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<br /> <br />Federal Power CQmmission <br /> <br />Although irrigation energy requirelllent/l for the region 8IIlount to only <br />about 14 percent of the total requirelllents, , in Area II, Arizona, it.8IIlounts <br />to almost 40percent. The irrigation and a:Lr-conditioning loads of this <br />area are pril1larily responsible for the fact: that the peak de!Iland of the <br />region occurs in the SUDImer instead of the winter. <br /> <br />Estimates of Future <br />Power Requirements <br />Esti.lllates of the. region's future electric energy requirelllents were de- <br />veloped by subareas and areas for each of the major custoil18r classifications. <br /> <br />. In making these estimates, considerat~on was given to past trends of <br />use. in each classification, past and estimlj.ted future population, natural <br />resource development anticipated, and the ~.resent and probable future eco- <br />nomic activities in each area. In estimatlls for some classif:l:cations <br />weight was also given to average annual us~ per customer, the present and <br />probable future appliance saturation, and '\;he relative cost of electric <br />power and other energy sources. . <br /> <br />The electric utility energy requireDte~ts of the region are expected <br />to inorease from 13.5 billion kilowtt-.hou:rs in 1955 to 63.1 billion . <br />kilowatt-hours in 1980, an average ~al:l.ncrease of 6.4 percent. Cor- <br />responding peak demands will, it is estiJu.~d, increase from 2,515,000 <br />kilowatts to U,477 ,000 kilowatts. i <br />I <br /> <br />The estimated 1980 power requirements 1 of the electrio utility .ystallll, <br />by areas and the region, and comparable 1955 data, are given in the fol- <br />lowing tabulatiom. . . <br /> <br />(Ener <br /> <br />1955 and Estimated 19BOPower Requireaents <br />. of the Region I s E1e ctJ:jic Utilities <br />Requirements - Million . Peak Demands - 1 000 IV <br />ll9 190 <br />Energy i ileRland Energy IleJiIan(t <br />-, <br /> <br />.Areas <br /> <br />. <br /> <br />. <br /> <br />I Southern Nevada 1,164 j 231 4,401 826 <br />II Arizona 4.076 . 902 20,912 4,290 <br />III Utah 2,637 507 12;084 2,247 <br />IV . Colorado 3,.512 693 16,553 3,265 <br />V Wyoming 740 149 2,825 567 <br />VI New Mexico 1,389, 258 6,373 1,210 <br />Power Market Region 13,5'18 i 2,515 63,148 1l,477 <br /> . <br /> . <br /> -vi- <br />