The Diablo Canyon nuclear plant: assessing the seismic risks of extended operation

Posted: 15th August 2022

By Edwin Lyman | August 15, 2022

The Diablo Canyon nuclear power plant in Central California Photo credit marya from San Luis Obispo USA via Wikimedia Commons CC BY 20 license httpscreativecommonsorglicensesby20deeden

The Diablo Canyon nuclear power plant in Central California. Photo credit: marya from San Luis Obispo, USA via Wikimedia Commons, CC BY 2.0 license https://creativecommons.org/licenses/by/2.0/deed.en

In 2016, Pacific Gas & Electric (PG&E) announced a historic agreement with labor and environmental groups to shut down the two-unit Diablo Canyon nuclear plant in California by 2025 and replace its roughly 2,200 megawatts of electricity with low- and zero-carbon renewable energy, energy efficiency, and storage. Today, that agreement is in serious jeopardy after an academic study (underwritten in part by the nuclear industry), combined with a sustained and vocal public relations campaign waged by Diablo Canyon supporters (including a Tik-Tok influencer), have succeeded in raising doubts about the viability of the power replacement plan. Growing concerns about climate change-related impacts on the reliability of the electrical grid have also prompted California governor Gavin Newsom to reconsider his position and seek to keep the plant open, at least in the short term. The US Energy Department’s Office of Nuclear Energy is also doing its part to keep Diablo Canyon open by relaxing the original financial qualification criteria and extending the application deadline by more than three months for its recently established Civil Nuclear Credit Program. This will make it possible for PG&E to apply for a first round of federal subsidies aimed at helping utilities keep nuclear power plants open.


https://thebulletin.org/2022/08/the-diablo-canyon-nuclear-plant-assessing-the-seismic-risks-of-exten…
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