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DNV: Monitoring of CII Rating and how to stay compliant

DNV elaborates on CII, importance of reliable emission monitoring, and gives recommendations to ship owners and managers on how to stay compliant.

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Classification society DNV on Tuesday (27 June) released a statutory news for ship owners and managers on Carbon Intensity Indicator (CII) and carbon intensity rating with its recommendations for compliance:

From 1 January 2023, it is mandatory for all ships to collect emissions data for reporting their annual operational CII and CII rating. This statutory news aims to raise awareness of CII, the importance of reliable emission monitoring, and give recommendations on how to stay compliant.

Carbon Intensity Indicator (CII) and carbon intensity rating

The attained CII is a value reflecting the energy efficiency of a ship for a given calendar year based on the verified DCS data. For certain ship types and operations, the attained CII may be further adjusted by applying correction factors as agreed by the IMO, as illustrated below:

Monitoring of CII Rating and how to stay compliant Body image I tcm8 244871

Taking into consideration the type and the size of the ship and the relevant year the required CII is determined, the required CII gradually becomes stricter over time. The requirement is that the attained CII should not exceed the required CII.

CII graphic 358 tcm8 244872

Based on the attained and the required CII, a ship is awarded its annual carbon intensity rating. The rating spans from A to E, where A is the best and the required CII is the middle point of the C rating. The rating is noted on the Statement of Compliance (SoC) issued each year by the DCS verifier.

The SEEMP Part III (the 3-year plan)

Every ship required to comply with the CII requirement shall have a plan on how to achieve the required CII for the next three years. This plan, known as the SEEMP Part III, includes measures to be implemented together with a timeline and responsibilities for the implementation.

Another important aspect of the plan is that it is subject to self-evaluation, by evaluating the effectiveness of the planned measures over time and continuously improving the plan as needed. To achieve this, knowing the current CII status of the ship is key, and, hence, having a proper monitoring tool is essential.

Monitoring of CII ratings

DNV provides the monitoring tool Emissions Insights, which provides an overview of your fleet and confirms where you are with respect to your CII, showing the preliminary year-to-date ratings based on your DCS data uploads so far. The tool is available through My Services on Veracity for our existing DCS customers. The accuracy will, of course, depend on the frequency of your DCS data uploads. Emission Insights also shows the corrected CII in case correction factors have been applied and reported. Emissions Insights is illustrated below:

Monitoring of CII Rating and how to stay compliant Body image II tcm8 244873

If you require a more comprehensive solution including, for instance, emission performance simulation and verified voyage statements, we recommend you to look into DNV’s Emissions Connect, which is a separate subscription service (Emissions Connect is also available for companies not using DNV as a DCS verifier).

Continued CII compliance

The implementation of the SEEMP Part III will be followed up through periodical company audits. Failing to achieve the objectives of the SEEMP and receiving an inferior rating, in other words an E rating or three consecutive D ratings, will trigger actions by the ship manager in the form of a corrective action plan (CAP). This includes planned actions to increase the energy efficiency sufficiently to achieve the required CII (C rating). To remain compliant and receive the SoC, the CAP needs to be reviewed and verified.

Recommendations

For your SEEMP Part III plan to work and to ensure that you are on the right track, it is important to evaluate and monitor your vessels’ CII rating. Here are some steps you can follow to stay compliant:

  • Review performance data by collecting data on key performance indicators, such as maintenance records, fuel consumption, voyage reports, and inspection reports. Use this information to identify trends and areas for improvement.
  • Conduct regular assessments of your vessels’ operations and performance, including safety inspections, risk assessments, and operational audits. These assessments can help identify potential problems and provide an opportunity to address them before they escalate.
  • Engage stakeholders including crew, management and customers in the evaluation process. Encourage them to share their perspectives and experiences and use this feedback to identify areas for improvement.
  • Use benchmarking tools such as Emissions Insights to compare your vessel’s performance against industry standards and best practices. This can help you identify areas for improvement.
  • Monitor progress regularly and track the results of your efforts to improve your vessel’s CII rating. This will help you determine the effect of selected actions and identify areas where additional efforts are needed.
  • Continuously improve and assess your vessel’s operations, processes and procedures. Regularly review and update your safety procedures and incorporate new technology and best practices as they become available.

