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<br /> <br />. '. .Section 3 <br /> <br />Policy Issues and Assumptions <br /> <br />changing conditioiis and other types of capacity resources. While the. immediate focus of <br />the Replacement Resources Process will be on a shorter planning horizon (less than 5 <br />years), replacement resource methodologies and evaluiltion techniques will allow for longer <br />purchases, as well as other types of supply resources. ' <br /> <br />3.2.6 PUBLIC INVOLVEMENT <br /> <br />Public meetings and other opportunities for public input are critical overall components of <br />the Replacement Resources Process and the identification of acceptable replacement power <br />methods. Public consultation during the process i was discussed in Section 1, and <br />documents pertaining to this process are contained in Appendix A. <br /> <br />The level of public involvement in future implementation of the methods identified for <br />screening, evaluation, selection, and negotiation for replacement resources is itself a policy <br />. issue. Public input and involvement is a key component of the Replacement Resources <br />. <br />Process, and will be included to the maximum practical extent consistent with Western's <br />Principles of IRP. SLCAIIP customers and others wilI have the opportunity to comment <br />during appropriate points of the selection process, depending primarily upon the term of <br />replacement. Resource evaluation and acquisition proCess information will be documented <br />and available, subject to confidentiality considerations required by potential suppliers. <br /> <br />3.3 RELATED ISSUES <br /> <br />3.3.1 TRANSMISSION ISSUES <br /> <br />Changes in Western's power. system due to modifications of GCD operations (including the <br />addition of replacement resources), changes in the operation of existing generation, and <br />changes to customer loads (e.g., through the implementation of energy efficiency <br />programs) will all affect Western's transmission sys~em. These changes could improve <br />Western's transmission system operating capability, exacerbate current transmission <br />constraints, or even create new transmission constraints. <br /> <br />The type of replacement resources considered coul,d be designed to intentionally and <br />directly affect Western's transmission system. Transmission modifications could be <br />designed to improve the reliability of power being deliVered or to increase the finn transfer <br />capability of a transmission line. Without knowing the type and source of replacement <br />power to be acquired, the need for and cost of transmission system additions or upgrades <br />cannot be determined. In accordance with its IRP approach, Western will include effects <br />on its transmission system as part of the evaluation ofteplacement resources. <br /> <br />There are several transmission-related issues Western will consider in its evaluation of <br />replacement resources, as outlined below. <br /> <br />3-4 <br /> <br />Western Area Power Administration <br /> <br />March 1998 <br />