Every nuclear reactor in the world
There are 419 operating nuclear power units on earth, totalling 404.8 GW of gross capacity, with 85 under construction. Counting everything ever proposed — including 235 retired and 535 cancelled units — this table holds 1823. Filter by country, status, type or decade.
Showing 1825 of 1825 units
| Unit | Country | Status | Type | Gross MW | Online |
|---|---|---|---|---|---|
| AVR Reactor nuclear power plant | Germany | Retired | HTGR | 15 | 1969 |
| Aalo Atomics Idaho nuclear power plant 1 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 2 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 3 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 4 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 5 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 6 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Idaho nuclear power plant 7 | United States | Announced | — | 10 | 2030 |
| Aalo Atomics Texas A&M nuclear power plant 1 | United States | Announced | — | 10 | — |
| Aalo Atomics Texas A&M nuclear power plant 2 | United States | Announced | — | 10 | — |
| Aalo Atomics Texas A&M nuclear power plant 3 | United States | Announced | — | 10 | — |
| Aalo Atomics Texas A&M nuclear power plant 4 | United States | Announced | — | 10 | — |
| Aalo Atomics Texas A&M nuclear power plant 5 | United States | Announced | — | 10 | — |
| Agesta nuclear power plant | Sweden | Retired | PHWR | 12 | 1964 |
| Akademik Lomonosov nuclear power plant 1 | Russia | PWR | 35 | 2020 | |
| Akademik Lomonosov nuclear power plant 2 | Russia | PWR | 35 | 2020 | |
| Akkuyu nuclear power plant 1 | Türkiye | Under construction | PWR | 1,200 | 2026 |
| Akkuyu nuclear power plant 2 | Türkiye | Under construction | PWR | 1,200 | 2027 |
| Akkuyu nuclear power plant 3 | Türkiye | Under construction | PWR | 1,200 | 2028 |
| Akkuyu nuclear power plant 4 | Türkiye | Under construction | PWR | 1,200 | 2028 |
| Aktau nuclear power plant | Kazakhstan | Retired | FBR | 90 | 1973 |
| Alan R. Barton nuclear power plant 1 | United States | Cancelled | BWR | 1,159 | — |
| Alan R. Barton nuclear power plant 2 | United States | Cancelled | BWR | 1,159 | — |
| Alan R. Barton nuclear power plant 3 | United States | Cancelled | BWR | 1,159 | — |
| Alan R. Barton nuclear power plant 4 | United States | Cancelled | BWR | 1,159 | — |
| Alberta nuclear power plant 1 | Canada | Announced | — | 315 | 2030 |
| Alberta nuclear power plant 2 | Canada | Announced | — | 315 | 2030 |
| Allens Creek nuclear power plant 1 | United States | Cancelled | BWR | 1,150 | — |
| Allens Creek nuclear power plant 2 | United States | Cancelled | BWR | 1,150 | — |
| Almaraz nuclear power plant 1 | Spain | PWR | 1,049 | 1983 | |
| Almaraz nuclear power plant 2 | Spain | PWR | 1,044 | 1984 | |
| Alvin W Vogtle nuclear power plant 1 | United States | PWR | 1,229 | 1987 | |
| Alvin W Vogtle nuclear power plant 2 | United States | PWR | 1,229 | 1989 | |
| Alvin W Vogtle nuclear power plant 3 | United States | PWR | 1,250 | 2023 | |
| Alvin W Vogtle nuclear power plant 4 | United States | PWR | 1,250 | 2023 | |
| Amarillo nuclear power plant 1 | United States | Cancelled | PWR | 1,710 | — |
| Amarillo nuclear power plant 2 | United States | Cancelled | PWR | 1,710 | — |
| Angra nuclear power plant 1 | Brazil | PWR | 640 | 1985 | |
| Angra nuclear power plant 2 | Brazil | PWR | 1,350 | 2001 | |
| Angra nuclear power plant 3 | Brazil | Under construction | PWR | 1,405 | 2031 |
| Anhui Wuhu nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Anhui Wuhu nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Anhui Wuhu nuclear power plant 2-3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Anhui Wuhu nuclear power plant 2-4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Arkansas Nuclear One nuclear power plant 1 | United States | PWR | 903 | 1974 | |
| Arkansas Nuclear One nuclear power plant 2 | United States | PWR | 1,065 | 1980 | |
| Armenian nuclear power plant 1 | Armenia | Retired | PWR | 408 | 1977 |
| Armenian nuclear power plant 2 | Armenia | PWR | 448 | 1980 | |
| Armenian nuclear power plant 3 | Armenia | Announced | — | 1,200 | — |
| Ascó nuclear power plant 1 | Spain | PWR | 1,033 | 1984 | |
| Ascó nuclear power plant 2 | Spain | PWR | 1,027 | 1986 | |
| Ashihama nuclear power plant 1 | Japan | Cancelled | — | 1,300 | — |
| Ashihama nuclear power plant 2 | Japan | Cancelled | — | 1,300 | — |
| Astravets nuclear power plant 1 | Belarus | PWR | 1,194 | 2021 | |
| Astravets nuclear power plant 2 | Belarus | PWR | 1,194 | 2023 | |
| Astravets nuclear power plant 3 | Belarus | Pre-construction | PWR | 1,200 | 2035 |
| Atlantic nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| Atlantic nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| Atlantic nuclear power plant 3 | United States | Cancelled | PWR | 1,150 | — |
| Atlantic nuclear power plant 4 | United States | Cancelled | PWR | 1,150 | — |
| Atomic Power Station 1 Obninsk nuclear power plant | Russia | Retired | LWGR | 6 | 1954 |
| Atucha nuclear power plant 1 | Argentina | PHWR | 362 | 1974 | |
| Atucha nuclear power plant 2 | Argentina | PHWR | 745 | 2016 | |
| Atucha nuclear power plant 3 | Argentina | Shelved | PWR | 1,150 | — |
| Atucha nuclear power plant SMR 1 | Argentina | Announced | — | 300 | 2030 |
| Atucha nuclear power plant SMR 2 | Argentina | Announced | — | 300 | — |
| Atucha nuclear power plant SMR 3 | Argentina | Announced | — | 300 | — |
| Atucha nuclear power plant SMR 4 | Argentina | Announced | — | 300 | — |
| Aurora nuclear power plant 1 | United States | Pre-construction | FBR | 75 | 2027 |
| Aurora nuclear power plant Microreactor | United States | Cancelled | FBR | 2 | — |
| BR3 nuclear power plant 3 | Belgium | Retired | PWR | 12 | 1962 |
| Bailly nuclear power plant 1 | United States | Cancelled | BWR | 644 | — |
| Bailong nuclear power plant 1-1 | China | Under construction | PWR | 1,254 | 2030 |
| Bailong nuclear power plant 1-2 | China | Pre-construction | PWR | 1,250 | — |
| Bailong nuclear power plant 3 | China | Announced | PWR | 1,400 | — |
| Bailong nuclear power plant 4 | China | Announced | PWR | 1,400 | — |
| Bailong nuclear power plant 5 | China | Announced | PWR | 1,400 | — |
| Bailong nuclear power plant 6 | China | Announced | PWR | 1,400 | — |
| Balakovo nuclear power plant 1 | Russia | PWR | 1,000 | 1986 | |
| Balakovo nuclear power plant 2 | Russia | PWR | 1,000 | 1988 | |
| Balakovo nuclear power plant 3 | Russia | PWR | 1,000 | 1989 | |
| Balakovo nuclear power plant 4 | Russia | PWR | 1,000 | 1993 | |
| Balakovo nuclear power plant 5 | Russia | Cancelled (inferred) | PWR | 950 | — |
| Balakovo nuclear power plant 6 | Russia | Cancelled (inferred) | PWR | 950 | — |
| Baltiyskaya nuclear power plant 1 | Russia | Cancelled (inferred) | PWR | 1,194 | — |
| Baltiyskaya nuclear power plant 2 | Russia | Cancelled (inferred) | PWR | 1,170 | — |
| Bangka Belitung Islands nuclear power plant 1 | Indonesia | Announced | MSR | 250 | 2032 |
| Bangka Belitung Islands nuclear power plant 2 | Indonesia | Announced | MSR | 250 | — |
| Bangka Belitung nuclear power plant 1 | Indonesia | Cancelled | — | 1,000 | — |
| Bangka Belitung nuclear power plant 2 | Indonesia | Cancelled | — | 1,000 | — |
| Barakah nuclear power plant 1 | United Arab Emirates | PWR | 1,417 | 2021 | |
| Barakah nuclear power plant 2 | United Arab Emirates | PWR | 1,417 | 2022 | |
| Barakah nuclear power plant 3 | United Arab Emirates | PWR | 1,417 | 2023 | |
| Barakah nuclear power plant 4 | United Arab Emirates | PWR | 1,417 | 2024 | |
| Barseback nuclear power plant 1 | Sweden | Retired | BWR | 615 | 1975 |
| Barseback nuclear power plant 2 | Sweden | Retired | BWR | 615 | 1977 |
| Bashkir nuclear power plant 1 | Russia | Cancelled | PWR | 1,255 | — |
| Bashkir nuclear power plant 2 | Russia | Cancelled | PWR | 1,255 | — |
| Bashkir nuclear power plant 3 | Russia | Cancelled | PWR | 950 | — |
| Bashkir nuclear power plant 4 | Russia | Cancelled | PWR | 950 | — |
| Bataan nuclear power plant 1 | Philippines | Mothballed | PWR | 621 | — |
| Bataan nuclear power plant 1 Repower | Philippines | Announced | PWR | 621 | 2032 |
| Bataan nuclear power plant 2 | Philippines | Announced | — | 579 | 2032 |
| Beaver Valley nuclear power plant 1 | United States | PWR | 959 | 1976 | |
| Beaver Valley nuclear power plant 2 | United States | PWR | 958 | 1987 | |
| Belene Original nuclear power plant 1 | Bulgaria | Cancelled | PWR | 1,000 | — |
| Belene Original nuclear power plant 2 | Bulgaria | Cancelled | PWR | 1,000 | — |
| Belene nuclear power plant 1 | Bulgaria | Cancelled | — | 1,000 | — |
| Belene nuclear power plant 2 | Bulgaria | Cancelled | — | 1,000 | — |
| Belews Creek nuclear power plant 1 | United States | Announced | — | 300 | 2036 |
| Belews Creek nuclear power plant 2 | United States | Announced | — | 300 | 2037 |
| Bell Bend nuclear power plant | United States | Cancelled | PWR | 1,600 | — |
| Bell nuclear power plant | United States | Cancelled | — | 838 | — |
| Bellefonte nuclear power plant 1 | United States | Cancelled | PWR | 1,256 | — |
| Bellefonte nuclear power plant 2 | United States | Cancelled | PWR | 1,256 | — |
| Bellefonte nuclear power plant 3 | United States | Cancelled | PWR | 1,117 | — |
| Bellefonte nuclear power plant 4 | United States | Cancelled | PWR | 1,117 | — |
| Belleville nuclear power plant 1 | France | PWR | 1,363 | 1988 | |
| Belleville nuclear power plant 2 | France | PWR | 1,363 | 1989 | |
| Beloyarsk nuclear power plant 1 | Russia | Retired | LWGR | 108 | 1964 |
| Beloyarsk nuclear power plant 2 | Russia | Retired | LWGR | 160 | 1969 |
| Beloyarsk nuclear power plant 3 | Russia | FBR | 600 | 1981 | |
| Beloyarsk nuclear power plant 4 | Russia | FBR | 885 | 2016 | |
| Beloyarsk nuclear power plant 5 | Russia | Pre-construction | FBR | 1,200 | 2034 |
| Beloyarsk nuclear power plant 6 | Russia | Cancelled (inferred) | FBR | 1,600 | — |
| Berkeley nuclear power plant 1 | United Kingdom | Retired | GCR | 166 | 1962 |
| Berkeley nuclear power plant 2 | United Kingdom | Retired | GCR | 166 | 1962 |
| Beznau nuclear power plant 1 | Switzerland | PWR | 380 | 1969 | |
| Beznau nuclear power plant 2 | Switzerland | PWR | 380 | 1972 | |
| Beznau nuclear power plant 3 | Switzerland | Cancelled | — | 1,600 | — |
| Bhimpur nuclear power plant 1 | India | Cancelled (inferred) | PHWR | 700 | — |
| Bhimpur nuclear power plant 2 | India | Cancelled (inferred) | PHWR | 700 | — |
| Bhimpur nuclear power plant 3 | India | Cancelled (inferred) | PHWR | 700 | — |
| Bhimpur nuclear power plant 4 | India | Cancelled (inferred) | PHWR | 700 | — |
| Biblis nuclear power plant A | Germany | Retired | PWR | 1,225 | 1975 |
| Biblis nuclear power plant B | Germany | Retired | PWR | 1,300 | 1977 |
| Big Rock Point nuclear power plant | United States | Retired | BWR | 71 | 1963 |
| Bihar nuclear power plant 1 | India | Announced | — | 700 | — |
| Bihar nuclear power plant 2 | India | Announced | — | 700 | — |
| Bilibino nuclear power plant 1 | Russia | Retired | LWGR | 12 | 1974 |
| Bilibino nuclear power plant 2 | Russia | Retired | LWGR | 12 | 1975 |
| Bilibino nuclear power plant 3 | Russia | Retired | LWGR | 12 | 1976 |
| Bilibino nuclear power plant 4 | Russia | Retired | LWGR | 12 | 1977 |
| Black Fox nuclear power plant 1 | United States | Cancelled | BWR | 1,150 | — |
| Black Fox nuclear power plant 2 | United States | Cancelled | BWR | 1,150 | — |
| Blayais nuclear power plant 1 | France | PWR | 951 | 1981 | |
| Blayais nuclear power plant 2 | France | PWR | 951 | 1983 | |
| Blayais nuclear power plant 3 | France | PWR | 951 | 1983 | |
| Blayais nuclear power plant 4 | France | PWR | 951 | 1983 | |
| Blue Castle nuclear power plant Original 1 | United States | Cancelled | PWR | 1,250 | — |
| Blue Castle nuclear power plant Original 2 | United States | Cancelled | PWR | 1,250 | — |
| Blue Castle nuclear power plant SMR-1 | United States | Announced | — | 300 | — |
| Blue Castle nuclear power plant SMR-2 | United States | Announced | — | 300 | — |
| Blue Castle nuclear power plant SMR-3 | United States | Announced | — | 300 | — |
| Blue Castle nuclear power plant SMR-4 | United States | Announced | — | 300 | — |
| Blue Hills nuclear power plant 1 | United States | Cancelled | PWR | 918 | — |
| Blue Hills nuclear power plant 2 | United States | Cancelled | PWR | 918 | — |
| Blykalla nuclear power plant 1 | Sweden | Announced | FBR | 55 | — |
| Blykalla nuclear power plant 2 | Sweden | Announced | FBR | 55 | — |
| Blykalla nuclear power plant 3 | Sweden | Announced | FBR | 55 | — |
| Blykalla nuclear power plant 4 | Sweden | Announced | FBR | 55 | — |
| Blykalla nuclear power plant 5 | Sweden | Announced | FBR | 55 | — |
| Blykalla nuclear power plant 6 | Sweden | Announced | FBR | 55 | — |
| Bohunice nuclear power plant 1 | Slovakia | Retired | PWR | 440 | 1980 |
| Bohunice nuclear power plant 2 | Slovakia | Retired | PWR | 440 | 1981 |
| Bohunice nuclear power plant 3 | Slovakia | PWR | 500 | 1985 | |
| Bohunice nuclear power plant 4 | Slovakia | PWR | 500 | 1985 | |
| Bohunice nuclear power plant 5 | Slovakia | Pre-construction | PWR | 1,200 | 2040 |
| Bohunice nuclear power plant A1 | Slovakia | Retired | PHWR | 143 | 1972 |
| Boiling Nuclear Superheater (BONUS) nuclear power plant | Puerto Rico | Retired | BWR | 18 | 1965 |
| Borssele nuclear power plant 1 | Netherlands | PWR | 515 | 1973 | |
| Borssele nuclear power plant 2 | Netherlands | Pre-construction | PWR | 1,650 | 2035 |
| Borssele nuclear power plant 3 | Netherlands | Pre-construction | PWR | 1,650 | 2035 |
| Bradwell B nuclear power plant 1 | United Kingdom | Cancelled | PWR | 1,150 | — |
| Bradwell B nuclear power plant 2 | United Kingdom | Cancelled | PWR | 1,150 | — |
| Bradwell nuclear power plant 1 | United Kingdom | Retired | GCR | 146 | 1962 |
| Bradwell nuclear power plant 2 | United Kingdom | Retired | GCR | 146 | 1962 |
| Braidwood nuclear power plant 1 | United States | PWR | 1,270 | 1988 | |
| Braidwood nuclear power plant 2 | United States | PWR | 1,230 | 1988 | |
| Brennilis nuclear power plant | France | Retired | PHWR | 75 | 1968 |
| Brokdorf nuclear power plant | Germany | Retired | PWR | 1,480 | 1986 |
| Browns Ferry nuclear power plant 1 | United States | BWR | 1,256 | 1974 | |
| Browns Ferry nuclear power plant 2 | United States | BWR | 1,259 | 1975 | |
| Browns Ferry nuclear power plant 3 | United States | BWR | 1,260 | 1977 | |
| Bruce nuclear power plant A1 | Canada | PHWR | 868 | 1977 | |
| Bruce nuclear power plant A2 | Canada | PHWR | 836 | 1977 | |
| Bruce nuclear power plant A3 | Canada | PHWR | 865 | 1978 | |
| Bruce nuclear power plant A4 | Canada | PHWR | 868 | 1979 | |
| Bruce nuclear power plant B5 | Canada | PHWR | 872 | 1985 | |
| Bruce nuclear power plant B6 | Canada | PHWR | 891 | 1984 | |
| Bruce nuclear power plant B7 | Canada | PHWR | 872 | 1986 | |
| Bruce nuclear power plant B8 | Canada | PHWR | 872 | 1987 | |
| Bruce nuclear power plant C1 | Canada | Announced | — | 1,000 | — |
| Bruce nuclear power plant C2 | Canada | Announced | — | 1,000 | — |
| Bruce nuclear power plant C3 | Canada | Announced | — | 1,000 | — |
| Bruce nuclear power plant C4 | Canada | Announced | — | 1,000 | — |
| Brunsbuettel nuclear power plant | Germany | Retired | BWR | 806 | 1977 |
| Brunswick nuclear power plant 1 | United States | BWR | 990 | 1977 | |
| Brunswick nuclear power plant 2 | United States | BWR | 960 | 1975 | |
| Bugey nuclear power plant 1 | France | Retired | GCR | 555 | 1972 |
| Bugey nuclear power plant 2 | France | PWR | 945 | 1979 | |
| Bugey nuclear power plant 3 | France | PWR | 945 | 1979 | |
| Bugey nuclear power plant 4 | France | PWR | 917 | 1979 | |
| Bugey nuclear power plant 5 | France | PWR | 917 | 1980 | |
| Bugey nuclear power plant 6 | France | Announced | PWR | 1,650 | — |
| Bugey nuclear power plant 7 | France | Announced | PWR | 1,650 | — |
| Bushehr nuclear power plant 1 | Iran | PWR | 1,000 | 2013 | |
| Bushehr nuclear power plant 2 | Iran | Under construction | PWR | 1,057 | 2029 |
| Bushehr nuclear power plant 3 | Iran | Pre-construction | PWR | 1,057 | 2031 |
| Buyende nuclear power plant 1 | Uganda | Announced | PWR | 1,000 | 2031 |
| Buyende nuclear power plant 2 | Uganda | Announced | PWR | 1,000 | — |
| Byron nuclear power plant 1 | United States | PWR | 1,242 | 1985 | |
| Byron nuclear power plant 2 | United States | PWR | 1,210 | 1987 | |
| CAREM nuclear power plant | Argentina | Shelved | PWR | 29 | — |
| CFPP nuclear power plant 1 | United States | Cancelled | — | 77 | — |
| CFPP nuclear power plant 2 | United States | Cancelled | — | 77 | — |
| CFPP nuclear power plant 3 | United States | Cancelled | — | 77 | — |
| CFPP nuclear power plant 4 | United States | Cancelled | — | 77 | — |
| CFPP nuclear power plant 5 | United States | Cancelled | — | 77 | — |
| CFPP nuclear power plant 6 | United States | Cancelled | — | 77 | — |
| CGN Bohai ACPR50S nuclear power plant 1 | China | Cancelled (inferred) | — | 60 | — |
| CNNC ACP100S nuclear power plant 1 | China | Cancelled (inferred) | PWR | 125 | — |
| CNNC ACP100S nuclear power plant 2 | China | Cancelled (inferred) | PWR | 125 | — |
| CNNC ACP100S nuclear power plant 3 | China | Cancelled (inferred) | PWR | 125 | — |
