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US Regulators Grant California's Last Nuclear Power Plant 20-Year ...

The 20-year federal renewal keeps the plant running through 2045, but PG&E still needs state approval to operate past 2030.

  • On Thursday, the Nuclear Regulatory Commission granted Diablo Canyon a 20-year license extension, allowing the plant to operate until 2045. This federal decision marks the NRC's 100th operating license renewal for a U.S. power plant.
  • California Governor Gavin Newsom and state lawmakers initiated the extension process in 2022 via Senate Bill 846 to secure reliable, carbon-free electricity amid potential grid shortages and growing demand.
  • The facility generates about 2,200 megawatts of energy, providing roughly 9% of California's electricity and supporting the daily needs of around 4 million residents.
  • Despite federal approval, Pacific Gas and Electric Company must obtain permission from the California State Legislature to operate the plant beyond 2030, a requirement set by current state law.
  • Environmental groups continue to challenge the plant's operation, citing earthquake risks and water discharge concerns, creating legal uncertainty about the facility's long-term role in California's energy future.
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Reuters broke the news in United Kingdom on Thursday, April 2, 2026.
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