As of October 2025, there is a total of 165 nuclear power reactors with an installed electric net capacity of 147,997 MWeMegawatt electric; electric output of a power plant in megaw... in operation in Europe (six thereof in the Asian part of the Russian Federation), and 9 units with an electric net capacity of 9,969 MWeMegawatt electric; electric output of a power plant in megaw... were under construction in four countries.
|
Country |
in operation |
under construction |
||
|
number |
net capacity MWeMegawatt electric; electric output of a power plant in megaw... |
number |
net capacity MWeMegawatt electric; electric output of a power plant in megaw... |
|
| Belarus |
2 |
2.220 |
– |
– |
| Belgium |
2 |
2.076 |
–
|
–
|
| Bulgaria |
2 |
2.006 |
– |
– |
| Czech Republic |
6 |
3.934 |
–
|
–
|
| Finland |
5 |
4.394 |
– |
– |
| France |
57 |
63.000 |
– |
– |
| Hungary |
4 |
1.916 |
–
|
–
|
| Netherlands |
1 |
482 |
–
|
–
|
| Romania |
2 |
1.300 |
– |
– |
| Russia |
36 |
26.802 |
4 |
3.759 |
| Slovakia |
5 |
2.308 |
1 |
440 |
| Slovenia |
1 |
688 |
–
|
–
|
| Spain |
7 |
7.121 |
–
|
–
|
| Sweden |
6 |
6.882 |
–
|
–
|
| Switzerland |
4 |
2.960 |
–
|
–
|
| Ukraine |
15 |
13.107 |
2 |
2.070 |
| United Kingdom |
9 |
5.883 |
2 |
3.260 |
| total |
164 |
147.552 |
9 |
9.969 |
Nuclear power plantThermal power plant, primarily used for electricity generati... units in Europe, in operation and under construction (Last update – 1st December 2025)
In terms of electricity globally generated by nuclear energyInner binding energy of atomic nuclei. The nuclear building ... in 2024, France holds the top position with a share of 67.3%, followed by Slovakia (60.6%) and Hungary (47.1%), then Belgium (42.2%).
Nuclear Power Reactors in Operation in Europe, 1st December 2025