South Korean nuclear container ship proposal receives US approval for 15,000 TEU ultra-safe molten salt reactor design

• US bureau clears early design for South Korea's nuclear container ship concept
• Twin molten salt reactors replace conventional engines in ambitious cargo vessel proposal
• Engineers removed fuel tanks to create additional cargo-carrying capacity

South Korea has secured preliminary US approval for the conceptual design of a 15,000 TEU container ship powered by two molten salt small modular reactors (SMRs).

The Approval in Principle was issued by the American Bureau of Shipping, indicating the concept satisfies applicable safety intentions for this early design stage while remaining subject to additional technical conditions.

The proposal combines nuclear propulsion, energy storage, and an optimized vessel layout intended to improve operational efficiency while supporting long-term decarburization efforts across commercial shipping.

Dual-reactor concept focuses on safety and operational efficiency

The Korea Research Institute of Ships and Ocean Engineering (KRISO) worked with Samsung Heavy Industries on hull development, reactor placement, and power management technologies for the vessel.

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