| CNNC ACP100S nuclear power plant 4 | China | Cancelled (inferred) | PWR | 125 | — |
| Calder Hall nuclear power plant 1 | United Kingdom | Retired | GCR | 60 | 1956 |
| Calder Hall nuclear power plant 2 | United Kingdom | Retired | GCR | 60 | 1957 |
| Calder Hall nuclear power plant 3 | United Kingdom | Retired | GCR | 60 | 1958 |
| Calder Hall nuclear power plant 4 | United Kingdom | Retired | GCR | 60 | 1959 |
| Callaway nuclear power plant 1 | United States | PWR | 1,275 | 1984 | |
| Callaway nuclear power plant 2 | United States | Cancelled | — | 1,120 | — |
| Callaway nuclear power plant 2A | United States | Cancelled | PWR | 1,600 | — |
| Calvert Cliffs nuclear power plant 1 | United States | PWR | 918 | 1975 | |
| Calvert Cliffs nuclear power plant 2 | United States | PWR | 911 | 1977 | |
| Calvert Cliffs nuclear power plant 3 | United States | Cancelled | PWR | 1,600 | — |
| Cangnan San'ao nuclear power plant 1-1 | China | PWR | 1,215 | 2026 | |
| Cangnan San'ao nuclear power plant 1-2 | China | Under construction | PWR | 1,210 | 2026 |
| Cangnan San'ao nuclear power plant 2-3 | China | Under construction | PWR | 1,215 | — |
| Cangnan San'ao nuclear power plant 2-4 | China | Pre-construction | PWR | 1,150 | — |
| Cangnan San'ao nuclear power plant 3-5 | China | Announced | PWR | 1,150 | — |
| Cangnan San'ao nuclear power plant 3-6 | China | Announced | PWR | 1,150 | — |
| Caorso nuclear power plant | Italy | Retired | BWR | 882 | 1981 |
| Cape Nagloynyn floating nuclear power plant 1 | Russia | Under construction | PWR | 106 | 2028 |
| Cape Nagloynyn floating nuclear power plant 2 | Russia | Under construction | PWR | 106 | 2028 |
| Cape Nagloynyn floating nuclear power plant 3 | Russia | Pre-construction | PWR | 106 | 2028 |
| Cape Nagloynyn floating nuclear power plant 4 | Russia | Announced | PWR | 106 | 2031 |
| Carolinas-Virginia Tube Reactor nuclear power plant | United States | Retired | PHWR | 19 | 1963 |
| Carroll County nuclear power plant 1 | United States | Cancelled | — | 1,120 | — |
| Carroll County nuclear power plant 2 | United States | Cancelled | — | 1,120 | — |
| Cascade SMR nuclear power plant 1 | United States | Pre-construction | HTGR | 80 | 2032 |
| Cascade SMR nuclear power plant 10 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 11 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 12 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 2 | United States | Pre-construction | HTGR | 80 | 2032 |
| Cascade SMR nuclear power plant 3 | United States | Pre-construction | HTGR | 80 | 2032 |
| Cascade SMR nuclear power plant 4 | United States | Pre-construction | HTGR | 80 | 2032 |
| Cascade SMR nuclear power plant 5 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 6 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 7 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 8 | United States | Announced | HTGR | 80 | 2035 |
| Cascade SMR nuclear power plant 9 | United States | Announced | HTGR | 80 | 2035 |
| Catawba nuclear power plant 1 | United States | PWR | 1,188 | 1985 | |
| Catawba nuclear power plant 2 | United States | PWR | 1,188 | 1986 | |
| Cattenom nuclear power plant 1 | France | PWR | 1,362 | 1987 | |
| Cattenom nuclear power plant 2 | France | PWR | 1,362 | 1988 | |
| Cattenom nuclear power plant 3 | France | PWR | 1,362 | 1991 | |
| Cattenom nuclear power plant 4 | France | PWR | 1,362 | 1992 | |
| Central/Kostroma nuclear power plant 1 | Russia | Cancelled | PWR | 1,250 | — |
| Central/Kostroma nuclear power plant 2 | Russia | Cancelled | PWR | 1,250 | — |
| Central/Kostroma nuclear power plant 3 | Russia | Cancelled (inferred) | PWR | 1,255 | — |
| Central/Kostroma nuclear power plant 4 | Russia | Cancelled (inferred) | PWR | 1,255 | — |
| Cernavodă nuclear power plant 1 | Romania | PHWR | 706 | 1996 | |
| Cernavodă nuclear power plant 2 | Romania | PHWR | 705 | 2007 | |
| Cernavodă nuclear power plant 3 | Romania | Pre-construction | PHWR | 720 | 2031 |
| Cernavodă nuclear power plant 4 | Romania | Pre-construction | PHWR | 720 | 2032 |
| Cernavodă nuclear power plant 5 | Romania | Cancelled | PHWR | 706 | — |
| Chalk River nuclear power plant | Canada | Shelved | — | 5 | — |
| Changde nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,000 | — |
| Changde nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,000 | — |
| Changde nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Changde nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Changjiang nuclear power plant 1 | China | PWR | 650 | 2015 | |
| Changjiang nuclear power plant 2 | China | PWR | 650 | 2016 | |
| Changjiang nuclear power plant 3 | China | Under construction | PWR | 1,198 | 2026 |
| Changjiang nuclear power plant 4 | China | Under construction | PWR | 1,200 | 2027 |
| Chapelcross nuclear power plant 1 | United Kingdom | Retired | GCR | 60 | 1959 |
| Chapelcross nuclear power plant 2 | United Kingdom | Retired | GCR | 60 | 1959 |
| Chapelcross nuclear power plant 3 | United Kingdom | Retired | GCR | 60 | 1959 |
| Chapelcross nuclear power plant 4 | United Kingdom | Retired | GCR | 60 | 1960 |
| Chashma nuclear power plant 1 | Pakistan | PWR | 325 | 2000 | |
| Chashma nuclear power plant 2 | Pakistan | PWR | 325 | 2011 | |
| Chashma nuclear power plant 3 | Pakistan | PWR | 340 | 2016 | |
| Chashma nuclear power plant 4 | Pakistan | PWR | 340 | 2017 | |
| Chashma nuclear power plant 5 | Pakistan | Under construction | PWR | 1,200 | 2030 |
| Chengde nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Chengde nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Chengde nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Chengde nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Chernobyl nuclear power plant 1 | Ukraine | Retired | LWGR | 800 | 1978 |
| Chernobyl nuclear power plant 2 | Ukraine | Retired | LWGR | 1,000 | 1979 |
| Chernobyl nuclear power plant 3 | Ukraine | Retired | LWGR | 1,000 | 1982 |
| Chernobyl nuclear power plant 4 | Ukraine | Retired | LWGR | 1,000 | 1984 |
| Chernobyl nuclear power plant 5 | Ukraine | Cancelled | LWGR | 1,000 | — |
| Chernobyl nuclear power plant 6 | Ukraine | Cancelled | LWGR | 1,000 | — |
| Cherokee nuclear power plant 1 | United States | Cancelled | PWR | 1,280 | — |
| Cherokee nuclear power plant 2 | United States | Cancelled | PWR | 1,280 | — |
| Cherokee nuclear power plant 3 | United States | Cancelled | PWR | 1,280 | — |
| Chinon nuclear power plant A-1 | France | Retired | GCR | 80 | 1964 |
| Chinon nuclear power plant A-2 | France | Retired | GCR | 230 | 1965 |
| Chinon nuclear power plant A-3 | France | Retired | GCR | 480 | 1966 |
| Chinon nuclear power plant B-1 | France | PWR | 954 | 1984 | |
| Chinon nuclear power plant B-2 | France | PWR | 954 | 1984 | |
| Chinon nuclear power plant B-3 | France | PWR | 954 | 1987 | |
| Chinon nuclear power plant B-4 | France | PWR | 954 | 1988 | |
| Chooz nuclear power plant A | France | Retired | PWR | 320 | 1967 |
| Chooz nuclear power plant B-1 | France | PWR | 1,560 | 2000 | |
| Chooz nuclear power plant B-2 | France | PWR | 1,560 | 2000 | |
| Chutka nuclear power plant 1 | India | Pre-construction | PHWR | 700 | 2031 |
| Chutka nuclear power plant 2 | India | Pre-construction | PHWR | 700 | 2031 |
| Chyhyryn nuclear power plant 1 | Ukraine | Cancelled | PWR | 1,000 | — |
| Chyhyryn nuclear power plant 2 | Ukraine | Cancelled | PWR | 1,000 | — |
| Chyhyryn nuclear power plant 3 | Ukraine | Cancelled | PWR | 1,000 | — |
| Chyhyryn nuclear power plant 4 | Ukraine | Cancelled | PWR | 1,000 | — |
| Civaux nuclear power plant 1 | France | PWR | 1,561 | 2002 | |
| Civaux nuclear power plant 2 | France | PWR | 1,561 | 2002 | |
| Clinch River Breeder nuclear power plant | United States | Cancelled | FBR | 380 | — |
| Clinch River SMR nuclear power plant 1 | United States | Pre-construction | BWR | 300 | 2033 |
| Clinch River SMR nuclear power plant 2 | United States | Announced | BWR | 300 | — |
| Clinch River SMR nuclear power plant 3 | United States | Announced | BWR | 300 | — |
| Clinch River SMR nuclear power plant 4 | United States | Announced | BWR | 300 | — |
| Clinton nuclear power plant 1 | United States | BWR | 1,098 | 1987 | |
| Clinton nuclear power plant 2 | United States | Cancelled | — | 950 | — |
| Cofrentes nuclear power plant | Spain | BWR | 1,102 | 1985 | |
| Columbia nuclear power plant 1 | United States | BWR | 1,190 | 1984 | |
| Columbia nuclear power plant EPU | United States | Pre-construction | BWR | 162 | 2031 |
| Comanche Peak nuclear power plant 1 | United States | PWR | 1,259 | 1990 | |
| Comanche Peak nuclear power plant 2 | United States | PWR | 1,250 | 1993 | |
| Comanche Peak nuclear power plant 3 | United States | Cancelled | PWR | 1,700 | — |
| Comanche Peak nuclear power plant 4 | United States | Cancelled | PWR | 1,700 | — |
| Connecticut Yankee nuclear power plant | United States | Retired | PWR | 603 | 1968 |
| Cooper nuclear power plant | United States | BWR | 801 | 1974 | |
| Crimean nuclear power plant 1 | Ukraine | Cancelled | PWR | 950 | — |
| Crimean nuclear power plant 2 | Ukraine | Cancelled | — | 950 | — |
| Crimean nuclear power plant 3 | Ukraine | Cancelled | — | 950 | — |
| Crimean nuclear power plant 4 | Ukraine | Cancelled | — | 950 | — |
| Cruas nuclear power plant 1 | France | PWR | 956 | 1984 | |
| Cruas nuclear power plant 2 | France | PWR | 956 | 1985 | |
| Cruas nuclear power plant 3 | France | PWR | 956 | 1984 | |
| Cruas nuclear power plant 4 | France | PWR | 956 | 1985 | |
| Crystal River nuclear power plant 3 | United States | Retired | PWR | 890 | 1977 |
| Crystal River nuclear power plant 4 | United States | Cancelled | — | 897 | — |
| Cumbria nuclear power plant 1 | United Kingdom | Announced | PHWR | 470 | — |
| Cumbria nuclear power plant 2 | United Kingdom | Announced | PHWR | 470 | — |
| Daejin nuclear power plant 1 | South Korea | Cancelled | PWR | 1,500 | — |
| Daejin nuclear power plant 2 | South Korea | Cancelled | PWR | 1,500 | — |
| Dalane nuclear power plant 1 | Norway | Announced | — | 300 | — |
| Dalane nuclear power plant 2 | Norway | Announced | — | 300 | — |
| Dalane nuclear power plant 3 | Norway | Announced | — | 300 | — |
| Dalane nuclear power plant 4 | Norway | Announced | — | 300 | — |
| Dampierre nuclear power plant 1 | France | PWR | 937 | 1980 | |
| Dampierre nuclear power plant 2 | France | PWR | 937 | 1981 | |
| Dampierre nuclear power plant 3 | France | PWR | 937 | 1981 | |
| Dampierre nuclear power plant 4 | France | PWR | 937 | 1981 | |
| Darkhovain nuclear power plant 1 | Iran | Pre-construction | PWR | 300 | 2030 |
| Darkhovain nuclear power plant 2 | Iran | Cancelled | — | 300 | — |
| Darlington New nuclear power plant 1 | Canada | Under construction | — | 300 | 2030 |
| Darlington New nuclear power plant 2 | Canada | Announced | — | 300 | 2036 |
| Darlington New nuclear power plant 3 | Canada | Announced | — | 300 | 2036 |
| Darlington New nuclear power plant 4 | Canada | Announced | — | 300 | 2036 |
| Darlington nuclear power plant 1 | Canada | PHWR | 934 | 1992 | |
| Darlington nuclear power plant 2 | Canada | PHWR | 934 | 1990 | |
| Darlington nuclear power plant 3 | Canada | PHWR | 934 | 1993 | |
| Darlington nuclear power plant 4 | Canada | PHWR | 934 | 1993 | |
| Darlington nuclear power plant 5 | Canada | Cancelled | PWR | 1,200 | — |
| Darlington nuclear power plant 6 | Canada | Cancelled | PWR | 1,200 | — |
| Davis Besse nuclear power plant 1 | United States | PWR | 925 | 1978 | |
| Davis Besse nuclear power plant 2 | United States | Cancelled | — | 906 | — |
| Davis Besse nuclear power plant 3 | United States | Cancelled | — | 906 | — |
| Daya Bay nuclear power plant 1 | China | PWR | 984 | 1994 | |
| Daya Bay nuclear power plant 2 | China | PWR | 1,026 | 1994 | |
| Diablo Canyon nuclear power plant 1 | United States | PWR | 1,197 | 1985 | |
| Diablo Canyon nuclear power plant 2 | United States | PWR | 1,197 | 1986 | |
| Dimitrovgrad nuclear power plant 1 | Russia | Cancelled | FBR | 100 | — |
| Dodewaard nuclear power plant | Netherlands | Retired | BWR | 60 | 1969 |
| Doel nuclear power plant 1 | Belgium | Retired | PWR | 454 | 1975 |
| Doel nuclear power plant 2 | Belgium | Retired | PWR | 454 | 1975 |
| Doel nuclear power plant 3 | Belgium | Retired | PWR | 1,056 | 1982 |
| Doel nuclear power plant 4 | Belgium | PWR | 1,090 | 1985 | |
| Doicești nuclear power plant 1 | Romania | Pre-construction | — | 77 | 2030 |
| Doicești nuclear power plant 2 | Romania | Pre-construction | — | 77 | 2030 |
| Doicești nuclear power plant 3 | Romania | Pre-construction | — | 77 | 2030 |
| Doicești nuclear power plant 4 | Romania | Pre-construction | — | 77 | 2030 |
| Doicești nuclear power plant 5 | Romania | Pre-construction | — | 77 | 2030 |
| Doicești nuclear power plant 6 | Romania | Pre-construction | — | 77 | 2030 |
| Donald C Cook nuclear power plant 1 | United States | PWR | 1,131 | 1975 | |
| Donald C Cook nuclear power plant 2 | United States | PWR | 1,231 | 1978 | |
| Donggang nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,150 | — |
| Donggang nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,150 | — |
| Donggang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,150 | — |
| Donggang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,150 | — |
| Douglas Point (AECL) nuclear power plant | Canada | Retired | PHWR | 218 | 1968 |
| Douglas Point (PEPCO) nuclear power plant 1 | United States | Cancelled | BWR | 1,146 | — |
| Douglas Point (PEPCO) nuclear power plant 2 | United States | Cancelled | BWR | 1,146 | — |
| Dounreay nuclear power plant DFR | United Kingdom | Retired | FBR | 15 | 1962 |
| Dounreay nuclear power plant PFR | United Kingdom | Retired | FBR | 250 | 1976 |
| Dresden nuclear power plant 1 | United States | Retired | BWR | 207 | 1960 |
| Dresden nuclear power plant 2 | United States | BWR | 950 | 1970 | |
| Dresden nuclear power plant 3 | United States | BWR | 935 | 1971 | |
| Duane Arnold nuclear power plant 1 | United States | Retired | BWR | 624 | 1975 |
| Duane Arnold nuclear power plant 1 Repower | United States | Pre-construction | BWR | 624 | 2029 |
| Dukovany nuclear power plant 1 | Czech Republic | PWR | 500 | 1985 | |
| Dukovany nuclear power plant 2 | Czech Republic | PWR | 500 | 1986 | |
| Dukovany nuclear power plant 3 | Czech Republic | PWR | 500 | 1986 | |
| Dukovany nuclear power plant 4 | Czech Republic | PWR | 500 | 1987 | |
| Dukovany nuclear power plant 5 | Czech Republic | Pre-construction | PWR | 1,200 | 2036 |
| Dukovany nuclear power plant 6 | Czech Republic | Pre-construction | PWR | 1,200 | 2036 |
| Dungeness nuclear power plant A1 | United Kingdom | Retired | GCR | 230 | 1965 |
| Dungeness nuclear power plant A2 | United Kingdom | Retired | GCR | 230 | 1965 |
| Dungeness nuclear power plant B1 | United Kingdom | Retired | GCR | 615 | 1985 |
| Dungeness nuclear power plant B2 | United Kingdom | Retired | GCR | 615 | 1989 |
| Dungeness nuclear power plant C | United Kingdom | Cancelled | — | 1,650 | — |
| Duwaiheen nuclear power plant 1 | Saudi Arabia | Announced | PWR | 1,400 | — |
| Duwaiheen nuclear power plant 2 | Saudi Arabia | Announced | PWR | 1,400 | — |
| Duynefontein nuclear power plant 1 | South Africa | Cancelled | — | 1,650 | — |
| Duynefontein nuclear power plant 2 | South Africa | Cancelled | — | 1,650 | — |
| Dąbrowa Górnicza nuclear power plant 1 | Poland | Announced | — | 300 | — |
| Dąbrowa Górnicza nuclear power plant 2 | Poland | Announced | — | 300 | — |
| Dąbrowa Górnicza nuclear power plant 3 | Poland | Announced | — | 300 | — |
| Dąbrowa Górnicza nuclear power plant 4 | Poland | Announced | — | 300 | — |
| Dětmarovice nuclear power plant | Czech Republic | Announced | — | 300 | — |
| EGAT nuclear power plant 1 | Thailand | Announced | — | 300 | 2037 |
| EGAT nuclear power plant 2 | Thailand | Announced | — | 300 | 2037 |
| Edwin I Hatch nuclear power plant 1 | United States | BWR | 911 | 1975 | |
| Edwin I Hatch nuclear power plant 2 | United States | BWR | 921 | 1979 | |
| Eielson Air Force Base nuclear power plant | United States | Pre-construction | FBR | 5 | 2030 |
| El Dabaa nuclear power plant 1 | Egypt | Under construction | PWR | 1,200 | 2028 |
| El Dabaa nuclear power plant 2 | Egypt | Under construction | PWR | 1,200 | 2029 |
| El Dabaa nuclear power plant 3 | Egypt | Under construction | PWR | 1,200 | 2029 |
| El Dabaa nuclear power plant 4 | Egypt | Under construction | PWR | 1,200 | 2030 |
| Elektrownia Jądrowa Pątnów nuclear power plant 1 | Poland | Announced | BWR | 300 | — |
| Elektrownia Jądrowa Pątnów nuclear power plant 2 | Poland | Announced | BWR | 300 | — |
| Elektrownia Jądrowa Pątnów nuclear power plant 3 | Poland | Announced | BWR | 300 | — |
| Elektrownia Jądrowa Pątnów nuclear power plant 4 | Poland | Announced | BWR | 300 | — |
| Elk River nuclear power plant | United States | Retired | BWR | 24 | 1964 |
| Embalse nuclear power plant | Argentina | PHWR | 656 | 1984 | |
| Emsland nuclear power plant | Germany | Retired | PWR | 1,406 | 1988 |
| Enrico Fermi nuclear power plant | Italy | Retired | PWR | 270 | 1965 |
| Erie nuclear power plant 1 | United States | Cancelled | — | 1,267 | — |
| Erie nuclear power plant 2 | United States | Cancelled | — | 1,267 | — |
