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LR: Wind-assisted ship propulsion nears tipping point for rapid adoption

However, new LR report emphasised that the lack of standardisation for verifying fuel savings and concerns about equipment availability must be addressed to accelerate WAPS take up.

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LR: Wind-assisted ship propulsion nears tipping point for rapid adoption

The application of wind-assisted propulsion systems (WAPS) across a variety of vessel types is nearing a tipping point with deployment likely to increase rapidly, according to classification society Lloyd’s Register’s (LR) new report published on Tuesday (20 August). 

However, LR emphasised that the lack of standardisation for verifying fuel savings and concerns about equipment availability must be addressed. 

With the industry close to achieving 100 installations and the orderbook reflecting the diversity of vessel types employing WAPS, along with increasingly substantial deployments as technologies move beyond prototype and pilot phases, the absence of a standard for verifying potential fuel savings is creating uncertainty for operators looking to select solutions. 

With WAPS deployment likely to increase rapidly, driven by growing shipyard and operator familiarity with solutions, scaling up the supply chain to meet expected demand is a potential challenge. 

With several suppliers delivering very few units today – but with more suppliers set to enter the market in the near future – shipowners and operators will need confidence that WAPS suppliers can remain competitive and deliver increasing numbers of units without jeopardising project timeframes. 

The report also points to the need for a wider base of shipyards with installation capabilities to meet expected demand, with only around 16 yards to date having carried out WAPS retrofits. While installations are not unfeasibly complex, they may be best implemented over multiple time periods, so project planning is a key consideration. 

Coordinating installations with scheduled maintenance and component lead times, while working out the best time to install, safeguard compliance and minimise carbon cost exposure can prove challenging, the report says. 

Dr Santiago Suarez de la Fuente, LR’s Ship Performance Manager, said: “Wind-assisted propulsion systems are increasingly being used by ship operators to reduce fuel consumption, meet energy efficiency regulations and minimise exposure to carbon costs. With 29 installations between 2018-2023 and 72 in the orderbook, LR’s new research report demonstrates that there is growing confidence in the available solutions.”

Gavin Allwright, Secretary, International Windship Association, said: “There is a perfect storm brewing when it comes to reducing GHG emissions in shipping. New regulations, price challenges for existing and new fuels along with the growing pressure from cargo owners to reduce scope three emissions. These are driving the deployment of wind propulsion technologies, both as wind-assist and primary wind, retrofit and newbuild, however these systems need to be robust, safe and validated in order to build trust in the market and lay the foundation for scaling these across the fleet.”

The Applying wind-assisted propulsion to ships report collates technology insights from LR and industry experts. It includes an in-depth analysis of the current market, cost and compliance drivers, regulatory issues and technical challenges.

LR has been instrumental in driving industry knowledge in WAPS solutions. It developed the first open access online calculator for Flettner rotor fuel savings and has conducted numerous feasibility studies, engineering studies and performance validations on behalf of ship owners and operators, as well as issuing numerous approvals in principle for WAPS solutions. 

Note: LR’s report titled ‘Applying wind-assisted propulsion to ships report’ can be downloaded here

 

Photo credit: Lloyd’s Register
Published: 22 August, 2024

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Wind-assisted

DNV grants AiP to OceanWings for wind propulsion system in South Korea

OceanWings says the recognition underscored the potential of OceanWings’ Wind Assisted Propulsion System to advance fuel efficiency and reduce greenhouse gas emissions in maritime industry.

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DNV grants AiP to OceanWings for wind propulsion system in South Korea

French designer and manufacturer of wingsails OceanWings on Tuesday (29 October) said it received Approval in Principle (AIP) from classification society DNV for its wind propulsion technology, in Busan, South Korea.

OceanWings said the recognition underscored the potential of OceanWings’ Wind Assisted Propulsion System (WAPS) to advance fuel efficiency and reduce greenhouse gas emissions in the maritime industry. 

“The AiP marks an important milestone as OceanWings move closer to full-scale commercialisation, providing shipowners and shipyards with a verified and efficient solution for future fleets,” it said. 

Christophe Paillusseau, VP Sales and Marketing at OceanWings, said: "Receiving the AiP from DNV is a testament to our team's dedication to creating a cleaner and more sustainable future for shipping.”

“With the increasing focus on decarbonisation, our solution offers a practical and cost-effective pathway for shipowners to meet stricter environmental regulations.”

 

Photo credit: OceanWings
Published: 30 October 2024

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Alternative Fuels

SIBCON 2024: DNV dives into potential of energy efficiency tech in midst of green fuels demand

Denzal Hargreaves emphasized that without maximising these technologies, the maritime industry will need to heavily rely on all available potential carbon neutral fuels to achieve IMO’s 2030 targets.

