List of nuclear research reactors

Name Location Reactor type Purpose Status Capacity (kW) Construction start date Operation date Closure Operator and owner SEFOR (Southwest Experimental Fast Oxide Reactor), Arkansas Arkansas Research, development, and experiments Decommissioned SL-1 INL Stationary power supply demonstration Decommissioned; destroyed by explosion January 3, 1961 United States Army AFSR^[63] INL Research, development, and experiments Decommissioned ARMF-I INL Research, development, and experiments Decommissioned ARMF-II INL Research, development, and experiments Decommissioned Advanced Test Reactor (ATR) INL Research, development, and experiments Yes Advanced Test Reactor Critical (ATRC) INL Research, development, and experiments Yes A1W-A INL Research, development, and experiments Decommissioned A1W-B INL Research, development, and experiments Decommissioned BORAX-I INL Research, development, and experiments Decommissioned; intentionally exploded^[64] BORAX-II INL Research, development, and experiments Decommissioned^[65] BORAX-III INL Research, development, and experiments Decommissioned^[66] BORAX-IV INL Research, development, and experiments Decommissioned^[67] BORAX-V INL Research, development, and experiments Decommissioned^[68] CET INL Research, development, and experiments Decommissioned CFRMF INL Research, development, and experiments Decommissioned CP-1 (moved and renamed CP-2) University of Chicago Research, development, and experiments Decommissioned^[69][70] CP-3 INL Research, development, and experiments Decommissioned^[71] CP-5 INL Research, development, and experiments Decommissioned^[72] 1979 CRCE INL Research, development, and experiments Decommissioned Experimental Breeder Reactor I (originally CP-4) INL Research, development, and experiments Museum^[73] Experimental Breeder Reactor II INL Research, development, and experiments Decommissioned^[74] Experimental Boiling Water Reactor INL Research, development, and experiments Decommissioned ^[75] Experimental Test Reactor INL Research, development, and experiments Decommissioned EBOR INL Research, development, and experiments Never operated ECOR INL Research, development, and experiments Never operated ETRC INL Research, development, and experiments Decommissioned FRAN INL Research, development, and experiments Decommissioned Gas Cooled Reactor Experiment INL Research, development, and experiments Decommissioned Heat Transfer Reactor Experiment 1 INL Research, development, and experiments Decommissioned Heat Transfer Reactor Experiment 2 INL Research, development, and experiments Decommissioned Heat Transfer Reactor Experiment 3 INL Research, development, and experiments Decommissioned HOTCE INL Research, development, and experiments Decommissioned Integral Fast Reactor (IFR) INL Research, development, and experiments Never operated^[76][77] JANUS reactor INL Research, development, and experiments Decommissioned^[78] 1992 JUGGERNAUT INL Research, development, and experiments Decommissioned^[79] Liquid Metal Fast Breeder Reactor (LMFBR) INL Research, development, and experiments Decommissioned LOFT INL Research, development, and experiments Decommissioned ML-1 INL Research, development, and experiments Decommissioned United States Army MTR^[80] INL Research, development, and experiments Decommissioned^[81] NRAD INL Research, development, and experiments Yes OMRE INL Research, development, and experiments Decommissioned PBF INL Research, development, and experiments Decommissioned RMF (nuclear reactor)RMF INL Research, development, and experiments Decommissioned SCRCE INL Research, development, and experiments Decommissioned SNAPTRAN-1 INL Research, development, and experiments Decommissioned SNAPTRAN-2 INL Research, development, and experiments Decommissioned SNAPTRAN-3 INL Research, development, and experiments Decommissioned SPERT-I INL Research, development, and experiments Decommissioned SPERT-II INL Research, development, and experiments Decommissioned SPERT-III INL Research, development, and experiments Decommissioned SPERT-IV INL Research, development, and experiments Decommissioned SUSIE INL Research, development, and experiments Yes S1W/STR INL Research, development, and experiments Decommissioned ^[82] S5G INL Research, development, and experiments Decommissioned ZPR-7 INL Research, development, and experiments Decommissioned ^[83] THRITS INL Research, development, and experiments Decommissioned Transient Reactor Test Facility (TREAT) INL Research, development, and experiments Yes Zero Power Physics Reactor (ZPPR)(formerly Zero Power Plutonium Reactor) INL Research, development, and experiments Decommissioned ^[84][85] ZPR-III INL Research, development, and experiments Decommissioned^[86] ZPR-6 INL Research, development, and experiments Decommissioned ^[87] 1982 ZPR-9 INL Research, development, and experiments Decommissioned ^[88] 1981 603-A INL Research, development, and experiments Decommissioned 710 INL Research, development, and experiments Decommissioned High Flux Beam Reactor BNL Research, development, and experiments Decommissioned 1999 Brookhaven Medical Research Reactor BNL Research, development, and experiments Decommissioned 2000 Brookhaven Graphite Research Reactor BNL Research, development, and experiments Decommissioned 1968 Fast Flux Test Facility Hanford Site Research, development, and experiments Core Drilled UHTREX LANL Research, development, and experiments Decommissioned Omega West LANL Research, development, and experiments Decommissioned Clementine LANL Research, development, and experiments Decommissioned BREN Tower Nevada Test Site Research, development, and experiments Decommissioned Demonstration Using Flattop Fission (DUFF) Nevada Test Site Research, development, and experiments Decommissioned 2012 2012 X-10 Graphite Reactor ORNL Research, development, and experiments Decommissioned 1943 1963 Homogeneous Reactor Experiment (HRE) ORNL Research, development, and experiments Decommissioned 1952 1954 Homogeneous Reactor Test (HRT) ORNL Research, development, and experiments Decommissioned 1957 1961 Aircraft Reactor Experiment (ARE) ORNL Research, development, and experiments Decommissioned 1954 1955 Molten Salt Reactor Experiment (MSRE) ORNL Research, development, and experiments Decommissioned 1965 1969 Health Physics Research Reactor (HPRR) ORNL Research, development, and experiments Decommissioned 1963 1987 Low-Intensity Test Reactor (LITR) ORNL Research, development, and experiments Decommissioned 1950 1968 Bulk Shielding Reactor (BSR) ORNL Research, development, and experiments Decommissioned 1950 1987 Geneva Conference Reactor ORNL Research, development, and experiments Decommissioned 1955 1955 Tower Shielding Reactor-I (TSR-I) ORNL Research, development, and experiments Decommissioned 1954 1958 Tower Shielding Reactor-II (TSR-II) ORNL Research, development, and experiments Decommissioned 1958 1982 Oak Ridge Research Reactor (ORR) ORNL Research, development, and experiments Decommissioned 1958 1987 High Flux Isotope Reactor ORNL Research, development, and experiments Yes 1965 Pool Critical Assembly ORNL Research, development, and experiments Decommissioned 1958 1987 Experimental Gas Cooled Reactor (EGCR) ORNL Research, development, and experiments Constructed but never operated; project cancelled in 1966 HWCTR – Heavy Water Components Test Reactor SRS Research, development, and experiments Decommissioned Sodium Reactor Experiment Santa Susana Field Laboratory Research, development, and experiments Decommissioned 1964 SNAP-10A Santa Susana Field Laboratory Research, development, and experiments Decommissioned; in low Earth orbit Annular Core Research Reactor Sandia National Laboratories Research, development, and experiments Yes ^[89] TRIGA Mark F Bethesda, Maryland Pool Research, development, and experiments Yes 1000 1962 Armed Forces Radiobiology Research Institute NIST reactor Gaithersburg, Maryland Tank Type, Heavy Water Moderated Research, development, and experiments Yes 20000 1967 National Institute of Standards and Technology TRIGA Mark I Denver, Colorado Pool Research, development, and experiments Yes 1000 1969 U.S. Geological Survey TRIGA Mark I Omaha, Nebraska Pool Research, development, and experiments Decommissioned; possession-only license 1959 2001 U.S. Veterans Administration NASA reactors (2 reactors at site) Sandusky, Ohio Research, development, and experiments Decommissioned; under decommission orders or license amendments National Aeronautics and Space Administration NS Savannah James River Reserve Fleet, Virginia Marine propulsion demonstration and goodwill visits Decommissioned; possession-only license Atomic Energy Commission, Maritime Administration (MARAD), and Department of Commerce