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<br />(:: f~ -l"'1 ,) ~-; "', <br />UU~ 10.,: ~,' -' <br /> <br />~~.~ <br /> <br />,'":.o/'4 <br />'"....,.. <br /> <br />r' <br /> <br />The Honorable Stewart L. Udall, <br /> <br />-2- <br /> <br />January 29, 19<>2 <br /> <br />of' adverse hydro years and because of liIId.tations on the discharge of water <br /> <br />during the non-navigation season, the hydroelectric generating capability <br /> <br />of all of said plants, for supplying the requirements of the Preference <br /> <br />Customers of the Eastern Division~M1ssouri River Project, will be liIId.ted <br /> <br />in non-navigation seasons to about 1,200,000 kw under average water conditions <br /> <br />and to about 900,000 kw under adverse water conditions. <br /> <br />In order for hydroelectric gEmerating plants of the United States to <br /> <br /> <br />have a firm capability of l,850,000 kw for supplying the requirements of <br /> <br />its year round Preference Customers at their estimated load patterns, <br /> <br />estimates indicate that the United,States will have to obtain approximately <br /> <br />2,200 million kwh of energy to supplement the hydro energy in an adverse <br /> <br />hydro year; whereas during average hydro years the' United States will have <br /> <br />to obtain energy in excess of the hydroelectric energy which can be generated <br /> <br /> <br />during the non-navigation season, to vary from about 453 million kwh during <br /> <br />the non-navigation season beginning in 1965, to about 958 million kwh in <br /> <br />the non-navigation season in the winter of 19G~-70. <br /> <br />However, it is estimated that during each navigation season the <br /> <br />hydroelectric generating plants Will, except under exceptionally adverse <br /> <br />water conditions, be capable of generating electric energy in quantities <br /> <br />" <br />.< <br />,. <br />1 <br />;'1, <br />" <br />.~ <br />~ <br />~ <br />. <br />"' <br />i{ <br />) <br />1 <br />:i <br />r~ <br />:1 <br />, <br />" <br /> <br />in excess of the firm requirements of year round Preference Customers. <br /> <br />hydro years and in SG~_c years with less than average flows, will exceed the <br /> <br /> <br />It is further estimat 1 that the navigation season energy surplus, in average <br />