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Denzal Hargreaves DNV

While it is encouraging that about 50% of the current order book represents vessels that are capable of carbon-neutral marine fuels, there are challenges in meeting demand for those fuels, said Denzal Hargreaves of classification society DNV during SIBCON on Thursday (10 October).

Hargreaves, VP, Area Manager of South East Asia (S) & Indian Subcontinent, DNV Maritime, said this during his presentation of DNV’s Maritime Forecast to 2050 report before moderating a panel session titled Is Methanol Heading for the Mainstream?.

He explained a fuel technology transition is already underway in the maritime industry, with half the ordered tonnage capable of using liquefied natural gas (LNG), liquefied petroleum gas (LPG), or methanol in dual-fuel engines. 

DNV Maritime Forecast 2024

DNV Maritime Forecast 2024

However, Hargreaves said the infrastructure and the rest of the supply chain must be ready to support the demand.

“Based on the order book and the ships that are ordered and the ships that are required to meet IMO’s 2030 targets, there is a need for carbon-neutral fuels,” he noted.

DNV Maritime Forecast 2024

DNV Maritime Forecast 2024

Based on DNV’s report, Hargreaves pointed out the potential of energy efficiency technologies to reduce the strain and need for carbon-neutral fuels but warned that without maximising these technologies, the maritime industry will need to heavily rely on carbon-neutral fuels to achieve IMO’s 2030 targets. 

“If we capitalise on all energy efficiency opportunities that are out there, we only require 10% of the estimated supply of carbon neutral fuels. But if we only take minimum benefits out of these efficiencies, we will need 100% of the potential green fuels available,” he said. 

“We do see a need to address energy losses through energy efficiency measures giving a reduction in energy consumption. And this is required not only for the existing fleet, but also for future vessels, because the demand and the available capacity of carbon neutral fuels will be quite a challenge to meet the consumption demands.”

He recommended shipowners to focus on reducing energy consumption now, have a flexible fuel pathway, and have a long-term strategy.

“Everything we commit today doesn't mean that that's the final but we have to start, and we have to keep going and building these blocks going forward,” he concluded. 

Manifold Times previously reported DNV presenting an outlook on six selected technologies that are receiving increased attention in the industry in its Maritime Forecast to 2050 report: solid oxide fuel cells, liquefied hydrogen, wind-assisted propulsion, air lubrication systems, onboard carbon capture, and nuclear propulsion.

The report estimates that fuel consumption can be reduced by between 4% and 16% by 2030 using operational and technical energy efficiency measures. Achieving 16% would save 40 Mt of fuel and 120 MtCO2 emissions, which would be equivalent to operating the 55,000 smallest ships or the 2,500 largest ships with carbon-neutral fuel. 

Related: DNV ‘Maritime Forecast to 2050’ report examines shipping’s energy future and role of technology in energy transition

 

Photo credit: DNV
Published: 18 October, 2024

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Technology

Hanwha Ocean receives DNV type approval for rotor sail technology

DNV TADC also covers installation of rotor sail in hazardous zones onboard vessels, for example on tankers and vessels carrying explosive liquids, gases, and dangerous cargo.

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Hanwha Ocean receives DNV type approval for rotor sail technology

Classification society DNV on Tuesday (24 September) has awarded Hanwha Ocean Type Approval Design Certification (TADC) for its innovative rotor sail technology, the first certification of a rotor sail approved for installation in hazardous zones in South Korea. 

The TADC, issued by DNV, confirms that Hanwha Ocean's Rotor Sail, designed with composite materials, is in line with DNV and international safety standards, guidelines and regulations and ready for practical application on commercial vessels. 

The certification process involved detailed design reviews and assessments, ensuring that the rotor sail meets the rigorous standards for real-world deployment.

Hanwha Ocean, said: “Receiving this certification from DNV is a major milestone for us. It validates the safety and effectiveness of our rotor sail technology. We are committed to continuing our work on eco-friendly solutions that provide shipowners with confidence in choosing Hanwha Ocean products.”

Vidar Dolonen, Regional Manager at DNV Korea and Japan, said: “With increasing demand for solutions that can improve energy efficiency, cut emissions, and reduce the commercial impact of utilising low and carbon-neutral fuels, innovations like Hanwha Ocean’s rotor sails can provide immediate, tangible benefits.”

“Our collaboration with Hanwha Ocean on these rotor sail technologies opens up further segments to these solutions and reflects our shared commitment to decarbonizing shipping.”

As a result of its “Ex-proof” rating and equipment, the TADC also covers the installation of the rotor sail in hazardous zones onboard vessels, for example on tankers and vessels carrying explosive liquids, gases, and dangerous cargo.

 

Photo credit: DNV
Published: 25 September, 2024 

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