L - Alaska Energy Data Inventory

WatanaTABLE C-6-4INVESTMENT COST WITH ARCH DAM AT DEVIL CANYON(in thousands of dollars)Devil Canlon Gravity DamAccumulated Present Worth Accumulated Present WorthYear Expenditure Expenditure IDC Expenditure of Expenditure Expenditure IDC of IDC1984 30,500 1,0481985 107,000 30,500 5,7751986 114,000 137,500 13,3721987 159,000 251,500 22,7561988 218,500 410,500 35,7331989 214,000 629,000 50,6001990 248,000 843,000 66,481n1991 258,000 1,091,000 83,875I 1992 223,000 1,349,000 100,409 32,500 32,500 1,117 1,1170'>I1993 161,000 1,572,000 113,609 61 ,000 61 ,000 32,500 4,331 4,331+::>1994 32,000 1,733,000 120,244 87,000 87,000 93,500 9,419 9,4191995 1,765,000 1,765,000 613,902 113,000 105,731 180,500 16,294 15,2461996 122,000 106,809 203,500 24,372 21,3371997 148,500 121,646 415,500 33,670 27,5811998 101,000 77 ,413 564,000 42,247 32,381665,000 592,009 665,000 131 ,449 111,412Watana Devil Can~on Total Watana & Devil CanyonConstruction Cost $1,765,000 $592,099 $2,357,099I.D.C. 613,902 111,412 725,314Investment Cost $2,378,902 $703,511 $3,082,413Interest and Amortization $ 163,761 $ 48;429 $ 212,190Operation, Maintenance, andReplacement 2,620 700 3,320Average Annual Cost $ 166,381 $ 49,129 $ 215,510