The Department of the Army announced its adoption of the Department of Energy categorical exclusion B5.26 for advanced nuclear reactors.
Office of NEPA Policy and Compliance
September 1, 2026
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The Department of the Army (DA) announced its adoption of Department of Energy (DOE) categorical exclusion B5.26 for advanced nuclear reactors.
B5.26 Advanced nuclear reactors
Authorization, siting, construction, operation, reauthorization, and decommissioning of advanced nuclear reactors, provided DOE determines that: (1) the project’s attributes, including potential fission product inventory, fuel type, reactor design, and operational plans, reduce sufficiently the risk of adverse offsite consequences from the release of radioactive or hazardous materials, and (2) the project demonstrates that any hazardous waste, radioactive waste, or spent nuclear fuel generated by the project can be managed in accordance with applicable requirements. For the purposes of this category, a project may include multiple reactors within a nuclear facility.
For more information on adoption of categorical exclusions, please see Section 109: Adopting Categorical Exclusions.