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Corvus containerised ESS to supply shore power for Crowley “eWolf” all-electric tug

Crowley “eWolf”, the first all-electric tug in the U.S., and its shoreside charging infrastructure will go into service in San Diego’s harbor in 2023, says Corvus Energy.

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Corvus Energy on Wednesday (30 November) said participation in the innovative Crowley eWolf zero-emission tugboat project has expanded with an order to supply shoreside battery energy storage systems (ESS) using two Corvus Orca BOBs—the containerised version of its market-leading Corvus Orca ESS—with a total energy storage capacity of 2,990 kWh.

The Crowley eWolf, the first all-electric tug in the U.S., and its shoreside charging infrastructure will go into service in San Diego’s harbor in 2023. Corvus Energy also supplying the 6.2 MWh Corvus Orca ESS on board eWolf. The vessel is under construction at Master Boat Builders, with electrical integration provided by ABB.

“The use of the Corvus Orca ESS shoreside will allow eWolf to charge quickly, potentially avoiding the need to upgrade the electricity grid infrastructure at the port,” remarks Ole Jacob Irgens, Corvus Energy – President Americas. “Since the Orca ESS has a high C-rate, it is capable of discharging quickly and safely so that eWolf will be quickly recharged and returned into service.”

The eWolf and the shoreside infrastructure are designed to allow the vessel to operate fully electric with full performance capabilities, as well as draw energy at off-peak hours from the energy grid. The eWolf is a result of a partnership among Crowley, the San Diego County Air Pollution Control District, the California Air Resources Board, the Port of San Diego, the U.S. Environmental Protection Agency and the U.S. Maritime Administration, which all provided financial support and other resources. 

“Corvus Energy’s storage system will enable Crowley and our federal, state and local partners to reach our shared commitment of reducing emissions and providing cleaner air for the San Diego community. The innovative technology also will help ensure high performance and reliability as the tugboats serves customers – providing a model for sustainability at ports around the nation,” said Paul Manzi, vice president, Crowley Shipping.

Orca BOB 20 Corvus 2 1024x768 1

Battery energy storage a viable alternative shoreside energy

The eWolf and its shoreside energy technology are examples of innovative maritime sustainability opportunities to help decarbonize the maritime industry. Crowley and Shell Trading (US) Company (Shell) have signed a memorandum of understanding (MOU) focused on supporting alternative energy solutions for shoreside and terminal operations. The Corvus Orca BOB shoreside battery energy storage system reflects this commitment.

“We recognise that the world is in the midst of an energy transition, and we’re working hard to play our part,” said Maarten Poort, general manager of Shell Shipping & Maritime Americas. “As both an investor and customer of Corvus Energy and its innovative ESS products, Shell is proud to support battery energy bunkering as a zero-emission alternative energy solution for shore power.”

Corvus Orca BOB plug-and-play battery room

The Corvus Orca BOB containers will each contain almost 1.5 MWh of energy storage capacity and be capable of “fast-charging” the Crowley eWolf tug. The Corvus Orca BOB is a class-approved, modular battery room solution in standard 20-foot ISO high-cube container size. The complete ESS comes with Orca battery modules, battery monitoring system (BMS), HVAC , TR exhaust, and firefighting and detection system. The “Plug and Play battery room” simplifies integration into any system integrator’s power management system on board a ship.

 

Photo credit: Corvus Energy
Published: 5 December, 2022

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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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LNG Bunkering

PIL’s LNG dual-fuel boxship “Kota Elok” arrives in Singapore on maiden call

As the first of 13 new 13,000 TEU vessels joining its fleet, Kota Elok is equipped to operate on LNG and low-sulphur fuel oil that helps reduce our greenhouse gas emissions.

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PIL's LNG dual-fuel boxship “Kota Elok” arrives in Singapore on maiden call

Singapore-based Pacific International Lines Pte Ltd on Monday (20 July) said its first 13,000 TEU LNG dual-fuel container vessel, Kota Elok, recently made her maiden call to Singapore on 15 July.

As the first of 13 new 13,000 TEU vessels joining its fleet, Kota Elok is equipped to operate on liquefied natural gas (LNG) and low-sulphur fuel oil that helps reduce our greenhouse gas emissions. 

The vessel also incorporated energy-saving features and digital technologies to reduce fuel consumption and enhance operational performance, as well as a bow windshield to improve aerodynamics, contributing to improved fuel efficiency and lower emissions over the course of long-haul voyages.

“Following Singapore, Kota Elok will continue her voyage on our East Coast Service 1 (ES1) route to South America, calling at ports in Brazil, Uruguay, and Argentina before returning to Asia,” the company said in a social media post. 

Kota Elok also became PIL’s first vessel to receive Lloyd’s Register certification for compliance with the IACS UR E26 and UR E27 cyber security requirements.

Developed by the International Association of Classification Societies (IACS), UR E26 and UR E27 are mandatory cyber resilience requirements for newbuild vessels contracted from 1 July 2024. 

 

Photo credit: Pacific International Lines
Published: 21 July, 2026

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