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<br />Power Repayment Study <br /> <br />Results of the power repayment study for <br />fiscal year 1975 are depicted in the graph <br />on page 35. Estimated annual power revenues <br />are shown together with their application. <br />Total revenues for the period shown exceed <br />$3.4 billion. After repayment of about $800 <br />million for the power investment and <br />replacements and $300 million for interest, <br />power revenues should be sufficient to <br />repay about $100 million in irrigation costs <br />plus around $1.0 billion in costs of <br />participating projects. <br /> <br />Following are explanatory notes on the <br />terms used on the graph. Copies of the <br />power repayment study in a highly detailed <br />form can be obtained upon request. <br /> <br />30 <br /> <br />Power Repayment Study <br /> <br />Operating Expenses <br /> <br />Annual costs of power and salinity control <br />operation and maintenance, energy <br />purchases, wheeling by others, and the <br />purchase of energy to replace the deficiency <br />in Hoover power plant generation caused by <br />storage project operations, In past years, <br />energy purchases for fuel conservation are <br />shown as an operating expense and the <br />revenues from energy sales for fuel con- <br />servation are included in the gross revenues. <br />In future years, energy purchases for fuel <br />conservation are not shown, but are netted <br />out of the revenues. <br /> <br />Replacemenls <br /> <br />Payments made on power replacements, <br />with the highest interest-bearing component <br />(whether replacements or other power <br />investment) being paid first. <br /> <br />Power Inlerest Paymenls <br /> <br />Annual interest on the unpaid power <br />investment. <br /> <br />Power Principal Paymenls <br /> <br />Payments made on the power investment, <br />with the highest interest-bearing com- <br />ponent (whether power investment or <br />replacement) being paid first. <br /> <br />Slorage Unillrrigation Principal Payments <br /> <br />Power revenues which are applied toward <br />payment of the irrigation allocation of the <br />storage units and the construction cost <br />of salinity control projects, the major portion <br />(about $78 million, or 79 percent) of such <br />costs being repaid from power revenues, <br />with the remainder (about $21 million, or <br />21 percent) being repaid from M&I <br />water revenues. <br /> <br />Power Revenues Available lor Irrigation <br />Assistance to Participating Projects <br /> <br />Power revenues available after the above <br />costs have been paid, the amount of which <br />will be about $1 ,035 million through year <br />2050. A lesser amount (about $30 million, <br />or 3 percent of the total available) will also <br />be provided from M&I water revenues. <br />