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Modeling Results for <br />Colorado River Basin States' Modeling of <br />Colorado River and Reservoir Management Strategies <br />Figure 3 -10 shows the annual average energy production at Glen Canyon. Both <br />Hybrid strategies result in higher energy generation on average. This is because <br />significantly more water is released from Powell in order to balance contents with <br />Mead when the conditions for equalization are not met but Powell is above an <br />elevation of 3550 ft. Under the Hybrid revl strategy, balancing releases occur <br />when Mead is below 1100 ft and even at the 10th percentile Mead is almost <br />always above 1050 ft (see Figure 3 -2). This indicates that more large balancing <br />releases are occurring under the Hybrid revl strategy than the Hybrid Original <br />strategy. <br />3.5.2 Hoover Energy Production <br />4,700 <br />4,500 <br />r <br />C9 4,300 <br />C <br />0 <br />A <br />`m <br />c <br />4,100 <br />I <br />a <br />3,900 <br />0 <br />0 <br />x <br />3,700 <br />3,500 4- <br />2005 <br />Figure 3 -11 <br />Hoover Average Annual Energy Production <br />-0-- Normal - Step Short Original <br />-.6- Hybrid - Step Short Original <br />-R- Hybrid revl -Step Short revl <br />2010 2015 2020 <br />Calendar Year <br />2025 <br />Figure 3 -11 shows the annual average energy production at Hoover. Both Hybrid <br />strategies result in higher energy generation on average. This can again be <br />attributed to the more frequent large releases made at Powell to balance contents <br />with Mead. Large differences in later years under Hybrid revl result from being <br />above the minimum power head in the CRSS algorithm (about 1011 ft) more <br />often than the other two strategies. <br />17 <br />