| Escatrón nuclear power plant 1 | Spain | Cancelled | — | 930 | — |
| Escatrón nuclear power plant 2 | Spain | Cancelled | — | 930 | — |
| Experimental Boiling Water Reactor nuclear power plant 1 | United States | Retired | — | 5 | 1956 |
| Experimental Breeder Reactor nuclear power plant 1 | United States | Retired | — | 0 | 1951 |
| Experimental Breeder Reactor nuclear power plant 2 | United States | Retired | — | 19 | 1965 |
| Fall Line fusion nuclear power plant | United States | Pre-construction | Fusion | 400 | 2033 |
| Fangchenggang nuclear power plant 1-1 | China | PWR | 1,086 | 2016 | |
| Fangchenggang nuclear power plant 1-2 | China | PWR | 1,086 | 2016 | |
| Fangchenggang nuclear power plant 2-3 | China | PWR | 1,180 | 2023 | |
| Fangchenggang nuclear power plant 2-4 | China | PWR | 1,180 | 2024 | |
| Fangchenggang nuclear power plant 3-5 | China | Pre-construction | PWR | 1,150 | — |
| Fangchenggang nuclear power plant 3-6 | China | Pre-construction | PWR | 1,150 | — |
| Fangjiashan nuclear power plant 1 | China | PWR | 1,089 | 2014 | |
| Fangjiashan nuclear power plant 2 | China | PWR | 1,089 | 2015 | |
| Fermi Energia nuclear power plant 1 | Estonia | Announced | BWR | 300 | 2035 |
| Fermi Energia nuclear power plant 2 | Estonia | Announced | BWR | 300 | — |
| Fermi nuclear power plant 1 | United States | Retired | FBR | 65 | 1966 |
| Fermi nuclear power plant 2 | United States | BWR | 1,198 | 1988 | |
| Fermi nuclear power plant 3 | United States | Cancelled | BWR | 1,600 | — |
| Fermi nuclear power plant 3A | United States | Cancelled | — | 1,171 | — |
| Fessenheim nuclear power plant 1 | France | Retired | PWR | 920 | 1978 |
| Fessenheim nuclear power plant 2 | France | Retired | PWR | 920 | 1978 |
| Flamanville nuclear power plant 1 | France | PWR | 1,382 | 1986 | |
| Flamanville nuclear power plant 2 | France | PWR | 1,382 | 1987 | |
| Flamanville nuclear power plant 3 | France | PWR | 1,650 | 2024 | |
| Forked River nuclear power plant 1 | United States | Cancelled | — | 1,070 | — |
| Forsmark nuclear power plant 1 | Sweden | BWR | 1,078 | 1980 | |
| Forsmark nuclear power plant 2 | Sweden | BWR | 1,160 | 1981 | |
| Forsmark nuclear power plant 3 | Sweden | BWR | 1,208 | 1985 | |
| Fort Calhoun nuclear power plant 1 | United States | Retired | PWR | 512 | 1973 |
| Fort Calhoun nuclear power plant 2 | United States | Cancelled | PWR | 1,136 | — |
| Fort St. Vrain nuclear power plant | United States | Retired | HTGR | 342 | 1979 |
| Fresno nuclear power plant 1 | United States | Cancelled | PWR | 1,600 | — |
| Fresno nuclear power plant 2 | United States | Cancelled | PWR | 1,600 | — |
| Fugen nuclear power plant | Japan | Retired | PHWR | 165 | 1979 |
| Fukushima Daiichi nuclear power plant 1 | Japan | Retired | BWR | 460 | 1971 |
| Fukushima Daiichi nuclear power plant 2 | Japan | Retired | BWR | 784 | 1974 |
| Fukushima Daiichi nuclear power plant 3 | Japan | Retired | BWR | 784 | 1976 |
| Fukushima Daiichi nuclear power plant 4 | Japan | Retired | BWR | 784 | 1978 |
| Fukushima Daiichi nuclear power plant 5 | Japan | Retired | BWR | 784 | 1978 |
| Fukushima Daiichi nuclear power plant 6 | Japan | Retired | BWR | 1,100 | 1979 |
| Fukushima Daiichi nuclear power plant 7 | Japan | Cancelled | BWR | 1,380 | — |
| Fukushima Daiichi nuclear power plant 8 | Japan | Cancelled | BWR | 1,380 | — |
| Fukushima Daini nuclear power plant 1 | Japan | Retired | BWR | 1,100 | 1982 |
| Fukushima Daini nuclear power plant 2 | Japan | Retired | BWR | 1,100 | 1984 |
| Fukushima Daini nuclear power plant 3 | Japan | Retired | BWR | 1,100 | 1985 |
| Fukushima Daini nuclear power plant 4 | Japan | Retired | BWR | 1,100 | 1987 |
| Fuling nuclear power plant 1 | China | Cancelled (inferred) | — | 1,250 | — |
| Fuling nuclear power plant 2 | China | Cancelled (inferred) | — | 1,250 | — |
| Fuling nuclear power plant 3 | China | Cancelled (inferred) | — | 1,250 | — |
| Fuling nuclear power plant 4 | China | Cancelled (inferred) | — | 1,250 | — |
| Fulton nuclear power plant 1 | United States | Cancelled | HTGR | 1,160 | — |
| Fulton nuclear power plant 2 | United States | Cancelled | HTGR | 1,160 | — |
| Fuqing nuclear power plant 1 | China | PWR | 1,089 | 2014 | |
| Fuqing nuclear power plant 2 | China | PWR | 1,089 | 2015 | |
| Fuqing nuclear power plant 3 | China | PWR | 1,089 | 2016 | |
| Fuqing nuclear power plant 4 | China | PWR | 1,089 | 2017 | |
| Fuqing nuclear power plant 5 | China | PWR | 1,161 | 2021 | |
| Fuqing nuclear power plant 6 | China | PWR | 1,150 | 2022 | |
| Ganzhou nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Ganzhou nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Ganzhou nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Ganzhou nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Garigliano nuclear power plant | Italy | Retired | BWR | 160 | 1964 |
| Genkai nuclear power plant 1 | Japan | Retired | PWR | 559 | 1975 |
| Genkai nuclear power plant 2 | Japan | Retired | PWR | 559 | 1981 |
| Genkai nuclear power plant 3 | Japan | PWR | 1,180 | 1994 | |
| Genkai nuclear power plant 4 | Japan | PWR | 1,180 | 1997 | |
| Gentilly nuclear power plant 1 | Canada | Retired | PHWR | 266 | 1972 |
| Gentilly nuclear power plant 2 | Canada | Retired | PHWR | 675 | 1983 |
| Geregu nuclear power plant 1 | Nigeria | Announced | — | 1,200 | — |
| Geregu nuclear power plant 2 | Nigeria | Announced | — | 1,200 | — |
| Goesgen nuclear power plant | Switzerland | PWR | 1,060 | 1979 | |
| Golfech nuclear power plant 1 | France | PWR | 1,363 | 1991 | |
| Golfech nuclear power plant 2 | France | PWR | 1,363 | 1994 | |
| Gorakhpur Haryana nuclear power plant 1-1 | India | Pre-construction | PHWR | 700 | 2031 |
| Gorakhpur Haryana nuclear power plant 1-2 | India | Pre-construction | PHWR | 700 | 2031 |
| Gorakhpur Haryana nuclear power plant 2-3 | India | Pre-construction | PHWR | 700 | 2031 |
| Gorakhpur Haryana nuclear power plant 2-4 | India | Pre-construction | PHWR | 700 | 2031 |
| Graben nuclear power plant 1 | Switzerland | Cancelled | BWR | 1,140 | — |
| Grafenrheinfeld nuclear power plant | Germany | Retired | PWR | 1,345 | 1982 |
| Grand Gulf nuclear power plant 1 | United States | BWR | 1,500 | 1985 | |
| Grand Gulf nuclear power plant 2 | United States | Cancelled | BWR | 1,250 | — |
| Grand Gulf nuclear power plant 3 | United States | Cancelled | BWR | 1,520 | — |
| Gravelines nuclear power plant 1 | France | PWR | 951 | 1980 | |
| Gravelines nuclear power plant 2 | France | PWR | 951 | 1980 | |
| Gravelines nuclear power plant 3 | France | PWR | 951 | 1981 | |
| Gravelines nuclear power plant 4 | France | PWR | 951 | 1981 | |
| Gravelines nuclear power plant 5 | France | PWR | 951 | 1985 | |
| Gravelines nuclear power plant 6 | France | PWR | 951 | 1985 | |
| Gravelines nuclear power plant 7 | France | Announced | PWR | 1,650 | 2039 |
| Gravelines nuclear power plant 8 | France | Announced | PWR | 1,650 | 2039 |
| Green River nuclear power plant 1 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 2 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 3 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 4 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 5 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 6 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 7 | United States | Announced | — | 5 | — |
| Green River nuclear power plant 8 | United States | Announced | — | 5 | — |
| Greene County nuclear power plant 1 | United States | Cancelled | PWR | 1,212 | — |
| Greenwood nuclear power plant 2 | United States | Cancelled | PWR | 1,264 | — |
| Greenwood nuclear power plant 3 | United States | Cancelled | PWR | 1,264 | — |
| Greifswald nuclear power plant 1 | Germany | Retired | PWR | 440 | 1974 |
| Greifswald nuclear power plant 2 | Germany | Retired | PWR | 440 | 1975 |
| Greifswald nuclear power plant 3 | Germany | Retired | PWR | 440 | 1978 |
| Greifswald nuclear power plant 4 | Germany | Retired | PWR | 440 | 1979 |
| Greifswald nuclear power plant 5 | Germany | Retired | PWR | 440 | 1989 |
| Greifswald nuclear power plant 6 | Germany | Cancelled | PWR | 440 | — |
| Greifswald nuclear power plant 7 | Germany | Cancelled | PWR | 440 | — |
| Greifswald nuclear power plant 8 | Germany | Cancelled | PWR | 440 | — |
| Greifswald nuclear power plant 9 | Germany | Cancelled | PWR | 440 | — |
| Grohnde nuclear power plant | Germany | Retired | PWR | 1,430 | 1985 |
| Großwelzheim nuclear power plant | Germany | Retired | BWR | 27 | 1969 |
| Guangshui nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Guangshui nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Guangshui nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Guangshui nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Guizhou Small Reactor nuclear power plant 1 | China | Cancelled (inferred) | — | 100 | — |
| Guizhou Small Reactor nuclear power plant 2 | China | Cancelled (inferred) | — | 100 | — |
| Gundremmingen nuclear power plant A | Germany | Retired | BWR | 250 | 1967 |
| Gundremmingen nuclear power plant B | Germany | Retired | BWR | 1,344 | 1984 |
| Gundremmingen nuclear power plant C | Germany | Retired | BWR | 1,344 | 1985 |
| H. B. Robinson nuclear power plant 2 | United States | PWR | 780 | 1971 | |
| Haifeng nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Haifeng nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Haixing nuclear power plant 1-1 | China | Announced | PWR | 1,250 | — |
| Haixing nuclear power plant 1-2 | China | Announced | PWR | 1,250 | — |
| Haixing nuclear power plant 3 | China | Announced | PWR | 1,250 | — |
| Haixing nuclear power plant 4 | China | Announced | PWR | 1,250 | — |
| Haixing nuclear power plant 5 | China | Announced | PWR | 1,250 | — |
| Haixing nuclear power plant 6 | China | Announced | PWR | 1,250 | — |
| Haiyang nuclear power plant 1-1 | China | PWR | 1,250 | 2018 | |
| Haiyang nuclear power plant 1-2 | China | PWR | 1,250 | 2019 | |
| Haiyang nuclear power plant 2-3 | China | Under construction | PWR | 1,253 | 2027 |
| Haiyang nuclear power plant 2-4 | China | Under construction | PWR | 1,253 | 2027 |
| Haiyang nuclear power plant 3-5 | China | Pre-construction | PWR | 1,250 | 2028 |
| Haiyang nuclear power plant 3-6 | China | Pre-construction | PWR | 1,250 | — |
| Hallam nuclear power plant | United States | Retired | — | 84 | 1963 |
| Hamaoka nuclear power plant 1 | Japan | Retired | BWR | 540 | 1976 |
| Hamaoka nuclear power plant 2 | Japan | Retired | BWR | 840 | 1978 |
| Hamaoka nuclear power plant 3 | Japan | Mothballed | BWR | 1,100 | 1987 |
| Hamaoka nuclear power plant 4 | Japan | Mothballed | BWR | 1,137 | 1993 |
| Hamaoka nuclear power plant 5 | Japan | Mothballed | BWR | 1,380 | 2005 |
| Hamaoka nuclear power plant 6 | Japan | Shelved | BWR | 1,400 | — |
| Hanbit nuclear power plant 1 | South Korea | PWR | 1,025 | 1986 | |
| Hanbit nuclear power plant 2 | South Korea | PWR | 1,024 | 1987 | |
| Hanbit nuclear power plant 3 | South Korea | PWR | 1,041 | 1995 | |
| Hanbit nuclear power plant 4 | South Korea | PWR | 1,041 | 1996 | |
| Hanbit nuclear power plant 5 | South Korea | PWR | 1,051 | 2002 | |
| Hanbit nuclear power plant 6 | South Korea | PWR | 1,053 | 2002 | |
| Hanhikivi nuclear power plant 1 | Finland | Cancelled | — | 1,170 | — |
| Hanul nuclear power plant 1 | South Korea | PWR | 1,014 | 1988 | |
| Hanul nuclear power plant 2 | South Korea | PWR | 1,011 | 1989 | |
| Hanul nuclear power plant 3 | South Korea | PWR | 1,051 | 1998 | |
| Hanul nuclear power plant 4 | South Korea | PWR | 1,052 | 1999 | |
| Hanul nuclear power plant 5 | South Korea | PWR | 1,049 | 2004 | |
| Hanul nuclear power plant 6 | South Korea | PWR | 1,049 | 2005 | |
| Haripur nuclear power plant 1 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Haripur nuclear power plant 2 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Haripur nuclear power plant 3 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Haripur nuclear power plant 4 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Haripur nuclear power plant 5 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Haripur nuclear power plant 6 | India | Cancelled (inferred) | PWR | 1,000 | — |
| Hartlepool nuclear power plant A1 | United Kingdom | GCR | 655 | 1989 | |
| Hartlepool nuclear power plant A2 | United Kingdom | GCR | 655 | 1989 | |
| Hartsville nuclear power plant A1 | United States | Cancelled | BWR | 1,205 | — |
| Hartsville nuclear power plant A2 | United States | Cancelled | BWR | 1,205 | — |
| Hartsville nuclear power plant B1 | United States | Cancelled | BWR | 1,233 | — |
| Hartsville nuclear power plant B2 | United States | Cancelled | BWR | 1,233 | — |
| Haskell County Last Energy nuclear power plant | United States | Announced | — | 20 | — |
| Haven nuclear power plant 1 | United States | Cancelled | PWR | 900 | — |
| Haven nuclear power plant 2 | United States | Cancelled | PWR | 900 | — |
| Hengren nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Hengren nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Hengren nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Hengren nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Hengyang nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Hengyang nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Hengyang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Hengyang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Hermes nuclear power plant 1 | United States | Under construction | — | 50 | 2027 |
| Hermes nuclear power plant 2a | United States | Pre-construction | — | 25 | 2030 |
| Hermes nuclear power plant 2b | United States | Pre-construction | — | 25 | 2030 |
| Heysham nuclear power plant A1 | United Kingdom | GCR | 625 | 1989 | |
| Heysham nuclear power plant A2 | United Kingdom | GCR | 625 | 1989 | |
| Heysham nuclear power plant B1 | United Kingdom | GCR | 680 | 1989 | |
| Heysham nuclear power plant B2 | United Kingdom | GCR | 680 | 1989 | |
| Heyuan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Heyuan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Heyuan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Heyuan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Higashidori (Tepco) nuclear power plant 1 | Japan | Mothballed | BWR | 1,385 | — |
| Higashidori (Tepco) nuclear power plant 2 | Japan | Shelved | BWR | 1,385 | — |
| Higashidori (Tohoku) nuclear power plant 1 | Japan | Mothballed | BWR | 1,100 | 2005 |
| Higashidori (Tohoku) nuclear power plant 2 | Japan | Shelved | BWR | 1,385 | — |
| Hinkley Point nuclear power plant A1 | United Kingdom | Retired | GCR | 267 | 1965 |
| Hinkley Point nuclear power plant A2 | United Kingdom | Retired | GCR | 267 | 1965 |
| Hinkley Point nuclear power plant B1 | United Kingdom | Retired | GCR | 655 | 1978 |
| Hinkley Point nuclear power plant B2 | United Kingdom | Retired | GCR | 655 | 1976 |
| Hinkley Point nuclear power plant C1 | United Kingdom | Under construction | PWR | 1,720 | 2030 |
| Hinkley Point nuclear power plant C2 | United Kingdom | Under construction | PWR | 1,720 | 2031 |
| Hohoku nuclear power plant 1 | Japan | Cancelled | BWR | 1,067 | — |
| Hohoku nuclear power plant 2 | Japan | Cancelled | BWR | 1,067 | — |
| Hongyanhe nuclear power plant 1-1 | China | PWR | 1,119 | 2013 | |
| Hongyanhe nuclear power plant 1-2 | China | PWR | 1,119 | 2014 | |
| Hongyanhe nuclear power plant 1-3 | China | PWR | 1,119 | 2015 | |
| Hongyanhe nuclear power plant 1-4 | China | PWR | 1,119 | 2016 | |
| Hongyanhe nuclear power plant 2-5 | China | PWR | 1,119 | 2021 | |
| Hongyanhe nuclear power plant 2-6 | China | PWR | 1,119 | 2022 | |
| Hope Creek nuclear power plant 1 | United States | BWR | 1,240 | 1986 | |
| Hope Creek nuclear power plant 2 | United States | Cancelled | BWR | 1,067 | — |
| Humboldt Bay nuclear power plant | United States | Retired | BWR | 65 | 1963 |
| Hunterston nuclear power plant A1 | United Kingdom | Retired | GCR | 173 | 1964 |
| Hunterston nuclear power plant A2 | United Kingdom | Retired | GCR | 173 | 1964 |
| Hunterston nuclear power plant B1 | United Kingdom | Retired | GCR | 644 | 1976 |
| Hunterston nuclear power plant B2 | United Kingdom | Retired | GCR | 644 | 1977 |
| Idaho Energy Complex Payette County nuclear power plant 1 | United States | Cancelled | PWR | 1,350 | — |
| Idaho Energy Complex nuclear power plant | United States | Cancelled | PWR | 1,600 | — |
| Idaho National Laboratory Demonstration nuclear power plant | United States | Cancelled (inferred) | GCR | 15 | — |
| Ignalina nuclear power plant 1 | Lithuania | Retired | LWGR | 1,300 | 1985 |
| Ignalina nuclear power plant 2 | Lithuania | Retired | LWGR | 1,300 | 1987 |
| Ikata nuclear power plant 1 | Japan | Retired | PWR | 566 | 1977 |
| Ikata nuclear power plant 2 | Japan | Retired | PWR | 566 | 1982 |
| Ikata nuclear power plant 3 | Japan | PWR | 890 | 1994 | |
| Indian Point nuclear power plant 1 | United States | Retired | PWR | 277 | 1962 |
| Indian Point nuclear power plant 2 | United States | Retired | PWR | 1,067 | 1974 |
| Indian Point nuclear power plant 3 | United States | Retired | PWR | 1,085 | 1976 |
| Infinity Two fusion nuclear power plant | United States | Announced | Fusion | 350 | 2035 |
| Iran-Hormoz nuclear power plant 1 | Iran | Pre-construction | — | 1,250 | 2031 |
