The US nuclear fleet of 94 commercial nuclear reactors produced 789.9 TWh of electricity in 2020 – more than 122 reactors produced in 1990, according to data from the Energy Information Administration.
The fleet has maintained a 90% median capacity factor for 20 years and expectations for advanced nuclear predict future capacity factors of nearly 95%.
The American Nuclear Society, which has tracked and analysed the capacity factors of US commercial reactors since the early 1980s, said the fleet has maintained a median capacity factor near 90% for 20 years.
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