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<br />~I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />but when the net head is below 130 feet the flow through the <br />turbine is 9 cfs which then decreases to 6 cfs at 90 feet. The <br />flow below the dam should be about 9 cfs at 90 feet of head, <br />therefore, the 6 cfs for the model 10LNT22A is unacceptable. The <br />flow for the selected model 10LNT14A is about 8.7 cfs at the low <br />heads which is acceptable. <br /> <br />The computer model calculates the net head, flow, and effi- <br />ciency from the gross head based upon the data in the Net Head <br />Table and the performance curves. These values are used to <br />calculate the kWh production for each day of the model period. <br />Table 7.2 shows the kWh. production and peak kW output for each <br />year of the model period. The unit with Piping Plan A produces a <br />yearly average of 750,000 kWh with a peak year of 910,000 kWh and <br />a minimum year of 579,000 kWh. <br /> <br />TABLE 7.2 <br />Power Plant Output <br /> <br />Year <br /> <br />Kilowatt-Hours <br /> <br />Maximum <br />Kilowatt Output <br /> <br />1971 <br />1972 <br />1973 <br />1974 <br />1975 <br />1976 <br />1977 <br />1978 <br />1979 <br />1980 <br />1981 <br />1982 <br /> <br />847,000 <br />752,000 <br />820,000 <br />624,000 <br />712,000 <br />823,000 <br />579,000 <br />583,000 <br />735,000 <br />832,000 <br />873,000 <br />910,000 <br /> <br />105 <br />103 <br />105 <br />95 <br />105 <br />105 <br />90 <br />105 <br />105 <br />105 <br />105 <br />105 <br /> <br />Average <br /> <br />757,000 <br /> <br />N/A <br /> <br />7.5 ELECTRIC REQUIREMENTS <br />Electric utilities have requirements for safe and effective <br />parallel operation of small hydroelectric generators. This is to <br /> <br />7.0-14 <br />