| Iran-Hormoz nuclear power plant 2 | Iran | Pre-construction | — | 1,250 | — |
| Iran-Hormoz nuclear power plant 3 | Iran | Pre-construction | — | 1,250 | — |
| Iran-Hormoz nuclear power plant 4 | Iran | Pre-construction | — | 1,250 | — |
| Isar nuclear power plant 1 | Germany | Retired | BWR | 912 | 1979 |
| Isar nuclear power plant 2 | Germany | Retired | PWR | 1,485 | 1988 |
| Itu nuclear power plant 1 | Nigeria | Shelved (inferred) | — | 1,200 | — |
| Itu nuclear power plant 2 | Nigeria | Shelved (inferred) | — | 1,200 | — |
| Jaitapur nuclear power plant 1 | India | Announced | PWR | 1,730 | — |
| Jaitapur nuclear power plant 2 | India | Announced | PWR | 1,730 | — |
| Jaitapur nuclear power plant 3 | India | Announced | PWR | 1,730 | — |
| Jaitapur nuclear power plant 4 | India | Announced | PWR | 1,730 | — |
| Jaitapur nuclear power plant 5 | India | Announced | PWR | 1,730 | — |
| Jaitapur nuclear power plant 6 | India | Announced | PWR | 1,730 | — |
| James A Fitzpatrick nuclear power plant | United States | BWR | 849 | 1975 | |
| Jamesport nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| Jamesport nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| Japan Power Demonstration Reactor nuclear power plant | Japan | Retired | BWR | 13 | 1965 |
| Jiamusi nuclear power plant 1 | China | Cancelled (inferred) | — | 1,000 | — |
| Jiamusi nuclear power plant 2 | China | Cancelled (inferred) | — | 1,000 | — |
| Jiamusi nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Jiamusi nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Jiangsu Xuwei nuclear power plant 1-1 | China | Under construction | PWR | 1,208 | — |
| Jiangsu Xuwei nuclear power plant 1-2 | China | Pre-construction | PWR | 1,208 | — |
| Jiangsu Xuwei nuclear power plant 1-3 | China | Pre-construction | HTGR | 660 | — |
| Jiangsu Xuwei nuclear power plant 2-4 | China | Announced | PWR | 1,208 | — |
| Jiangsu Xuwei nuclear power plant 2-5 | China | Announced | PWR | 1,208 | — |
| Jiangsu Xuwei nuclear power plant 2-6 | China | Announced | HTGR | 660 | — |
| Jiangxi Pengze nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jiangxi Pengze nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jiangxi Pengze nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jiangxi Pengze nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jieyang nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jieyang nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jieyang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jieyang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jieyang nuclear power plant 5 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jieyang nuclear power plant 6 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Jingyu Chisong nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jingyu Chisong nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jingyu Chisong nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jingyu Chisong nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Jinqimen nuclear power plant 1-1 | China | Under construction | PWR | 1,233 | 2030 |
| Jinqimen nuclear power plant 1-2 | China | Under construction | PWR | 1,200 | 2031 |
| Jinqimen nuclear power plant 3 | China | Announced | PWR | 1,200 | — |
| Jinqimen nuclear power plant 4 | China | Announced | PWR | 1,200 | — |
| Jinqimen nuclear power plant 5 | China | Announced | PWR | 1,200 | — |
| Jinqimen nuclear power plant 6 | China | Announced | PWR | 1,200 | — |
| Jinshan nuclear power plant 1 | Taiwan | Retired | BWR | 636 | 1978 |
| Jinshan nuclear power plant 2 | Taiwan | Retired | BWR | 636 | 1979 |
| Jiyang nuclear power plant 1 | China | Cancelled (inferred) | — | 1,250 | — |
| Jiyang nuclear power plant 2 | China | Cancelled (inferred) | — | 1,250 | — |
| Jiyang nuclear power plant 3 | China | Cancelled (inferred) | — | 1,250 | — |
| Jiyang nuclear power plant 4 | China | Cancelled (inferred) | — | 1,250 | — |
| Jizzakh nuclear power plant 1 | Uzbekistan | Under construction | — | 55 | 2029 |
| Jizzakh nuclear power plant 2 | Uzbekistan | Under construction | — | 55 | — |
| Jizzakh nuclear power plant 3 | Uzbekistan | Pre-construction | PWR | 1,000 | 2033 |
| Jizzakh nuclear power plant 4 | Uzbekistan | Pre-construction | PWR | 1,000 | 2035 |
| Jose Cabrera nuclear power plant 1 | Spain | Retired | PWR | 150 | 1969 |
| Joseph M Farley nuclear power plant 1 | United States | PWR | 918 | 1977 | |
| Joseph M Farley nuclear power plant 2 | United States | PWR | 928 | 1981 | |
| Joshua Falls nuclear power plant | United States | Announced | — | 275 | — |
| Juragua nuclear power plant 1 | Cuba | Cancelled | PWR | 440 | — |
| Juragua nuclear power plant 2 | Cuba | Cancelled | PWR | 440 | — |
| KGHM NuScale VOYGR modular nuclear power plant 1 | Poland | Pre-construction | — | 77 | — |
| KGHM NuScale VOYGR modular nuclear power plant 2 | Poland | Pre-construction | — | 77 | — |
| KGHM NuScale VOYGR modular nuclear power plant 3 | Poland | Pre-construction | — | 77 | — |
| KGHM NuScale VOYGR modular nuclear power plant 4 | Poland | Pre-construction | — | 77 | — |
| KGHM NuScale VOYGR modular nuclear power plant 5 | Poland | Pre-construction | — | 77 | — |
| KGHM NuScale VOYGR modular nuclear power plant 6 | Poland | Pre-construction | — | 77 | — |
| KNK II nuclear power plant | Germany | Retired | FBR | 21 | 1979 |
| Kahl nuclear power plant | Germany | Retired | BWR | 16 | 1961 |
| Kaiga nuclear power plant 1 | India | PHWR | 220 | 2000 | |
| Kaiga nuclear power plant 2 | India | PHWR | 220 | 2000 | |
| Kaiga nuclear power plant 3 | India | PHWR | 220 | 2007 | |
| Kaiga nuclear power plant 4 | India | PHWR | 220 | 2011 | |
| Kaiga nuclear power plant 5 | India | Under construction | PHWR | 700 | 2031 |
| Kaiga nuclear power plant 6 | India | Under construction | PHWR | 700 | 2031 |
| Kairos Power Texas A&M nuclear power plant 1 | United States | Announced | — | 75 | 2029 |
| Kairos Power Texas A&M nuclear power plant 2 | United States | Announced | — | 75 | 2029 |
| Kaiseraugst nuclear power plant 1 | Switzerland | Cancelled | — | 950 | — |
| Kakrapar nuclear power plant 1 | India | PHWR | 220 | 1993 | |
| Kakrapar nuclear power plant 2 | India | PHWR | 220 | 1995 | |
| Kakrapar nuclear power plant 3 | India | PHWR | 700 | 2023 | |
| Kakrapar nuclear power plant 4 | India | PHWR | 700 | 2024 | |
| Kalimantan NuScale nuclear power plant | Indonesia | Announced | — | 70 | 2029 |
| Kalimantan nuclear power plant | Indonesia | Announced | — | 250 | 2033 |
| Kalinin nuclear power plant 1 | Russia | PWR | 1,000 | 1985 | |
| Kalinin nuclear power plant 2 | Russia | PWR | 1,000 | 1987 | |
| Kalinin nuclear power plant 3 | Russia | PWR | 1,000 | 2005 | |
| Kalinin nuclear power plant 4 | Russia | PWR | 1,000 | 2012 | |
| Kalkar nuclear power plant 1 | Germany | Cancelled | FBR | 327 | — |
| Kalpakkam nuclear power plant FBR 1 | India | Announced | FBR | 600 | — |
| Kalpakkam nuclear power plant FBR 2 | India | Announced | FBR | 600 | — |
| Kalpakkam nuclear power plant PFBR | India | Under construction | FBR | 500 | 2026 |
| Kaminoseki nuclear power plant 1 | Japan | Shelved | BWR | 1,373 | — |
| Kaminoseki nuclear power plant 2 | Japan | Shelved | BWR | 1,373 | — |
| Karachi nuclear power plant 1 | Pakistan | Retired | PHWR | 100 | 1972 |
| Karachi nuclear power plant 2 | Pakistan | PWR | 1,100 | 2021 | |
| Karachi nuclear power plant 3 | Pakistan | PWR | 1,100 | 2022 | |
| Kashiwazaki Kariwa nuclear power plant 1 | Japan | Mothballed | BWR | 1,100 | 1985 |
| Kashiwazaki Kariwa nuclear power plant 2 | Japan | Mothballed | BWR | 1,100 | 1990 |
| Kashiwazaki Kariwa nuclear power plant 3 | Japan | Mothballed | BWR | 1,100 | 1993 |
| Kashiwazaki Kariwa nuclear power plant 4 | Japan | Mothballed | BWR | 1,100 | 1994 |
| Kashiwazaki Kariwa nuclear power plant 5 | Japan | Mothballed | BWR | 1,100 | 1990 |
| Kashiwazaki Kariwa nuclear power plant 6 | Japan | BWR | 1,356 | 2026 | |
| Kashiwazaki Kariwa nuclear power plant 7 | Japan | Under construction | BWR | 1,356 | 2030 |
| Katowice nuclear power plant 1 | Poland | Announced | — | 20 | 2036 |
| Katowice nuclear power plant 10 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 2 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 3 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 4 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 5 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 6 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 7 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 8 | Poland | Announced | — | 20 | — |
| Katowice nuclear power plant 9 | Poland | Announced | — | 20 | — |
| Kemmerer nuclear power plant 1 | United States | Under construction | FBR | 345 | 2031 |
| Kemmerer nuclear power plant 1B | United States | Shelved (inferred) | FBR | 345 | — |
| Kemmerer nuclear power plant 1C | United States | Shelved (inferred) | FBR | 345 | — |
| Kemmerer nuclear power plant 1D | United States | Shelved (inferred) | FBR | 345 | — |
| Kemmerer nuclear power plant 1E | United States | Shelved (inferred) | FBR | 345 | — |
| Kemmerer nuclear power plant 1F | United States | Shelved (inferred) | FBR | 345 | — |
| Kewaunee nuclear power plant | United States | Retired | PWR | 595 | 1974 |
| Khabarovsk nuclear power plant 1 | Russia | Announced | PWR | 600 | 2036 |
| Khabarovsk nuclear power plant 2 | Russia | Announced | PWR | 600 | 2036 |
| Kharkiv nuclear power plant 1 | Ukraine | Cancelled | PWR | 1,000 | — |
| Kharkiv nuclear power plant 2 | Ukraine | Cancelled | PWR | 1,000 | — |
| Khmelnitski nuclear power plant 1 | Ukraine | PWR | 1,000 | 1988 | |
| Khmelnitski nuclear power plant 2 | Ukraine | PWR | 1,000 | 2005 | |
| Khmelnitski nuclear power plant 3 | Ukraine | Pre-construction | PWR | 1,089 | — |
| Khmelnitski nuclear power plant 4 | Ukraine | Pre-construction | PWR | 1,089 | — |
| Khmelnitski nuclear power plant 5 | Ukraine | Pre-construction | PWR | 1,250 | 2032 |
| Khmelnitski nuclear power plant 6 | Ukraine | Pre-construction | PWR | 1,250 | 2032 |
| Kiruhura nuclear power plant 1 | Uganda | Announced | — | 1,200 | — |
| Kiruhura nuclear power plant 2 | Uganda | Announced | — | 1,200 | — |
| Kiruhura nuclear power plant 3 | Uganda | Announced | — | 1,200 | — |
| Kiruhura nuclear power plant 4 | Uganda | Announced | — | 1,200 | — |
| Koeberg nuclear power plant 1 | South Africa | PWR | 970 | 1984 | |
| Koeberg nuclear power plant 2 | South Africa | PWR | 970 | 1985 | |
| Kola nuclear power plant 1-1 | Russia | PWR | 440 | 1973 | |
| Kola nuclear power plant 1-2 | Russia | PWR | 440 | 1975 | |
| Kola nuclear power plant 1-3 | Russia | PWR | 440 | 1982 | |
| Kola nuclear power plant 1-4 | Russia | PWR | 440 | 1984 | |
| Kola nuclear power plant 2-1 | Russia | Announced | PWR | 600 | 2035 |
| Kola nuclear power plant 2-2 | Russia | Announced | PWR | 600 | 2040 |
| Kola nuclear power plant 2-3 | Russia | Announced | PWR | 600 | 2040 |
| Kori nuclear power plant 1 | South Korea | Retired | PWR | 607 | 1978 |
| Kori nuclear power plant 2 | South Korea | PWR | 681 | 1983 | |
| Kori nuclear power plant 3 | South Korea | PWR | 1,046 | 1985 | |
| Kori nuclear power plant 4 | South Korea | PWR | 1,046 | 1986 | |
| Kovvada nuclear power plant 1 | India | Announced | PWR | 1,250 | — |
| Kovvada nuclear power plant 2 | India | Announced | PWR | 1,250 | — |
| Kovvada nuclear power plant 3 | India | Announced | PWR | 1,250 | — |
| Kovvada nuclear power plant 4 | India | Announced | PWR | 1,250 | — |
| Kovvada nuclear power plant 5 | India | Announced | PWR | 1,250 | — |
| Kovvada nuclear power plant 6 | India | Announced | PWR | 1,250 | — |
| Kozloduy nuclear power plant 1 | Bulgaria | Retired | PWR | 440 | 1974 |
| Kozloduy nuclear power plant 2 | Bulgaria | Retired | PWR | 440 | 1975 |
| Kozloduy nuclear power plant 3 | Bulgaria | Retired | PWR | 440 | 1981 |
| Kozloduy nuclear power plant 4 | Bulgaria | Retired | PWR | 440 | 1982 |
| Kozloduy nuclear power plant 5 | Bulgaria | PWR | 1,040 | 1988 | |
| Kozloduy nuclear power plant 6 | Bulgaria | PWR | 1,040 | 1993 | |
| Kozloduy nuclear power plant 7 | Bulgaria | Pre-construction | PWR | 1,000 | 2035 |
| Kozloduy nuclear power plant 8 | Bulgaria | Pre-construction | PWR | 1,000 | 2037 |
| Krasnoyarsk nuclear power plant 1 | Russia | Announced | PWR | 1,255 | 2037 |
| Krasnoyarsk nuclear power plant 2 | Russia | Announced | PWR | 1,255 | 2037 |
| Krasnoyarsk nuclear power plant 3 | Russia | Announced | PWR | 1,255 | 2037 |
| Krasnoyarsk nuclear power plant 4 | Russia | Announced | PWR | 1,255 | 2037 |
| Kruemmel nuclear power plant | Germany | Retired | BWR | 1,402 | 1984 |
| Krško nuclear power plant 1 | Slovenia | PWR | 727 | 1983 | |
| Krško nuclear power plant 2 | Slovenia | Announced | PWR | 1,100 | 2035 |
| Kudankulam nuclear power plant 1 | India | PWR | 1,000 | 2014 | |
| Kudankulam nuclear power plant 2 | India | PWR | 1,000 | 2017 | |
| Kudankulam nuclear power plant 3 | India | Under construction | PWR | 1,000 | 2027 |
| Kudankulam nuclear power plant 4 | India | Under construction | PWR | 1,000 | 2027 |
| Kudankulam nuclear power plant 5 | India | Under construction | PWR | 1,000 | 2030 |
| Kudankulam nuclear power plant 6 | India | Under construction | PWR | 1,000 | 2030 |
| Kudankulam nuclear power plant 7 | India | Announced | PWR | 1,200 | — |
| Kudankulam nuclear power plant 8 | India | Announced | PWR | 1,200 | — |
| Kuosheng nuclear power plant 1 | Taiwan | Retired | BWR | 985 | 1981 |
| Kuosheng nuclear power plant 2 | Taiwan | Retired | BWR | 985 | 1983 |
| Kurchatov nuclear power plant 1 | Kazakhstan | Announced | PWR | 1,200 | — |
| Kurchatov nuclear power plant 2 | Kazakhstan | Announced | PWR | 1,200 | — |
| Kursk nuclear power plant 1-1 | Russia | Retired | LWGR | 1,000 | 1977 |
| Kursk nuclear power plant 1-2 | Russia | Retired | LWGR | 1,000 | 1979 |
| Kursk nuclear power plant 1-3 | Russia | LWGR | 1,000 | 1984 | |
| Kursk nuclear power plant 1-4 | Russia | LWGR | 1,000 | 1986 | |
| Kursk nuclear power plant 1-5 | Russia | Cancelled | LWGR | 1,100 | — |
| Kursk nuclear power plant 2-1 | Russia | PWR | 1,255 | 2026 | |
| Kursk nuclear power plant 2-2 | Russia | Under construction | PWR | 1,255 | — |
| Kursk nuclear power plant 2-3 | Russia | Under construction | PWR | 1,255 | 2034 |
| Kursk nuclear power plant 2-4 | Russia | Pre-construction | PWR | 1,255 | 2034 |
| Kyrgyzstan nuclear power plant 1 | Kyrgyzstan | Announced | — | 55 | — |
| Kyrgyzstan nuclear power plant 2 | Kyrgyzstan | Announced | — | 55 | — |
| LaSalle nuclear power plant 1 | United States | BWR | 1,207 | 1984 | |
| LaSalle nuclear power plant 2 | United States | BWR | 1,207 | 1984 | |
| Lacrosse nuclear power plant | United States | Retired | BWR | 55 | 1969 |
| Laguna Verde nuclear power plant 1 | Mexico | BWR | 805 | 1990 | |
| Laguna Verde nuclear power plant 2 | Mexico | BWR | 803 | 1995 | |
| Laguna Verde nuclear power plant 3 | Mexico | Cancelled (inferred) | — | 1,400 | — |
| Laguna Verde nuclear power plant 4 | Mexico | Cancelled (inferred) | — | 1,400 | — |
| Laiyang nuclear power plant 1-1 | China | Announced | PWR | 1,543 | 2032 |
| Laiyang nuclear power plant 1-2 | China | Announced | PWR | 1,543 | 2032 |
| Lamwo nuclear power plant 1 | Uganda | Announced | — | 1,000 | — |
| Lamwo nuclear power plant 2 | Uganda | Announced | — | 1,000 | — |
| Lamwo nuclear power plant 3 | Uganda | Announced | — | 1,000 | — |
| Lamwo nuclear power plant 4 | Uganda | Announced | — | 1,000 | — |
| Latina nuclear power plant | Italy | Retired | GCR | 160 | 1964 |
| Le Carnet nuclear power plant 1 | France | Cancelled | PWR | 1,500 | — |
| Le Carnet nuclear power plant 2 | France | Cancelled | PWR | 1,500 | — |
| Le Carnet nuclear power plant 3 | France | Cancelled | PWR | 1,500 | — |
| Le Carnet nuclear power plant 4 | France | Cancelled | PWR | 1,500 | — |
| Leibstadt nuclear power plant | Switzerland | BWR | 1,275 | 1984 | |
| Lemóniz nuclear power plant 1 | Spain | Cancelled | PWR | 930 | — |
| Lemóniz nuclear power plant 2 | Spain | Cancelled | PWR | 930 | — |
| Leningrad nuclear power plant 1-1 | Russia | Retired | LWGR | 1,000 | 1974 |
| Leningrad nuclear power plant 1-2 | Russia | Retired | LWGR | 1,000 | 1976 |
| Leningrad nuclear power plant 1-3 | Russia | LWGR | 1,000 | 1980 | |
| Leningrad nuclear power plant 1-4 | Russia | LWGR | 1,000 | 1981 | |
| Leningrad nuclear power plant 2-1 | Russia | PWR | 1,188 | 2018 | |
| Leningrad nuclear power plant 2-2 | Russia | PWR | 1,188 | 2021 | |
| Leningrad nuclear power plant 2-3 | Russia | Under construction | PWR | 1,199 | 2030 |
| Leningrad nuclear power plant 2-4 | Russia | Under construction | PWR | 1,199 | 2032 |
| Letart nuclear power plant 1 | United States | Pre-construction | — | 300 | 2034 |
| Letart nuclear power plant 2 | United States | Pre-construction | — | 300 | — |
| Letart nuclear power plant 3 | United States | Announced | — | 300 | — |
| Letart nuclear power plant 4 | United States | Announced | — | 300 | — |
| Letart nuclear power plant 5 | United States | Announced | — | 300 | — |
| Levy County nuclear power plant 1 | United States | Cancelled | PWR | 1,250 | — |
| Levy County nuclear power plant 2 | United States | Cancelled | PWR | 1,250 | — |
