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<br />~ <br />l."') <br /><: <br />c <br />(. <br />\;..- <br /> <br />(~) <br /> <br />To explore the possibility of purchase of firm power and energy <br />requirements, the Bureau of Reclamation sent letters of inquiry <br />to potential suppliers of firm power and energy. Six replies <br />were received. The Los Angeles Department of Wutcr and rower <br />advised that it could not sell power outside the city limits. <br />Arizona Power Authority advised that it did not now have, and <br />probably IJould not have, adequate resources on a timely basis <br />to meet the required schedule. The Nevada Power Company stated <br />it could not supply the requirements. Southern California Edison <br />Company offered to sell the needed pm,er for delivery at the <br />Colorado River under its Rate Schedule A-S. Our calculations <br />sholJed that at a 90-percent load factor this IJould cost the United <br />Stntes $55.65 per kilolJattyear. The Salt River Project has offered <br />to sell pOIJer ranging from an equivalent cost of about $46 per <br />kilowatt year to about $57 per kilolJattyear, depending upon whether <br />the United States desires unsupported power from the Navajo Project <br />or firm power from the Salt River Project system. The Arizona <br />Public Service Company has also proposed selling power under <br />certain conditions to. the United States at an equivalent rate of <br />approximately $54 per kilowatt year. By comparison the cost to <br />the United States by the purchase of entitlement of power is <br />approximately $27 per kilowatt year. <br /> <br />Conclusions <br /> <br />In view of the above, it is concluded: <br /> <br />(1) The Granite Reef Aqueduct, the basic canal structure of <br />the Central Arizona Project, should be constructed to a <br />hydraulic capacity of 3,000 cubic feet per second, and <br />appurtenant facilities should be designed and constructed <br />accordingly. <br /> <br />(2) The most feasible plan to supply the power requirements <br />of the Central Arizona Project and to augment the Lower <br />Colorado River Basin Development Fund is to acquire <br />generation and transmission capacity by participation with <br />non-Federal entities in the construction and operation.of <br />generation and transmission facilities. <br /> <br />6 <br />