Timeline · 1984

The world's nuclear fleet in 1984

In 1984, 314 nuclear reactors were operating in 27 countries, 202.2 GWe net, with 161 under construction. 6 of those units are not included in the net capacity because no net figure has been published for them.

Compared with 1983, the operating fleet grew by 25 reactors. 33 reactors were connected to the grid that year, 32,391 MWe, mostly in France (6), United States (6) and Germany (4). 4 units were permanently shut down, 495 MWe. South Africa connected its first nuclear reactor in 1984. The countries with the most operating capacity were United States (70,911 MWe), France (27,750 MWe) and Japan (18,973 MWe).

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Connected to the grid in 1984

UnitCountryTypeModelMWe
Bruce B5Canada CanadaPHWRCANDU 750B817
Bruce B6Canada CanadaPHWRCANDU 750B817
Pickering B7Canada CanadaPHWRCANDU 500B516
Cruas 2France FrancePWRCP2915
Cruas 3France FrancePWRCP2915
Cruas 4France FrancePWRCP2915
Gravelines 5France FrancePWRFramatome CP1 (CP1)910
Paluel 1France FrancePWRP4 REP 13001,330
Paluel 2France FrancePWRP4 REP 13001,330
GrohndeGermany GermanyPWRSiemens-KWU (KWU)1,360
Gundremmingen BGermany GermanyBWRKWU BWR, '72 design line (BWR-72)1,284
Gundremmingen CGermany GermanyBWRKWU BWR, '72 design line (BWR-72)1,288
Philippsburg 2Germany GermanyPWRSiemens-KWU (KWU)1,402
Paks 2Hungary HungaryPWRVVER-440 (V-213)479
Fukushima Daini 3Japan JapanBWRBWR-51,067
Takahama 3Japan JapanPWRMitsubishi 3-loop (M 3LP)830
Takahama 4Japan JapanPWRMitsubishi 3-loop (M 3LP)830
Kalinin 1Russia RussiaPWRVVER-1000 (V-338)950
Kola 1-4Russia RussiaPWRVVER-440 (V-213)411
Bohunice 3Slovakia SlovakiaPWRVVER-440 (V-213)466
Koeberg 1South Africa South AfricaPWRFramatome CP1 (CP1)924
CofrentesSpain SpainBWRBWR-6 (Mark 3)1,064
LeibstadtSwitzerland SwitzerlandBWRBWR-61,233
Maanshan 1Taiwan TaiwanPWRWestinghouse 3-loop (WH 3LP)936
Zaporizhzhia 1Ukraine UkrainePWRVVER-1000 (V-320)950
Hartlepool A2United Kingdom United KingdomGCRAGR595
Heysham A2United Kingdom United KingdomGCRAGR575
Callaway 1United States United StatesPWRWestinghouse 4-loop (WH 4LP)1,215
Columbia 1United States United StatesBWRBWR-5 (Mark 2)1,131
Diablo Canyon 1United States United StatesPWRWestinghouse 4-loop (WH 4LP)1,138
Grand Gulf 1United States United StatesBWRBWR-6 (Mark 3)1,401
LaSalle 2United States United StatesBWRBWR-5 (Mark 2)1,140
Susquehanna 2United States United StatesBWRGE BWR/4, Mark II containment (BWR-4 (Mark 2))1,257

Shut down in 1984

UnitCountryTypeModelMWeGrid connection
Douglas Point (AECL)Canada CanadaPHWRCANDU 2002061967
Marcoule G3France FranceGCRunknown401960
MZFRGermany GermanyPHWR—521966
Novovoronezh 1-1Russia RussiaPWRV-2101971964

Countries by operating capacity in 1984

#CountryReactorsMWeUnder construction
1United States United States8370,91136
2France France3627,75028
3Japan Japan2818,9738
4Germany Germany2114,34010
5Russia Russia2811,85511
6Sweden Sweden108,4842
7Canada Canada148,4368
8United Kingdom United Kingdom326,63410
9Ukraine Ukraine75,2228
10Taiwan Taiwan54,1141
11Spain Spain64,0794
12Belgium Belgium63,8762
13Switzerland Switzerland53,346—
14Finland Finland42,794—
15South Korea South Korea31,8776
16Bulgaria Bulgaria41,6322
17Italy Italy31,273—
18Hungary Hungary29582
19Argentina Argentina29431
20South Africa South Africa19241
21India India58264
22Slovakia Slovakia28164
23Armenia Armenia2792—
24Slovenia Slovenia1696—
25Netherlands Netherlands2537—
26Pakistan Pakistan190—
27Kazakhstan Kazakhstan152—
28Brazil Brazil002
29Czech Republic Czech Republic004
30Iran Iran001
31Lithuania Lithuania002
32Mexico Mexico002
33Philippines Philippines00—
34Romania 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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