Standard LCO2 Carrier Approval
Six Japanese Companies Secure Approval for Standardized Low-Pressure LCO2 Carrier Design
Anonymous
Six Japanese companies, including Mitsubishi Shipbuilding, Kawasaki Kisen, Mitsui O.S.K. Lines, NYK Line, Nihon Shipyard and MILES, have received Approval in Principle from ClassNK for a standardized low-pressure liquefied CO2 carrier. The approval followed a hazard-identification risk assessment focused on handling liquefied CO2 aboard a 42,000-cubic-meter-class vessel and the adoption of a safety-focused design policy. The companies say the MILES-based framework is intended to support stable domestic construction and supply, standardize carrier designs and improve the economics of transporting captured CO2 to storage sites. The initiative is part of preparations for Japan’s expanding carbon capture and storage sector and represents the framework’s first concrete achievement.
Key Points
1
The Approval in Principle ceremony was held on September 15, 2026, at Gastech 2026 in Bangkok, Thailand.
2
The standardized-design effort is based on a Memorandum of Understanding announced on December 1, 2025, which launched cooperation on LCO2 carriers and alternative-fuel ships.
3
The HAZID drew on the extensive experience of K LINE, MOL and NYK Line in operating low-pressure gas carriers to evaluate risks specific to low-pressure liquefied CO2.
4
The companies expect a common design platform for the standard vessel to reduce workload and increase efficiency in the design and construction process.
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