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<br />G. Power Supply Source and Needs
<br />Near-term Power
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<br />The Secretary of the Interior was authorized and directed by Section 303
<br />of th, Colorado River Basin Project Act to recommend the most feasible
<br />plan for the construction and operation of generation and transmission
<br />facilities for the Central Arizona Project. On December 12, 1969, the
<br />Secretary signed contracts providing for participation by the United
<br />States in the Navajo Project, which consists of a fossil-fueled genetating
<br />station near Page, Arizona, and associated transmission facilHies. The
<br />present plant rating is 2,250 MW, of which the United States' share is
<br />546.75 MW.
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<br />Presu~ing that the outcome of the Arizona Power Pooling Association suit
<br />again$t the United States will not alter present plans, the use of Navajo
<br />Proje~t power and energy will meet the near-term needs of the Desalting
<br />Compl~x and Protective Pumping Units through at least 1985, as the CAP,
<br />which was originally scheduled to be in service in January 1980, will not
<br />be in,service until 1985. Also, it is a resource that was contracted
<br />for by the present contractors for an interim period, subject to recapture
<br />by th~ United States for other purposes of the Colorado River Basin
<br />Proje~t Act.
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<br />Long-Range Power
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<br />CAP studi es i ndi cate that, a fter all owi ng for pumpi ng energy requi rements,
<br />an av+rage of 1,200 GWh will be available annually for other purposes,
<br />including commercial sale, which is more than adequate to meet the needs of
<br />the Yuma Desa lti ng Pl ant (YDP) and Protecti ve and Regul atory Pumpi ngUnH
<br />(PRPU).
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<br />Because maximum CAP deliveries will often coincide wHh periods when the
<br />Yuma Oesa lti ng Pl ant is shut down because of surplus river flows, H .appears
<br />that the power needs of the CAP and the YDP are complementary. Hence, it
<br />is believed that the power needs of the YDP and the PRPU can continue to
<br />be met after 1985, using energy from the Navajo Project which is excess to
<br />the n~eds of the CAP.
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<br />This ~ould not affect the CAP rights to first use of the United States'
<br />entitlement to the Navajo Generating Station to meet its pumping require-
<br />ments, nor would it diminish revenues credited to the Lower Colorado River
<br />BasiniDevelopment Fund. This use has been requested in the Amendatory
<br />Legislation submitted to the Department. (Appendix 0)
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<br />Probability analyses have indicated that the NavajO Project energy would
<br />be insufficient in any given year to meet the combined requirements of the
<br />CAP, YDP, and the PRPU only 3,8 percent of the time. During these times,
<br />it is' anticipated that energy can be purchased from area utilHies under
<br />short~term purchase contracts.
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