Timeline · 1986

The world's nuclear fleet in 1986

In 1986, 388 nuclear reactors were operating in 34 countries, 270.4 GWe net, with 110 under construction.

Compared with 1985, the operating fleet grew by 26 reactors. 27 reactors were connected to the grid that year, 27,761 MWe, mostly in United States (7), France (6) and Canada (2). 2 units were permanently shut down, 1,546 MWe. The countries with the most operating capacity were United States (89,623 MWe), France (40,383 MWe) and Japan (23,613 MWe).

That year: Chernobyl. Explosion of reactor 4, RBMK, Ukraine.

Connected to the grid in 1986

UnitCountryTypeModelMWe
Bruce B7Canada CanadaPHWRCANDU 750B817
Pickering B8Canada CanadaPHWRCANDU 500B516
Dukovany 2Czech Republic Czech RepublicPWRVVER-440/V-213482
Dukovany 3Czech Republic Czech RepublicPWRVVER-440/V-213475
Cattenom 1France FrancePWRP4 REP 13001,300
Chinon B-3France FrancePWRCP2905
Flamanville 2France FrancePWRP4 REP 13001,330
Paluel 4France FrancePWRP4 REP 13001,330
St. Alban 2France FrancePWRP4 REP 13001,335
SuperphénixFrance FranceFBRNa-12001,200
BrokdorfGermany GermanyPWRKWU1,410
Muelheim-KaerlichGermany GermanyPWRB & W1,219
Paks 3Hungary HungaryPWRVVER-440/V-213479
Fukushima Daini 4Japan JapanBWRBWR-51,067
Tsuruga 2Japan JapanPWRMitsubishi (4-loop)1,108
Kalinin 2Russia RussiaPWRVVER-1000/V-338950
Hanbit 1South Korea South KoreaPWRWH F965
Hanbit 2South Korea South KoreaPWRWH F952
Rivne 3Ukraine UkrainePWRVVER V-320950
Zaporizhzhia 3Ukraine UkrainePWRVVER V-320950
Catawba 2United States United StatesPWRWH 4-loop (ICECOND)1,150
Fermi 2United States United StatesBWRBWR-4 (Mark 1)1,115
Hope Creek 1United States United StatesBWRBWR-4 (Mark 1)1,172
Millstone 3United States United StatesPWRWH 4-Loop (DRY)1,210
Palo Verde 2United States United StatesPWRCE80 2-loop (DRY)1,314
Perry 1United States United StatesBWRBWR-6 (Mark 3)1,240
ShorehamUnited States United StatesBWRGE820

Shut down in 1986

UnitCountryTypeModelMWeGrid connection
Bataan 1Philippines PhilippinesPWRWestinghouse6211983
Chernobyl 4Ukraine UkraineLWGRRBMK-10009251983

Countries by operating capacity in 1986

#CountryReactorsMWeUnder construction
1United States United States10389,62320
2France France4640,38318
3Japan Japan3323,6139
4Germany Germany2419,7856
5Russia Russia3316,4039
6Canada Canada1811,1026
7Sweden Sweden1211,052
8United Kingdom United Kingdom337,2099
9Ukraine Ukraine97,14710
10Spain Spain86,1402
11Belgium Belgium85,932
12Taiwan Taiwan65,052
13South Korea South Korea64,8393
14Switzerland Switzerland53,346
15Finland Finland42,794
16South Africa South Africa21,854
17Slovakia Slovakia41,7482
18Bulgaria Bulgaria41,6322
19Hungary Hungary31,4371
20Czech Republic Czech Republic31,4361
21Italy Italy31,273
22Lithuania Lithuania11,1851
23India India61,0313
24Argentina Argentina29481
25Armenia Armenia2792
26Slovenia Slovenia1696
27Philippines Philippines1621
28Brazil Brazil16091
29Netherlands Netherlands2537
30Pakistan Pakistan190
31Kazakhstan Kazakhstan152
32 Puerto Rico118
33 Panama110
34North Korea North Korea15
35China China001
36Iran Iran001
37Mexico Mexico002
38Romania Romania002

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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