Timeline · 1970

The world's nuclear fleet in 1970

In 1970, 94 nuclear reactors were operating in 16 countries, 15.1 GWe net, with 129 under construction.

Compared with 1969, the operating fleet grew by 7 reactors. 7 reactors were connected to the grid that year, 3,653 MWe, mostly in United States (4), Japan (2) and Germany (1). The countries with the most operating capacity were United States (5,264 MWe), United Kingdom (3,535 MWe) and France (1,461 MWe).

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Connected to the grid in 1970

Unit	Country	Type	Model	MWe
Großwelzheim	Germany	BWR	BWR	27
Fukushima Daiichi 1	Japan	BWR	BWR-3	439
Mihama 1	Japan	PWR	Mitsubishi (2-loop)	320
Dresden 2	United States	BWR	BWR-3 (Mark 1)	894
H. B. Robinson 2	United States	PWR	WH 3LP (DRYAMB)	741
Millstone 1	United States	BWR	BWR-3 (WET)	641
Point Beach 1	United States	PWR	WH 2-loop (DRY)	591

Countries by operating capacity in 1970

#	Country	Reactors	MWe	Under construction
1	United States	22	5,264	61
2	United Kingdom	27	3,535	13
3	France	9	1,461	3
4	Russia	10	1,387	11
5	Germany	8	930	8
6	Japan	4	809	6
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	Puerto Rico	1	18	—
14	Belgium	1	10	2
15	Panama	1	10	—
16	Sweden	1	10	4
17	Argentina	0	0	1
18	Armenia	0	0	1
19	Bulgaria	0	0	2
20	Kazakhstan	0	0	1
21	Pakistan	0	0	1
22	Slovakia	0	0	1
23	Ukraine	0	0	1