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NUCLEUS
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Country Statistics
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About PRIS
Nuclear Share of Electricity Generation in 2025
Nuclear Share of Electricity Generation
Country
Total Net Electrical Capacity
[MW]
Number of Operated Reactors
Nuclear Electricity Supplied
[GW.h]
Nuclear Share
[%]
FRANCE
63000
57
373513.00
68.1
SLOVAKIA
2306
5
18014.53
64.4
HUNGARY
1916
4
15219.86
45.2
CZECH REPUBLIC
3972
6
30315.75
42.0
SLOVENIA
696
1
5547.08
39.7
FINLAND
4369
5
31324.71
39.6
BELARUS
2220
2
15933.52
39.5
BULGARIA
2006
2
14706.66
38.3
BELGIUM
3908
5
22629.06
33.7
KOREA, REPUBLIC OF
25609
26
175549.42
31.0
ARMENIA
416
1
2700.74
30.6
SWITZERLAND
2973
4
18441.44
27.1
SWEDEN
7012
6
44773.74
26.7
UNITED ARAB EMIRATES
5348
4
39763.51
22.0
ROMANIA
1300
2
10128.69
20.5
SPAIN
7123
7
51471.11
18.9
RUSSIA
28002
37
204860.82
18.7
UNITED STATES OF AMERICA
96952
94
785587.16
17.7
PAKISTAN
3262
6
23655.22
16.5
CANADA
12714
17
81105.32
13.0
UNITED KINGDOM
5883
9
32917.68
10.7
JAPAN
12631
14
94669.11
9.4
ARGENTINA
1631
3
10760.68
7.3
SOUTH AFRICA
1854
2
10242.06
5.5
CHINA
56488
58
436570.75
5.0
MEXICO
1552
2
9834.75
3.9
INDIA
7430
21
49098.01
3.2
NETHERLANDS, KINGDOM OF THE
482
1
3803.74
2.7
BRAZIL
1884
2
14927.87
2.2
IRAN, ISLAMIC REPUBLIC OF
915
1
5126.19
1.3
Total
365854
404
2633192.18
NA
Above data generated by the PRIS database. Last update on 2026-07-17
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TREND REPORTS
Nuclear Power Capacity
Energy Availability
Unit Capability
Unplanned Capability Loss
Load Factor
Electricity Supplied
MISCELLANEOUS Reports
Nuclear Share
Age Distribution