STATUS REPORT | STATISTICS Reactor summary: 2024
THESE TABLES LIST THE NUMBER of commercial power reactors that are operable, under construction, planned and under decommissioning, as of 1st January 2025. 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 2024
PWR Argentina
Bangladesh Brazil China* Egypt France India Iran
Japan
Korea, South Pakistan Russia
Slovakia Turkiye UK
Ukraine Total
2 2680 1 1117
3 3550 1 440 44456
2 3260 22070 30 33684 25 26752 2 2653 2 1260 4 2054 *Other reactor types excluded. China excludes one 210 MWe HTR 1 300 VVER BWR PHWR FBR
Units MWe Units MWe Units MWe Units MWe Units MWe 125
2 2160 11340
22 23,612 4 4634 4 4800
11650
4 3668 1974
22653 2 1260 1 470 2 1284
Table 2: Operable commercial power reactors by country and reactor type in 2024 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 45348 USA
Total 63 64243
12 11046 23 24081
21552
1482 6 3262
2 1300
28 18914 2 2308
1 688 2 1854 6 6059 22211
3 1740 1 1233 1938 1 1198
15 13107 31 32709 241 243513 70 53967 40 41838 45 23684 2 1380 1 150 *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
51 51169 4 4120 63934
1 1600 2 1014 2 1780 57 63000
41916 2 1864 1915
18 5051 3 1744
17 12594 2 1354
1 150
Height of bars correspond to % of total electricity, width to TWh generated. Source: IAEA
6 | World Nuclear Industry Handbook 2026 |
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Percentage share of nuclear electricity generated in 2024
France
67.0% (361.7 TWh)
Slovakia
Hungary Bulgaria
Belgium Slovenia
Czech Republic Armenia Finland
Switzerland Sweden
61.0% (18.4 TWh) 47.0% (15.2 TWh) 42.0% (15.8 TWh) 42.0% (30.7 TWh) 35.0% (5.6 TWh) 40.4% (29.7 TWh) 31.0% (2.6 TWh) 39.0% (31.1 TWh) 27.0% (23.0 TWh) 29.0% (49.4 TWh)
Korea, REP. OF
32.0% (188.8 TWh)
Spain
20.0% (52.1 TWh)
Russia
18.0% (215.6 TWh)
Romania
20.0% (10.0 TWh)
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