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<br />rl <br />t\ <br /> <br />B. Purchases <br /> <br />~. <br /> <br />A compari son of Base Case purchases to' Actual purchases are <br />summarized below: <br /> <br /> Energy Purchase Comparison <br /> Simulated <br /> Base Case Actua 1 <br /> Months Purchases Purchases Differences <br />April 1994 87,739 MWh 83,757 MWh 3,982 MWh <br />May 1994 45,890 MWh 28,841 MWh 17,049 MWh <br />June 1994 93,530 MWh 92,709 MWh 821 MWh <br />July 1994 130,588 MWh 102,926 MWh 662 MWh <br />August 1994 109,615 MWh 107,849 MWh 1,766 MWh <br />September 1994 126,050 MWh 124,356 MWh 2,904 MWh <br /> <br />~l~ <br /> <br />.~, <br />i~ <br /> <br />For April 1994 through September 1994, actual purchases were less <br />than simulated Base Case purchases. This is due to a shift in <br />deficits from onpeak to offpeak hours in the Base Case, resulting in <br />higher purchases during offpeak hours. <br /> <br />C. Economy Energy Sales (Surplus) <br /> <br />For all months, actual nonfirm energy sales were less than projected <br />for Base Case conditions. High water releases from Flaming Gorge <br />and the Aspinall Unit, resulted in a surplus of energy to the <br />economy energy market in the last half of May. This explains why <br />May energy sales and revenues foregone, for Base Case and Actual, <br />are significantly higher than the other 5 months. Revenues foregone <br />are estimated below: <br /> <br />:-:..' <br /> <br />~.. <br /> <br />~ij <br /> <br /> ENERGY SALES AND REVENUES FOREGONE <br /> Months Base Case Actua 1 Revenues Foregone <br />April 1994 $ 87,232 $ 8,249 $ 78,983 <br />May 1994 867,160 355,937 51I,223 <br />June 1994 45,31I 26,165 19,146 <br />July 1994 35,928 22,536 13,392 <br />August 1994 65,4Il 32,660 32,531 <br />September 1994 30,390 0 30,390 <br /> <br />";, <br />~~ <br /> <br />-"; <br /> <br />6 <br />