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<br />for use of CRSP facilities, less the estimated revenue for wheeling power <br />for Ute and SRP. The 3-year average annual transmission capacity <br />commitments were 1,580.7 MW, which consisted of 1,195.4 MW for the installed <br />capacity of the CRSP plants and 385.3 MW for Ute and SRP, Dividing the <br />average annual cost of $10,453,000 by the capacity of 1,580,700 kW resulted <br />in a unit cost of $6.61 which was rounded to $6.60 per kW-year for the <br />established firm transmission rate. The nonfirm transmission rate of 1 mill <br />per kWh was not revised. <br /> <br />V, PROPOSED TRANSMISSION RATES <br />Based on data aval1able as of the end of FY 1981, projections were <br />made, as shown on Table 1, for the three ensuing years of FY 1982, 1983, and <br />1984 as to the anticipated transmission system investment and OM&R costs; <br />costs of wheeling over other systems; revenues for rental of CRSP <br />transmission facilities; and revenues from Ute and SRP because of the <br />exchange of Ute and SRP coal-fired generation 'for CRSP hydro generation. <br />Table 1 also shows the estimated transmission 'capacity commitments and the <br />annual cost per kW for each of the three futu~e years FY 1982, 1983, and <br />1984. The average cost per kW for the three years, $10.27 per kW-year, is <br />proposed as the firm transmission rate. A new non-firm transmission rate of <br />2 mills per kWh is also proposed. Two mills per kWh is the energy rate <br />obtained by applying an annual load factor of 58.2 percent to the firm <br />transmission rate of $10.27 per kilowatt year. Both rates should become <br />effective April 1, 1983, or as soon thereafter as possible, where existing <br />contracts do not permit changes by then. A special nonfirm transmission <br />rate of 1 mi11/hWh for the return of emergency assistance is under <br />consideration. <br /> <br />The annual replacement cost shown for each year on Table 1 ;s the <br />average of the estimated CRSP transmission replacements for the FY 1982-2090 <br />period, rather than the replacements which are actually anticipated in the <br />next 3 years. This average method appears more appropriate, since the <br />projections for the next 3 years include extraordinarily high costs due to <br />the replacement of the CRSP supervisory control and data acquisition (SCADA) <br />system. ' <br /> <br />Figure 2 shows the historical and proposed firm and non-firm <br />transmission rates. <br /> <br />VI. HISTORY of FIRM POWER RATES <br />The first CRSP firm power rate, the R4-Fl schedule, was established on <br />March 6, 1962. The charges were: <br /> <br />3 mills per kWh for energy and <br />$1.275 per kW/Month for capacity. <br /> <br />Under the 1962 marketing criteria, customers with no supplemental <br />supply were permitted to receive their total energy requirements. Customers <br />with a supplemental supply were permitted to take up to 70 percent seasonal <br />load factor energy through March 1976. The average rate at 58.2 percent <br />seasonal load factor was 6 mills per kWh. <br /> <br />8 <br />