Timeline · 1970

The world's nuclear fleet in 1970

In 1970, 90 nuclear reactors were operating in 15 countries, 14.4 GWe net, with 129 under construction. 9 of those units are not included in the net capacity because no net figure has been published for them.

Compared with 1969, the operating fleet grew by 7 reactors. 7 reactors were connected to the grid that year, 3,651 MWe, mostly in United States (4), Japan (2) and Germany (1). The countries with the most operating capacity were United States (5,235 MWe), United Kingdom (3,505 MWe) and France (1,454 MWe).

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Connected to the grid in 1970

Unit	Country	Type	Model	MWe
Großwelzheim	Germany	BWR	Superheated steam reactor (HDR) (Superheated steam reactor)	25
Fukushima Daiichi 1	Japan	BWR	BWR-3	439
Mihama 1	Japan	PWR	Westinghouse 2-loop (WH 2LP)	320
Dresden 2	United States	BWR	GE BWR/3, Mark I containment (BWR-3 (Mark 1))	894
H. B. Robinson 2	United States	PWR	Westinghouse 3-loop (WH 3LP)	741
Millstone 1	United States	BWR	BWR-3 (WET)	641
Point Beach 1	United States	PWR	Westinghouse 2-loop (WH 2LP)	591

Countries by operating capacity in 1970

#	Country	Reactors	MWe	Under construction
1	United States	20	5,235	61
2	United Kingdom	27	3,505	13
3	France	8	1,454	3
4	Germany	8	927	8
5	Japan	4	809	6
6	Russia	10	786	11
7	Italy	3	563	1
8	Switzerland	1	365	2
9	India	2	300	2
10	Canada	2	228	6
11	Spain	1	141	1
12	Netherlands	1	55	1
13	Belgium	1	10	2
14	Sweden	1	10	4
15	Argentina	0	0	1
16	Armenia	0	0	1
17	Bulgaria	0	0	2
18	Kazakhstan	0	0	1
19	Pakistan	0	0	1
20	Panama	1	0	—
21	Slovakia	0	0	1
22	Ukraine	0	0	1