| Types of nuclear fission reactor |
| Moderator |
|
| Light water |
Aqueous homogeneous • Boiling • BWR • ABWR • ESBWR • Kerena • Pressurized • AP1000 • APR-1400 • APR+ • APWR • ATMEA1 • CAP1400 • CPR-1000 • EPR • HPR-1000 • ACPR1000 • ACP1000 • VVER • IPWR-900 • many others • Supercritical (SCWR) • Natural fission |
Heavy water
by coolant |
D2O |
PressurizedCANDU • CANDU 6 • CANDU 9 • EC6 • AFCR • ACR-1000 • CVTR • IPHWR • IPHWR-220 • IPHWR-540 • IPHWR-700 • PHWR KWU • MZFR • R3 • R4 Marviken |
| H2O |
HWLWR • ATR • HW BLWR 250 • Steam-generating (SGHWR) • AHWR |
| Organic |
WR-1 |
| CO2 |
HWGCR • EL-4 • KKN • KS 150 • Lucens |
Graphite
by coolant |
Water |
H2O |
AM-1 • AMB-X • EGP-6 • RBMK |
| Gas |
CO2 |
Uranium Naturel Graphite Gaz (UNGG) • Magnox • Advanced gas-cooled (AGR) |
| He |
GTMHR • MHR-T • UHTREX • VHTR (HTGR)PBR (PBMR) • AVR • HTR-10 • HTR-PM • THTR-300 • PMR |
| Molten-salt |
Fluorides |
Fuji MSR • Liquid-fluoride thorium reactor (LFTR) • Molten-Salt Reactor Experiment (MSRE) • Integral Molten Salt Reactor (IMSR) • TMSR-500 |
None
(fast-neutron) |
Breeder (FBR) • Integral (IFR) • Liquid-metal-cooled (LMFR) • Small sealed transportable autonomous (SSTAR) • Traveling-wave (TWR) • Energy Multiplier Module (EM2) • Reduced-moderation (RMWR) • Fast Breeder Test Reactor (FBTR) • Dual fluid reactor (DFR) |
| Generation IV |
Sodium (SFR) • BN-350 • BN-600 • BN-800 • BN-1200 • CFR-600 • Phénix • Superphénix • PFBR • FBR-600 • CEFR • PFR • PRISM • Lead • Helium gas (GFR) • Stable Salt Reactor (SSR) |
| Others |
Organic nuclear reactor • Arbus • Piqua • Aircraft Reactor Experiment |