List of nuclear research reactors


This is an annotated list of all the nuclear research reactors in the world, sorted by country, with operational status. For power reactors, see List of nuclear reactors.

Algeria

Argentina

NameLocationReactor typePurposeStatusCapacity
Construction start dateOperation dateClosureOperator and owner
RA-0Tank type0.0011958Universidad Nacional de Córdoba
RA-1 Enrico FermiTank type40May 195717 January 1958National Atomic Energy Commission
RA-2Critical assembly type0.0319 July 1966September 1983National Atomic Energy Commission
RA-3Pool type10,00020 December 1967National Atomic Energy Commission
RA-4HOMOG type0.001September 1971Universidad Nacional de Rosario
RA-6Pool type3,0001 September 197823 September 1982National Atomic Energy Commission
RA-8Critical assembly type0.0116 June 19972001National Atomic Energy Commission
RA-1030,000March 2016National Atomic Energy Commission

Australia

NameReactor TypeStatusCapacityOperation DateClosureOperator and OwnerNotes
MAPLE 1Medical isotope production reactor Never Operated2000Chalk River LaboratoriesIncomplete commissioning, never completed testing. However, criticality was achieved
MAPLE 2Medical isotope production reactor Never Operated2003Chalk River LaboratoriesIncomplete commissioning, never completed testing. However, criticality was achieved
NRUHeavy water cooled/moderated Shut Down135 MW19572018Chalk River Laboratories
NRXHeavy water moderated, light water cooled Shut Down42 MW19471993Chalk River LaboratoriesOne of the highest flux reactors in the world until shut down
SLOWPOKE-1 prototypePool Type Shut Down5 kWChalk River Laboratories, University of TorontoThe prototype was moved to the University of Toronto in 1971
PTRPool type Shut Down1990Chalk River Laboratories
ZED-2 Operational200 Wth1960Chalk River Laboratories
ZEEPHeavy water Shut Down019451973Chalk River LaboratoriesThe first nuclear reactor in Canada, and first outside the United States
WR-1Organiclly-cooled CANDU Shut Down19651985Whiteshell LaboratoriesCoolant leak of 2,739 litres in Nov. 1978.
SLOWPOKE-3 demonstrationPool type Shut Down2 MWth19871989Whiteshell Laboratories
SLOWPOKE-2Pool type Operational01981Saskatchewan Research CouncilOn 17 January 2018, the reactor surpassed 20,000 hours of operation
SLOWPOKE-2Pool type Shut Down20 kW19841989Nordion
SLOWPOKE-2 prototypePool type Shut Down20 kW1971Tunney's Pasture
SLOWPOKE-2Pool type Shut Down20 kW1976Dalhousie University
Pool type Operational01976École Polytechnique de Montréal
McMaster Nuclear ReactorSLOWPOKE-2 pool type Operational5 MWth1959McMaster University
SLOWPOKE-2Pool type Operational20 kW1985Royal Military College
SLOWPOKE-2Pool type Shut Down20 kW19772017University of Alberta
SLOWPOKE-2Pool type Shut Down20 kW19762001University of TorontoRebuilt from SLOWPOKE-1

Chile

Shut down:
Working:
Tamuz-1 and Tamuz-2 are parts of the same French nuclear research complex design, the OSIRIS research complex. All three reactors were located at the same site.

Israel

Under IAEA safeguards
ReactorTypeMWLocationStatus
PARR IPool-type reactor10IslamabadOperational since 1965
PARR IIPool-type reactor30 kWIslamabadOperational since 1974

Not under IAEA safeguards
ReactorTypeMWLocationStatus
Khushab-IHWRClassified. Estimated: 50-70KhushabOperational since 1998
Khushab-IIHWRClassifiedKhushabOperational since 2010
Khushab-IIIHWRClassifiedKhushabUnder construction
Khushab-IVHWRClassifiedKhushabUnder construction

Panama

A total of 98 nuclear research facilities, including:

South Africa

NameLocationDescriptionPowerOperationalCurrent status
R1KTH, StockholmResearch1 MW1954–1970dismantled
R2StudsvikResearch, production of isotopes for industry50 MW1960–2005shut down
R2-0StudsvikResearch, production of isotopes for industry1 MW1960–2005shut down
Ågestaverket Farsta, StockholmDistrict heating80 MW1963–1973shut down
R4Marviken, NorrköpingResearch, plutonium productionnever completedabandoned in 1970
FR-0StudsvikResearch, zero-power fast reactorlow1964–1971dismantled

Switzerland

Plutonium production reactors

Under decommission orders or license amendments