marine and offshore industry. Our collaboration with DNV signifies a pivotal leap forward in harnessing state-of-the-art technologies and engineering solutions that not only address today's energy challenges, but also lay a strong foundation for maritime decarbonization.”

“Leveraging our deep expertise in advanced engineering and project execution, Seatrium is committed to driving transformative change that enhances safety, quality and efficiency, as well as providing strategic stewardship towards a cleaner and greener energy future for our industry."

Cristina Saenz de Santa Maria, Regional Manager South East Asia, Pacific & India, Maritime at DNV, added: “We are excited to strengthen our long-standing collaboration with Seatrium to drive sustainable advancements in the marine and offshore sectors.”

“Enhancing process efficiencies and harnessing digitalization are key enablers of the energy transition. By working together with Seatrium we can help the industry meet the rapidly evolving environmental, technological and regulatory challenges in its journey towards a decarbonized future."

During the ceremony, DNV also awarded two Approval in Principle (AiP) certificates to Seatrium for two new floating offshore wind turbine designs, the FWSS (Floating Wind Semi-Submersible) and SWACH (Small Waterplane Area Cylindrical Hull). 

The FWSS design is a floating column foundation for 15MW wind turbines, optimized for efficient fabrication and cost-effectiveness, while the SWACH design features a cylindrical floating foundation for 15MW turbines, engineered for ease of fabrication and handling.

With the floating offshore wind market set for significant growth over the coming years, these innovative designs are important in offering new floating wind solutions that can contribute to the advancement of the energy transition. The AiPs were awarded based on DNV's recently updated DNV-RU-OU-0512 (Floating wind installations) offshore rules.

 

Photo credit: DNV
Published: 25 November, 2024 

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