Photo credit: Venti Views on Unsplash / DNV
Published: 30 June, 2023

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Methanol

World Fuel and partners complete first green methanol bunkering of car carrier in Shanghai

Operation involved the delivery of approximately 2,800 MT of green methanol to “Arctic Tern” via a ship-to-ship transfer using SIPG Energy’s dedicated methanol bunkering vessel “M/V Hai Gang Zhi Yuan”.

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World Fuel and partners complete first green methanol bunkering of car carrier in Shanghai

Marine fuel provider World Fuel on Tuesday (21 July) said it successfully completed the first green methanol bunkering of M/V Arctic Tern, with EUKOR Car Carriers and SIPG Energy at the Port of Shanghai. 

Arctic Tern is the first vessel in the new Shaper Class series of car carriers. 

The operation involved the delivery of approximately 2,800 MT of green methanol to Arctic Tern via a ship-to-ship transfer using SIPG Energy’s dedicated methanol bunkering vessel M/V Hai Gang Zhi Yuan, the largest vessel of its kind in operation. 

The bunkering operation was carried out at Haitong Terminal, Waigaoqiao Port Area, Shanghai Port, with cargo handling operations conducted simultaneously during bunkering.

This marks EUKOR Car Carriers’ first green methanol operation and the first time Arctic Tern has bunkered methanol since its delivery on 9 July. The operation marked the first bunkering at Shanghai Port of green methanol produced locally in Shanghai for an international PCTC operator. 

It also demonstrated the city’s integrated green methanol value chain, spanning local production, storage and bunkering, and established a replicable “Shanghai Model” for green methanol supply.

World Fuel arranged the supply and delivery of the fuel on behalf of EUKOR Car Carriers, working with SIPG Energy as the physical supplier at the Port of Shanghai.

The green methanol supplied was produced from municipal solid waste, ISCC-EU certified, and had a carbon intensity value below 25 gCO₂e/MJ.

Arctic Tern is the first of fourteen Shaper Class vessels ordered by Wallenius Wilhelmsen. With a capacity of 9,300 car equivalent units and methanol dual-fuel capability, the vessel will be operated by EUKOR Car Carriers, jointly owned by Wallenius Wilhelmsen and Hyundai Motor Group. Following her first green methanol bunkering, Arctic Tern will continue her maiden voyage from Asia to Europe.

Xavier Leroi, COO Shipping Services at Wallenius Wilhelmsen and CEO of EUKOR Car Carriers, said: “Completing Arctic Tern’s first green methanol bunkering shortly after delivery is a significant milestone towards our decarbonisation ambition for both EUKOR Car Carriers and Wallenius Wilhelmsen. It demonstrates how investments in next-generation vessel technology and fuel flexibility are being translated into real-world operations. 

“This achievement reflects the strong collaboration between all parties involved. Together, we have shown how partnerships across the maritime value chain can help make lower-emission fuels available and operationally viable at scale.”

Mark Tamsitt, SVP Global Marine Sales at World Fuel, said, “The first bunkering event with a new fuel is a significant moment for any shipowner, and our role is to make it as seamless as possible. By connecting EUKOR Car Carriers with SIPG Energy’s proven green methanol capability at the Port of Shanghai, we were able to deliver on reliable supply, fuel quality, and safe processes. As more of our customers bring methanol dual-fuel tonnage into service, we are committed to being the partner that makes these kinds of operations routine.”

Mr. Zhang Da, General Manager of SIPG Energy, said, “Welcoming Arctic Tern to the Port of Shanghai for her first green methanol bunkering demonstrates the strength and maturity of our supply capability. Building on our well-established methanol ship-to-ship bunkering services for container vessels, we have already extended such services to pure car and truck carriers (PCTCs). This bunkering sets a new record for the largest single SIMOPs green methanol bunkering for PCTCs in China, marking another step in building Shanghai’s position as a global green energy hub for international shipping.”

This operation follows Wallenius Wilhelmsen’s announcement on 9 July that Arctic Tern would complete her first methanol bunkering shortly after delivery. The vessel entered service on routes between Asia and Europe immediately following handover from China Merchants Jinling Shipyard in Nanjing.

 

Photo credit: World Fuel
Published: 22 July, 2026

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Ammonia

HPA and MB Energy develop safety concept for STS ammonia bunkering

HPA says the Port of Hamburg will become “bunker ready” for ammonia, laying the groundwork for safe and reliable ammonia bunkering in the future.

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HPA and MB Energy develop safety concept for STS ammonia bunkering

The Hamburg Port Authority (HPA) and integrated energy company MB Energy on Tuesday (21 July) said they have completed a comprehensive risk analysis and developed a dedicated safety concept for ship-to-ship ammonia bunkering.

