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<br /> <br />CAP X 2020 <br />INTERIM REpORT <br />DECEMBER 2004 <br /> <br />foresee continuing growth in the state's population, economy and <br />'city, Through 2020, Minnesota electric utilities predict an annual average <br />Orners' demand for electricity of2.49 percent,2 far above the national <br />, crit per year.~ Meeting this increased demand is expected to require an <br />';'Watts of generating capacity. To provide context for this amount, the <br />tationin Minnesota - the Sherburne County (Sherco) plant near Becker- <br />'pproximately2,300 megawatts of generating capacity. <br /> <br />projected increased need for electric generating capacity, customers' <br />~quality has increased. Sophisticated electrical equipment and new <br />'(frs, such as high-speed data processing centers, require highly reliable <br />'it~;; To meet these requirements, transmission and distribution infrastructure <br />'~~t()meet increasingly higher power quality standards. <br /> <br />viii~s further background and detail regarding customer requirements and <br />"dsin Attachment A. <br /> <br />" SYSTEM <br />':fLhuilt inthe 1960s and '70s, the high voltage transmission facilities (230 <br />'4~~ove) act as the supporting structure, or backbone, of the bulk electric system, <br />:.;,'City from power plants to load centers. The system is designed to maintain <br />,,'[evenw.hen faced with various contingencies that arise due to weather or other <br />':,'~ftemp6rarily may remove a particular transmission facility from service. The <br />,;'qtthese facilities were built in the 1970s, with the last of this class built in <br />id~;~ith,construction of Unit 3 at the Sherco power plant, which began operating in <br />:;\~~~:/"; ':": ' <br /> <br />studies include information from the following utilities: Alliant Energy, Great River Energy, <br />Power Cooperative, Minnesota Power, Missouri R.i ver Energy Services, Otter Tail Power Company, <br />Municipal Power AgencyIRochester Public Utilities and XceI Energy. <br />growth in electric sales for 2002.2025 (1LttPJL':Y~~;"iil,(h~~..g~illq,f/aeQi~ectn.fit.y.hJ!:T\D <br /> <br />4 <br />