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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 local dangers involving the Diablo Canyon Nuclear Power Plant, and with the dangers of nuclear power, weapons and waste on national and global levels. Additionally, Mothers for Peace works to promote peace and a nuclear-free, carbon-free world, utilizing conservation and sustainable resources.


PG&E announces


 for Diablo Canyon!  

PG&E, International Brotherhood of Electrical Workers Local 1245, Coalition of California Utility Employees, Friends of the Earth, Natural Resources Defense Council, Environment California, and Alliance for Nuclear Responsibility have developed a joint proposal to phase out PG&E’s Diablo Canyon Power Plant (DCPP) by 2025 and replace it with energy efficiency, renewable energy and other GHG-free resources.

Joint Proposal

PG&E Slideshow

Mothers for Peace Press Release :



California State Water Board

and Once-Through Cooling



Contrary to State policy, Diablo Canyon continues to use 2.4 billion gallons of ocean water each day to cool the two reactors through a system called once-through cooling (OTC). 


1. Sign up for OTC alert list:   https://mothersforpeace.org/contact-info

2. Once the Board publishes options for this enforcement, public comments will be needed demanding that the Water Board apply the OTC policy to Diablo Canyon. 

Background information: 

Fact sheet:  


Summary of OTC policy:




Promote Renewable Energy

Read about caron fee and dividend:


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2015 Fall Newsletter

radioactive oceanJoin us in our efforts to monitor the spread of radiation from Fukushima and its impact on the ocean.  Consider making a tax deductible donation at: https://www.razoo.com/story/Woods-Hole-Oceanographic-Radiation-Testing