FORT ST. VRAIN

Permanent Shutdown


Reactor Details

Reactor Type Model Owner Operator
HTGR
PUBLIC SERVICE CO. OF COLORADO
Reference Unit Power (Net Capacity) Design Net Capacity Gross Capacity Thermal Capacity
330 MWe
330 MWe
342 MWe
842 MWt
Construction Start Date First Criticality Date
01 Sep, 1968
31 Jan, 1974
First Grid Connection Commercial Operation Date
11 Dec, 1976
01 Jul, 1979
Permanent Shutdown Date
29 Aug, 1989

LifeTime Performance

Electricity Supplied Energy Availability Factor Operation Factor Energy Unavailability Factor Load Factor
5.42 TW.h
30.6 %
31.1 %
69.4 %
15.2 %
Lifetime performance calculated up to year 1989

Operating History

Year Electricity Supplied
[GW.h] 		Reference Unit Power
[MW] 		Annual Time On Line
[h] 		Operation Factor
[%] 		Energy Availability Factor
[%] 		Load Factor
[%]
Annual Cumulative Annual Cumulative
1976 17.500 330 0
1977 226.100 330 2930
1978 609.200 330 4505
1979 224.800 330 1640 22.2 8.5 8.5 8.5 8.5
1980 675.200 330 4707 53.6 54.0 38.7 23.3 18.3
1981 755.000 330 4210 48.1 48.9 42.8 26.1 21.4
1982 589.300 330 3263 37.2 37.6 41.3 20.4 21.1
1983 760.000 330 4626 52.8 53.2 44.0 26.3 22.3
1984 84.330 330 659 7.5 7.5 37.3 2.9 18.8
1985 0.000 330 0 0.0 0.0 31.6 0.0 15.9
1986 76.070 330 1086 12.4 12.4 29.0 2.6 14.1
1987 187.970 330 2028 23.2 23.2 28.4 6.5 13.2
1988 672.990 330 3486 39.7 39.7 29.5 23.2 14.3
1989 541.290 330 2703 46.4 46.4 30.6 28.1 15.2
Performance indicators are calculated from the Commercial Operation Date.


Above data generated by the PRIS database. Last update on 2025-04-22


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