Beyond Reactors: The Full Fuel Cycle Investment Needed for a Nuclear Future

Why It Matters

Without a robust, domestically anchored fuel‑cycle, the U.S. cannot reliably expand nuclear capacity, jeopardizing energy security and decarbonization goals. Strengthening each stage creates jobs, reduces foreign reliance, and positions America as a global nuclear leader.

Key Takeaways

• U.S. relies heavily on imported uranium, especially Russian
• Domestic conversion and enrichment capacity remains limited, bottleneck
• Advanced reactors need HALEU, but supply chain is underdeveloped
• Spent fuel storage lacks permanent repository, hindering expansion
• Federal actions aim to modernize fuel‑cycle regulations and infrastructure

Pulse Analysis

The United States is witnessing a renewed focus on nuclear power as policymakers seek reliable, carbon‑free baseload capacity. While small modular reactors and advanced designs dominate headlines, the industry's long‑term viability hinges on a domestic fuel‑cycle that can supply, process, and dispose of nuclear material without foreign dependence. Today, more than 80 % of uranium feedstock originates abroad, with Russian imports historically comprising a sizable share. The 2024 Prohibiting Russian Uranium Imports Act has forced a pivot toward home‑grown mining, yet permitting delays and labor shortages keep production modest.

The downstream segments of the cycle present equally stark constraints. The United States operates a single commercial conversion plant and relies on one enrichment facility, creating a narrow choke point for producing uranium hexafluoride and low‑enriched uranium. Emerging reactor concepts require high‑assay low‑enriched uranium (HALEU), yet domestic HALEU supply chains remain embryonic, forcing developers to seek costly imports. Fuel‑fabrication lines for TRISO particles and metallic fuels are still under construction, and certified transportation containers are scarce, meaning any delay in these areas can stall reactor licensing and commercial rollout.

Federal policy is beginning to address these gaps. Executive orders issued in 2025 direct the Department of Energy and Nuclear Regulatory Commission to craft a coordinated national strategy that expands domestic uranium mining, accelerates conversion and enrichment projects, and supports private fuel‑cycle facilities. The ADVANCE Act of 2024 has already prompted risk‑informed regulatory reforms, shortening permitting timelines for new facilities. If sustained funding and clear siting frameworks for interim and permanent waste repositories materialize, the United States could secure a resilient nuclear supply chain, generate high‑skill jobs, and reinforce energy independence in a competitive global market.