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REACTOR DATA / OPERATING

Operating Reactors

Search the PRIS operating fleet by country, reactor technology and capacity. Suspended operation is shown separately.

PRIS “Operational” is a fleet classification, not a statement that a unit is generating electricity now. Suspended units are excluded by default.

Explore the records

417 records · showing the first 10

Sources & methodology

ATUCHA-1

Operational

PRIS fields checked: 2026-10-26

Country
Argentina
Technology
PHWR KWU
Net capacity
335 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
NUCLEOELECTRICA ARGENTINA S.A.
Gross capacity
358 MWe
Construction date
1968-05-31
Commercial operation
1974-06-24
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

ATUCHA-2

Operational

PRIS fields checked: 2026-10-26

Country
Argentina
Technology
PHWR KWU
Net capacity
688 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
NUCLEOELECTRICA ARGENTINA S.A.
Gross capacity
740 MWe
Construction date
1981-07-09
Commercial operation
2016-05-22
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

EMBALSE

Operational

PRIS fields checked: 2026-10-26

Country
Argentina
Technology
CANDU 6
Net capacity
608 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
NUCLEOELECTRICA ARGENTINA S.A.
Gross capacity
656 MWe
Construction date
1974-03-31
Commercial operation
1984-01-20
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

ARMENIAN-2

Operational

PRIS fields checked: 2026-10-26

Country
Armenia
Technology
VVER V-270
Net capacity
416 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
Closed Joint Stock Company Armenian NPP
Gross capacity
448 MWe
Construction date
1975-07-01
Commercial operation
1980-05-03
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

BELARUSIAN-1

Operational

PRIS fields checked: 2026-10-26

Country
Belarus
Technology
VVER V-491
Net capacity
1110 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
Republican Unitary Enterprise "Belarusian Nuclear Power Plant"
Gross capacity
1194 MWe
Construction date
2013-11-08
Commercial operation
2021-06-10
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
Not mapped

BELARUSIAN-2

Operational

PRIS fields checked: 2026-10-26

Country
Belarus
Technology
VVER V-491
Net capacity
1110 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
Republican Unitary Enterprise "Belarusian Nuclear Power Plant"
Gross capacity
1194 MWe
Construction date
2014-04-27
Commercial operation
2023-11-01
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
Not mapped

DOEL-4

Operational

PRIS fields checked: 2026-10-26

Country
Belgium
Technology
WH 3LP
Net capacity
1026 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
ENGIE ELECTRABEL + EDF BELGIUM + EDF LUMINUS
Gross capacity
1090 MWe
Construction date
1978-12-01
Commercial operation
1985-07-01
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

TIHANGE-3

Operational

PRIS fields checked: 2026-10-26

Country
Belgium
Technology
WH 3LP
Net capacity
1030 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
ENGIE ELECTRABEL
Gross capacity
1089 MWe
Construction date
1978-11-01
Commercial operation
1985-09-01
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

ANGRA-1

Operational

PRIS fields checked: 2026-10-26

Country
Brazil
Technology
WH 2LP
Net capacity
609 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
ELETRONUCLEAR S.A.
Gross capacity
640 MWe
Construction date
1971-05-01
Commercial operation
1985-01-01
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13

ANGRA-2

Operational

PRIS fields checked: 2026-10-26

Country
Brazil
Technology
PRE KONVOI
Net capacity
1275 MWe
Record unit
Reactor
Details & sources

Facility scope
Power reactor
Project state
Unknown
Operator
ELETRONUCLEAR S.A.
Gross capacity
1350 MWe
Construction date
1976-01-01
Commercial operation
2001-02-01
Baseline review
2026-09-13
Source observation date
See linked source
Site coordinates reviewed
2026-09-13