The U.S. Department of Energy selected Oklo for advanced negotiations to convert surplus weapons-grade plutonium into bridge fuel for next-generation reactors [1].

This move represents a strategic shift in how the U.S. manages Cold War-era nuclear materials. By repurposing hazardous surplus plutonium into a usable energy source, the government aims to support clean-energy goals while advancing non-proliferation efforts [1, 2].

Oklo is one of five companies chosen for these advanced talks under the Department of Energy's Surplus Plutonium Utilization Program [2]. The program focuses on the technical and regulatory hurdles of transforming military-grade material into civilian power fuel. This process allows the U.S. to reduce its stockpiles of weapons-grade material, a long-term security priority, while fueling a new class of reactors [1, 2].

The selection has created significant volatility for the nuclear startup on the public market. Oklo shares surged 46.2% in April 2026 [3]. This spike followed a difficult start to the year, during which the company's shares plunged 31% during the first three months of 2026 [3].

While the selection for negotiations is a regulatory milestone, the company still faces the challenge of delivering actual power to the grid. The transition from advanced negotiations to operational fuel cycles involves rigorous safety testing and federal oversight [1].

The U.S. government continues to seek diverse partnerships to ensure that surplus plutonium is handled safely and efficiently. The inclusion of private startups like Oklo suggests a growing reliance on commercial innovation to solve legacy nuclear waste problems [2].

Oklo is one of five companies selected for advanced negotiations under the Energy Department's Surplus Plutonium Utilization Program.

The selection of Oklo signals a federal pivot toward 'recycling' nuclear waste to accelerate the deployment of small modular reactors. By utilizing existing plutonium stockpiles, the U.S. can lower the cost of fuel for new reactors while simultaneously eliminating weapons-grade materials that pose a proliferation risk. However, the gap between a government negotiation and a functioning power plant remains wide, as evidenced by the stock's extreme volatility.