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Oregon's H.B. 4046 directs the Oregon Department of Energy (ODOE) to conduct a feasibility study for advanced nuclear reactors, examining design landscapes, costs, safety, and existing barriers. The bill follows an unsuccessful trend of nuclear revival efforts in the state since the closure of the Trojan reactor in 1992.

Previous bills, including attempts to repeal existing moratoriums and allow small modular reactors, have not succeeded. H.B. 4046, introduced on February 2, 2026, aims to clarify definitions for advanced reactors and was referred to the House Committee on Climate, Energy, and Environment after its first reading.