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Unit Capability Factor

Includes all reactors that were in commercial operation within 2019 and 2021
Country 2019 2020 2021 2019 - 2021
Number of Reactors UCF
[%]
Number of Reactors UCF
[%]
Number of Reactors UCF
[%]
Number of Reactors UCF
[%]
ARGENTINA 3 55.4 3 69.5 3 70.9 3 65.3
ARMENIA 1 57.8 1 73.3 1 51.6 1 60.9
BELARUS 1 58.8 1 58.8
BELGIUM 7 80.3 7 63.3 7 92.7 7 78.7
BRAZIL 2 92.8 2 80.9 2 83.7 2 85.8
BULGARIA 2 89.6 2 89.4 2 89.0 2 89.3
CANADA 19 80.1 19 77.0 19 72.7 19 76.6
CHINA 47 90.1 48 92.5 51 91.4 51 91.4
CZECH REPUBLIC 6 83.5 6 82.6 6 85.1 6 83.7
FINLAND 4 94.4 4 92.0 4 93.2 4 93.2
FRANCE 58 74.0 58 72.0 56 72.7 58 72.9
GERMANY 7 89.0 6 88.7 6 95.6 7 91.0
HUNGARY 4 91.8 4 90.4 4 90.2 4 90.8
INDIA 21 76.5 21 77.2 21 74.6 21 76.1
IRAN, ISLAMIC REPUBLIC OF 1 73.4 1 71.7 1 70.6 1 71.9
JAPAN 22 36.6 17 29.1 17 41.6 22 35.8
KOREA, REPUBLIC OF 25 68.4 24 76.9 24 74.9 25 73.4
MEXICO 2 81.7 2 83.5 2 85.8 2 83.7
NETHERLANDS 1 88.0 1 91.8 1 86.4 1 88.8
PAKISTAN 5 80.6 5 84.1 6 92.4 6 86.5
ROMANIA 2 93.4 2 92.7 2 92.2 2 92.8
RUSSIA 36 78.8 38 81.9 38 83.8 39 81.5
SLOVAKIA 4 92.1 4 91.5 4 91.6 4 91.7
SLOVENIA 1 91.7 1 99.5 1 90.2 1 93.8
SOUTH AFRICA 2 83.6 2 86.7 2 75.3 2 81.9
SPAIN 7 90.9 7 91.7 7 88.6 7 90.4
SWEDEN 8 88.5 7 75.0 6 86.2 8 83.3
SWITZERLAND 5 88.5 4 89.9 4 72.4 5 83.8
UKRAINE 15 69.7 15 71.0 15 73.8 15 71.5
UNITED ARAB EMIRATES 1 86.0 1 86.0
UNITED KINGDOM 15 65.8 15 61.7 15 59.4 15 62.4
UNITED STATES OF AMERICA 97 93.2 95 92.6 93 92.7 97 92.8
Total 434 80.9 425 80.8 426 81.9 444 81.2

The following information is included in the totals:

TAIWAN, CHINA 5 85.3 4 89.9 4 80.5 5 85.2


Above data generated by the PRIS database. Last update on 2022-11-30

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