| Lianjiang nuclear power plant 1-1 | China | Under construction | PWR | 1,224 | — |
| Lianjiang nuclear power plant 1-2 | China | Under construction | PWR | 1,224 | — |
| Lianjiang nuclear power plant 3 | China | Announced | PWR | 1,250 | — |
| Lianjiang nuclear power plant 4 | China | Announced | PWR | 1,250 | — |
| Lianjiang nuclear power plant 5 | China | Announced | PWR | 1,250 | — |
| Lianjiang nuclear power plant 6 | China | Announced | PWR | 1,250 | — |
| Limerick nuclear power plant 1 | United States | BWR | 1,194 | 1986 | |
| Limerick nuclear power plant 2 | United States | BWR | 1,194 | 1990 | |
| Ling'ao nuclear power plant 1-1 | China | PWR | 990 | 2002 | |
| Ling'ao nuclear power plant 1-2 | China | PWR | 990 | 2003 | |
| Ling'ao nuclear power plant 2-3 | China | PWR | 1,086 | 2010 | |
| Ling'ao nuclear power plant 2-4 | China | PWR | 1,086 | 2011 | |
| Lingen nuclear power plant | Germany | Retired | BWR | 268 | 1968 |
| Linglong nuclear power plant 1 | China | Under construction | PWR | 125 | 2026 |
| Llynfi nuclear power plant 1 | United Kingdom | Announced | PWR | 20 | — |
| Llynfi nuclear power plant 2 | United Kingdom | Announced | PWR | 20 | — |
| Llynfi nuclear power plant 3 | United Kingdom | Announced | PWR | 20 | — |
| Llynfi nuclear power plant 4 | United Kingdom | Announced | PWR | 20 | — |
| Long Mott nuclear power plant 1 | United States | Pre-construction | HTGR | 80 | 2033 |
| Long Mott nuclear power plant 2 | United States | Pre-construction | HTGR | 80 | 2033 |
| Long Mott nuclear power plant 3 | United States | Pre-construction | HTGR | 80 | 2033 |
| Long Mott nuclear power plant 4 | United States | Pre-construction | HTGR | 80 | 2033 |
| Longmen nuclear power plant 1 | Taiwan | Cancelled | BWR | 1,350 | — |
| Longmen nuclear power plant 2 | Taiwan | Cancelled | BWR | 1,350 | — |
| Longyou nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Longyou nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Longyou nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Longyou nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Loviisa nuclear power plant 1 | Finland | PWR | 531 | 1977 | |
| Loviisa nuclear power plant 2 | Finland | PWR | 531 | 1981 | |
| Loviisa nuclear power plant 3 | Finland | Cancelled | — | 1,800 | — |
| Lubiatowo-Kopalino nuclear power plant 1 | Poland | Pre-construction | PWR | 1,250 | 2036 |
| Lubiatowo-Kopalino nuclear power plant 2 | Poland | Pre-construction | PWR | 1,250 | 2037 |
| Lubiatowo-Kopalino nuclear power plant 3 | Poland | Pre-construction | PWR | 1,250 | 2038 |
| Lucens nuclear power plant | Switzerland | Retired | PHWR | 7 | 1968 |
| Lufeng nuclear power plant 1 | China | Under construction | PWR | 1,250 | — |
| Lufeng nuclear power plant 2 | China | Under construction | PWR | 1,200 | — |
| Lufeng nuclear power plant 3 | China | Announced | PWR | 1,250 | — |
| Lufeng nuclear power plant 4 | China | Announced | PWR | 1,250 | — |
| Lufeng nuclear power plant 5 | China | Under construction | PWR | 1,200 | 2028 |
| Lufeng nuclear power plant 6 | China | Under construction | PWR | 1,200 | — |
| MH-1A nuclear power plant | Panama | Retired | PWR | 10 | 1968 |
| MZFR nuclear power plant | Germany | Retired | PHWR | 57 | 1966 |
| Maanshan nuclear power plant 1 | Taiwan | Retired | PWR | 951 | 1984 |
| Maanshan nuclear power plant 2 | Taiwan | Retired | PWR | 951 | 1985 |
| Madras nuclear power plant 1 | India | Mothballed | PHWR | 220 | 1984 |
| Madras nuclear power plant 2 | India | PHWR | 220 | 1986 | |
| Maharashtra thorium-based nuclear power plant 1 | India | Announced | — | 1,540 | — |
| Maharashtra thorium-based nuclear power plant 2 | India | Announced | — | 440 | — |
| Mahi Banswara nuclear power plant 1-1 | India | Pre-construction | PHWR | 700 | 2029 |
| Mahi Banswara nuclear power plant 1-2 | India | Pre-construction | PHWR | 700 | 2029 |
| Mahi Banswara nuclear power plant 2-3 | India | Pre-construction | PHWR | 700 | 2029 |
| Mahi Banswara nuclear power plant 2-4 | India | Pre-construction | PHWR | 700 | 2029 |
| Maine Yankee nuclear power plant | United States | Retired | PWR | 900 | 1972 |
| Maki nuclear power plant 1 | Japan | Cancelled | BWR | 780 | — |
| Maki nuclear power plant 2 | Japan | Cancelled | BWR | 1,067 | — |
| Makran Coast nuclear power plant 1 | Iran | Cancelled (inferred) | — | 100 | — |
| Makran Coast nuclear power plant 2 | Iran | Cancelled (inferred) | — | 100 | — |
| Malibu nuclear power plant 1 | United States | Cancelled | PWR | 462 | — |
| Maoming nuclear power plant 1-1 | China | Announced | HTGR | 200 | — |
| Maoming nuclear power plant 1-2 | China | Announced | HTGR | 200 | — |
| Maoming nuclear power plant 1-3 | China | Announced | HTGR | 200 | — |
| Marble Hill nuclear power plant 1 | United States | Cancelled | PWR | 1,130 | — |
| Marble Hill nuclear power plant 2 | United States | Cancelled | PWR | 1,130 | — |
| Marcoule nuclear power plant Astrid 1 | France | Cancelled | FBR | 600 | — |
| Marcoule nuclear power plant G1 | France | Retired | — | 7 | 1956 |
| Marcoule nuclear power plant G2 | France | Retired | GCR | 43 | 1959 |
| Marcoule nuclear power plant G3 | France | Retired | GCR | 43 | 1960 |
| McGuire nuclear power plant 1 | United States | PWR | 1,215 | 1981 | |
| McGuire nuclear power plant 2 | United States | PWR | 1,215 | 1984 | |
| MidAmerican Iowa nuclear power plant | United States | Cancelled | — | 540 | — |
| Midland nuclear power plant 1 | United States | Cancelled | PWR | 492 | — |
| Midland nuclear power plant 2 | United States | Cancelled | PWR | 818 | — |
| Midpoint SMR nuclear power plant 1 | United States | Announced | PWR | 77 | — |
| Midpoint SMR nuclear power plant 2 | United States | Announced | PWR | 77 | — |
| Midpoint SMR nuclear power plant 3 | United States | Announced | PWR | 77 | — |
| Midpoint SMR nuclear power plant 4 | United States | Announced | PWR | 77 | — |
| Midpoint SMR nuclear power plant 5 | United States | Announced | PWR | 77 | — |
| Midpoint SMR nuclear power plant 6 | United States | Announced | PWR | 77 | — |
| Mihama nuclear power plant 1 | Japan | Retired | PWR | 340 | 1970 |
| Mihama nuclear power plant 2 | Japan | Retired | PWR | 500 | 1972 |
| Mihama nuclear power plant 3 | Japan | PWR | 826 | 1976 | |
| Millstone nuclear power plant 1 | United States | Retired | BWR | 684 | 1971 |
| Millstone nuclear power plant 2 | United States | PWR | 918 | 1975 | |
| Millstone nuclear power plant 3 | United States | PWR | 1,280 | 1986 | |
| Minsk nuclear power plant 1 | Belarus | Cancelled | PWR | 1,000 | — |
| Minsk nuclear power plant 2 | Belarus | Cancelled | PWR | 1,000 | — |
| Mochovce nuclear power plant 1 | Slovakia | PWR | 500 | 1998 | |
| Mochovce nuclear power plant 2 | Slovakia | PWR | 500 | 2000 | |
| Mochovce nuclear power plant 3 | Slovakia | PWR | 471 | 2023 | |
| Mochovce nuclear power plant 4 | Slovakia | Under construction | PWR | 471 | — |
| Monju nuclear power plant | Japan | Retired | FBR | 280 | 1995 |
| Montague nuclear power plant 1 | United States | Cancelled | BWR | 1,150 | — |
| Montague nuclear power plant 2 | United States | Cancelled | BWR | 1,150 | — |
| Montalto di Castro nuclear power plant 1 | Italy | Cancelled | BWR | 1,009 | — |
| Montalto di Castro nuclear power plant 2 | Italy | Cancelled | BWR | 1,009 | — |
| Monticello nuclear power plant | United States | BWR | 691 | 1971 | |
| Moorside Clean Energy Hub nuclear power plant 1 | United Kingdom | Shelved (inferred) | PWR | 1,600 | — |
| Moorside Clean Energy Hub nuclear power plant 2 | United Kingdom | Shelved (inferred) | PWR | 1,600 | — |
| Moorside nuclear power plant 1 | United Kingdom | Cancelled | PWR | 1,135 | — |
| Moorside nuclear power plant 2 | United Kingdom | Cancelled | PWR | 1,135 | — |
| Moorside nuclear power plant 3 | United Kingdom | Cancelled | PWR | 1,135 | — |
| Muehleberg nuclear power plant 1 | Switzerland | Retired | BWR | 390 | 1972 |
| Muehleberg nuclear power plant 2 | Switzerland | Cancelled | — | 1,600 | — |
| Muelheim-Kaerlich nuclear power plant | Germany | Retired | PWR | 1,302 | 1987 |
| Muria nuclear power plant 1 | Indonesia | Cancelled | — | 1,000 | — |
| Muria nuclear power plant 2 | Indonesia | Cancelled | — | 1,000 | — |
| Nakasongola nuclear power plant 1 | Uganda | Announced | — | 1,200 | — |
| Nakasongola nuclear power plant 2 | Uganda | Announced | — | 1,200 | — |
| Nakasongola nuclear power plant 3 | Uganda | Announced | — | 1,200 | — |
| Nakasongola nuclear power plant 4 | Uganda | Announced | — | 1,200 | — |
| Nakasongola nuclear power plant 5 | Uganda | Announced | — | 1,200 | — |
| Nakasongola nuclear power plant 6 | Uganda | Announced | — | 1,200 | — |
| Namie-Odaka nuclear power plant 1 | Japan | Cancelled | BWR | 825 | — |
| Nanticoke nuclear power plant 1 | Canada | Cancelled | — | 1,350 | — |
| Nanticoke nuclear power plant 2 | Canada | Cancelled | — | 1,350 | — |
| Nanyang nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Nanyang nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Nanyang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Nanyang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Nanyang nuclear power plant 5 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Nanyang nuclear power plant 6 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Narora nuclear power plant 1 | India | PHWR | 220 | 1991 | |
| Narora nuclear power plant 2 | India | PHWR | 220 | 1992 | |
| Natura Permian Basin nuclear power plant | United States | Announced | MSR | 100 | 2029 |
| Natura Resources Texas A&M nuclear power plant | United States | Announced | — | 100 | 2030 |
| Navai New nuclear power plant 1 | Azerbaijan | Cancelled | — | 1,500 | — |
| Navai Original nuclear power plant 1 | Azerbaijan | Cancelled | — | 1,000 | — |
| Navoi nuclear power plant 1 | Uzbekistan | Announced | PWR | 1,200 | 2028 |
| Navoi nuclear power plant 2 | Uzbekistan | Announced | PWR | 1,200 | 2030 |
| Neckarwestheim nuclear power plant 1 | Germany | Retired | PWR | 840 | 1976 |
| Neckarwestheim nuclear power plant 2 | Germany | Retired | PWR | 1,400 | 1989 |
| New England nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| New England nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| Niederaichbach nuclear power plant 1 | Germany | Retired | PHWR | 106 | 1973 |
| Niederamt nuclear power plant | Switzerland | Cancelled | — | 1,600 | — |
| Nine Mile Point nuclear power plant 1 | United States | BWR | 642 | 1969 | |
| Nine Mile Point nuclear power plant 2 | United States | BWR | 1,320 | 1988 | |
| Nine Mile Point nuclear power plant 3 | United States | Cancelled | PWR | 1,600 | — |
| Nine Mile Point nuclear power plant SMR | United States | Announced | — | 300 | — |
| Ningde nuclear power plant 1-1 | China | PWR | 1,089 | 2013 | |
| Ningde nuclear power plant 1-2 | China | PWR | 1,089 | 2014 | |
| Ningde nuclear power plant 1-3 | China | PWR | 1,089 | 2015 | |
| Ningde nuclear power plant 1-4 | China | PWR | 1,089 | 2016 | |
| Ningde nuclear power plant 2-5 | China | Under construction | PWR | 1,200 | — |
| Ningde nuclear power plant 2-6 | China | Under construction | PWR | 1,221 | — |
| Ningdu nuclear power plant 1 | China | Cancelled (inferred) | — | 125 | — |
| Ningdu nuclear power plant 2 | China | Cancelled (inferred) | — | 125 | — |
| Ninh Thuận 1 nuclear power plant 1 | Vietnam | Pre-construction | PWR | 1,200 | 2030 |
| Ninh Thuận 1 nuclear power plant 2 | Vietnam | Pre-construction | PWR | 1,200 | 2030 |
| Ninh Thuận 1 nuclear power plant 3 | Vietnam | Announced | PWR | 1,200 | 2030 |
| Ninh Thuận 1 nuclear power plant 4 | Vietnam | Announced | PWR | 1,200 | 2030 |
| Ninh Thuận 2 nuclear power plant 1 | Vietnam | Announced | PWR | 1,100 | 2030 |
| Ninh Thuận 2 nuclear power plant 2 | Vietnam | Announced | PWR | 1,100 | 2030 |
| Ninh Thuận 2 nuclear power plant 3 | Vietnam | Announced | PWR | 1,100 | 2030 |
| Ninh Thuận 2 nuclear power plant 4 | Vietnam | Announced | PWR | 1,100 | 2030 |
| Nizhny Novgorod nuclear power plant 1 | Russia | Announced | PWR | 1,255 | 2030 |
| Nizhny Novgorod nuclear power plant 2 | Russia | Announced | PWR | 1,255 | 2030 |
| Nizhny Novgorod nuclear power plant 3 | Russia | Cancelled (inferred) | PWR | 1,255 | — |
| Nizhny Novgorod nuclear power plant 4 | Russia | Cancelled (inferred) | PWR | 1,255 | — |
| Nogent nuclear power plant 1 | France | PWR | 1,363 | 1988 | |
| Nogent nuclear power plant 2 | France | PWR | 1,363 | 1989 | |
| Norilsk nuclear power plant 1 | Russia | Announced | PWR | 80 | — |
| Norilsk nuclear power plant 2 | Russia | Announced | PWR | 80 | — |
| Norilsk nuclear power plant 3 | Russia | Announced | PWR | 80 | — |
| Norilsk nuclear power plant 4 | Russia | Announced | PWR | 80 | — |
| Norsk Kjernekraft nuclear power plant 1 | Norway | Announced | — | 300 | — |
| Norsk Kjernekraft nuclear power plant 2 | Norway | Announced | — | 300 | — |
| Norsk Kjernekraft nuclear power plant 3 | Norway | Announced | — | 300 | — |
| Norsk Kjernekraft nuclear power plant 4 | Norway | Announced | — | 300 | — |
| North Anna nuclear power plant 1 | United States | PWR | 990 | 1978 | |
| North Anna nuclear power plant 2 | United States | PWR | 1,011 | 1980 | |
| North Anna nuclear power plant 3 | United States | Cancelled | BWR | 1,500 | — |
| North Anna nuclear power plant 3A | United States | Cancelled | PWR | 907 | — |
| North Anna nuclear power plant 4A | United States | Cancelled | PWR | 907 | — |
| North Anna nuclear power plant SMR | United States | Announced | — | 300 | — |
| North Coast nuclear power plant 1 | Puerto Rico | Cancelled | PWR | 583 | — |
| North Teeside nuclear power plant 1 | United Kingdom | Announced | — | 300 | 2030 |
| North Teeside nuclear power plant 2 | United Kingdom | Announced | — | 300 | 2030 |
| North Teeside nuclear power plant 3 | United Kingdom | Announced | — | 300 | 2030 |
| North Teeside nuclear power plant 4 | United Kingdom | Announced | — | 300 | 2030 |
| Novocherkassk nuclear power plant 1 | Russia | Announced | PWR | 1,200 | 2036 |
| Novocherkassk nuclear power plant 2 | Russia | Announced | PWR | 1,200 | 2038 |
| Novovoronezh nuclear power plant 1-1 | Russia | Retired | PWR | 210 | 1964 |
| Novovoronezh nuclear power plant 1-2 | Russia | Retired | PWR | 365 | 1970 |
| Novovoronezh nuclear power plant 1-3 | Russia | Retired | PWR | 417 | 1972 |
| Novovoronezh nuclear power plant 1-4 | Russia | PWR | 417 | 1973 | |
| Novovoronezh nuclear power plant 1-5 | Russia | PWR | 1,000 | 1981 | |
| Novovoronezh nuclear power plant 2-1 | Russia | PWR | 1,180 | 2017 | |
| Novovoronezh nuclear power plant 2-2 | Russia | PWR | 1,181 | 2019 | |
| Novovoronezh nuclear power plant 2-3 | Russia | Announced | PWR | 1,200 | 2032 |
| Novovoronezh nuclear power plant 2-4 | Russia | Announced | PWR | 1,200 | 2036 |
| Nowa Huta nuclear power plant 1 | Poland | Announced | — | 300 | — |
| Nowa Huta nuclear power plant 2 | Poland | Announced | — | 300 | — |
| Nowa Huta nuclear power plant 3 | Poland | Announced | — | 300 | — |
| Nowa Huta nuclear power plant 4 | Poland | Announced | — | 300 | — |
| Nsuban nuclear power plant 1 | Ghana | Pre-construction | — | 1,200 | — |
| Nsuban nuclear power plant 10 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 11 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 12 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 13 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 2 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 3 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 4 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 5 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 6 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 7 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 8 | Ghana | Pre-construction | — | 77 | — |
| Nsuban nuclear power plant 9 | Ghana | Pre-construction | — | 77 | — |
| Nuclear Power Demonstration (NPD) nuclear power plant | Canada | Retired | PHWR | 25 | 1962 |
| Nyongbyon nuclear power plant 1 | North Korea | GCR | 5 | 1985 | |
| Nyongbyon nuclear power plant 2 | North Korea | Cancelled | GCR | 50 | — |
| Nyongbyon nuclear power plant 3 | North Korea | Mothballed | LWGR | 30 | 2023 |
| Obrigheim nuclear power plant | Germany | Retired | PWR | 357 | 1969 |
| Oconee nuclear power plant 1 | United States | PWR | 891 | 1973 | |
| Oconee nuclear power plant 2 | United States | PWR | 891 | 1974 | |
| Oconee nuclear power plant 3 | United States | PWR | 900 | 1974 | |
| Odessa nuclear power plant 1 | Ukraine | Cancelled | PWR | 1,000 | — |
| Odessa nuclear power plant 2 | Ukraine | Cancelled | PWR | 1,000 | — |
| Ohi nuclear power plant 1 | Japan | Retired | PWR | 1,175 | 1979 |
| Ohi nuclear power plant 2 | Japan | Retired | PWR | 1,175 | 1979 |
| Ohi nuclear power plant 3 | Japan | PWR | 1,180 | 1991 | |
| Ohi nuclear power plant 4 | Japan | PWR | 1,180 | 1993 | |
| Ohma nuclear power plant 1 | Japan | Under construction | BWR | 1,383 | 2029 |
| Ohma nuclear power plant Original | Japan | Cancelled | — | 600 | — |
| Oklo nuclear power plant 1 | United States | Pre-construction | FBR | 75 | 2030 |
| Oklo nuclear power plant 2 | United States | Pre-construction | FBR | 75 | — |
| Oldbury nuclear power plant A1 | United Kingdom | Retired | GCR | 230 | 1967 |
| Oldbury nuclear power plant A2 | United Kingdom | Retired | GCR | 230 | 1968 |
