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<br />MtH32 <br /> <br />AB Lateral Hydropower Information <br /> <br />June 29, 1993 <br />Page 2 <br /> <br />3. WatCl'Rights. Two direct-flow water rights have been <br />conditionally decreed to the Gunnison Tunnel for power <br />generation purposes. In scenarios which include the ABHydro <br />facility, diversions through the Gunnison Tunnel for agricultural <br />use by the four UVP canals on the mainstem of the Uncompahgre <br />River below the ABHydro facility will be routed preferentially <br />through the powerplant. If such flows of agricultural water do <br />not "satisfy" the capacity of the powerplant and if there is <br />additional capacity available in the Gunnison Tunnel, then the <br />agricultural diversions computed during the water rights step will <br />be saved and a second solution will be computed with the direct- <br />flow power decrees activated. Diversions under the power rights <br />will be driven solely by the unmet power "demand" (capacity) at <br />the ABHydro facility. Thus the Gunnison Tunnel's separate <br />direct-flow water rights for power purposes may affect the <br />allocation of water among relatively junior rights throughout the <br />basin. But the amount of the "demand" which these direct-flow <br />water rights may satisfy is limited to the remaining capacity of <br />the ABHydro facility, after the incidental use of agricultural <br />water for power generation has been fully accounted for. <br /> <br /> <br />a. <br /> <br />User Interface. Users will be able to <br />modify the amounts, but not the priorities <br />of the two power rights. (eMB: Should <br />users be able to add a third power decree, <br />in the same spirit as the extra right at <br />existing reservoirs and individually <br />modeled demands?) <br /> <br />. r, <br />\01 A k-'" ,. <br /> <br />>. <br /> <br />4. Network Representation and Solution Step Iteration. The demand- <br />driven diversions under the Tunnel's direct-flow power rights will <br />become "free" water in the Uncompahgre River, available for <br />simultaneous reallocation to other water rights. An iteration loop <br />within the water rights step stabilizes the effect of this trans-basin <br />diversion. <br /> <br />~;\ <br /> <br />G:\~~OJ~CTS" 19\O(J;>,,"";~~C~' "'O"P,"\INfO..~.q mK C q'u,~; ".'"" A. "".' ~,d p," oq"Heo: ....~. }~. 199' I,..., pM <br /> <br />,ct>!. <br /> <br />- "-,,,--,,,-!..' <br /> <br />'". ,o~~ _;,., ""',,.;.;.-,,,,,-,, ,-_,_.., <br /> <br />1&.. dk-)_~,,;~. <br />