The U.S. Department of Energy (DOE) selected Oklo Inc. for advanced negotiations under the Surplus Plutonium Utilization Program to convert Cold War-era surplus plutonium into fuel for advanced nuclear reactors. This initiative supports Oklo’s commercialization roadmap and establishes domestic supply pipelines for next-generation reactors.
The Details.
- The Program: The DOE’s program aims to make designated surplus plutonium available to industry participants. The materials will be repurposed and fabricated into fuel for advanced fast reactors under strict U.S. security and material accountability safeguards.
- The Partnership: Oklo is spearheading the initiative alongside the innovative nuclear energy company newcleo. Oklo will lead the surplus plutonium utilization efforts, while newcleo will provide fuel-cycle expertise and potential project capital, pending definitive agreements and regulatory approvals.
- The Policy Shift: The program stems from federal policy shifts directing the DOE to halt previous “dilute-and-dispose” programs and instead treat the United States’ surplus Cold War material as a strategic asset.
Strategic & Market Impact
- Fuel Security: Oklo’s fast reactors are designed to use plutonium as a “bridge fuel”. This helps developers bypass current industry bottlenecks and chronic shortages regarding the scaling of high-assay low-enriched uranium (HALEU).
- Energy Independence: By transforming former defense liabilities into reliable, carbon-free baseload power, Oklo and the DOE aim to secure domestic fuel independence.
- Market Reaction: The news was met with optimism by investors, causing Oklo’s stock price (NYSE: OKLO) to surge.