| Oldbury nuclear power plant B1 | United Kingdom | Cancelled | PWR | 1,100 | — |
| Oldbury nuclear power plant B2 | United Kingdom | Cancelled | PWR | 1,100 | — |
| Oldbury nuclear power plant B3 | United Kingdom | Cancelled | PWR | 1,100 | — |
| Olkiluoto nuclear power plant 1 | Finland | BWR | 920 | 1979 | |
| Olkiluoto nuclear power plant 2 | Finland | BWR | 920 | 1982 | |
| Olkiluoto nuclear power plant 3 | Finland | PWR | 1,720 | 2022 | |
| Olkiluoto nuclear power plant 4 | Finland | Cancelled | — | 1,830 | — |
| Onagawa nuclear power plant 1 | Japan | Retired | BWR | 524 | 1984 |
| Onagawa nuclear power plant 2 | Japan | BWR | 825 | 2024 | |
| Onagawa nuclear power plant 3 | Japan | Mothballed | BWR | 825 | 2002 |
| Oskarshamn nuclear power plant 1 | Sweden | Retired | BWR | 492 | 1972 |
| Oskarshamn nuclear power plant 2 | Sweden | Retired | BWR | 661 | 1975 |
| Oskarshamn nuclear power plant 3 | Sweden | BWR | 1,450 | 1985 | |
| Ostrołęka nuclear power plant 1 | Poland | Pre-construction | — | 300 | — |
| Ostrołęka nuclear power plant 2 | Poland | Pre-construction | — | 300 | — |
| Ostrołęka nuclear power plant 3 | Poland | Pre-construction | — | 300 | — |
| Ostrołęka nuclear power plant 4 | Poland | Pre-construction | — | 300 | — |
| Oyster Creek nuclear power plant 1 | United States | Retired | BWR | 652 | 1969 |
| Oyster Creek nuclear power plant SMR 1 | United States | Announced | — | 300 | — |
| Oyster Creek nuclear power plant SMR 2 | United States | Announced | — | 300 | — |
| Oyster Creek nuclear power plant SMR 3 | United States | Announced | — | 300 | — |
| Oyster Creek nuclear power plant SMR 4 | United States | Announced | — | 300 | — |
| Paks nuclear power plant 1 | Hungary | PWR | 509 | 1983 | |
| Paks nuclear power plant 2 | Hungary | PWR | 506 | 1984 | |
| Paks nuclear power plant 3 | Hungary | PWR | 506 | 1986 | |
| Paks nuclear power plant 4 | Hungary | PWR | 506 | 1987 | |
| Paks nuclear power plant 5 | Hungary | Under construction | PWR | 1,265 | 2032 |
| Paks nuclear power plant 6 | Hungary | Under construction | PWR | 1,265 | 2032 |
| Palisades nuclear power plant 1 | United States | Retired | PWR | 850 | 1971 |
| Palisades nuclear power plant 2 | United States | Pre-construction | — | 300 | 2030 |
| Palisades nuclear power plant 3 | United States | Pre-construction | — | 300 | 2030 |
| Palisades nuclear power plant Unit 1 Repower | United States | Under construction | PWR | 800 | 2026 |
| Palo Verde nuclear power plant 1 | United States | PWR | 1,414 | 1986 | |
| Palo Verde nuclear power plant 2 | United States | PWR | 1,414 | 1986 | |
| Palo Verde nuclear power plant 3 | United States | PWR | 1,414 | 1988 | |
| Palo Verde nuclear power plant 4 | United States | Cancelled | PWR | 1,270 | — |
| Palo Verde nuclear power plant 5 | United States | Cancelled | PWR | 1,270 | — |
| Paluel nuclear power plant 1 | France | PWR | 1,382 | 1985 | |
| Paluel nuclear power plant 2 | France | PWR | 1,382 | 1985 | |
| Paluel nuclear power plant 3 | France | PWR | 1,382 | 1986 | |
| Paluel nuclear power plant 4 | France | PWR | 1,382 | 1986 | |
| Pathfinder nuclear power plant | United States | Retired | BWR | 63 | 1966 |
| Peace River nuclear power plant 1 | Canada | Announced | — | 1,200 | 2035 |
| Peace River nuclear power plant 2 | Canada | Announced | — | 1,200 | — |
| Peace River nuclear power plant 3 | Canada | Announced | — | 1,200 | — |
| Peace River nuclear power plant 4 | Canada | Announced | — | 1,200 | — |
| Peach Bottom nuclear power plant 1 | United States | Retired | HTGR | 42 | 1967 |
| Peach Bottom nuclear power plant 2 | United States | BWR | 1,412 | 1974 | |
| Peach Bottom nuclear power plant 3 | United States | BWR | 1,412 | 1974 | |
| Pebble Springs nuclear power plant 1 | United States | Cancelled | PWR | 1,260 | — |
| Pebble Springs nuclear power plant 2 | United States | Cancelled | PWR | 1,260 | — |
| Penly nuclear power plant 1 | France | PWR | 1,382 | 1990 | |
| Penly nuclear power plant 2 | France | PWR | 1,382 | 1992 | |
| Penly nuclear power plant 3 | France | Pre-construction | PWR | 1,650 | 2038 |
| Penly nuclear power plant 4 | France | Pre-construction | PWR | 1,650 | 2038 |
| Perkins nuclear power plant 1 | United States | Cancelled | PWR | 1,280 | — |
| Perkins nuclear power plant 2 | United States | Cancelled | PWR | 1,280 | — |
| Perkins nuclear power plant 3 | United States | Cancelled | PWR | 1,280 | — |
| Perry nuclear power plant 1 | United States | BWR | 1,303 | 1987 | |
| Perry nuclear power plant 2 | United States | Cancelled | BWR | 1,205 | — |
| Perryman nuclear power plant 1 | United States | Cancelled | PWR | 845 | — |
| Perryman nuclear power plant 2 | United States | Cancelled | PWR | 845 | — |
| Phenix nuclear power plant | France | Retired | FBR | 142 | 1974 |
| Philippines nuclear power plant | Philippines | Shelved (inferred) | GCR | 40 | — |
| Philippsburg nuclear power plant 1 | Germany | Retired | BWR | 926 | 1980 |
| Philippsburg nuclear power plant 2 | Germany | Retired | PWR | 1,468 | 1985 |
| Phipps Bend nuclear power plant 1 | United States | Cancelled | BWR | 1,233 | — |
| Phipps Bend nuclear power plant 2 | United States | Cancelled | BWR | 1,233 | — |
| Pickering nuclear power plant A1 | Canada | Retired | PHWR | 542 | 1971 |
| Pickering nuclear power plant A2 | Canada | Retired | PHWR | 542 | 1971 |
| Pickering nuclear power plant A3 | Canada | Retired | PHWR | 542 | 1972 |
| Pickering nuclear power plant A4 | Canada | Retired | PHWR | 542 | 1973 |
| Pickering nuclear power plant B5 | Canada | PHWR | 540 | 1983 | |
| Pickering nuclear power plant B6 | Canada | PHWR | 540 | 1984 | |
| Pickering nuclear power plant B7 | Canada | PHWR | 540 | 1985 | |
| Pickering nuclear power plant B8 | Canada | PHWR | 540 | 1986 | |
| Piketon nuclear power plant 1 | United States | Cancelled (inferred) | PWR | 1,600 | — |
| Pilgrim nuclear power plant 1 | United States | Retired | BWR | 711 | 1972 |
| Pilgrim nuclear power plant 2 | United States | Cancelled | PWR | 1,180 | — |
| Pilgrim nuclear power plant 3 | United States | Cancelled | PWR | 1,180 | — |
| Pingnan Baisha nuclear power plant 1 | China | Cancelled (inferred) | — | 1,250 | — |
| Pingnan Baisha nuclear power plant 2 | China | Cancelled (inferred) | — | 1,250 | — |
| Pingnan Baisha nuclear power plant 3 | China | Cancelled (inferred) | — | 1,250 | — |
| Pingnan Baisha nuclear power plant 4 | China | Cancelled (inferred) | — | 1,250 | — |
| Piqua nuclear power plant | United States | Retired | — | 12 | 1963 |
| Point Beach nuclear power plant 1 | United States | PWR | 640 | 1970 | |
| Point Beach nuclear power plant 2 | United States | PWR | 640 | 1972 | |
| Point Lepreau nuclear power plant 1 | Canada | PHWR | 705 | 1983 | |
| Point Lepreau nuclear power plant 2 | Canada | Cancelled | — | 1,100 | — |
| Point Lepreau nuclear power plant SMR 1 | Canada | Pre-construction | — | 100 | 2029 |
| Point Lepreau nuclear power plant SMR 2 | Canada | Announced | MSR | 300 | 2030 |
| Prairie Island nuclear power plant 1 | United States | PWR | 566 | 1973 | |
| Prairie Island nuclear power plant 2 | United States | PWR | 560 | 1974 | |
| Primorsk nuclear power plant 1 | Russia | Announced | PWR | 25 | — |
| Primorsk nuclear power plant 2 | Russia | Announced | PWR | 25 | — |
| Primorsk nuclear power plant 3 | Russia | Announced | PWR | 25 | — |
| Primorsk nuclear power plant 4 | Russia | Announced | PWR | 25 | — |
| Primorsk nuclear power plant 5 | Russia | Pre-construction | PWR | 1,000 | 2033 |
| Primorsk nuclear power plant 6 | Russia | Pre-construction | PWR | 1,000 | 2035 |
| Prodigy nuclear power plant | Canada | Announced | — | 5 | — |
| Project Matador nuclear power plant 1 | United States | Pre-construction | PWR | 1,100 | 2032 |
| Project Matador nuclear power plant 2 | United States | Pre-construction | PWR | 1,100 | 2034 |
| Project Matador nuclear power plant 3 | United States | Pre-construction | PWR | 1,100 | 2035 |
| Project Matador nuclear power plant 4 | United States | Pre-construction | PWR | 1,100 | 2036 |
| Project Pele nuclear power plant | United States | Under construction | GCR | 2 | 2028 |
| Prunéřov nuclear power plant | Czech Republic | Announced | — | 470 | — |
| Pulandian nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Pulandian nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Pulandian nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Pulandian nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Putian nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 100 | — |
| Putian nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 100 | — |
| Pątnów nuclear power plant 1 | Poland | Announced | PWR | 1,400 | 2035 |
| Pątnów nuclear power plant 2 | Poland | Announced | PWR | 1,400 | — |
| Qasr-Amra nuclear power plant 1 | Jordan | Cancelled | PWR | 1,060 | — |
| Qasr-Amra nuclear power plant 2 | Jordan | Cancelled | PWR | 1,060 | — |
| Qinshan nuclear power plant 1-1 | China | PWR | 330 | 1994 | |
| Qinshan nuclear power plant 2-1 | China | PWR | 670 | 2002 | |
| Qinshan nuclear power plant 2-2 | China | PWR | 708 | 2004 | |
| Qinshan nuclear power plant 2-3 | China | PWR | 670 | 2010 | |
| Qinshan nuclear power plant 2-4 | China | PWR | 670 | 2011 | |
| Qinshan nuclear power plant 3-1 | China | PWR | 728 | 2002 | |
| Qinshan nuclear power plant 3-2 | China | PWR | 728 | 2003 | |
| Quad Cities nuclear power plant 1 | United States | BWR | 940 | 1973 | |
| Quad Cities nuclear power plant 2 | United States | BWR | 940 | 1973 | |
| Quanicassee nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| Quanicassee nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| Rajasthan nuclear power plant 1 | India | Mothballed | PHWR | 100 | 1973 |
| Rajasthan nuclear power plant 2 | India | PHWR | 200 | 1981 | |
| Rajasthan nuclear power plant 3 | India | PHWR | 220 | 2000 | |
| Rajasthan nuclear power plant 4 | India | PHWR | 220 | 2000 | |
| Rajasthan nuclear power plant 5 | India | PHWR | 220 | 2010 | |
| Rajasthan nuclear power plant 6 | India | PHWR | 220 | 2010 | |
| Rajasthan nuclear power plant 7 | India | PHWR | 700 | 2025 | |
| Rajasthan nuclear power plant 8 | India | Under construction | PHWR | 700 | 2026 |
| Rajauli nuclear power plant 1 | India | Cancelled (inferred) | — | 700 | — |
| Rajauli nuclear power plant 2 | India | Cancelled (inferred) | — | 700 | — |
| Rancho Seco nuclear power plant 1 | United States | Retired | PWR | 917 | 1975 |
| Ravenswood nuclear power plant 1 | United States | Cancelled | PWR | 500 | — |
| Ravenswood nuclear power plant 2 | United States | Cancelled | PWR | 500 | — |
| Regodola nuclear power plant 1 | Spain | Cancelled | — | 1,000 | — |
| Rheinsberg nuclear power plant | Germany | Retired | PWR | 70 | 1966 |
| Ringhals nuclear power plant 1 | Sweden | Retired | BWR | 910 | 1976 |
| Ringhals nuclear power plant 2 | Sweden | Retired | PWR | 963 | 1975 |
| Ringhals nuclear power plant 3 | Sweden | PWR | 1,117 | 1981 | |
| Ringhals nuclear power plant 4 | Sweden | PWR | 1,171 | 1983 | |
| River Bend nuclear power plant 1 | United States | BWR | 1,016 | 1986 | |
| River Bend nuclear power plant 2 | United States | Cancelled | BWR | 934 | — |
| River Bend nuclear power plant 3 | United States | Cancelled | BWR | 1,520 | — |
| Rivne nuclear power plant 1 | Ukraine | PWR | 420 | 1981 | |
| Rivne nuclear power plant 2 | Ukraine | PWR | 415 | 1982 | |
| Rivne nuclear power plant 3 | Ukraine | PWR | 1,000 | 1987 | |
| Rivne nuclear power plant 4 | Ukraine | PWR | 1,000 | 2006 | |
| Rivne nuclear power plant 5 | Ukraine | Shelved (inferred) | PWR | 1,250 | — |
| Rivne nuclear power plant SMR 1 | Ukraine | Shelved (inferred) | — | 160 | — |
| Rivne nuclear power plant SMR 2 | Ukraine | Shelved (inferred) | — | 160 | — |
| Rivne nuclear power plant SMR 3 | Ukraine | Shelved (inferred) | — | 160 | — |
| Rivne nuclear power plant SMR 4 | Ukraine | Shelved (inferred) | — | 160 | — |
| Rivne nuclear power plant SMR 5 | Ukraine | Shelved (inferred) | — | 160 | — |
| Rivne nuclear power plant SMR 6 | Ukraine | Shelved (inferred) | — | 160 | — |
| Robert Emmett Ginna nuclear power plant | United States | PWR | 608 | 1970 | |
| Rockport nuclear power plant | United States | Announced | — | 300 | — |
| Rooppur nuclear power plant 1 | Bangladesh | Under construction | PWR | 1,200 | 2026 |
| Rooppur nuclear power plant 2 | Bangladesh | Under construction | PWR | 1,200 | 2027 |
| Rostov nuclear power plant 1 | Russia | PWR | 1,041 | 2001 | |
| Rostov nuclear power plant 2 | Russia | PWR | 1,000 | 2010 | |
| Rostov nuclear power plant 3 | Russia | PWR | 1,000 | 2015 | |
| Rostov nuclear power plant 4 | Russia | PWR | 1,030 | 2018 | |
| Ruijin nuclear power plant 1-1 | China | Cancelled (inferred) | HTGR | 600 | — |
| Ruijin nuclear power plant 1-2 | China | Cancelled (inferred) | HTGR | 600 | — |
| Ruijin nuclear power plant 3 | China | Cancelled (inferred) | HTGR | 600 | — |
| Ruijin nuclear power plant 4 | China | Cancelled (inferred) | HTGR | 600 | — |
| Ruijin nuclear power plant 5 | China | Cancelled (inferred) | HTGR | 600 | — |
| Ruijin nuclear power plant 6 | China | Cancelled (inferred) | HTGR | 600 | — |
| Rushan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Rushan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| SM-1 nuclear power plant | United States | Retired | PWR | 2 | 1957 |
| SM-1A nuclear power plant | United States | Retired | PWR | 2 | 1962 |
| Saeul nuclear power plant 1 | South Korea | PWR | 1,488 | 2016 | |
| Saeul nuclear power plant 2 | South Korea | PWR | 1,491 | 2019 | |
| Saeul nuclear power plant 3 | South Korea | Under construction | PWR | 1,400 | 2026 |
| Saeul nuclear power plant 4 | South Korea | Under construction | PWR | 1,400 | 2026 |
| Saint-Laurent nuclear power plant A-1 | France | Retired | GCR | 500 | 1969 |
| Saint-Laurent nuclear power plant A-2 | France | Retired | GCR | 530 | 1971 |
| Saint-Laurent nuclear power plant B-1 | France | PWR | 956 | 1983 | |
| Saint-Laurent nuclear power plant B-2 | France | PWR | 956 | 1983 | |
| Salem nuclear power plant 1 | United States | PWR | 1,254 | 1977 | |
| Salem nuclear power plant 2 | United States | PWR | 1,200 | 1981 | |
| Salem nuclear power plant 3 | United States | Cancelled (inferred) | — | 1,200 | — |
| San Onofre nuclear power plant 1 | United States | Retired | PWR | 456 | 1968 |
| San Onofre nuclear power plant 2 | United States | Retired | PWR | 1,127 | 1983 |
| San Onofre nuclear power plant 3 | United States | Retired | PWR | 1,127 | 1984 |
| Sanba nuclear power plant 1 | China | Cancelled (inferred) | — | 1,000 | — |
| Sanba nuclear power plant 2 | China | Cancelled (inferred) | — | 1,000 | — |
| Sanba nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Sanba nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Sanmen nuclear power plant 1-1 | China | PWR | 1,251 | 2018 | |
| Sanmen nuclear power plant 1-2 | China | PWR | 1,251 | 2018 | |
| Sanmen nuclear power plant 2-3 | China | Under construction | PWR | 1,251 | — |
| Sanmen nuclear power plant 2-4 | China | Under construction | PWR | 1,251 | — |
| Sanmen nuclear power plant 3-5 | China | Pre-construction | PWR | 1,200 | 2027 |
| Sanmen nuclear power plant 3-6 | China | Pre-construction | PWR | 1,200 | 2028 |
| Sanming nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Sanming nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Sanming nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Sanming nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Santa Maria De Garona nuclear power plant | Spain | Retired | BWR | 466 | 1971 |
| Saskatchewan Research Council nuclear power plant | Canada | Cancelled | — | 5 | — |
| Saskatchewan SMR nuclear power plant | Canada | Announced | BWR | 300 | 2035 |
| Saskatchewan nuclear power plant 1 | Canada | Cancelled | — | 1,000 | — |
| Saskatchewan nuclear power plant 2 | Canada | Cancelled | — | 1,000 | — |
| Satsop nuclear power plant 3 | United States | Cancelled | PWR | 1,242 | — |
| Satsop nuclear power plant 5 | United States | Cancelled | PWR | 1,240 | — |
| Saxton nuclear power plant | United States | Retired | PWR | 3 | 1967 |
| Sayago nuclear power plant 1 | Spain | Cancelled | BWR | 1,075 | — |
| Seabrook nuclear power plant 1 | United States | PWR | 1,296 | 1990 | |
| Seabrook nuclear power plant 2 | United States | Cancelled | PWR | 1,198 | — |
| Sears Isle nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| Sellafield (Candu) nuclear power plant 1 | United Kingdom | Cancelled | PHWR | 740 | — |
| Sellafield (Candu) nuclear power plant 2 | United Kingdom | Cancelled | PHWR | 740 | — |
| Sellafield (Hitachi) nuclear power plant 1 | United Kingdom | Cancelled | FBR | 311 | — |
| Sellafield (Hitachi) nuclear power plant 2 | United Kingdom | Cancelled | FBR | 311 | — |
| Sendai nuclear power plant 1 | Japan | PWR | 890 | 1984 | |
| Sendai nuclear power plant 2 | Japan | PWR | 890 | 1985 | |
| Sendai nuclear power plant 3 | Japan | Shelved | PWR | 1,590 | — |
| Sequoyah nuclear power plant 1 | United States | PWR | 1,221 | 1981 | |
| Sequoyah nuclear power plant 2 | United States | PWR | 1,200 | 1982 | |
| Seversk nuclear power plant 1 | Russia | Under construction | FBR | 320 | 2028 |
| Seversk nuclear power plant 2 | Russia | Cancelled | PWR | 1,255 | — |
