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<br />use computer-based models to <br />evaluate resource offers from <br />potential suppliers; and <br /> <br />use greater public involvement and <br />more complex evaluation proce. <br />dures and acquisition methods for <br />lonf:>term acquisitions than for <br />short-term acquisitions. <br /> <br />Transmission System <br />Modifications <br /> <br />Western has idenufied transmission <br />system constraints that could affect the <br />acquisition of replacement resources, but <br />dId not mvestigate or identify transmission <br />system modifications needed for any <br />specific acquisition, since no specific long. <br />term acqUISltlon has yet been identified, <br /> <br />\Vestern proposes to: <br /> <br />continue to study CRSP transmis- <br />sion s}'stem modifications that <br />could yield needed improvements <br />in system reliability and capacity; <br /> <br />supplement its studies of potential <br />transmission system modifications <br />when a specilic resource is identi- <br />lied that may result in a least-cost <br />replacement: and <br /> <br />seek authorization and appropria- <br />tions required to construct, or <br />participate in construclion of, <br />identilied cost-effecti\'e transmis. <br />sion projects. <br /> <br />Adjusting Hoover Powerplant <br />Operations <br /> <br />Western has investigated the <br />feasibility of adjustmg operation at Hoover <br />Power Plant to replace all or part of the <br />lost C3pacl~. at Glen Canyon. All Hoover <br />capacity and energy currently available is <br />allocated to Hoover contractors. Pre\ious <br /> <br />work done by Reclamation and Western <br />suggests that small efficiency improve- <br />ments are possible from IUtegrating Glen <br />Canyon and Hoover operations. However, <br />efficiency improvements would result <br />mainly in additional energy, rather than the <br />capacity needed to replace capacity lost <br />at Glen Canyon. <br /> <br />Physical and II1stltullonal barriers <br />would make efficiency improvements <br />difficult to realize, smce Hoover and <br />SLeAflP customers have \\idcly varying <br />interests and physical locations. Allocating <br />efficiency gains among customers would <br />be a complex undertaking. Additionally, <br />transmission system use and losses would <br />increase, lessening the benefits of integra- <br />tion. Complicated and expensive changes <br />to Western and Reclamation control and <br />communications systems would also be <br />required to Integrate the lv.'O power plants. <br /> <br />Western has concluded that adjusting <br />operations at 1I0oHf Power Plant is <br />not a feasible method of replacing lost <br />Clen Canyon capacity. \\'estern <br />proposes to continue monitoring and <br />participating, when appropriate, in any <br />of Reclamation's future investigations <br />of power plant integration. <br /> <br />Additions to Legal Authorities <br /> <br />The methods to acquire replacement <br />resources outlined in this repon can be <br />accomplished \\ithin Western's eXisting <br />authorities to purchase or exchange power <br />in the regional power market. This \\ill be <br />adequate for resource acquisitions in the <br />near term. while regIonal surplus power is <br />assumt.-d to be me:\:penslve and readily <br />available. and may also be adequate o\'er <br />the longer term. <br /> <br />Western IS not currently proposmg <br />acquisitions that would require new legal <br />authontles, so implementlng draft legisla. <br /> <br />~ Physical and institutional <br />barriers would make <br />efficiencyimprovemellts <br />difficulttorealize, since <br />Hooverand SLeMP <br />customershavewid~y <br />vaJ)inginterestsand <br />physicallocalions. <br /> <br />Ell <br />