In what year was energy usage per capita in the united states the greatest? 1973, 1983, or 1992?

1973 was the year where the United States of America had the greatest energy usage per capita. It was estimated that electric consumption reached 8,573.19 kWh for a population of 211.9 million. This was a transition period in the United States where people are now more engaged in mass production of goods in their economy.

Q=mc∆tq=59.047g×4.2j/g/k×(27.8-23.7)q=1,016.789j