Timeline · 1998

The world's nuclear fleet in 1998

In 1998, 451 nuclear reactors were operating in 36 countries, 358.2 GWe net, with 39 under construction.

Compared with 1997, the operating fleet shrank by 2 reactors. 4 reactors were connected to the grid that year, 3,047 MWe, mostly in South Korea (3) and Slovakia (1). 5 units were permanently shut down, 4,058 MWe. The countries with the most operating capacity were United States (103,810 MWe), France (57,318 MWe) and Japan (43,487 MWe).

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Connected to the grid in 1998

Unit	Country	Type	Model	MWe
Mochovce 1	Slovakia	PWR	VVER-440 V-213	467
Hanul 3	South Korea	PWR	OPR-1000	991
Hanul 4	South Korea	PWR	OPR-1000	994
Wolsong 3	South Korea	PHWR	CANDU-6	595

Shut down in 1998

Unit	Country	Type	Model	MWe	Grid connection
Superphénix	France	FBR	Na-1200	1,200	1986
Tokai 1	Japan	GCR	Magnox	137	1965
Millstone 1	United States	BWR	BWR-3 (WET)	641	1970
Zion 1	United States	PWR	WH (DRY)	1,040	1973
Zion 2	United States	PWR	WH (DRY)	1,040	1973

Countries by operating capacity in 1998

#	Country	Reactors	MWe	Under construction
1	United States	109	103,810	1
2	France	56	57,318	4
3	Japan	53	43,487	1
4	Germany	19	21,476	—
5	Russia	35	20,449	4
6	Canada	22	15,409	1
7	United Kingdom	35	12,345	—
8	Ukraine	14	12,132	4
9	South Korea	14	11,802	4
10	Sweden	12	11,052	—
11	Spain	9	7,710	—
12	Belgium	7	5,922	—
13	Taiwan	6	5,052	—
14	Bulgaria	6	3,638	—
15	Switzerland	5	3,346	—
16	Finland	4	2,794	—
17	Lithuania	2	2,370	—
18	China	3	2,256	6
19	Slovakia	5	2,215	3
20	Hungary	4	1,916	—
21	Czech Republic	4	1,907	2
22	South Africa	2	1,854	—
23	India	10	1,839	4
24	Mexico	2	1,552	—
25	Argentina	2	948	1
26	Slovenia	1	696	—
27	Romania	1	650	1
28	Philippines	1	621	—
29	Brazil	1	609	1
30	Netherlands	1	482	—
31	Armenia	1	416	—
32	Pakistan	1	90	1
33	Kazakhstan	1	52	—
34	Puerto Rico	1	18	—
35	Panama	1	10	—
36	North Korea	1	5	—
37	Iran	0	0	1