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About PRIS
MONTICELLO
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
BWR
BWR-3 (Mark 1)
Xcel Energy
Northern States Power Co. (subsidiary of Xcel Energy)
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
628
MW
e
545
MW
e
691
MW
e
2004
MW
t
Construction Start Date
First Criticality Date
19 Jun, 1967
10 Dec, 1970
First Grid Connection
Commercial Operation Date
05 Mar, 1971
30 Jun, 1971
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
215.77 TW.h
86.4 %
85.3 %
13.6 %
82.6 %
Lifetime performance calculated up to year
2023
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
1971
1465.900
568
3357
59.1
100.0
100.0
50.2
50.2
1972
3717.900
580
6975
79.4
100.0
100.0
73.0
65.5
1973
3271.600
580
6242
71.3
100.0
100.0
64.4
65.0
1974
2925.200
538
6567
75.0
75.0
93.2
62.1
64.2
1975
2881.400
538
6322
72.2
61.0
86.4
61.1
63.6
1976
3986.200
537
8033
91.4
84.3
86.0
84.5
67.3
1977
3570.700
536
7001
79.9
76.0
84.5
76.0
68.6
1978
3856.200
536
7638
87.2
81.7
84.1
82.1
70.3
1979
4399.700
536
8549
97.6
93.4
85.2
93.7
73.0
1980
3455.500
536
6876
78.3
78.2
84.5
73.4
73.0
1981
3262.300
536
6362
72.6
72.3
83.4
69.5
72.7
1982
2425.100
525
5543
63.3
62.2
81.6
52.7
71.0
1983
4147.700
525
8438
96.3
96.3
82.7
90.2
72.5
1984
279.130
525
808
9.2
9.2
77.4
6.0
67.7
1985
4286.990
536
8028
91.6
91.6
78.4
91.3
69.4
1986
3379.910
536
6926
79.1
78.8
78.4
72.0
69.5
1987
3535.620
536
7051
80.5
80.2
78.5
75.3
69.9
1988
4573.580
536
8759
99.7
99.7
79.7
97.1
71.4
1989
2650.400
536
6578
75.1
74.7
79.5
56.4
70.6
1990
4505.930
536
8414
96.0
96.0
80.3
96.0
71.9
1991
3596.530
536
6996
79.9
79.6
80.3
76.6
72.1
1992
4453.670
536
8527
97.1
97.0
81.0
94.6
73.2
1993
3864.380
536
7322
83.6
83.4
81.2
82.3
73.6
1994
3956.180
536
7508
85.7
85.6
81.3
84.3
74.0
1995
4756.260
536
8760
100.0
100.0
82.1
101.3
75.1
1996
3872.940
544
7443
84.7
84.8
82.2
81.4
75.4
1997
3661.600
544
6609
75.4
75.2
81.9
76.8
75.4
1998
4118.930
578
7659
87.4
87.7
82.2
84.9
75.8
1999
4649.340
578
8092
92.4
92.4
82.5
91.8
76.4
2000
4251.420
578
7332
83.5
83.5
82.6
83.7
76.6
2001
3880.580
578
6774
77.3
76.9
82.4
76.6
76.6
2002
5015.560
578
8620
98.4
98.4
82.9
99.1
77.4
2003
4592.460
578
7969
91.0
90.7
83.2
90.7
77.8
2004
5034.880
578
8689
98.9
98.9
83.7
99.2
78.5
2005
4474.920
569
7826
89.3
89.4
83.8
89.8
78.8
2006
5072.590
572
8760
100.0
100.0
84.3
101.2
79.5
2007
4192.270
572
7327
83.6
83.7
84.3
83.7
79.6
2008
4878.020
572
8398
95.6
95.6
84.6
97.1
80.1
2009
4144.690
572
7421
84.7
84.7
84.6
82.7
80.2
2010
4695.110
572
8504
97.1
97.1
84.9
93.7
80.5
2011
3358.490
572
6045
69.0
69.0
84.5
67.0
80.2
2012
4890.370
578
8552
97.4
97.4
84.8
96.3
80.6
2013
2998.280
578
5419
61.8
61.9
84.3
59.2
80.1
2014
4323.970
647
8304
94.8
94.8
84.6
76.3
80.0
2015
4663.530
647
7407
84.6
84.6
84.6
82.3
80.0
2016
5597.760
647
8784
100.0
100.0
85.0
98.5
80.5
2017
5159.590
647
8051
91.9
91.9
85.1
91.0
80.8
2018
5618.020
628
8691
99.2
99.2
85.5
102.1
81.3
2019
4964.570
628
8023
91.6
91.6
85.6
90.2
81.5
2020
5593.310
628
8783
100.0
100.0
85.9
101.4
81.9
2021
5011.010
628
7962
90.9
90.9
86.0
91.1
82.1
2022
5545.270
628
8683
99.1
99.1
86.3
100.8
82.5
2023
4793.500
628
7662
87.5
89.8
86.4
87.1
82.6
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2025-02-15
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BIG ROCK POINT
BONUS
BRAIDWOOD-1
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BYRON-1
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COMANCHE PEAK-1
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COOK-1
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CVTR
DAVIS BESSE-1
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GE VALLECITOS
GINNA
GRAND GULF-1
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HOPE CREEK-1
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INDIAN POINT-1
INDIAN POINT-2
INDIAN POINT-3
KEWAUNEE
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LASALLE-1
LASALLE-2
LIMERICK-1
LIMERICK-2
MAINE YANKEE
MCGUIRE-1
MCGUIRE-2
MILLSTONE-1
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MILLSTONE-3
MONTICELLO
NINE MILE POINT-1
NINE MILE POINT-2
NORTH ANNA-1
NORTH ANNA-2
OCONEE-1
OCONEE-2
OCONEE-3
OYSTER CREEK
PALISADES
PALO VERDE-1
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PERRY-1
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VOGTLE-1
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VOGTLE-3
VOGTLE-4
WATERFORD-3
WATTS BAR-1
WATTS BAR-2
WOLF CREEK
YANKEE NPS
ZION-1
ZION-2