Nuclear Reactors: Generation to Generation 
                List of Acronyms
| ABWR | Advanced Boiling Water Reactor | 
| ACR | Advanced CANDU Reactor | 
| AECL | Atomic Energy of Canada Ltd. | 
| AFPR | Atoms for Peace Reactor | 
| AES | AÐC, Russian, Atomic Power Station | 
| ANL | Argonne National Laboratory | 
| ANTARES | AREVA – New Technology based on Advanced gas-cooled REactorS | 
| APR | Advanced Power Reactor | 
| APWR | Advanced Pressurized Water Reactor | 
| ARC | Advanced Reactor Concepts, LLC | 
| B&W | Babcock & Wilcox | 
| BWR | boiling water reactor | 
| CANDU | CANada Deuterium Uranium Reactor | 
| CNNC | China National Nuclear Corporation | 
| CNP | China’s Nuclear Power Reactor Series | 
| COL | combined construction and operating license | 
| CPR | Chinese Pressurized Water Reactor | 
| DOE | U.S. Department of Energy | 
| EBR-I | Experimental Breeder Reactor-1 | 
| EDF | Électricité de France | 
| ENHS | Encapsulated Nuclear Heat-Source Reactor | 
| EPR | European Pressurized Reactor | 
| ESBWR | Economic Simplified Boiling Water Reactor | 
| FBR | fast breeder reactor | 
| FBTR | Fast Breeder Test Reactor | 
| GA | General Atomics | 
| GE | General Electric | 
| GEH | GE Hitachi Nuclear Energy | 
| GEN I | generation I reactor | 
| GEN II | generation II reactor | 
| GEN III | generation III reactor | 
| GEN III+ | generation III+ reactor | 
| GEN IV | generation IV reactor | 
| GWe | gigawatt electric | 
| HPM | Hyperion Power Module | 
| IAEA | International Atomic Energy Agency | 
| IRIS | International Reactor Innovative and Secure | 
| JSW | Japan Steel Works | 
| KNGR | Korean Next Generation Reactor | 
| KSNP | Korean Standard Nuclear Power Plant | 
| kWe | one thousand watts of electric | 
| kWh | kilowatt hour | 
| LANL | Los Alamos National Laboratory | 
| LFR | lead-cooled fast reactor | 
| LLNL | Lawrence Livermore National Laboratory | 
| LWR | light water reactor | 
| MHI | Mitsubishi Heavy Industries | 
| MHR | Modular Helium Reactor | 
| MOX | mixed oxide | 
| MPa | megapascal | 
| MW | megawatt | 
| MWe | megawatts electric | 
| NGNP | Next Generation Nuclear Plant | 
| NRC | Nuclear Regulatory Commission | 
| OPR | Optimized Power Reactor | 
| ORNL | Oak Ridge National Laboratory | 
| PB-AHTR | Pebble Bed Advanced High Temperature Reactor | 
| PBMR | Pebble Bed Modular Reactor | 
| PNNL | Pacific Northwest National Laboratory | 
| PRISM | Power Reactor Innovative Small Module | 
| PWR | pressurized water reactor | 
| SmAHTR | Small Modular Advanced High Temperature Reactor | 
| SMR | small modular reactor | 
| SNPTC | State Nuclear Power Technology Corporation (China) | 
| SSTAR; SSTAR-H2 and SSTAR-LM | Small, Sealed, Transportable, Autonomous Reactor of many coolants—two potential coolants are hydrogen and liquid metal | 
| TWR | Traveling Wave Reactor | 
| UO2 | uranium dioxide | 
| VVER | Vodo-Vodyanoi Energetichesky Reactor |