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<br /> <br />A survey of utility capital and operating expenses for the six states <br />showed approximately 50 per cent of annual revenue requirements to be <br />capital related and 30 per cent fuel related. 2 Based on projections of <br />capacity and generation (fuel) mixes for the years 2000 and 2020 shown in <br />Figure 5-1 and utility system cost and operating parameters, the expected <br />band electricity price scalars were calculated' for 2000 and 2020. Electric- <br />ity price scalars for 1985 and 1990 were determined by linear interpolation. <br />The shift in rate base shares for capital, fuel, and other operating and <br />overhead costs is illustrated in Figure 5-2. <br />Low band electricity price projections were developed using expected <br />band coal and natural gas prices but with different projections of capacity <br />and generation (fuel) mixes. These low band capacity and generation mix <br />projections are representative of those states which currently have a high <br />percentage of installed coal capacity. Figure 5-3 shows the capacity and <br />generation' mix projections for 1980, 2000, and 2020 under the low band <br />projection. The shift in rate base shares. for capital, fuel, and other <br />operating and overhead costs under the low band projection is illustrated <br />in Figure 5-4. <br />The resultant average and small commercial electricity price projec- <br />tions are presented in Table 5-1. High band projections are also provided <br />to allow parametric analysis. <br /> <br />5.1 REFERENCES <br /> <br />1. Edison Electric I nstitute, Statistical Yearbook of the Electrical <br />Utility Industry, New York, N.Y., 1977. <br /> <br />2. Energy Information Administration; Statistics of Privately Owned <br />UtilitiE!s in the United States 1976, Class A and 8 Companies, <br />DOE/EIA-0044, US Department of Energy, Washington, D.C., <br />April 1978. <br /> <br />5-2 <br />