Landscape of U.S. Domestic Advanced Nuclear Energy Supply Chain

An overview analysis of bottlenecks, opportunities, and recommendations

The United States does not face a nuclear energy technology constraint. It faces an industrial capacity constraint. Advanced reactor designs are progressing, electricity demand is rising, and federal policy support has expanded. If capital is to flow at scale, the domestic supply chain must be able to deliver qualified components, skilled labor, and manufacturing throughput sufficient to support order book deployment.

This report finds that a concentrated set of structural bottlenecks—particularly in downstream fabrication, machining, welding, inspection, and workforce qualification—is limiting that capacity today. Unless these constraints are addressed deliberately and in sequence, renewed nuclear ambition risks reverting to bespoke projects rather than sustained, multi-unit delivery.