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U.S. Plans to Give Cold War Plutonium to Nuclear Start-Ups for Clean Energy Fuel

Companies say it's a better way to dispose of Cold War-era weapons material while addressing nuclear fuel shortages, but nonproliferation experts raise concerns.

U.S. Plans to Give Cold War Plutonium to Nuclear Start-Ups for Clean Energy Fuel
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The United States is preparing to distribute weapons-grade plutonium left over from the Cold War to private nuclear energy companies, marking a significant shift in how the government handles highly sensitive nuclear materials. The plan aims to address both the challenge of disposing of decades-old weapons material and the growing shortage of nuclear fuel needed for next-generation reactors, but has drawn criticism from nonproliferation experts concerned about security risks.

The initiative would make available plutonium that has been stored in government facilities since the end of the Cold War, when thousands of nuclear weapons were dismantled as part of arms reduction agreements. This weapons-grade material, which has remained in federal custody for decades, represents both a disposal challenge and a potential resource for civilian nuclear power generation. Start-up companies developing advanced nuclear reactors have argued that repurposing this material could provide a reliable source of fuel while solving a long-standing storage problem.

Private nuclear companies have welcomed the proposal, saying it offers a practical solution to two interconnected problems in the nuclear industry. The shortage of nuclear fuel has been a significant obstacle for companies developing small modular reactors and other advanced nuclear technologies, while the government has struggled with the long-term costs and security concerns associated with storing weapons-grade plutonium. These companies argue that converting the material for civilian use would be more efficient and cost-effective than current disposal methods.

However, nonproliferation experts have raised serious concerns about the security implications of transferring weapons-grade plutonium to private entities. Critics worry that distributing such highly sensitive material beyond direct government control could increase proliferation risks, even with strict safeguards in place. They argue that the potential benefits of fuel supply must be weighed against the unprecedented nature of allowing private companies to handle material that was originally designed for nuclear weapons.

The debate reflects broader tensions in U.S. nuclear policy as the government seeks to promote civilian nuclear energy while maintaining strict controls over weapons-related materials. As the nuclear industry pushes for expanded access to fuel sources to support clean energy goals, federal officials must balance economic and environmental benefits against longstanding security protocols designed to prevent the spread of nuclear weapons technology.

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