Currently in operation
(in chronological order of start of operations)
Alcator C-Mod
TM1-MH (since 1977 Castor, since 2007 Golem[9]) in Prague, Czech Republic; in operation in Kurchatov Institute since early 1960s; 1977 renamed to Castor and moved to IPP CAS,[10] Prague; 2007 moved to FNSPE, Czech Technical University in Prague, and renamed to Golem[11]
H-1NF H-1 National Plasma Fusion Research Facility, h1nF[12] based on the H-1 Heliac device built by Australia National University's plasma physics group and in operation since 1992
T-10, in Kurchatov Institute, Moscow, Russia (formerly Soviet Union); 2 MW; in operation since 1975
TEXTOR, in Jülich, Germany; in operation since 1978
Joint European Torus (JET), in Culham, United Kingdom; 16 MW; in operation since 1983
Novillo Tokamak,[13] at the Instituto Nacional de Investigaciones Nucleares,in Mexico City, Mexico; in operation since 1983
JT-60, in Naka, Ibaraki Prefecture, Japan; in operation since 1985 (Currently undergoing upgrade to Super, Advanced model)
STOR-M, University of Saskatchewan; Canada in operation since 1987; first demonstration of alternating current in a tokamak.
Tore Supra,[14] at the CEA, Cadarache, France; in operation since 1988
Aditya, at Institute for Plasma Research (IPR) in Gujarat, India; in operation since 1989
DIII-D,[15] in San Diego, USA; operated by General Atomics since the late 1980s
COMPASS,[10] in Prague, Czech Republic; in operation since 2008, previously operated from 1989 to 1999 in Culham, United Kingdom
FTU, in Frascati, Italy; in operation since 1990
Tokamak ISTTOK,[16] at the Instituto de Plasmas e Fusão Nuclear, Lisbon, Portugal; in operation since 1991
Outside view of the NSTX reactor
ASDEX Upgrade, in Garching, Germany; in operation since 1991
Alcator C-Mod,[17] MIT, Cambridge, USA; in operation since 1992
Tokamak à configuration variable (TCV), at the EPFL, Switzerland; in operation since 1992
TCABR, at the University of São Paulo, São Paulo, Brazil; this tokamak was transferred from Centre des Recherches en Physique des Plasmas in Switzerland; in operation since 1994.
HT-7, in Hefei, China; in operation since 1995
HL-2A, in Chengdu, China; in operation since 2002
MAST, in Culham, United Kingdom; in operation since 1999
NSTX in Princeton, New Jersey; in operation since 1999
Pegasus Toroidal Experiment[18] at the University of Wisconsin-Madison; in operation since the late 1990s
EAST (HT-7U), in Hefei, China; in operation since 2006
KSTAR, in Daejon, South Korea; in operation since 2008
SST-1, in Institute for Plasma Research Gandhinagar, India; 1000 seconds operation.[19]
IR-T1, Islamic Azad University, Science and Research Branch, Tehran, Iran[20]
Previously operated
The control room of the Alcator C tokamak at the MIT Plasma Science and Fusion Center, in about 1982–1983.
LT-1, Australia National University's plasma physics group built the first tokamak outside of Soviet Union c. 1963
T-3, in Kurchatov Institute, Moscow, Russia (formerly Soviet Union);
T-4, in Kurchatov Institute, Moscow, Russia (formerly Soviet Union); in operation in 1968
Texas Turbulent Tokamak, University of Texas, USA; in operation from 1971 to 1980.
Tokamak de Fontenay aux Roses (TFR), near Paris, France
Alcator A and Alcator C, MIT, USA; in operation from 1973 until 1979 and from 1978 until 1987, respectively.
TFTR, Princeton University, USA; in operation from 1982 until 1997
T-15, in Kurchatov Institute, Moscow, Russia (formerly Soviet Union); 10 MW; in operation from 1988 until 2005
UCLA Electric Tokamak, in Los Angeles, United States; in operation from 1999 to 2005
Tokamak de Varennes; Varennes, Canada; in operation from 1987 until 1999; operated by Hydro-Québec and used by researchers from Institut de recherche en électricité du Québec (IREQ) and the Institut national de la recherche scientifique (INRS)
START in Culham, United Kingdom; in operation from 1991 until 1998
COMPASS in Culham; in operation until 2001
HL-1M Tokamak,Chengdu,China; in operation from 1994 to 2001
MT-1 Tokamak, Budapest, Hungary 1979-1998 (Built at the Kurchatov Institute, Russia, transported to Hungary in 1979, rebuilt in 1991 to MT-1M)
Planned
ITER, international project in Cadarache, France; 500 MW; construction began in 2010, first plasma expected in 2020.[21]
DEMO; 2000 MW, continuous operation, connected to power grid. Planned successor to ITER; construction to begin in 2024 according to preliminary timetable.