

China has been doing them in around 7 years from groundbreaking to grid connection and is trying to get that down to 5 years with their bailong power plant as they are developing an experienced work force and actually have experience making the parts
Except there is also inflation that in the U.S. for the past 75 years has been 3.8% so the cost of $66 per MWh would be the equivalent purchasing power cost of about $4.85 by the end of the plant life. The long lifecycle is good for environmental purposes as well as you don’t need to do constant construction and constantly dispose of rare earth metals and concrete