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e'l ~_:.~M - C" 1 ':11- . _. k~] , c' ~ ,";J f;~ ~"-j ".- I I:', 1.:1_: I .-:~ '. ".;:. among existing CUEA residential customers we assume that the stock of major home appliances (e.g. refrigerators) will not turn over during the planning period. The period of analysis is 1982 to 1989. All references to years imply end of the year. 'Thus, the 1982 to 1989 period extends from 31 December 1982 through 31 December 1989. This eight year span offers the potential for substantial energy savings. New customers are those customers who joined the CUEA system after 1982. Existing customers are those customers who has joined the CUEA system prior to that. The. analytical results of our methodology are based only upon year end 1989. The dollar value of energy savings is calculated in terms of present value. The interest rate assumed is 14 percent. In its Economic Feasibility Report for the Juniper-Cross Mountain Project, CUEA assumes that the project will be financed at 14 percent interest41 When that report compares Juniper-Cross to a coal- fired thermal project, 14 percent interest is also assume~1 Addi- tionally the total cost of the project is brised upon a 14 percent interest rate is reasonable to utilize in calculating present value of pnergy savings. As important as the interest rate in calculating savings is our assumption that the real cost of energy does not increase over time. We use $O.05/kWh (kilowatt hour) for all cost comparisons of energy savings and conservation investments. Numbers within the text have been revised to the nearest hundred. Results listed in the tables and figures may not iii