| SLOMFP | San Luis Obispo Mothers for Peace 501(c)(3) nonprofit organization with limited lobbying but deductible donations |
| MFP | Mothers for Peace |
| MFPAC | Mothers for Peace Action Committee 501(c)(4) nonprofit organization with unlimited lobbying but non-deductible donations |
| DCISC DCDEP UCS | Diablo Canyon Independent Safety Committee Diablo Canyon Decommissioning Engagement Panel Union of Concerned Scientists |
| NIRS | Nuclear Information Resource Service |
| ECOSLO | Environmental Center of San Luis Obispo |
| A4NR | Alliance for Nuclear Responsibility |
| NRC | Nuclear Regulatory Commission |
| ASLB | Atomic Safety and Licensing Board |
| AEC | Atomic Energy Commission (now called the NRC) |
| PG&E | Pacific Gas and Electric Company |
| DCNPP | Diablo Canyon Nuclear Power Plant |
| DCISC | Diablo Canyon Independent Safety Committee |
| SONGS | San Onofre Nuclear Generating Station (in San Diego) |
| TMI | Three Mile Island Nuclear Power Plant |
| ISFSI | Independent Spent Fuel Storage Installation (dry cask facility) |
| HLRW | High Level Radioactive Waste |
| CPUC | California Public Utilities Commission |
| CEC | California Energy Commission |
| CCC | California Coastal Commission |
| RWQCB | Regional Water Quality Control Board |
| GOA | Government Accounting Office |
| LER | Licensee Event Reports (the utilities are required to report certain ‘events’, i.e. problems at the plants) |
| NAS | National Academy of Sciences |
| USGS | United States Geological Survey (a science organization which provides information on the Earth (fault lines and earthquakes for example) |
| NUREG | a series of regulatory guides and reports from the NRC |
| CFR | Code of Federal Regulations |
| DOE | Department of Energy |
| EPA | Environmental Protection Agency |
| NEPA | National Environmental Policy Act |
| CEQA | California Environmental Quality Act |
| PWR | Pressurized Water Reactor |
| PRA | Probabilistic Risk Assessments |
| INPO | Institute of Nuclear Power Operations |
| ACRS | Advisory Committee on Reactor Safety |
| IAEA | International Atomic Energy Agency |
| GEIS | Generic Environmental Impact Statement |
| NEI | Nuclear Energy Institute |
| ALARA | As Low As is Reasonably Achievable |
| FSAR | Final Safety Analysis Report |
| FSER | Final Safety Evaluation Report |
| LOCO | Loss Of Coolant Accident |
| LRA | License Renewal Application |