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California’s Last Nuclear Power Plant: PG&E to Close Diablo Canyon,

latimes.comOne of California’s largest energy utilities took a bold step in the 21st century electricity revolution with an agreement to close its last operating nuclear plant and develop more solar, wind and other clean power technologies.

The decision announced Tuesday by Pacific Gas & Electric Co. to close its beleaguered Diablo Canyon nuclear plant within the next decade runs counter to the nuclear industry’s arguments that curbing carbon emissions and combating climate change require use of nuclear power, which generates the most electricity without harmful emissions. Instead, PG&E joined with longtime adversaries such as the Friends of the Earth environmental group to craft a deal that will bring the company closer to the mandate that 50% of California’s electricity generation come from renewable energy sources by 2030.

PG&E’s agreement will close the book on the state’s history as a nuclear pioneer, but adds to its clean energy reputation. California already leads the nation by far in use of solar energy generated by rooftop panels and by sprawling power arrays in the desert. “California is already a leader in curtailing greenhouse gases,” said Peter Bradford, a former member of the U.S. Nuclear Regulatory Commission. “Now they’re saying they can go even further. That’s potentially a model for other situations.” Under the proposal, the Diablo Canyon Power Plant in San Luis Obispo County would be retired by PG&E after its current U.S. Nuclear Regulatory Commission operating licenses expire in November 2024 and August 2025. The power produced by Diablo Canyon’s two nuclear reactors would be replaced with investment in a greenhouse-gas-free portfolio of energy efficiency, renewables and energy storage, PG&E said. The proposal is contingent on a number of regulatory actions, including approvals from the California Public Utilities Commission.

The Diablo Canyon nuclear plant, built against a seaside cliff near Avila Beach, provides 2,160 megawatts of electricity for Central and Northern California — enough to power more than 1.7 million homes. Calls to close Diablo Canyon escalated after a 2011 quake in Japan damaged two reactors at the Fukushima Daiichi nuclear power plant there, leading to dangerous radiation leaks. In the aftermath of that disaster, state and federal lawmakers called for immediate reviews of Diablo Canyon and the San Onofre nuclear plant in San Diego County, which was still in use. The San Onofre plant was shut down for good in 2013 as a result of faulty equipment that led to a small release of radioactive steam and a heated regulatory battle over the plant’s license.

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