KIEL, GERMANY – August 25, 2025 — Gasum, a leading Nordic energy company and pioneer in sustainable maritime fuel solutions, has proudly announced a major operational milestone: its liquefied gas bunkering vessel Coralius has successfully completed its 1000th safe ship-to-ship lng bunkering operation, marking a transformative moment in the journey toward cleaner maritime fuel alternatives.
The landmark bunkering took place on Saturday, August 23, in the Port of Kiel, Germany, serving the cruise ship MSC Euribia. Since entering service in September 2017, Coralius has delivered over 270,000 metric tons of liquefied natural gas (LNG) to a diverse fleet of vessels operating in Northern Europe — from cargo ships to cruise liners — contributing significantly to the reduction of emissions in one of the world’s most heavily trafficked maritime corridors.
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A Groundbreaking Vessel with a Sustainable Mission
Coralius was the first purpose-built LNG bunkering vessel in Europe, commissioned specifically for safe, efficient, and high-capacity LNG transfers at sea and in port. Designed to withstand Northern Europe’s demanding operational conditions, she carries the 1A Ice Class rating and operates at a service speed of 13.5 knots.
Key vessel specifications:
- Length Overall: 99.60 meters
- Beam: 17.95 meters
- Draft: 5.8 meters
- LNG Capacity: 5,800 m³
- Owners: Anthony Veder and Sirius Shipping
- Chartered by: Gasum
Operating exclusively on LNG herself, Coralius not only delivers cleaner fuel but runs on it too — reflecting Gasum’s commitment to environmental leadership and decarbonization.
Transition to Bio-LNG: A New Era of bunkering operations Begins
In a powerful demonstration of forward-looking sustainability, Coralius began operating exclusively on bio-LNG as of August 2025. This move not only reduces Coralius’ own carbon footprint but also generates FuelEU Maritime over-compliance credits, which are now made available to shipping companies through Gasum’s pooling service — a mechanism designed to support shipowners in achieving and exceeding emissions targets under upcoming EU regulations.
Bio-LNG — a renewable form of liquefied biogas — offers up to 90% lower lifecycle CO₂ emissions compared to traditional marine fuels such as Marine Gas Oil (MGO), making it the most immediately scalable and sustainable fuel option available to the maritime sector today.
Commitment to the Future: Celsius to Join Fleet in 2027
As part of its ongoing effort to expand the availability of LNG and bio-LNG, Gasum is set to welcome a new bunker vessel in 2027: the Celsius. Engineered with cutting-edge fuel efficiency, enhanced tank insulation, and increased cargo capacity, Celsius will further strengthen Gasum’s ability to supply clean maritime fuels to a growing customer base throughout the Nordics and beyond.
A Word from Gasum
Gasum shared “We are proud to celebrate this milestone with Coralius, a vessel that has set the benchmark for safe, flexible, and environmentally responsible LNG bunkering operations. As the maritime industry accelerates toward decarbonization, our investments in bio-LNG and high-efficiency vessels position us — and our customers — at the forefront of sustainable shipping.”
About Gasum
Gasum is a Nordic energy company specializing in clean energy solutions for industry and transport sectors, including LNG and LBG (bio-LNG) for maritime and road transport. With deep expertise in the energy market and a strong commitment to sustainability, Gasum helps customers reduce their emissions and transition toward carbon-neutral operations.
Since 2017, Gasum has operated the Coralius as a cornerstone of its ship-to-ship LNG bunkering services — enabling a cleaner energy future, one operation at a time.
Source Gasum Ltd