FIND OUT MORE ABOUT OUR EFFORTS TO SHUT DOWN DIABLO CANYON NUCLEAR PLANT AVILA BEACH, CA
URGENT ACTION ITEMS:
Email the CA Coastal Commissioners again by 5pm Friday, December 5.
Message: Unequivocally deny the Consistency Certification and the Coastal Development Permit for both the 5-year and 20-year extensions. Land preservation does not mitigate the damage to the marine environment. Diablo Canyon should be shut down.
Tell the Central Coast Regional Water Board to deny the permits!
Comments are due by 5pm on December 8, 2025 Tell the Water Board to deny the permits; it’s time to shut down the plant and stop the devastating impacts to the marine environment.
The Central Coast Regional Water Board is in the process of preparing permits to regulate the wastewater discharges by PG&E’s Diablo Canyon nuclear plant. This is to satisfy the requirements for extended operation. Read more
WHO ARE WE?
Local Activists for a Nuclear-Free Future
Legal Intervenors in Diablo Safety Issues since 1973
San Luis Obispo Mothers for Peace is a non-profit organization concerned with the dangers posed by Diablo Canyon and other nuclear reactors, nuclear weapons, and radioactive waste. Additionally, the organization works to promote peace, environmental and social justice, and renewable energy.
CURRENT ISSUES
Radioactive Waste
Safe storage of high level radioactive waste is the Achilles’ heel of the nuclear industry. The waste must be stored and isolated from the environment for a million years.
After decades of failed policy, there exists no environmentally safe, just, and equitable solution to the storage of high level radioactive waste.
DECOMMISSIONINg or extended operation?
Diablo Canyon nuclear plant was scheduled to retire in 2024 and 2025 through a 2016 joint agreement between its owner, Pacific Gas and Electric Company (PG&E), labor, consumer advocacy and environmental groups. However, over the last year, there has been a push to extend operations beyond these shutdown dates based on Governor Newsom’s claim that its energy is needed.
Climate and Energy
San Luis Obispo Mothers for Peace (MFP) recognizes the threat to all life forms on the planet posed by the increase in carbon dioxide. Human activities, especially since the industrial revolution, have caused this climate change. MFP works in conjunction with like-minded organizations to preserve a livable world for future generations.
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Latest News
December 5, 2025: URGENT – Comments Due to CA Coastal Commission
The California Coastal Commission is one of the few remaining venues to stop the extended operation of Diablo Canyon, so this request for action is crucial. At the November hearing, the staff report for the California Coastal Commission (CCC) supported the proposal of a small portion of PG&E’s Diablo Canyon land to be used as…
Read More December 5, 2025: URGENT – Comments Due to CA Coastal Commission
December 8, 2025: Comments are due to the Central Coast Water Board
Tell the Water Board to deny the permits; it’s time to shut down the plant and stop the devastating impacts to the marine environment. The Central Coast Regional Water Quality Control Board is in the process of preparing permits to regulate the wastewater discharges by PG&E’s Diablo Canyon nuclear plant. This is to satisfy the…
Read More December 8, 2025: Comments are due to the Central Coast Water Board
November 12, 2025: Local Workshop on Diablo Canyon Water Quality
The Central Coast Regional Water Quality Control Board is in the process of preparing permits to regulate the wastewater discharges by PG&E’s Diablo Canyon nuclear plant. This is to satisfy the requirements for extended operation. The Water Board will be holding a local workshop: Wednesday, November 12, 20259:30amAvila Beach Community Center, 191 San Miguel StZoom…
Read More November 12, 2025: Local Workshop on Diablo Canyon Water Quality