L - Alaska Energy Data Inventory

WatanaTABLE C-6-3INVESTMENT COST WITH 5% DISCOUNT RATE(in thousands of dollars)Devil Canton Gravitt DamAccumulated Present Worth Accumulated Present WorthYear Expenditure Expenditure IDC Expenditure of Expenditure Expenditure IDC of DC1984 30,500 7631985 107,000 30,500 4,2001986 114,000 137,500 9,7251987 159,000 251,500 16,5501988 218,500 410,500 25,9881989 214,000 629,000 36,8001990 248,000 843,000 48,3501991 258,000 1,091,000 61,000("")1992 223,000 1,349,000 73,025 39,000 39,000 975 975I0\1993 161,000 1,572,000 82,625 98,500 98,500 39,000 4,413 4,413Iw 1994 32,000 1,733,000 87,450 117,000 117,000 137,500 9,800 9,8001995 1,765,000 1,765,000 446,476 137,000 130,476 254,500 19,575 18,6431996 144,000 130,612 391 ,500 23,175 21,0201997 158,000 136,486 535,500 30,725 26,5411998 129,500 106,540 693,500 37,913 31,191823,000 758,614 823,000 126,576 112,583Watana Devil Canton Total Watana & Devi 1 Can,lonConstruction Cost $1,765,000 $758,614 $2,523,6141.D.C. 446,476 112,583 559,059Investment Cost $2,211,476 $871,197 $3,082,673Interest and Amortization $ 111 ,421 $ 43,894 $ 155,315Operation, Maintenance, andReplacement 2,620 700 3,320Average Annual Cost $ 114,041 $ 44,594 $ 158,635