Plants built in the 1960s and 1970s did exceptionally well on a cost to energy ratio. They were also built in greater numbers than in the 1980s and onwards: htt

Plants built in the 1960s and 1970s did exceptionally well on a cost to energy ratio. They were also built in greater numbers than in the 1980s and onwards: https://ars.els-cdn.com/content/image/1-s2.0-S0301421516300106-gr2.jpg https://ars.els-cdn.com/content/image/1-s2.0-S03014215163001... The source given for that sentence is: Steve Isser, Electricity Restructuring in the United States: Markets and Policy from the 1978 Energy Act to the Present. So whatever that sentence is talking about, it happened after the period of rapid construction and cheap costs.