WSP02437

• File Number: 8220.100.50
• Description: CRSP - Power Issues
• Basin: Colorado Mainstem
• Date: 1/1/1982
• Author: West. Sys. Coord. Co
• Title: Western Systems Coordinating Council Ten-Year Coordinated Plan Summary 1982 - 1991
• Water Supply Pro - Doc Type: Publication

26 I
TABLE 14 I
ESTIMATED FIRM PEAK LOADS. RESOURCES
AND RESERVES 1982 - 1991 I
NORTHWEST POWER POOL AREA
SUMMER PEAK ADVERSE HYDRO CONDITIONS
1982 1983 1984 1985 1986 1987. 1988 1989 1990 1991 I
Man th JUN JUN JUN JUN JUN JUN JUN JUN JUN JUN
Firm Load - MW 33542 34686 36224 37770 39312 41114 42358 43686 44952 46304
Growth From Previous Yr. - ~ 7.4 3.4 4.4 4.3 4.1 4.6 3.0 3.1 2.9 3.0 I
Generation t Transfers - MW 52214 53347 56863 59113 63610 67192 68305 70095 71905 72346
Maint./Inoperable Cap. -MW 6264 6474 6430 6528 7516 7696 7410 10698 8724 9163
Reser<e Capability I
MW 12408 12187 14209 14815 16782 18382 18537 15711 18229 16879
Percent of Firm Load 37.0 35.1 39.2 39.2 42.7 44.7 43.8 36.0 40.6 36.5
Average Annual Summer Compound Growth Rate (1981-1991) - 4,O~ I
WINTER PEAK ADVERSE HYDRO CONDITIONS
82-83 83-84 84-85 85-86 86-87 87-88 88-89 89-90 90-91 1991 I
Month JAN JAN JAN JAN JAN JAN JAN JAN JAN OEC
Fi rm Load - MW 44261 46378 48529 50473 52585 54575 56265 58012 59763 60556 I
Growth From Previous Yr. - ~ 14.1 4.8 4.6 4.0 4.2 3.8 3.1 3.1 3.0 1.3
Generation t Transfers - MW 53660 56223 59173 62772 67289 68950 70653 72606 72919 74907
Maint./lnoperable Cap. - MW 2616 2861 3759 2676 3192 3150 3150 3105 3068 3136 I
Reserve Capability
MW 6783 6984 6885 9623 11512 11225 11238 11489 10088 11215
Percent of Firm Load 15.3 15.1 14.2 19.1 21.9 20.6 20.0 19.8 16.9 18.5 I
Average Annual Winter Compound Growth Rate (1981-1991) - 4.6~
TABLE 15 I
SUMMARY OF GENERATION ADDITIONS I
NORTHWEST POWER POOL AREA
(WINTER CAPA8ILITY - MW)
Percent I
10 Yr. of
Generation Type 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 Period Total
Hydro - Conventional 494 965 1251 110 453 320 523 1002 516 B8 5722* 30.9 I
Hydro - Pumped Storage 100 100 0 0 0 0 0 0 0 0 200 1.1
Steam - Coal 0 777 1477 1826 1086 360 B15 830 1000 360 8531* 46.1
Steam - Gas & Oil 0 0 0 -14 0 0 0 0 -92 0 -106 -.6
Nuclear 0 -840 1100 0 2490 0 0 0 0 1275 4025* 21.7 I
Combustion Turbine 0 0 0 0 0 50 0 -6 -32 0 12 .1
Combined Cycle 0 0 0 0 0 0 0 0 0 0 0 .0
Geothennal 0 0 20 0 0 0 0 0 0 0 20 .1 .1
Internal Combustion 0 0 0 0 0 0 -3 0 0 0 -3 -.0
Cogenera ti on 0 3 0 15 0 20 0 20 0 25 83 .4
Other -.IJ. -1f. -.IJ. -.IJ. -.IJ. -.IJ. -.IJ. -.IJ. -.IJ. -.IJ. --E. ----:..?
Total 594 1047 3848 1937 4029 750 1335 1846 1392 1748 .18S26 100.0
* See following page far a summary of significant generation additions.