WSP06539

• File Number: 8220.100.50
• Description: CRSP - Power Issues
• Basin: Colorado Mainstem
• Date: 1/1/1983
• Author: West. Sys. Coord. Co
• Title: Western Systems Coordinating Council Ten-Year Coordinated Plan Summary 1983- 1992
• Water Supply Pro - Doc Type: Publication

26 TABLE 14 I
ESTIMATED FIRM PEAK lOADS, RESOURCES I
AND RESERVES 1983 - 1992
NORTHWEST POWER POOL AREA
SUMMER PEAK ADVERSE HYDRO CONDITIONS I
1983 1984 1985 1986 1987 1988 1989 1990 1991 1992
Month JUN JUN JUN JUN JUN JUN JUN JUN JUN JUN
F1 nn Load - HW 32392 35032 36431 37932 39637 40932 4213i 43358 44626 45734 I
Growth from Previous Yr. - I 3.1 8.2 4.0 4.1 4.5 3.3 2.9 2.9 2.9 2.5
Generation t Transfers . HW 56051 59895 61895 64652 68125 69334 70036 70835 74077 75972
Malnt./lnoperable Cap. -HW 6268 6918 6806 7786 7689 7771 8261 8865 8898 11026 I
Reserve Capab111ty
HW 17391 17945 18658 18934 20799 20631 19644 18612 20553 19212
Percent of F1rm Load 53.7 51.2 51.2 49.9 52.5 50.4 46.6 42.9 46.1 42.0 I
Average Annual Summer Compound Growth Rate (1982-1992) - 3.81
WINTER PEAK ADVERSE HYDRO CONDITIONS 1
83-84 84-85 85-86 86-87 87-88 88-89 89-90 90-91 91-92 1992
Month JAN JAN JAN JAN JAN JAN JAN JAN JAN DEC I
Fi nn Load - HW 44373 46620 48481 50546 52451 53991 55585 57245 58845 59032
Growth from Previous Yr. - I 3.9 5.1 4.0 4.3 3.8 2.9 3.0 3.0 2.8 .3
Generation ~ Transfers - MW 58456 62250 65660 68828 70239 70921 71714 73258 76044 77139 I
Halnt./lnoperab1e Cap. -HW 2369 3259 2113 2528 3693 2453 2453 2453 2453 2507
Reserve Capab1l1ty
HW 11714 12371 15066 15754 14095 14477 13676 13560 14746 15600 I
Percent of F1rm load 26.4 26.5 31.1 31.2 26.9 26.8 24.6 23.7 25.1 26.4
Average Annual W1nter Compound Growth Rate (1982-1992) - 3.31
1
TABLE 15 ]
SUMMARY OF GENERATION ADDITIONS
NORTHWEST POWER POOL AREA
(WINTER CAPABILITY - HW) 1
Percent
10 Yr. of
Generation Type 1983 1984 ~ 1986 1987 1988 1989 1990 1991 1992 Per10d Total ]
Hydro - Conventional 44 1932 85 447 209 50 30 258 1266 715 5036. 30.5
Hydro - Pumped Storage 216 0 0 0 0 0 0 0 0 0 216 1.3
Steam - Coal 846 1477 1316 752 386 360 675 360 860 0 7032. 42.6 1
Steam - Gas & 011 -69 0 0 0 0 0 0 -102 0 0 -171 -1.0
Nuclear 0 1100 0 1240 0 0 0 0 1685 0 4025. 24.4
Combustion Turbine 248 0 0 0 0 0 -56 -32 0 0 160 1.0
Combined Cycle 0 0 0 0 0 0 0 0 0 0 0 .0 ]
Geothermal 0 20 0 0 0 0 0 0 0 0 20 .1
Internal CDmbustlon 0 0 0 0 0 -3 0 0 0 0 -3 .0
Cogeneration 5 15 20 10 10 15 15 15 15 15 135 .8
Other .....s. 0 0 0 0 0 0 0 0 0 ~ .3
Total 1332 4544 1421 2449 605 422 664 499 3826 730 16492 100.0
. See following page for a summary of significant generation adaitions.