| Seversk nuclear power plant Original 1 | Russia | Cancelled | PWR | 1,200 | — |
| Shaoguan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Shaoguan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Shaoguan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Shaoguan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Shearon Harris nuclear power plant 1 | United States | PWR | 980 | 1987 | |
| Shearon Harris nuclear power plant 2 | United States | Cancelled | PWR | 915 | — |
| Shearon Harris nuclear power plant 2A | United States | Cancelled | PWR | 1,100 | — |
| Shearon Harris nuclear power plant 3 | United States | Cancelled | PWR | 900 | — |
| Shearon Harris nuclear power plant 3A | United States | Cancelled | PWR | 1,100 | — |
| Shearon Harris nuclear power plant 4 | United States | Cancelled | PWR | 900 | — |
| Shidao Bay nuclear power plant 1 | China | HTGR | 211 | 2023 | |
| Shidao Bay nuclear power plant 2-1 | China | PWR | 1,534 | 2024 | |
| Shidao Bay nuclear power plant 2-2 | China | Under construction | PWR | 1,534 | — |
| Shidao Bay nuclear power plant 3-1 | China | Under construction | PWR | 1,225 | 2029 |
| Shidao Bay nuclear power plant 3-2 | China | Under construction | PWR | 1,225 | 2029 |
| Shidao Bay nuclear power plant 4-3 | China | Announced | PWR | 1,250 | — |
| Shidao Bay nuclear power plant 4-4 | China | Announced | PWR | 1,250 | — |
| Shika nuclear power plant 1 | Japan | Mothballed | BWR | 540 | 1993 |
| Shika nuclear power plant 2 | Japan | Mothballed | BWR | 1,206 | 2006 |
| Shimane nuclear power plant 1 | Japan | Retired | BWR | 460 | 1974 |
| Shimane nuclear power plant 2 | Japan | BWR | 820 | 2024 | |
| Shimane nuclear power plant 3 | Japan | Under construction | BWR | 1,373 | — |
| Shin-Hanul nuclear power plant 1 | South Korea | PWR | 1,455 | 2022 | |
| Shin-Hanul nuclear power plant 2 | South Korea | PWR | 1,400 | 2023 | |
| Shin-Hanul nuclear power plant 3 | South Korea | Under construction | PWR | 1,400 | 2032 |
| Shin-Hanul nuclear power plant 4 | South Korea | Under construction | PWR | 1,400 | 2033 |
| Shin-Kori nuclear power plant 1 | South Korea | PWR | 1,048 | 2011 | |
| Shin-Kori nuclear power plant 2 | South Korea | PWR | 1,047 | 2012 | |
| Shin-Wolsong nuclear power plant 1 | South Korea | PWR | 1,048 | 2012 | |
| Shin-Wolsong nuclear power plant 2 | South Korea | PWR | 1,048 | 2015 | |
| Shin-Wolsong nuclear power plant 3 | South Korea | Cancelled (inferred) | PWR | 1,350 | — |
| Shin-Wolsong nuclear power plant 4 | South Korea | Cancelled (inferred) | PWR | 1,350 | — |
| Shippingport nuclear power plant | United States | Retired | PWR | 68 | 1958 |
| Shivta nuclear power plant 1 | Israel | Cancelled | — | 750 | — |
| Shivta nuclear power plant 2 | Israel | Cancelled | — | 750 | — |
| Shoreham nuclear power plant | United States | Retired | BWR | 849 | — |
| Siaya nuclear power plant | Kenya | Announced | — | 1,000 | 2034 |
| Siberian nuclear power plant ADE-3 | Russia | Retired | LWGR | 167 | 1961 |
| Siberian nuclear power plant ADE-4 | Russia | Retired | LWGR | 167 | 1964 |
| Siberian nuclear power plant ADE-5 | Russia | Retired | LWGR | 167 | 1965 |
| Siberian nuclear power plant EI-2 | Russia | Retired | LWGR | 50 | 1958 |
| Siberian nuclear power plant I-1 | Russia | Retired | LWGR | 50 | 1955 |
| Sinop nuclear power plant 1 | Türkiye | Announced | — | 1,150 | — |
| Sinop nuclear power plant 2 | Türkiye | Announced | — | 1,150 | — |
| Sinop nuclear power plant 3 | Türkiye | Announced | — | 1,150 | — |
| Sinop nuclear power plant 4 | Türkiye | Announced | — | 1,150 | — |
| Sinpo nuclear power plant 1 | North Korea | Cancelled | PWR | 1,000 | — |
| Sinpo nuclear power plant 2 | North Korea | Cancelled | PWR | 1,000 | — |
| Sizewell nuclear power plant A1 | United Kingdom | Retired | GCR | 245 | 1966 |
| Sizewell nuclear power plant A2 | United Kingdom | Retired | GCR | 245 | 1966 |
| Sizewell nuclear power plant B | United Kingdom | PWR | 1,250 | 1995 | |
| Sizewell nuclear power plant C1 | United Kingdom | Pre-construction | PHWR | 1,600 | — |
| Sizewell nuclear power plant C2 | United Kingdom | Pre-construction | PHWR | 1,600 | — |
| Skagit-Hanford nuclear power plant 1 | United States | Cancelled | BWR | 1,277 | — |
| Skagit-Hanford nuclear power plant 2 | United States | Cancelled | BWR | 1,277 | — |
| Smolensk nuclear power plant 1-1 | Russia | LWGR | 1,000 | 1983 | |
| Smolensk nuclear power plant 1-2 | Russia | LWGR | 1,000 | 1985 | |
| Smolensk nuclear power plant 1-3 | Russia | LWGR | 1,000 | 1990 | |
| Smolensk nuclear power plant 1-4 | Russia | Cancelled | LWGR | 1,000 | — |
| Smolensk nuclear power plant 2-1 | Russia | Pre-construction | PWR | 1,250 | 2033 |
| Smolensk nuclear power plant 2-2 | Russia | Pre-construction | PWR | 1,250 | 2033 |
| Smolensk nuclear power plant 2-3 | Russia | Cancelled (inferred) | PWR | 1,250 | — |
| Smolensk nuclear power plant 2-4 | Russia | Cancelled (inferred) | PWR | 1,250 | — |
| Somerset nuclear power plant 1 | United States | Cancelled | BWR | 1,200 | — |
| Somerset nuclear power plant 2 | United States | Cancelled | BWR | 1,200 | — |
| Songhuajiang nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,000 | — |
| Songhuajiang nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,000 | — |
| Songhuajiang nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Songhuajiang nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Songzi nuclear power plant 1 | China | Cancelled (inferred) | — | 1,000 | — |
| Songzi nuclear power plant 2 | China | Cancelled (inferred) | — | 1,000 | — |
| Songzi nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Songzi nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| South Dade nuclear power plant 1 | United States | Cancelled | PWR | 1,100 | — |
| South Dade nuclear power plant 2 | United States | Cancelled | PWR | 1,100 | — |
| South River nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| South River nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| South River nuclear power plant 3 | United States | Cancelled | PWR | 1,150 | — |
| South Texas nuclear power plant 1 | United States | PWR | 1,354 | 1988 | |
| South Texas nuclear power plant 2 | United States | PWR | 1,354 | 1989 | |
| South Texas nuclear power plant 3 | United States | Cancelled | BWR | 1,358 | — |
| South Texas nuclear power plant 4 | United States | Cancelled | BWR | 1,350 | — |
| South Ukraine nuclear power plant 1 | Ukraine | PWR | 1,000 | 1983 | |
| South Ukraine nuclear power plant 2 | Ukraine | PWR | 1,000 | 1985 | |
| South Ukraine nuclear power plant 3 | Ukraine | PWR | 1,000 | 1989 | |
| South Ukraine nuclear power plant 4 | Ukraine | Shelved (inferred) | PWR | 1,250 | — |
| South Ukraine nuclear power plant 5 | Ukraine | Shelved (inferred) | PWR | 1,250 | — |
| South Urals nuclear power plant 1 | Russia | Cancelled | FBR | 1,220 | — |
| South Urals nuclear power plant 2 | Russia | Cancelled | FBR | 1,220 | — |
| South Urals nuclear power plant 3 | Russia | Cancelled (inferred) | FBR | 1,220 | — |
| Southern Ohio Clean Energy Park nuclear power plant | United States | Cancelled | PHWR | 1,600 | — |
| Southern Ohio Diversification Initiative nuclear power plant 1 | United States | Pre-construction | FBR | 15 | 2030 |
| Southern Ohio Diversification Initiative nuclear power plant 2 | United States | Pre-construction | FBR | 15 | — |
| Sri Lanka nuclear power plant 1 | Sri Lanka | Announced | — | 150 | 2034 |
| Sri Lanka nuclear power plant 2 | Sri Lanka | Announced | — | 150 | — |
| St. Alban nuclear power plant 1 | France | PWR | 1,381 | 1986 | |
| St. Alban nuclear power plant 2 | France | PWR | 1,381 | 1987 | |
| St. Lucie nuclear power plant 1 | United States | PWR | 1,045 | 1976 | |
| St. Lucie nuclear power plant 2 | United States | PWR | 1,050 | 1983 | |
| St. Rosalie nuclear power plant 1 | United States | Cancelled | — | 1,200 | — |
| St. Rosalie nuclear power plant 2 | United States | Cancelled | — | 1,200 | — |
| Stade nuclear power plant | Germany | Retired | PWR | 672 | 1972 |
| Standard Power SMR Ohio nuclear power plant 1 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 10 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 11 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 12 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 2 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 3 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 4 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 5 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 6 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 7 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 8 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Ohio nuclear power plant 9 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 1 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 10 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 11 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 12 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 2 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 3 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 4 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 5 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 6 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 7 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 8 | United States | Shelved (inferred) | — | 77 | — |
| Standard Power SMR Pennsylvania nuclear power plant 9 | United States | Shelved (inferred) | — | 77 | — |
| Stanislaus nuclear power plant 1 | United States | Cancelled | BWR | 1,200 | — |
| Stanislaus nuclear power plant 2 | United States | Cancelled | BWR | 1,200 | — |
| Stawy Monowskie nuclear power plant 1 | Poland | Announced | — | 300 | — |
| Stawy Monowskie nuclear power plant 2 | Poland | Announced | — | 300 | — |
| Stawy Monowskie nuclear power plant 3 | Poland | Announced | — | 300 | — |
| Stawy Monowskie nuclear power plant 4 | Poland | Announced | — | 300 | — |
| Stendal nuclear power plant 1 | Germany | Cancelled | PWR | 1,000 | — |
| Stendal nuclear power plant 2 | Germany | Cancelled | PWR | 1,000 | — |
| Stendal nuclear power plant 3 | Germany | Cancelled | PWR | 1,000 | — |
| Stendal nuclear power plant 4 | Germany | Cancelled | PWR | 1,000 | — |
| Sterling nuclear power plant 1 | United States | Cancelled | PWR | 1,150 | — |
| Sumatra nuclear power plant | Indonesia | Announced | — | 250 | 2032 |
| Summit nuclear power plant 1 | United States | Cancelled | HTGR | 770 | — |
| Summit nuclear power plant 2 | United States | Cancelled | HTGR | 770 | — |
| Sundesert nuclear power plant 1 | United States | Cancelled | PWR | 974 | — |
| Sundesert nuclear power plant 2 | United States | Cancelled | PWR | 974 | — |
| Superphénix nuclear power plant | France | Retired | FBR | 1,242 | 1986 |
| Surry Green Energy Center nuclear power plant 1 | United States | Shelved (inferred) | — | 250 | — |
| Surry Green Energy Center nuclear power plant 2 | United States | Shelved (inferred) | — | 250 | — |
| Surry Green Energy Center nuclear power plant 3 | United States | Shelved (inferred) | — | 250 | — |
| Surry Green Energy Center nuclear power plant 4 | United States | Shelved (inferred) | — | 250 | — |
| Surry Green Energy Center nuclear power plant 5 | United States | Shelved (inferred) | — | 250 | — |
| Surry Green Energy Center nuclear power plant 6 | United States | Shelved (inferred) | — | 250 | — |
| Surry nuclear power plant 1 | United States | PWR | 890 | 1972 | |
| Surry nuclear power plant 2 | United States | PWR | 890 | 1973 | |
| Surry nuclear power plant 3 | United States | Cancelled | PWR | 859 | — |
| Surry nuclear power plant 4 | United States | Cancelled | PWR | 859 | — |
| Susquehanna nuclear power plant 1 | United States | BWR | 1,330 | 1983 | |
| Susquehanna nuclear power plant 2 | United States | BWR | 1,330 | 1985 | |
| THTR-300 nuclear power plant | Germany | Retired | HTGR | 308 | 1987 |
| Taechon nuclear power plant | North Korea | Cancelled | GCR | 200 | — |
| Taipingling nuclear power plant 1-1 | China | PWR | 1,200 | 2026 | |
| Taipingling nuclear power plant 1-2 | China | Under construction | PWR | 1,200 | — |
| Taipingling nuclear power plant 2-3 | China | Under construction | PWR | 1,209 | 2028 |
| Taipingling nuclear power plant 2-4 | China | Under construction | PWR | 1,150 | — |
| Taipingling nuclear power plant 3-5 | China | Announced | PWR | 1,150 | — |
| Taipingling nuclear power plant 3-6 | China | Announced | PWR | 1,150 | — |
| Taishan nuclear power plant 1-1 | China | PWR | 1,750 | 2018 | |
| Taishan nuclear power plant 1-2 | China | PWR | 1,750 | 2019 | |
| Taishan nuclear power plant 2-3 | China | Pre-construction | PWR | 1,150 | — |
| Taishan nuclear power plant 2-4 | China | Pre-construction | PWR | 1,150 | — |
| Takahama nuclear power plant 1 | Japan | PWR | 826 | 1974 | |
| Takahama nuclear power plant 2 | Japan | PWR | 826 | 1975 | |
| Takahama nuclear power plant 3 | Japan | PWR | 870 | 1985 | |
| Takahama nuclear power plant 4 | Japan | PWR | 870 | 1985 | |
| Tana River nuclear power plant 1 | Kenya | Pre-construction | — | 1,000 | 2034 |
| Tana River nuclear power plant 2 | Kenya | Pre-construction | — | 1,000 | 2035 |
| Tana River nuclear power plant 3 | Kenya | Pre-construction | — | 1,000 | 2035 |
| Tana River nuclear power plant 4 | Kenya | Pre-construction | — | 1,000 | 2035 |
| Taohuajiang nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Taohuajiang nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Taohuajiang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Taohuajiang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Tarapur nuclear power plant 1 | India | BWR | 160 | 1969 | |
| Tarapur nuclear power plant 2 | India | Mothballed | BWR | 160 | 1969 |
| Tarapur nuclear power plant 3 | India | PHWR | 540 | 2006 | |
| Tarapur nuclear power plant 4 | India | PHWR | 540 | 2005 | |
| Tarapur nuclear power plant 5 | India | Announced | — | 200 | — |
| Tarapur nuclear power plant 6 | India | Announced | — | 55 | — |
| Tarnobrzeg Special Economic Zone nuclear power plant 1 | Poland | Announced | — | 300 | — |
| Tarnobrzeg Special Economic Zone nuclear power plant 2 | Poland | Announced | — | 300 | — |
| Tarnobrzeg Special Economic Zone nuclear power plant 3 | Poland | Announced | — | 300 | — |
| Tarnobrzeg Special Economic Zone nuclear power plant 4 | Poland | Announced | — | 300 | — |
| Tatar nuclear power plant 1 | Russia | Cancelled (inferred) | PWR | 1,250 | — |
| Tatar nuclear power plant 2 | Russia | Cancelled (inferred) | PWR | 1,255 | — |
| Tatar nuclear power plant Original 1 | Russia | Cancelled | PWR | 950 | — |
| Tatar nuclear power plant Original 2 | Russia | Cancelled | PWR | 950 | — |
| Temelin nuclear power plant 1 | Czech Republic | PWR | 1,082 | 2002 | |
| Temelin nuclear power plant 2 | Czech Republic | PWR | 1,082 | 2003 | |
| Temelin nuclear power plant 3 | Czech Republic | Announced | PWR | 1,200 | — |
| Temelin nuclear power plant 4 | Czech Republic | Announced | PWR | 1,200 | — |
| Temelin nuclear power plant Original 3 | Czech Republic | Cancelled | PWR | 1,000 | — |
| Temelin nuclear power plant Original 4 | Czech Republic | Cancelled | PWR | 1,000 | — |
| Temelin nuclear power plant SMR | Czech Republic | Announced | — | 300 | 2035 |
| Texas A&M University IMSR nuclear power plant 1 | United States | Announced | — | 195 | 2029 |
| Texas A&M University IMSR nuclear power plant 2 | United States | Announced | — | 195 | 2029 |
| Three Mile Island nuclear power plant 1 | United States | Retired | PWR | 880 | 1974 |
| Three Mile Island nuclear power plant 2 | United States | Retired | PWR | 959 | 1978 |
| Three Mile Island nuclear power plant Unit 1 Repower | United States | Pre-construction | PWR | 880 | 2027 |
| Tianwan nuclear power plant 1-1 | China | PWR | 1,060 | 2007 | |
| Tianwan nuclear power plant 1-2 | China | PWR | 1,060 | 2007 | |
| Tianwan nuclear power plant 2-3 | China | PWR | 1,126 | 2018 | |
| Tianwan nuclear power plant 2-4 | China | PWR | 1,126 | 2018 | |
| Tianwan nuclear power plant 3-5 | China | PWR | 1,118 | 2020 | |
| Tianwan nuclear power plant 3-6 | China | PWR | 1,118 | 2021 | |
| Tianwan nuclear power plant 4-7 | China | Under construction | PWR | 1,265 | 2026 |
| Tianwan nuclear power plant 4-8 | China | Under construction | PWR | 1,265 | 2027 |
| Tihange nuclear power plant 1 | Belgium | Retired | PWR | 1,009 | 1975 |
| Tihange nuclear power plant 2 | Belgium | Retired | PWR | 1,055 | 1983 |
| Tihange nuclear power plant 3 | Belgium | PWR | 1,089 | 1985 | |
| Tokai nuclear power plant 1 | Japan | Retired | GCR | 166 | 1966 |
| Tokai nuclear power plant 2 | Japan | Under construction | BWR | 1,100 | 2026 |
| Tomari nuclear power plant 1 | Japan | Mothballed | PWR | 579 | 1989 |
| Tomari nuclear power plant 2 | Japan | Mothballed | PWR | 579 | 1991 |
| Tomari nuclear power plant 3 | Japan | Under construction | PWR | 912 | 2027 |
| Tongren nuclear power plant 1 | China | Cancelled (inferred) | — | 1,250 | — |
| Tongren nuclear power plant 2 | China | Cancelled (inferred) | — | 1,250 | — |
| Torness nuclear power plant 1 | United Kingdom | GCR | 682 | 1988 | |
| Torness nuclear power plant 2 | United Kingdom | GCR | 682 | 1989 | |
