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WSP05142
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Last modified
1/26/2010 2:17:09 PM
Creation date
10/12/2006 12:53:01 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.17
Description
Glen Canyon Dam/Lake Powell
State
AZ
Basin
Colorado Mainstem
Date
8/20/1972
Title
Draft of Reply to Paper by Dr. James R. Guadagno
Water Supply Pro - Doc Type
Report/Study
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<br />~I <br /> <br />elevation 3600 feet sufficient firm power could not be generated by the system <br /> <br />to provIde the power revenues to accomplIsh repayment under the contracts <br /> <br />executed under the law. The only way repayment could be accomplished with- <br /> <br />in the law would be to substantially Increase the rates charged for power whIch <br /> <br />, <br /> <br />are already several times higher than the rates for power generated at Hoover <br /> <br />Dam and competitive with alternate sources. <br /> <br />Dr. Guadagno's statement that "The Glen Canyon power plants contribute <br /> <br />only a small amount to the power network they are connected to, and the loss <br /> <br />in power capacity could be made up hy increased production from Hoover Dam, <br /> <br />and at a lower cost," is not true. From his statement it seems apparent that the <br /> <br />doctor would completely remove the Glen Canyon powerplant's generating capacity. <br /> <br />If this Is the case, the loss in generating capacity could not be made up, at lower <br /> <br />cost or at any cost, by increased production at Hoover Dam. How one could <br /> <br />, . <br /> <br />impose the generation by 950,000 kilowatts of Installed capacIty at Glen Canyon <br /> <br />Dam on top of that at Hoover is beyond engIneerIng comprehens ion. At no time <br /> <br />prior to the operation of Glen Canyon powerplant did the power facilities at <br /> <br />Hoover ever generate anything T\ear the combined production of the two facilities <br /> <br />--even during the so-called good water years. It would be elementary mental <br /> <br />gymnastics for an eIghth-grade arithmetic student to ascertaIn that the same <br /> <br />quantity of water (less 180,000 acre-feet) dropping through two power heads <br /> <br />and passing through combined turbines rated at 2295 megawatts of capabIlity <br /> <br />could produce more energy than if it passed through one power head and generators <br />u <br /> <br />with a capacity of 1,345 megawatts. <br /> <br />Maybe the doctor meant that the 159 megawatts of generatIng capacity <br /> <br />lost at Glen Canyon Dam as the result of lImiting the water surface to elevation <br /> <br />13 <br />
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