Julie Kozeracki was the lead author for a U.S. Department of Energy strategy document titled Pathways to Commercial Liftoff: Advanced Nuclear published in September 2024. The document was the result of a multi-agency, multi-lab effort to update a previously issued report.

During our conversation, Kozeracki described how the report was informed by changes in the market, by a study of experiences from other countries and other industries, and by a growing recognition of the importance of design completion in enabling cost and schedule adherence.

We talked about the utility of an expanding catalog of nuclear fission power systems that can meet the needs of a more diverse customer base and also the relatively new trend of increasing electricity demand led most prominently by data center expansion but also by electrification efforts for heating, transportation and industrial uses.

As others have noted, this edition of the advanced nuclear liftoff report makes a clear and compelling case for including large modern light water reactors – including, but not limited to the AP1000 – in the definition of “advanced nuclear”. But clear and compelling does not equal exclusive; the report also makes a good case for the fact that the market has room for a variety of reactor sizes and capabilities to meet the wide range of power demands of a diverse universe of customers.

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