The American Bureau of Shipping (ABS) released its new nuclear-ready notation as part of the latest edition of its Guide for Nuclear Ready Applications for Marine and Offshore, offering vessel owners, designers, and builders a framework for incorporating future nuclear conversion considerations into newbuild designs.
According to ABS, the notation is intended for marine and offshore assets operating with conventional propulsion systems, including diesel-electric and battery-electric arrangements, while preserving the ability to transition to nuclear energy later in the asset’s lifecycle.
“The Nuclear-Ready Notation addresses a growing industry need to plan for future nuclear adoption in a structured way incorporating the technology’s specific requirements,” Patrick Ryan, ABS senior vice president and chief technology officer, said in a statement. “As interest in nuclear energy as a marine and offshore power source continues to expand, and the technology develops, ABS is proud to provide industry-leading guidance for owners, designers and builders, a formal framework to incorporate future nuclear conversion into their design approach from the outset.”
ABS said the notation is designed to help reduce the risk of major redesign work later in a vessel or offshore asset’s service life by evaluating considerations tied to future nuclear integration during the initial design stage.
Areas reviewed under the notation may include space allocation, structural arrangements, system interfaces, and safety-related design features needed to support a future nuclear conversion.
ABS said the notation is intended to demonstrate that future nuclear conversion has been incorporated into the design approach from the beginning, rather than treated as a long-term concept without defined technical planning.
Interest in nuclear energy for commercial marine applications has increased in recent years as operators and technology developers explore alternative power sources capable of supporting decarbonization goals and long-duration operations.