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<br />COLoRADO RIVER STORAGE PROJECT <br /> <br />7 <br /> <br />The company now operates a 200,000-kiIowatt steamplant near <br />Casper, Wyo., and will increase that capacity to 350,000 kilowatts <br />in 1964. It has been rapidly expanding its transmission system in <br />north-central Wyoming in recent years and in 1960 contracted with <br />the Bureau of Reclamation to fully interconnect its system with the <br />Bureau's Missouri River Basin western division system in Wyoming. <br />The company is now extending its 230-kilovolt system southward to <br />Rock Springs and to Kemmerer where it will be interconnected in <br />1963 with the Utah Power & Light Co.'s steamplant, which will <br />have a capacity of 500,000 kilowatts by 1973, <br />As a result of the negotiations just completed with the company, <br />it has offered to build a 60-mile 230-kilovolt line from Rock Springs <br />to Flaming Gorge powerplant, In recognition of the mutual advan- <br />tages of this interconnection the Bureau will provide the transforma- <br />tion facilities in the Flaming Gorge switchyard at a cost of $700,000, <br />The company stated by letter of January 31, 1962, that it desired to <br />handle this interconnection arranf'ement contractually by adding <br />Flaming Gorge as another point of mterconnection under the existing <br />1960 Missouri River Basin contract, This contractual arrangement <br />will permit the delivery of Colorado River storage project power <br />through the interchange process, without a wheeling charge, to each <br />of the existing points of interconnection between the company's <br />system and the Missouri River Basin western division system at <br />Casper and Muddy Ridge in Wyoming and at the Yellow tail power- <br />plant in Montana, . <br />In addition to this interconnection through the company's system, <br />the Colorado River storage project power system will be conneeted <br />directly to the Missouti River Basin system at Cheyenne, Wyo., by <br />a 230-kilovolt line from Craig, Colo. The combination of these two <br />high-voltage interconneetions will greatly strengthen and increase <br />the carrying capacity of the Bureau's extensive 1I5.kilovolt system <br />in Wyoming. This is. far superior to the previously contemplated <br />1I5.ldlovolt tie between Craig, Colo., and Sinclair, Wyo., that has <br />been eliminated, <br />A real advantage has been gained at nominal cost through this <br />interconnection with the company at Flaming Gorge because it <br />assures the delivery otColorado River storage project power at tbree <br />additional points in north-central Wyoming without a wheeling char!,e <br />and without expansion 'of the Missouri River Basin system, 01' possible <br />added cost to preference customers, <br /> <br />UTAH POWER & LIGHT Co. AND CALIFORNIA PACIFIC UTILITIES Co. <br /> <br />SUMMARY OF TRANSMISSION AND INTERCONNECTION ARRANGEMENTS <br /> <br />Utah Power & Light Co. offered, in its initial proposal April 1960 <br />which was rejected bi the Department, to construet the necessary <br />lines in Utah and wheel storage projeet power for preference customers <br />for 1.55 mills per kilowatt-hour for deliveries from Flaming Gorge <br />and Glen Canyon to the delivery points of Sigurd, Heber, and Vernal <br />and for 0.15 mills per kilowatt-hour for deliveries from central Utah <br />project. <br /> <br />