The data describes the number of U.S. nuclear power reactors by the end of 2017, by years of operation. There were 45 reactors started their commercial operation 40 or more years ago. The U.S. has the biggest number of nuclear reactors worldwide.
1-19 years | 1 |
20-29 years | 13 |
30-39 years | 40 |
40 years or more | 45 |