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Unit Capability Factor up to

Weighted average includes all available data of operational & shutdown reactors from their commercial operation
Country Number of Reactors UCF [%]  
ARGENTINA 3 74.1  
ARMENIA 1 67.6  
BELARUS 2 69.1  
BELGIUM 8 83.2  
BRAZIL 2 79.6  
BULGARIA 6 77.6  
CANADA 25 76.7  
CHINA 56 89.6  
CZECH REPUBLIC 6 81.3  
FINLAND 5 91.6  
FRANCE 68 76.9  
GERMANY 27 83.6  
HUNGARY 4 86.8  
INDIA 24 75.2  
IRAN, ISLAMIC REPUBLIC OF 1 74.7  
ITALY 4 67.9  
JAPAN 58 65.9  
KOREA, REPUBLIC OF 28 82.8  
LITHUANIA 2 71.2  
MEXICO 2 83.2  
NETHERLANDS, KINGDOM OF THE 2 85.5  
PAKISTAN 7 74.0  
ROMANIA 2 92.1  
RUSSIA 42 76.8  
SLOVAKIA 8 84.0  
SLOVENIA 1 87.6  
SOUTH AFRICA 2 76.5  
SPAIN 10 86.1  
SWEDEN 12 79.9  
SWITZERLAND 5 86.5  
UKRAINE 17 72.9  
UNITED ARAB EMIRATES 4 88.3  
UNITED KINGDOM 43 72.3  
UNITED STATES OF AMERICA 119 83.6  
Total 612 79.5  

The following information is included in the totals:

TAIWAN, CHINA 6 85.3  


Above data generated by the PRIS database. Last update on 2025-12-09


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