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California approves a 5-year extension for the Diablo Canyon nuclear plant (US)

The California Public Utilities Commission (CPUC), the US State’s utilities regulator, has approved a five-year extension of operations of the two reactor units at the 2,240 MW Diablo Canyon nuclear power plant's until 2029 and 2030 (from 2024 and 2025 respectively). The two units were first commissioned in 1985 and 1986.

The Diablo Canyon power plant, operated by Pacific Gas and Electric (PG&E), is the only nuclear facility in California. PG&E is now allowed to keep Diablo Canyon running while it awaits a renewed federal operating license, and must also keep the terms of its US$1.4bn loan agreement with the State of California. PG&E applied in early November 2023 with the US Nuclear Regulatory Commission for a license renewal for the plant.

Nuclear accounted for 18% of the US' total generation in 2022. There are 93 nuclear reactors currently in operation for a total capacity of about 95 GW (at the end of 2022).

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