| Trawsfynydd nuclear power plant 1 | United Kingdom | Retired | GCR | 235 | 1965 |
| Trawsfynydd nuclear power plant 2 | United Kingdom | Retired | GCR | 235 | 1965 |
| Tricastin nuclear power plant 1 | France | PWR | 955 | 1980 | |
| Tricastin nuclear power plant 2 | France | PWR | 955 | 1980 | |
| Tricastin nuclear power plant 3 | France | PWR | 955 | 1981 | |
| Tricastin nuclear power plant 4 | France | PWR | 955 | 1981 | |
| Trillo nuclear power plant 1 | Spain | PWR | 1,066 | 1988 | |
| Trillo nuclear power plant 2 | Spain | Cancelled | PWR | 1,000 | — |
| Trojan nuclear power plant | United States | Retired | PWR | 1,155 | 1976 |
| Tsuruga nuclear power plant 1 | Japan | Retired | BWR | 357 | 1970 |
| Tsuruga nuclear power plant 2 | Japan | Mothballed | PWR | 1,160 | 1987 |
| Tsuruga nuclear power plant 3 | Japan | Shelved | PWR | 1,538 | — |
| Tsuruga nuclear power plant 4 | Japan | Shelved | PWR | 1,538 | — |
| Turkey Point nuclear power station 3 | United States | PWR | 829 | 1972 | |
| Turkey Point nuclear power station 4 | United States | PWR | 829 | 1973 | |
| Turkey Point nuclear power station 6 | United States | Pre-construction | PWR | 1,250 | 2036 |
| Turkey Point nuclear power station 7 | United States | Pre-construction | PWR | 1,250 | 2036 |
| Tušimice nuclear power plant | Czech Republic | Announced | — | 300 | 2038 |
| Tver nuclear power plant 1 | Russia | Cancelled | PWR | 1,200 | — |
| Tver nuclear power plant 2 | Russia | Cancelled | PWR | 1,200 | — |
| Tver nuclear power plant 3 | Russia | Cancelled | PWR | 1,200 | — |
| Tver nuclear power plant 4 | Russia | Cancelled | PWR | 1,200 | — |
| Tyrone nuclear power plant 1 | United States | Cancelled | PWR | 1,100 | — |
| Tyrone nuclear power plant 2 | United States | Cancelled | PWR | 1,150 | — |
| Ulken nuclear power plant 1 | Kazakhstan | Pre-construction | PWR | 1,200 | 2035 |
| Ulken nuclear power plant 2 | Kazakhstan | Announced | PWR | 1,200 | 2035 |
| Unterweser nuclear power plant | Germany | Retired | PWR | 1,410 | 1979 |
| Ust-Kuyga nuclear power plant 1 | Russia | Pre-construction | PWR | 55 | 2028 |
| Ust-Kuyga nuclear power plant 2 | Russia | Announced | PWR | 55 | — |
| Valdecaballeros nuclear power plant 1 | Spain | Cancelled | BWR | 975 | — |
| Valdecaballeros nuclear power plant 2 | Spain | Cancelled | BWR | 975 | — |
| Vallecitos nuclear power plant | United States | Retired | BWR | 24 | 1957 |
| Vandalia nuclear power plant 1 | United States | Cancelled | PWR | 1,270 | — |
| Vandellos nuclear power plant 1 | Spain | Retired | GCR | 500 | 1972 |
| Vandellos nuclear power plant 2 | Spain | PWR | 1,087 | 1988 | |
| Vermont Yankee nuclear power plant | United States | Retired | BWR | 635 | 1972 |
| Verplanck nuclear power plant 1 | United States | Cancelled | BWR | 1,115 | — |
| Verplanck nuclear power plant 2 | United States | Cancelled | BWR | 1,115 | — |
| Victoria County nuclear power plant 1 | United States | Cancelled | BWR | 1,535 | — |
| Victoria County nuclear power plant 2 | United States | Cancelled | BWR | 1,535 | — |
| Vidal nuclear power plant 1 | United States | Cancelled | HTGR | 770 | — |
| Vidal nuclear power plant 2 | United States | Cancelled | HTGR | 770 | — |
| Virgil C Summer nuclear power plant 1 | United States | PWR | 1,006 | 1984 | |
| Virgil C Summer nuclear power plant 2 | United States | Mothballed | PWR | 1,117 | — |
| Virgil C Summer nuclear power plant 3 | United States | Mothballed | PWR | 1,117 | — |
| Visaginas nuclear power plant 1 | Lithuania | Cancelled | BWR | 1,350 | — |
| Visaginas nuclear power plant 2 | Lithuania | Cancelled | BWR | 1,350 | — |
| Värö Peninsula nuclear power plant 1 | Sweden | Announced | — | 470 | — |
| Värö Peninsula nuclear power plant 2 | Sweden | Announced | — | 470 | — |
| Värö Peninsula nuclear power plant 3 | Sweden | Announced | — | 470 | — |
| Washington Nuclear Project nuclear power plant 1 | United States | Cancelled | PWR | 1,266 | — |
| Washington Nuclear Project nuclear power plant 4 | United States | Cancelled | PWR | 1,218 | — |
| Waterford nuclear power plant 3 | United States | PWR | 1,250 | 1985 | |
| Watts Bar nuclear power plant 1 | United States | PWR | 1,210 | 1996 | |
| Watts Bar nuclear power plant 2 | United States | PWR | 1,218 | 2016 | |
| Wesleyville nuclear power plant 1 | Canada | Announced | — | 1,000 | 2040 |
| Wesleyville nuclear power plant 10 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 2 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 3 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 4 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 5 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 6 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 7 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 8 | Canada | Announced | — | 1,000 | — |
| Wesleyville nuclear power plant 9 | Canada | Announced | — | 1,000 | — |
| West Kalimantan Floating SMR nuclear power plant 1 | Indonesia | Announced | — | 110 | 2030 |
| West Kalimantan Floating SMR nuclear power plant 2 | Indonesia | Announced | — | 110 | 2030 |
| West Kalimantan Land Based SMR nuclear power plant 1 | Indonesia | Announced | — | 300 | 2032 |
| West Kalimantan Land Based SMR nuclear power plant 2 | Indonesia | Announced | — | 300 | — |
| West Kalimantan Land Based SMR nuclear power plant 3 | Indonesia | Announced | — | 300 | — |
| Whitemud nuclear power plant 1 | Canada | Cancelled | PHWR | 1,100 | — |
| Whitemud nuclear power plant 2 | Canada | Cancelled | PHWR | 1,100 | — |
| William States Lee III nuclear power plant 1 | United States | Cancelled | PWR | 1,117 | — |
| William States Lee III nuclear power plant 2 | United States | Cancelled | PWR | 1,117 | — |
| Windscale AGR nuclear power plant | United Kingdom | Retired | GCR | 36 | 1963 |
| Winfrith SGHWR nuclear power plant | United Kingdom | Retired | PHWR | 100 | 1968 |
| Wolf Creek nuclear power plant | United States | PWR | 1,285 | 1985 | |
| Wolsong nuclear power plant 1 | South Korea | Retired | PHWR | 683 | 1983 |
| Wolsong nuclear power plant 2 | South Korea | PHWR | 599 | 1997 | |
| Wolsong nuclear power plant 3 | South Korea | PHWR | 624 | 1998 | |
| Wolsong nuclear power plant 4 | South Korea | PHWR | 589 | 1999 | |
| Wuergassen nuclear power plant | Germany | Retired | BWR | 670 | 1975 |
| Wylfa Newydd nuclear power plant 1 | United Kingdom | Cancelled | BWR | 1,380 | — |
| Wylfa Newydd nuclear power plant 2 | United Kingdom | Cancelled | BWR | 1,380 | — |
| Wylfa NuScale SMR nuclear power plant 1 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 10 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 11 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 12 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 2 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 3 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 4 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 5 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 6 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 7 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 8 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa NuScale SMR nuclear power plant 9 | United Kingdom | Cancelled (inferred) | — | 77 | — |
| Wylfa Rolls Royce SMR nuclear power plant 1 | United Kingdom | Pre-construction | — | 470 | 2035 |
| Wylfa Rolls Royce SMR nuclear power plant 2 | United Kingdom | Pre-construction | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 3 | United Kingdom | Pre-construction | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 4 | United Kingdom | Announced | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 5 | United Kingdom | Announced | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 6 | United Kingdom | Announced | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 7 | United Kingdom | Announced | — | 470 | — |
| Wylfa Rolls Royce SMR nuclear power plant 8 | United Kingdom | Announced | — | 470 | — |
| Wylfa nuclear power plant 1 | United Kingdom | Retired | GCR | 530 | 1971 |
| Wylfa nuclear power plant 2 | United Kingdom | Retired | GCR | 540 | 1972 |
| Włocławek nuclear power plant 1 | Poland | Pre-construction | — | 300 | — |
| Włocławek nuclear power plant 2 | Poland | Pre-construction | — | 300 | — |
| Włocławek nuclear power plant 3 | Poland | Pre-construction | — | 300 | — |
| Włocławek nuclear power plant 4 | Poland | Pre-construction | — | 300 | — |
| Xiajiang nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiajiang nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiajiang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiajiang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiangtan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiangtan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiangtan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiangtan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiangzhou nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,000 | — |
| Xiangzhou nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,000 | — |
| Xianning Dafan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xianning Dafan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xianning Dafan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xianning Dafan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 5 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiaomoshan nuclear power plant 6 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xiapu nuclear power plant 1-1 | China | Pre-construction | PWR | 1,150 | — |
| Xiapu nuclear power plant 1-2 | China | Pre-construction | PWR | 1,150 | — |
| Xiapu nuclear power plant 3 | China | Announced | PWR | 1,150 | — |
| Xiapu nuclear power plant 4 | China | Announced | PWR | 1,150 | — |
| Xiapu nuclear power plant HTR | China | Announced | HTGR | 600 | — |
| Xin'an nuclear power plant 1-1 | China | Announced | HTGR | 600 | — |
| Xin'an nuclear power plant 1-2 | China | Announced | HTGR | 600 | — |
| Xinyang nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,000 | — |
| Xinyang nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,000 | — |
| Xinyang nuclear power plant 2-3 | China | Cancelled (inferred) | — | 1,000 | — |
| Xinyang nuclear power plant 2-4 | China | Cancelled (inferred) | — | 1,000 | — |
| Xishui nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xishui nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xishui nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xishui nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Xuancheng nuclear power plant 1 | China | Cancelled (inferred) | — | 1,000 | — |
| Xuancheng nuclear power plant 2 | China | Cancelled (inferred) | — | 1,000 | — |
| Xuancheng nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Xuancheng nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Xudapu nuclear power plant 1-1 | China | Under construction | PWR | 1,290 | 2028 |
| Xudapu nuclear power plant 1-2 | China | Under construction | PWR | 1,290 | 2029 |
| Xudapu nuclear power plant 2-3 | China | Under construction | PWR | 1,274 | 2027 |
| Xudapu nuclear power plant 2-4 | China | Under construction | PWR | 1,274 | 2028 |
| Xudapu nuclear power plant 3-5 | China | Announced | PWR | 1,250 | — |
| Xudapu nuclear power plant 3-6 | China | Announced | PWR | 1,250 | — |
| Yangjiang nuclear power plant 1 | China | PWR | 1,086 | 2014 | |
| Yangjiang nuclear power plant 2 | China | PWR | 1,086 | 2015 | |
| Yangjiang nuclear power plant 3 | China | PWR | 1,086 | 2016 | |
| Yangjiang nuclear power plant 4 | China | PWR | 1,086 | 2017 | |
| Yangjiang nuclear power plant 5 | China | PWR | 1,086 | 2018 | |
| Yangjiang nuclear power plant 6 | China | PWR | 1,086 | 2019 | |
| Yangxi nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,000 | — |
| Yangxi nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,000 | — |
| Yangxi nuclear power plant 3 | China | Cancelled (inferred) | — | 1,000 | — |
| Yangxi nuclear power plant 4 | China | Cancelled (inferred) | — | 1,000 | — |
| Yangxi nuclear power plant 5 | China | Cancelled (inferred) | — | 1,000 | — |
| Yangxi nuclear power plant 6 | China | Cancelled (inferred) | — | 1,000 | — |
| Yanjiashan nuclear power plant 1-1 | China | Cancelled (inferred) | — | 1,250 | — |
| Yanjiashan nuclear power plant 1-2 | China | Cancelled (inferred) | — | 1,250 | — |
| Yankee Rowe nuclear power plant | United States | Retired | PWR | 180 | 1961 |
| Yellow Creek nuclear power plant 1 | United States | Cancelled | PWR | 1,285 | — |
| Yellow Creek nuclear power plant 2 | United States | Cancelled | PWR | 1,285 | — |
| Yeongdeok nuclear power plant 1 | South Korea | Cancelled | PWR | 1,500 | — |
| Yeongdeok nuclear power plant 2 | South Korea | Cancelled | PWR | 1,500 | — |
| Yibin Beijiang nuclear power plant 1 | China | Cancelled (inferred) | PHWR | 1,250 | — |
| Yibin Beijiang nuclear power plant 2 | China | Cancelled (inferred) | PHWR | 1,250 | — |
| Yingtan nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Yingtan nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Yingtan nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Yingtan nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Zaporizhzhia nuclear power plant 1 | Ukraine | PWR | 1,000 | 1985 | |
| Zaporizhzhia nuclear power plant 2 | Ukraine | PWR | 1,000 | 1986 | |
| Zaporizhzhia nuclear power plant 3 | Ukraine | PWR | 1,000 | 1987 | |
| Zaporizhzhia nuclear power plant 4 | Ukraine | PWR | 1,000 | 1988 | |
| Zaporizhzhia nuclear power plant 5 | Ukraine | PWR | 1,000 | 1989 | |
| Zaporizhzhia nuclear power plant 6 | Ukraine | PWR | 1,000 | 1996 | |
| Zarnowiec Original nuclear power plant 1 | Poland | Cancelled | PWR | 465 | — |
| Zarnowiec Original nuclear power plant 2 | Poland | Cancelled | PWR | 465 | — |
| Zarnowiec Original nuclear power plant 3 | Poland | Cancelled | PWR | 465 | — |
| Zarnowiec Original nuclear power plant 4 | Poland | Cancelled | PWR | 465 | — |
| Zarnowiec nuclear power plant 1 | Poland | Shelved | PWR | 1,250 | — |
| Zarnowiec nuclear power plant 2 | Poland | Shelved | PWR | 1,250 | — |
| Zarnowiec nuclear power plant 3 | Poland | Shelved | PWR | 1,250 | — |
| Zhangzhou nuclear power plant 1-1 | China | PWR | 1,212 | 2025 | |
| Zhangzhou nuclear power plant 1-2 | China | PWR | 1,212 | 2026 | |
| Zhangzhou nuclear power plant 2-3 | China | Under construction | PWR | 1,214 | 2028 |
| Zhangzhou nuclear power plant 2-4 | China | Under construction | PWR | 1,214 | 2029 |
| Zhangzhou nuclear power plant 3-5 | China | Announced | PWR | 1,150 | — |
| Zhangzhou nuclear power plant 3-6 | China | Announced | PWR | 1,150 | — |
| Zhaoqing nuclear power plant 1 | China | Cancelled (inferred) | — | 1,750 | — |
| Zhaoqing nuclear power plant 2 | China | Cancelled (inferred) | — | 1,750 | — |
| Zhaoqing nuclear power plant 3 | China | Cancelled (inferred) | — | 1,750 | — |
| Zhaoqing nuclear power plant 4 | China | Cancelled (inferred) | — | 1,750 | — |
| Zhaoyuan nuclear power plant 1-1 | China | Under construction | PWR | 1,214 | — |
| Zhaoyuan nuclear power plant 1-2 | China | Pre-construction | PWR | 1,150 | — |
| Zhaoyuan nuclear power plant 2-3 | China | Announced | PWR | 1,150 | — |
| Zhaoyuan nuclear power plant 2-4 | China | Announced | PWR | 1,150 | — |
| Zhaoyuan nuclear power plant 3-5 | China | Announced | PWR | 1,150 | — |
| Zhaoyuan nuclear power plant 3-6 | China | Announced | PWR | 1,150 | — |
| Zhong County nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Zhong County nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Zhong County nuclear power plant 2-1 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Zhong County nuclear power plant 2-2 | China | Cancelled (inferred) | PWR | 1,000 | — |
| Zhongxiang nuclear power plant 1-1 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Zhongxiang nuclear power plant 1-2 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Zhongxiang nuclear power plant 3 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Zhongxiang nuclear power plant 4 | China | Cancelled (inferred) | PWR | 1,250 | — |
| Zhuanghe nuclear power plant 1-1 | China | Announced | PWR | 1,150 | — |
| Zhuanghe nuclear power plant 1-2 | China | Announced | PWR | 1,150 | — |
| Zhuanghe nuclear power plant 3 | China | Announced | PWR | 1,150 | — |
| Zhuanghe nuclear power plant 4 | China | Announced | PWR | 1,150 | — |
| Zhuanghe nuclear power plant 5 | China | Announced | PWR | 1,150 | — |
| Zhuanghe nuclear power plant 6 | China | Announced | PWR | 1,150 | — |
| Zimmer nuclear power plant 1 | United States | Cancelled | BWR | 810 | — |
| Zimmer nuclear power plant 2 | United States | Cancelled | BWR | 1,170 | — |
| Zion nuclear power plant 1 | United States | Retired | PWR | 1,085 | 1973 |
| Zion nuclear power plant 2 | United States | Retired | PWR | 1,085 | 1974 |
| Zwentendorf nuclear power plant 1 | Austria | Cancelled | BWR | 723 | — |
| İğneada nuclear power plant 1 | Türkiye | Announced | PWR | 1,250 | — |
| İğneada nuclear power plant 2 | Türkiye | Announced | PWR | 1,250 | — |
| İğneada nuclear power plant 3 | Türkiye | Announced | PWR | 1,400 | — |
| İğneada nuclear power plant 4 | Türkiye | Announced | PWR | 1,400 | — |
Sources
- Global Nuclear Power Tracker, Global Energy Monitor, August 2026 release — CC BY 4.0 · retrieved 2026-09-06