Timeline · 1997

The world's nuclear fleet in 1997

In 1997, 453 nuclear reactors were operating in 36 countries, 360.3 GWe net, with 39 under construction.

The operating fleet was the same size as in 1996. 3 reactors were connected to the grid that year, 3,566 MWe: Chooz B-2 (France), Civaux 1 (France) and Wolsong 2 (South Korea). 3 units were permanently shut down, 982 MWe. The countries with the most operating capacity were United States (106,531 MWe), France (58,518 MWe) and Japan (43,624 MWe).

Connected to the grid in 1997

UnitCountryTypeModelMWe
Chooz B-2France FrancePWRN4 REP 14501,500
Civaux 1France FrancePWRN4 REP 14501,495
Wolsong 2South Korea South KoreaPHWRCANDU-6571

Shut down in 1997

UnitCountryTypeModelMWeGrid connection
DodewaardNetherlands NetherlandsBWRBWR-2551968
Big Rock PointUnited States United StatesBWRBWR-1671962
Maine YankeeUnited States United StatesPWRCE (DRY)8601972

Countries by operating capacity in 1997

#CountryReactorsMWeUnder construction
1United States United States112106,5311
2France France5758,5184
3Japan Japan5443,624
4Germany Germany1921,476
5Russia Russia3520,4494
6Canada Canada2215,4091
7United Kingdom United Kingdom3512,345
8Ukraine Ukraine1412,1324
9Sweden Sweden1211,052
10South Korea South Korea1210,2166
11Spain Spain97,710
12Belgium Belgium75,922
13Taiwan Taiwan65,052
14Bulgaria Bulgaria63,638
15Switzerland Switzerland53,346
16Finland Finland42,794
17Lithuania Lithuania22,370
18China China32,2564
19Hungary Hungary41,916
20Czech Republic Czech Republic41,9072
21South Africa South Africa21,854
22India India101,8394
23Slovakia Slovakia41,7484
24Mexico Mexico21,552
25Argentina Argentina29481
26Slovenia Slovenia1696
27Romania Romania16501
28Philippines Philippines1621
29Brazil Brazil16091
30Netherlands Netherlands1482
31Armenia Armenia1416
32Pakistan Pakistan1901
33Kazakhstan Kazakhstan152
34 Puerto Rico118
35 Panama110
36North Korea North Korea15
37Iran Iran001

Data: Global Energy Monitor (CC BY 4.0), IAEA PRIS 2025, Wikipedia (CC BY-SA), Wikidata and Wikimedia Commons. Capacities in net MWe unless stated.

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