Reactor Atlas
ES
Reactor type

Pressurized heavy water (PHWR · CANDU)

Heavy water as moderator, which allows natural uranium fuel and on-power refuelling. Canada, India and Argentina are its main users.

How does a PHWR CANDU work?View on the map
Operating
45
of 71 built or planned
Capacity
22,785 MWe
Countries
5

Units

UnitCountryModelStatusMWeConnection
Darlington 1Canada CanadaCANDU 850Operating8781992
Darlington 2Canada CanadaCANDU 850Operating8781990
Darlington 3Canada CanadaCANDU 850Operating8781993
Darlington 4Canada CanadaCANDU 850Operating8781993
Bruce A2Canada CanadaCANDU 791Operating8171977
Bruce B5Canada CanadaCANDU 750BOperating8171985
Bruce B6Canada CanadaCANDU 750BOperating8171984
Bruce B7Canada CanadaCANDU 750BOperating8171986
Bruce B8Canada CanadaCANDU 750BOperating8171987
Bruce A1Canada CanadaCANDU 791Operating8161977
Bruce A4Canada CanadaCANDU 750AOperating8071979
Bruce A3Canada CanadaCANDU 750AOperating7701978
Cernavodă 3Romania RomaniaCANDU-6Planned7202030
Cernavodă 4Romania RomaniaCANDU-6Planned7202031
Chutka 1India Indiarowspan=6| IPHWR-700Planned7002031
Chutka 2India India630Planned7002031
Mahi Banswara 1India Indiarowspan=4|IPHWR-700Planned7002031
Mahi Banswara 2India India630Planned7002029
Mahi Banswara 3India India630Planned7002029
Mahi Banswara 4India India630Planned7002029
Atucha 2Argentina ArgentinaSiemens-KWUOperating6932016
Wolsong 1South Korea South KoreaCANDU-6Shut down6611983
Point LepreauCanada CanadaCANDU-6Operating6601983
Cernavodă 1Romania RomaniaCANDU-6Operating6501996
Cernavodă 2Romania RomaniaCANDU-6Operating6502007
Gentilly 2Canada CanadaCANDU-6Shut down6351983
Gorakhpur Haryana 1India IndiaPHWR-700Planned6302029
Gorakhpur Haryana 2India IndiaPHWR-700Planned6302029
Kaiga 5India India{{partial|Under construction}}Planned6302026
Kaiga 6India India630Planned6302026
Kakrapar 3India India{{yes|Operational}}Operating6302023
Kakrapar 4India IndiaPHWR-700Operating6302024
Rajasthan 7India India{{yes|Operational}}Under construction6302025
Rajasthan 8India IndiaHorizontal PreUnder construction6302023
EmbalseArgentina ArgentinaCANDU-6Operating6081984
Wolsong 3South Korea South KoreaCANDU-6Operating5951998
Wolsong 2South Korea South KoreaCANDU-6Operating5711997
Wolsong 4South Korea South KoreaCANDU-6Operating5691999
Pickering B5Canada CanadaCANDU 500BOperating5161983
Pickering B6Canada CanadaCANDU 500BOperating5161984
Pickering B7Canada CanadaCANDU 500BOperating5161985
Pickering B8Canada CanadaCANDU 500BOperating5161986
Pickering A1Canada CanadaCANDU 500AShut down5151971
Pickering A2Canada Canada—Shut down5151971
Pickering A3Canada Canada—Shut down5151972
Pickering A4Canada CanadaCANDU 500AShut down5151973
Tarapur 3India Indiarowspan=2|IPHWR-540Operating4902006
Tarapur 4India IndiaHorizontalOperating4902005
Atucha 1Argentina ArgentinaSiemens-KWUOperating3401974
Douglas Point (AECL)Canada CanadaCANDU 200Shut down2061968
Madras 1India Indiarowspan=2|IPHWR-220Operation suspended2051984
Madras 2India IndiaHorizontalOperating2051986
Kaiga 1India India{{yes2|Operation suspended (Under maintenance)}}Operating2022000
Kaiga 2India IndiaHorizontalOperating2022000
Kaiga 3India IndiaHorizontalOperating2022007
Kaiga 4India IndiaHorizontalOperating2022011
Kakrapar 1India India{{yes|Operational}}Operating2021993
Kakrapar 2India IndiaHorizontalOperating2021995
Narora 1India India{{yes|Operational}}Operating2021991
Narora 2India IndiaHorizontalOperating2021992
Rajasthan 3India India{{yes|Operational}}Operating2022000
Rajasthan 4India IndiaHorizontalOperating2022000
Rajasthan 5India IndiaHorizontalOperating2022010
Rajasthan 6India IndiaHorizontalOperating2022010
Rajasthan 2India IndiaHorizontalOperating1871981
Rajasthan 1India India{{no|Shut down}}Operation suspended1341973
Karachi 1Pakistan PakistanCANDUShut down901972
MZFRGermany GermanyPHWRShut down521966
Nuclear Power Demonstration (NPD)Canada Canada—Shut down221962
Carolinas-Virginia Tube ReactorUnited States United States—Shut down171963
AgestaSweden SwedenR3Shut down101964