License Renewal

license renewal process

Pacific Gas and Electric Company (PG&E) has applied for a 20-year extension of its operating licenses for the Diablo Canyon Nuclear Power Plant. The current operating licenses for Diablo Canyon’s two nuclear reactors expire in 2024 and 2025, respectively. PG&E has applied to continue operations until 2044/2045.

Mothers for Peace has challenged this license extension.  Pertinent documents can be found below.


Pacific Gas and Electric Company’s (PG&E’s) announcement on June 21, 2016, that the corporation plans to shut down Diablo Canyon in 2025 and replace its energy with renewables was a welcome surprise for San Luis Obispo Mothers for Peace (MFP). PG&E agrees with MFP and other environmental organizations that the energy from Diablo is not needed and that carbon-free renewables can provide replacement power at lower cost.

2016 - 07 - 05 Mothers for Peace Will Continue to Advocate for Safety

On June 21, 2016, Pacific Gas and Electric Company (PG&E) announced a Proposal to shut down Diablo Canyon nuclear plant at the end of its current licensing period and to bring renewables on-line. There were a number of organizations that joined with PG&E to work out this plan: International Brotherhood of Electrical Workers Local 1245, Coalition of California UtilityEmployees, Friends of the Earth, Natural Resources Defense Council, Environment California, and Alliance for Nuclear Responsibility

2016 - 06 - 27 Letter from Mothers for Peace to State Lands Commission

San Luis Obispo Mothers for Peace (SLOMFP) asks the California State Lands Commission (SLC) to delay approval of Pacific Gas and Electric Company’s (PG&E’s) application for a new lease that would allow the Diablo Canyon nuclear power plant to use state tidelands until 2024 and 2025. SLOMFP asked the SLC to postpone making a decision on the lease for 30 days to allow comment on whether the SLC should prepare an Environmental Impact Report for the proposed lease. Below is the Letter to the State Lands Commission.

2016 - 06 - 21 PG&E Announces Plans to Shut Down Diablo Canyon

San Luis Obispo Mothers for Peace (SLOMFP) is pleased that on June 21, 2016 Pacific Gas and Electric Company (PG&E) announced plans to withdraw its application for license renewal for the two reactors at Diablo Canyon nuclear plant. The current licenses expire in 2024 and 2025. PG&E’s proposal secures a date certain for the final shutdown of the last nuclear plant in the state of California. Since 2009, when PG&E submitted its license renewal application to the NRC, SLOMFP has opposed the operation of Diablo Canyon on safety and environmental grounds.

2016 - 05 - 19 Proposed Amendments to SB 968

California Senator Bill Monning has put before the California Senate SB 968. Mothers for Peace appreciates his intentions to prepare for the economic impacts of the closure of the Diablo Canyon nuclear plant in the event that it goes off-line before its current licenses expire in 2024 and 2025. However, in order to benefit the workers at the plant and the people of the central coast, we strongly suggest amendments.

2016 - 03 - 23 Letter to California Committee on Energy in opposition to SB 968

San Luis Obispo Mothers for Peace is one of 30 organizations going on record as opposing SB 968. That bill as proposed would focus on the adverse economic impacts to be expected when the Diablo Canyon nuclear plant shuts down. It fails to look at the advantages of plant closure or at opportunities for creating jobs by investing in more sources of renewable energy.

2016 - 03 - 23 Thirty Organizations Oppose Diablo Canyon Bill SB 968

Thirty environmental, health and other organizations today announced their opposition to California state legislation that would mandate an analysis of purportedly negative – but not positive – impacts of shutting down the Diablo Canyon nuclear power plant. In a formal opposition letter, the groups say SB 968 could amount to “a state- ordered piece of advocacy for forces pushing for Diablo Canyon to operate far beyond its original design and license life. This could have great negative impacts on California. We recognize that this is not the intent of the author or co- authors, but nonetheless conclude there would be serious unintended consequences of the bill.”

2015 - 11 - 16 SLOMFP files Petition for Review of two Contentions

On August 6, 2015, the NRC's Atomic Safety and Licensing Board rejected two Contentions from Mothers for Peace on the grounds that they were not timely. Attorney Diane Curran appeals that ruling to the Commissioners, asserting among other things that "Claims that are premature cannot be late at the same time."

2015 - 08 - 29

Scoping Comments on NRC Environmental Impact Study required for PG&E license renewal application for Diablo Canyon nuclear plant.

2015 - 07 - 31 MFP Comments on Scoping for EIS

These Comments on Environmental Issues for Diablo Canyon Nuclear Plant License Renewal are submitted San Luis Obispo Mothers for Peace. The Comments offer sufficient information to justify inclusion of the issues raised in the scoping of the Environmental Impact Statement (EIS) to be developed by the NRC.


The Nuclear Regulatory Commission (NRC) is developing an environmental impact statement (EIS) for the proposed license renewal of the Diablo Canyon Nuclear Power Plant and is seeking public comment on issues to be covered by the report. Supporters of MFP are encouraged to consider speaking on any of the topics below - or other matters that concern you.