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WSP03244
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Last modified
1/26/2010 12:49:23 PM
Creation date
10/11/2006 11:37:35 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.500.20
Description
Coordinated Long Range Reservoir Operations & Annual Operation Studies
Basin
Colorado Mainstem
Date
1/1/1975
Author
USDOI/BOR
Title
Coordinated Operation of Lake Powell and Lake Mead
Water Supply Pro - Doc Type
Publication
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<br />Economic savior.s which mAY result from these trnns<lct10ns are <br />normally split betveen the Uni ted StateR and mAny other parties. <br />These trantHlctions are not generally predictahle ill advo'lnce and tlwrc <br />is no plan to make such transactions which would hnvc a net adverse <br />effect on the multIpurpose operation of the project. <br /> <br />Interchange energy o",ed to the United States will he received <br />from other utIlities vhen it does not affect the overall object1ves or <br />Colorado River system powerplants. In the CRSI', Hoover and Parker-Ilavis <br />lIyatems, like any other electr1cal system, energy must be p,enerated when <br />needed to sa tIsfy customer load requirement". Interchange be tween <br />hydro and adjacent thermal electric generatInp, facilIt1es often mllkes <br />possible the storap,e of surplus energy in the form of water in one of <br />the reservoirs of the hydro system for use in supplying customer loads <br />at a later time. <br /> <br />4. Displacemen t. Contrac tual agreements wi th Sal t laver l'rojec t <br />(SRI') require the exchange of Glen Canyon generation with steam <br />generation at Hayden and Four Corners Po",erplants. Under this <br />arrangement, SRP steam generation is used to supply Colorado l:iver <br />Storage Project (CRSI') po",er requirements in the northern part of the <br />system, and Glen Canyon generation is used to supply srrp loads in <br />southern Arizona. Thus, the requirement for CRSr transmission lines <br />is kept to a minimum and p"",er system losses are reduced. Coordinated <br />operations of Glen Canyon Powerplant and SRP steamplants are needed <br />to effect the desired exchange. <br /> <br />Additional exchanges are made between plants and utilities <br />to control system voltage when unitR are down for m."lintp-nance, to <br />control system po",er flo", problems and to para] leI systems after line <br />outal~eR. During periods "hen large blocks of surplus po"er are <br />svailable. exchanges are made ",ith CRSP plantll to conserve oil-fired <br />r,enerllt1nn. <br /> <br />Theile addHIonal exchanp,es are not norll1<111y planned in advance and <br />are subject to project operating conditIons at the time of implementation. <br /> <br />5. Transmi saion Lines and Loads. The marketing and sales of all <br />energy fro;;;-the Colorado River Storage Proj ec t, Hoover Dam and the <br />Parker-Davis Project are highly dependent on the capacity of transmission <br />facilities. Projected energy generation schedules reflect this limitation. <br /> <br />E. Fisheries--Balls. <br /> <br />Lake l'lead contains a number of varieties of fish, including large- <br />mouth bass, striped bass, trout, coho salmon, thrcadfin shad, crappie, <br /> <br />16 <br />
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