STATUS REPORT | STATISTICS Reactor summary: 2023
THESE TABLES LIST THE NUMBER of commercial power reactors that are operable, under construction, planned and under decommissioning, as of 31st December 2023. Japanese units in long-term shutdown are counted as operable. Table 3 includes one column of planned reactors: this does not include longer-term, more speculative projects, but it does include projects where contracts have been signed to those included in national plans or other official statements. ■
Table 1: Commercial power reactors under construction by country and reactor type in 2023
PWR Argentina
Bangladesh Brazil China* Egypt France India Iran
Japan
Korea, South Russia
Slovakia Turkiye UK
Ukraine
United Arab Emirates 11310 USA
1 1117 Total 29 32628 21 22168 2 2653 3 1890 4 2054 *Other reactor types excluded. China excludes one 210MWe HTR 2 2680
2 2400 1 440 44456
2 3260 22070 1 300 VVER BWR PHWR FBR
Units MWe Units MWe Units MWe Units MWe Units MWe 125
2 2160 11340
20 21264 2 2400 3 3600
11650
4 3668 1974
22653 3 1890 1 470 2 1284
Table 2: Operable commercial power reactors by country and reactor type in 2023 PWR
VVER
Argentina Armenia
Belarus, Republic of Belgium Brazil
Bulgaria Canada China*
Czech Republic Finland France
Hungary India Iran
Japan
Korea, South Mexico
Netherlands Pakistan Romania Russia* Slovakia Slovenia
South Africa Spain
Sweden
Switzerland Taiwan UK*
Ukraine
United Arab Emirates 34011 USA
Total 62 63126
12 11046 23 24081
21552
1482 6 3262
2 1300
24 18914 2 2308
1 688 2 1854 6 6059 22211
3 1740 1 1233 1938 1 1198
15 13107 31 32709 179 237091 66 53967 40 41838 46 24084 *Indicates country has reactors of other types. China 1 HTGR 150 MW;
100 90 80 70 60 50 40 30 20 10 0
1 1064 4
4733 2 1380 BWR PHWR FBR HTGR
Units MWe Units MWe Units MWe Units MWe Units MWe Units MWe 3 1641
1416 2 2220
5 3908 2 1884
2 2006
48 47633 4 4120 63934
1 1600 2 1014 2 1780 56 61370
41916 2 1864 1915
17 4421 3 1744
19 13624 2 1354
1 150
Height of bars correspond to % of total electricity, width to TWh generated. Source: World Nuclear Association and IAEA Power Reactor Information System
6 | World Nuclear Industry Handbook 2024 |
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Percentage share of nuclear electricity generated in 2023
France
65% (282.1 TWh)
Slovakia Sweden
Hungary Bulgaria
Belgium Slovenia
Czech Republic Armenia Finland
Switzerland Sweden 29% (15.0 TWh) 49% (15.0 TWh) 41% (15.8 TWh) 41% (41.7 TWh) 37% (5.4 TWh) 40% (29.3 TWh) 31% (1.8 TWh) 42% (24.2 TWh) 32% (23.2 TWh) 29.5% (50.0 TWh)
61% (14.8 TWh)
Korea
32% (167.5 TWh)
Spain
20% (56.2 TWh)
Russia
18% (209.5 TWh)
Romania
19% (10.4 TWh)
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