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<br />SUt-tMARY OF r:CONOI-lIC EVALUATION
<br />
<br />7.S PERCENT INTEREST RATE (100 YEAR fRRIOD - 1982 PRIceSf
<br />(In Thousands of Dollars)
<br />
<br />Alternat:ive 1
<br />Grey Mo~ntain
<br />Only
<br />
<br />Al ternative 8
<br />P.lkhorn
<br />only
<br />
<br />Alternative 2
<br />Idylwilde-
<br />Grey Mountain
<br />
<br />Alternative 7
<br />Elkhorn-
<br />New Seaman
<br />
<br />COSTS
<br />Total Project Coat
<br />Total Capital Cost
<br />Interest During Construction
<br />Total Economic Investment Cost
<br />Annualized Economic Inveat~ent Coat
<br />Annual O,M,&R Cost
<br />Total Annual F~onomic Cost
<br />
<br />Annual O,M,&R Cost
<br />Annual Economic Coat
<br />
<br />130,aOO 109,600 400,800 354,300
<br />~ ~ ~ 53,145
<br />145,515 121,930 ~ 407,445
<br />10,9;l0 9,150 34,590 30,5ao
<br />~ ~ ~ --1.ill.Q
<br />11,120 9,385 36,280 31,740
<br />
<br />6,860 8,040 8,420 6,310
<br />~ 605 ~ ~
<br />7,315 8,645 9,050 6,785
<br />555 650 680 510
<br />155 190 220 175
<br />712 840 900 685
<br />-'
<br />123,940 101,560 123,940 101,560
<br />~~ ~ ~ ~
<br />137 ,88~ 112,985 137,885 112,985
<br />10,350 8,480 10,350 8,41'10
<br />-----1!! --!O ---.i1 ---i2
<br />10,395 8,525 10,395 8.525
<br />n/8 n/a 268,440 246,430
<br />n/' n/a 40,265 36,965
<br />n/' n/a 308,705 ~
<br />nN nla 23,170 21,270
<br />nN nla ~ 940
<br />n/' nla 24,S95 22.210
<br />=
<br />
<br />Separable Cost of Run of-River Hydro
<br />Capital Cost
<br />Interest During Construction
<br />Total E~onomic Invest~ent Cost
<br />Annualized Economic InvestJl\ent Cost
<br />Annual O,M,&R Cost
<br />Annual Economic Cost
<br />
<br />Base Conservation Storage Cost
<br />Capital Cost
<br />Interest During Construct~n
<br />Total Economic Investment Cost
<br />Annualized Economic Investment Cost
<br />
<br />Separable Cost of Peaking Power
<br />Capital COst
<br />Interest During Construction
<br />Total Economic Investment COst
<br />Annualized Economic Investment Cost
<br />Annual O,M,&R Cost
<br />Annual Economic Cost
<br />
<br />BENEFITS-ANNt1AL
<br />Conservation Purposes
<br />Municipal and Industrial Water Supply
<br />Improved System Management
<br />Supplemental Irrigation Wat@r ~upplv
<br />Subtotal (Conservation Purposes)
<br />Run-af-River Hydro
<br />
<br />Total Annual Benefits
<br />
<br />3,060 3,060 3,060 3,060
<br />250 250 250 250
<br />480 430 420 390
<br />3,790 3,740 3,730 3,700
<br />~ 3,070 3,050 2,650
<br />6,550 6,810 n/. nla
<br />
<br />0.59 0.73 n/a nla
<br />0.36 0.44 nla n/.
<br />-6,605 -4,78S nla n/a
<br />3.89 3.65 3.39 3.87
<br />n/. n/a 24,595 ,22,210
<br />n/. nla 238 281
<br />n/. nla 135 135
<br />
<br />ECONOMIC AN~LYSES
<br />Total Project Benefit-Cost Ratio
<br />Benefit-COst Ratio for Conservation Pur.poses
<br />Net Annual Benefits for Conservation Purposes
<br />,
<br />Incremental Renefit-Cost Ratio for Run-of-River
<br />Flreak-Even Value for Peaking Power (Annual)
<br />Dollars per Kilowatt-Year
<br />Mills per Kilowatt-Hour
<br />
<br />965-17-7-SPercent
<br />
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