EXHIBIT 1. Average Annual Retail Electricity Price 1907–1970 (Cents/Kilowatt Hour) Federal Power Act 1940 1950 1920 1930 1935 Note: Numbers above represent inflation adjusted 2017 dollars. Source: Smithsonian Institute. September 2002. Powering The Past: A Look Back. Accessed December 17, 2018. http://americanhistory.si.edu/powering/past/history2.htm $0.00 $0.50 $1.00 $1.50 $2.00 $2.50 $3.00 1 9 0 0 1 9 1 0 1 9 2 0 1 9 3 0 1 9 4 0 1 9 5 0 1 9 6 0 1 9 7 0 Cents/kWh