Timeline · 2003

The world's nuclear fleet in 2003

In 2003, 459 nuclear reactors were operating in 35 countries, 374.2 GWe net, with 31 under construction.

Compared with 2002, the operating fleet shrank by 3 reactors. 2 reactors were connected to the grid that year, 1,666 MWe: Qinshan 3-2 (China) and Hanul 5 (South Korea). 6 units were permanently shut down, 1,006 MWe. The countries with the most operating capacity were United States (103,810 MWe), France (63,308 MWe) and Japan (44,135 MWe).

← Previous year, 2002 · Next year, 2004 → · See this year on the map · Today's rankings

Connected to the grid in 2003

Unit	Country	Type	Model	MWe
Qinshan 3-2	China	PWR	CANDU 6	677
Hanul 5	South Korea	PWR	OPR-1000	989

Shut down in 2003

Unit	Country	Type	Model	MWe	Grid connection
Stade	Germany	PWR	Siemens	640	1972
Fugen	Japan	HWLWR	ATR	148	1978
Calder Hall 1	United Kingdom	GCR	Magnox	49	1956
Calder Hall 2	United Kingdom	GCR	Magnox	60	1957
Calder Hall 3	United Kingdom	GCR	Magnox	60	1958
Calder Hall 4	United Kingdom	GCR	Magnox	49	1959

Countries by operating capacity in 2003

#	Country	Reactors	MWe	Under construction
1	United States	109	103,810	1
2	France	60	63,308	—
3	Japan	53	44,135	4
4	Russia	35	21,433	3
5	Germany	18	20,836	—
6	Canada	22	15,409	1
7	South Korea	18	15,317	2
8	United Kingdom	27	11,411	—
9	Ukraine	13	11,207	4
10	Sweden	11	10,452	—
11	Spain	9	7,710	—
12	China	8	6,133	3
13	Belgium	7	5,922	—
14	Taiwan	6	5,052	—
15	Czech Republic	6	3,963	—
16	Switzerland	5	3,346	—
17	Bulgaria	4	2,822	—
18	Finland	4	2,794	—
19	Slovakia	6	2,684	2
20	India	14	2,647	8
21	Lithuania	2	2,370	—
22	Hungary	4	1,916	—
23	Brazil	2	1,884	—
24	South Africa	2	1,854	—
25	Mexico	2	1,552	—
26	Argentina	2	948	1
27	Slovenia	1	696	—
28	Romania	1	650	1
29	Philippines	1	621	—
30	Netherlands	1	482	—
31	Armenia	1	416	—
32	Pakistan	2	390	—
33	Puerto Rico	1	18	—
34	Panama	1	10	—
35	North Korea	1	5	—
36	Iran	0	0	1