PRAIRIE ISLAND-1

(Operational)


Reactor Details

Reactor Type Model Owner Operator
PWR
W (2-loop) DRYAMB
Xcel Energy
Northern States Power Co. (Subsidiary Of Xcel Energy)
Reference Unit Power (Net Capacity) Design Net Capacity Gross Capacity Thermal Capacity
522 MWe
530 MWe
566 MWe
1677 MWt
Construction Start Date First Criticality Date First Grid Connection Commercial Operation Date
25 Jun, 1968
01 Dec, 1973
04 Dec, 1973
16 Dec, 1973

LifeTime Performance

Electricity Supplied Energy Availability Factor Operation Factor Energy Unavailability Factor Load Factor
150.52 TW.h
86.1 %
86.8 %
13.9 %
85.3 %
Lifetime performance calculated up to year 2012

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
1973 7.200 520 312
1974 1452.200 520 3848 43.9 44.0 44.0 31.9 31.9
1975 3694.200 520 7560 86.3 81.2 62.6 81.1 56.5
1976 3268.700 520 6801 77.4 71.6 65.6 71.6 61.5
1977 3714.500 511 7453 85.1 82.9 69.8 83.0 66.8
1978 3810.700 507 8012 91.5 85.9 73.0 85.8 70.6
1979 2910.900 503 6402 73.1 65.8 71.8 66.1 69.8
1980 3105.700 503 6863 78.1 77.8 72.7 70.3 69.9
1981 3838.600 503 7803 89.1 88.9 74.7 87.1 72.0
1982 3918.000 503 7960 90.9 90.9 76.4 88.9 73.8
1983 3888.900 503 7621 87.0 87.2 77.5 88.3 75.3
1984 4159.390 503 8285 94.3 94.3 79.0 94.1 77.0
1985 3678.450 503 7333 83.7 83.4 79.4 83.5 77.5
1986 3819.560 503 7870 89.8 89.6 80.2 86.7 78.2
1987 3590.270 503 7232 82.6 82.2 80.3 81.5 78.4
1988 3823.390 503 7800 88.8 89.3 80.9 86.5 79.0
1989 4392.280 503 8737 99.7 99.8 82.1 99.7 80.3
1990 3829.680 503 7764 88.6 81.7 82.0 86.9 80.6
1991 3987.080 503 7943 90.7 90.5 82.5 90.1 81.2
1992 3497.780 503 6844 77.9 77.4 82.2 79.2 81.1
1993 4377.990 513 8480 96.8 96.8 83.0 98.9 82.0
1994 3718.200 513 7258 82.8 82.8 83.0 82.7 82.0
1995 4519.040 513 8752 99.9 99.9 83.8 100.6 82.8
1996 3741.650 513 7327 83.4 92.2 84.1 83.0 82.8
1997 3522.800 513 6965 79.5 79.5 83.9 78.4 82.7
1998 4209.160 526 7948 90.7 90.8 84.2 93.5 83.1
1999 4068.780 522 7643 87.2 87.2 84.3 89.0 83.3
2000 4536.510 522 8499 96.8 96.7 84.8 98.9 83.9
2001 3641.740 522 6890 78.6 78.8 84.6 79.6 83.8
2002 4373.230 522 8268 94.4 94.4 84.9 95.6 84.2
2003 4596.350 522 8619 98.4 98.4 85.4 101.0 84.8
2004 3602.140 522 7017 79.9 79.9 85.2 78.6 84.6
2005 4518.400 522 8465 96.6 96.7 85.6 98.8 85.0
2006 4103.240 523 7785 88.9 88.9 85.7 89.6 85.2
2007 4457.090 551 8472 96.7 96.7 86.0 92.3 85.4
2008 4059.450 551 7780 88.6 88.6 86.1 83.9 85.3
2009 3600.150 551 6923 79.0 79.0 85.9 74.6 85.0
2010 4654.860 560 8760 100.0 100.0 86.3 96.0 85.3
2011 4128.390 521 7717 88.1 87.7 86.3 87.2 85.4
2012 3705.980 522 6961 79.2 79.3 86.1 80.8 85.3
Performance indicators are calculated from the Commercial Operation Date.


Above data are from the PRIS database. Last update on 2013-05-24

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