Constellation Energy Generation, LLC; Braidwood Station, Units 1 and 2, Byron Station, Unit Nos. 1 and 2, and LaSalle County Station, Units 1 and 2; Environmental Assessment and Finding of No Significant Impact

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The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of exemptions in response to the November 7, 2025, request from Constellation Energy Generation, LLC (the licensee) related to Braidwood Station, Units 1 and 2 (Braidwood), Byron Station, Unit Nos. 1 and 2 (Byron), and LaSalle County Station, Units 1 and 2 (LaSalle), located in Will County, Ogle County, and LaSalle County, respectively, in Illinois. The exemptions would allow the licensee to transfer certain earnings from the Braidwood, Byron, and LaSalle nuclear decommissioning trusts (NDTs) to subaccounts within the NDTs that may then be used to pay for activities related to the larger decommissioning process and during operations. The NRC staff is issuing an environmental assessment (EA) and finding of no significant impact (FONSI) associated with the proposed exemptions.