Oklo Inc. (NYSE: OKLO) announced that the U.S. Department of Energy (DOE) has selected the company for advanced negotiations under the Surplus Plutonium Utilization Program. The selection, made alongside four other advanced nuclear firms, positions Oklo to help convert designated surplus plutonium into fuel for advanced reactors, a development relevant to utilities and grid planners seeking new low‑carbon generation sources.
Oklo Selected for DOE Surplus Plutonium Program
Oklo was named by DOE for “advanced negotiations” to access surplus plutonium material and convert it into fuel for advanced nuclear reactors, subject to U.S. security, safeguards and material‑accountability requirements. The program’s goal is to make the designated material available to industry participants for fuel fabrication. Oklo’s participation is paired with European reactor developer newcleo, which will contribute fuel‑related experience and potential project capital, pending definitive agreements and customary approvals.
Partnership Framework with newcleo
Oklo and newcleo intend to lead the utilization of surplus plutonium, with newcleo providing relevant fuel expertise and possible capital. The companies view the program as a “disposition through use” pathway: converting existing material into reactor fuel, generating electricity, and consuming the plutonium under strict security controls. The partnership builds on an October 2025 strategic agreement that includes up to $2 billion of investment via a newcleo‑affiliated vehicle, subject to mutually acceptable documentation and industry conditions. In February 2026, newcleo began pre‑application engagement with the U.S. Nuclear Regulatory Commission for an advanced fuel fabrication facility and a lead‑cooled fast reactor design.
Implications for Advanced Reactor Supply Chains
The DOE selection supports Oklo’s broader fuel strategy, which relies on multiple pathways to secure fuel while domestic enrichment and fuel infrastructure scale. By targeting surplus plutonium as a “bridge fuel,” the program could alleviate fuel‑supply constraints that Oklo’s CEO Jacob DeWitte identified as a key throttle to advanced reactor deployment. If successful, the initiative would turn a long‑term material‑management challenge into a domestic energy source, potentially accelerating the rollout of fast‑fission and lead‑cooled reactor projects.
Key Takeaways
- Oklo was selected by DOE for advanced negotiations under the Surplus Plutonium Utilization Program, aiming to convert designated surplus plutonium into fuel for advanced reactors.
- The partnership with newcleo includes up to $2 billion of potential investment and will involve newcleo’s fuel expertise and pre‑application work with the U.S. NRC for a fuel fabrication facility and a lead‑cooled fast reactor.
- Both companies frame the program as a “disposition through use” approach, converting existing plutonium into electricity‑generating fuel while meeting stringent security and safeguards requirements.
EnergyInsyte's Take
The selection signals a concrete step toward diversifying fuel sources for advanced reactors, a factor that could reduce supply‑chain bottlenecks for utilities evaluating next‑generation nuclear options. Execution remains contingent on final agreements, regulatory approvals, and the ability to scale fabrication capacity. Executives should monitor DOE’s forthcoming terms, NRC licensing progress, and the timeline for any capital deployment linked to the $2 billion investment.
Source: Businesswire