MB Energy said the analysis lays the groundwork for the safe introduction of ammonia as a future marine fuel.

“With our planned ammonia import terminal in Hamburg-Blumensand, MB Energy intends to provide the reliable land side supply infrastructure needed to support this transition across northern German ports,” it said in a social media post. 

Mabanaft Group was renamed to MB Energy last year and merged over 50 existing brands under one identity. 

Separately, HPA said the Port of Hamburg will become “bunker ready” for ammonia, laying the groundwork for safe and reliable ammonia bunkering in the future.

“The focus is in particular on container ships, cruise ships as well as RoRo and ConRo (Container/RoRo) ships,” it said. 

“We expect ammonia to establish itself as an alternative marine marine fuel in the coming years. With our preparatory work, we are already creating the conditions to welcome the first ammonia-powered ships in Hamburg and to bunker them safely.:

HPA added that the import terminal for ammonia planned by MB Energy from 2029 will make a decisive contribution to ensuring the reliable availability of ammonia as a bunker fuel in northern German ports in the long term. 

“The use of an ammonia bunker barge is considered a possible addition to the landside infrastructure to enable ship bunkering in the port and beyond in the future,” it said.

Related: Mabanaft Group renames as MB Energy, merging over 50 brands under one identity

 

Photo credit: Hamburg Port Authority
Published: 22 July, 2026

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Environment

Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Vessel sank while carrying about 1,000 mt of waste oil on 12 January 2025; the wreck was discovered in March 2025 and was found to have drifted about 13 nautical miles from its original sinking site.

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Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Indonesia’s Coordinating Ministry for Political and Security Affairs on Tuesday (14 July) held a cross-agency coordination meeting to expedite efforts in handling the Malaysian-flagged tanker Silver Sincere that sank off Bintan Regency, Riau Islands.

The vessel sank while carrying about 1,000 metric tonnes (mt) of waste oil on 12 January 2025. 

According to authorities, the ship sank within Indonesian waters. After several surveys, the wreck was finally discovered in March 2025 and it was found to have shifted approximately 13 nautical miles from the initial sinking location.

The meeting was aimed to align cross-ministerial and institutional measures to expedite the handling of the Silver Sincere wreck while minimising risks to shipping safety, the marine environment, and national interests.

Deputy for Coordination of State Defense and National Unity Purwito Hadi Wardhono emphasised that the handling of the impact of the Silver Sincere sinking was the first case to be comprehensively coordinated, serving as a model for handling foreign vessels sinking within Indonesian jurisdiction.

Through this cross-sectoral coordination, the government will establish a clear and measurable framework that can serve as a reference for resolving similar cases in the future, while minimising state losses due to environmental pollution, damage to underwater ecosystems and infrastructure, and disruption to shipping lanes.

“The most important thing is to immediately stop and prevent the negative impacts of this ship sinking,” Purwito said.

“Therefore, a coordinating role is crucial, as maritime security governance involves various ministries and institutions with varying authorities, allowing for faster, more integrated, and more effective response,” he said. 

He added that the Silver Sincere was a Malaysian-flagged vessel that sank within Indonesian jurisdiction, and therefore, all handling processes must comply with the provisions of Indonesian laws and regulations.

In the meeting, Prof. Eko Ganis Sukoharsono, representing the SAE Energy Consulting Team, presented the results of an analysis based on 14 observation periods using Sentinel-1 Synthetic Aperture Radar (SAR) satellite imagery. 

The analysis results showed strong indications of a waste oil spill that has resulted in marine pollution, damage to the seabed due to shifting shipwrecks, disruption of coastal ecosystems and fishing grounds, and potentially threatening the livelihoods of fishing communities around the Riau Islands. 

Purwito added these findings further emphasise the importance of accelerating the removal of the shipwrecks to prevent widespread environmental impacts, maintain shipping safety, and avoid the potential for greater state losses.

The meeting brought together representatives of related ministries and institutions including the Ministry of Foreign Affairs, Ministry of Defense, Ministry of Transportation, Ministry of Maritime Affairs and Fisheries, Ministry of Environment, Attorney General’s Office.  

Related: MPA: Malaysia-registered tanker “Silver Sincere” sinks off Pedra Branca

 

Photo credit: MarineTraffic / Julian T
Published: 20 July, 2026

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