January 25, 2023
SAN LUIS OBISPO, Calif. – On January 24, the U.S. Nuclear Regulatory Commission’s technical staff refused a request by Pacific Gas & Electric, or PG&E, to resume reviewing a 2009 license renewal application for the aging Diablo Canyon nuclear power plant in California. PG&E formally withdrew the application from NRC consideration in 2018.
The NRC staff’s decision affirmed recent arguments in a petition by San Luis Obispo Mothers for Peace, or SLOMFP, Friends of the Earth, and Environmental Working Group that said resuming review of PG&E’s withdrawn license renewal application would be unlawful. The organizations demanded that the NRC’s five Commissioners deny PG&E’s October 31, 2022, request to resume review of the application.
The decision is important because it prevents PG&E from making an end-run around NRC regulations that require the company to file a new and up-to-date license renewal application.
PG&E had admitted that the application was severely outdated and could not be updated or completed until late 2023 – a year before Diablo Canyon’s Unit 1 reactor license term expires. It now appears that PG&E may have to close Diablo Canyon when its licenses expire in the fall 2024 for Unit 1 and spring 2025 for its Unit 2 reactor. PG&E may have to keep those units closed unless and until the NRC approves a new license renewal application.
The NRC also acknowledged that PG&E had requested an exemption from regulations that would require the reactors to shut down in 2024 and 2025 unless the licenses had been renewed by then. But the NRC postponed a decision on the exemptions until March.
Diane Curran, an attorney for SLOMFP, said, “PG&E does not have any legal options for keeping the Diablo Canyon reactors running continuously past their license expiration dates.” Curran further said it was reasonable to expect that the staff would also deny PG&E’s exemption requests. “The NRC has no authority to grant an exemption that would extend the license terms past their 40-year limit, other than to renew those licenses. And the renewal process is likely to take years,” she said.
Caroline Leary, an attorney for EWG, said, “It’s not too late for the California Legislature to redirect the billion dollars slated for revival of these unsafe and uneconomical reactors to the support of safe and renewable alternative energy sources such as solar and wind power, energy efficiency and load management.
“PG&E may not be familiar with hearing ‘no’ from its captive regulators in California, but it’s clear the professional staff at the NRC takes its oversight role and the safety of the communities surrounding Diablo Canyon seriously,” said Leary.
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