DOE/EIS-0555-S1: EPA Notice of Availability of a Supplemental Environmental Impact Statement (August 2026)

The EPA published a notice of availability for DOE's supplemental environmental impact statement for Proposed Award of Credits to Pacific Gas and Electric Company for Diablo Canyon Power Plant (DOE/EIS-0555-S1).

Office of NEPA Policy and Compliance

August 14, 2026
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Proposed Award of Credits to Pacific Gas and Electric Company for Diablo Canyon Power Plant; San Luis Obispo County, California

The Environmental Protection Agency (EPA) announced the availability of DOE's supplemental environmental impact statement (SEIS) for the Proposed Award of Credits to Pacific Gas and Electric Company for Diablo Canyon Power Plant (DOE/EIS-0555-S1). The SEIS assesses the potential environmental impacts of a proposal to award credits to Pacific Gas and Electric Company (PG&E) under the Civil Nuclear Credit (CNC) Program for the continued operation of Diablo Canyon Power Plant Units 1 and 2 (DCPP) in San Luis Obispo County, California.

For more information, see Proposed Award of Credits to Pacific Gas and Electric Company for Diablo Canyon Power Plant.