Timeline · 1971

The world's nuclear fleet in 1971

In 1971, 104 nuclear reactors were operating in 16 countries, 21.6 GWe net, with 134 under construction.

Compared with 1970, the operating fleet grew by 10 reactors. 16 reactors were connected to the grid that year, 7,809 MWe, mostly in Canada (3), United States (3) and Switzerland (2). 1 unit was permanently shut down, 27 MWe. Pakistan connected its first nuclear reactor in 1971. The countries with the most operating capacity were United States (8,958 MWe), United Kingdom (4,025 MWe) and France (1,926 MWe).

← Previous year, 1970 · Next year, 1972 → · See this year on the map · Today's rankings

Connected to the grid in 1971

Unit	Country	Type	Model	MWe
Gentilly 1	Canada	HWLWR	CANDU BLWR 250	250
Pickering A1	Canada	PHWR	CANDU 500A	515
Pickering A2	Canada	PHWR	CANDU 500A	515
Saint-Laurent A-2	France	GCR	UNGG	465
Wuergassen	Germany	BWR	BWR-69 (AEG)	640
Karachi 1	Pakistan	PHWR	CANDU	90
Novovoronezh 1-3	Russia	PWR	VVER V-179	385
Santa Maria De Garona	Spain	BWR	BWR-3	446
Oskarshamn 1	Sweden	BWR	ASEA-I	473
Beznau 2	Switzerland	PWR	WH 2-loops	365
Muehleberg 1	Switzerland	BWR	BWR-4	373
Wylfa 1	United Kingdom	GCR	Magnox	490
Wylfa 2	United Kingdom	GCR	Magnox	490
Dresden 3	United States	BWR	BWR-3 (Mark 1)	879
Monticello	United States	BWR	BWR-3 (Mark 1)	628
Palisades 1	United States	PWR	CE 2-loop (DRY)	805

Shut down in 1971

Unit	Country	Type	Model	MWe	Grid connection
Großwelzheim	Germany	BWR	BWR	27	1970

Countries by operating capacity in 1971

#	Country	Reactors	MWe	Under construction
1	United States	27	8,958	60
2	United Kingdom	28	4,025	12
3	France	10	1,926	3
4	Russia	10	1,387	11
5	Canada	4	1,258	5
6	Japan	5	1,248	8
7	Germany	7	903	9
8	Spain	2	587	1
9	Italy	3	563	1
10	Switzerland	1	365	2
11	India	2	300	3
12	Netherlands	1	55	1
13	Puerto Rico	1	18	—
14	Belgium	1	10	3
15	Panama	1	10	—
16	Sweden	1	10	5
17	Argentina	0	0	1
18	Armenia	0	0	1
19	Brazil	0	0	1
20	Bulgaria	0	0	2
21	Finland	0	0	1
22	Kazakhstan	0	0	1
23	Pakistan	0	0	1
24	Slovakia	0	0	1
25	Ukraine	0	0	1