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About PRIS
MILLSTONE-2
Operational
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
CE 2LP (DRYAMB)
Dominion Resources, Inc.
Dominion Energy
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
869
MW
e
870
MW
e
918
MW
e
2700
MW
t
Construction Start Date
First Criticality Date
01 Nov, 1969
17 Oct, 1975
First Grid Connection
Commercial Operation Date
09 Nov, 1975
26 Dec, 1975
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
261.74 TW.h
73.6 %
73.8 %
26.4 %
72.1 %
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
1975
134.700
745
623
1976
4543.200
780
6815
77.6
66.4
66.4
66.3
66.3
1977
4345.700
790
5756
65.7
62.9
64.6
62.8
64.5
1978
4507.200
802
5756
65.7
64.1
64.4
64.2
64.4
1979
4370.900
837
5385
61.5
59.6
63.2
59.6
63.2
1980
4884.300
864
5947
67.7
68.2
64.2
64.4
63.4
1981
6091.700
864
7229
82.5
82.7
67.5
80.5
66.4
1982
5015.600
864
6183
70.6
70.5
67.9
66.3
66.4
1983
2474.400
861
2993
34.2
34.1
63.6
32.8
62.0
1984
6608.340
860
8209
93.4
93.4
67.0
87.5
65.0
1985
3515.650
857
4322
49.3
47.7
65.0
47.7
63.2
1986
5164.850
857
6352
72.5
72.5
65.7
68.8
63.7
1987
6892.530
857
8177
93.3
93.3
68.1
91.8
66.1
1988
5735.940
863
6810
77.5
77.2
68.8
75.9
66.9
1989
4763.570
863
5705
65.1
66.8
68.6
63.0
66.6
1990
5309.940
863
6389
72.9
72.8
68.9
70.2
66.9
1991
3948.130
863
4820
55.0
55.3
68.1
52.2
65.9
1992
2725.020
873
3187
36.3
36.1
66.1
35.6
64.1
1993
6295.910
873
7431
84.8
84.8
67.2
82.3
65.1
1994
3676.450
873
4289
49.0
49.0
66.2
48.1
64.2
1995
2740.540
873
3273
37.4
37.4
64.7
35.8
62.8
1996
1046.480
871
1222
13.9
13.7
62.2
13.7
60.4
1997
0.000
871
0
0.0
0.0
59.4
0.0
57.6
1998
0.000
871
0
0.0
0.0
56.7
0.0
55.0
1999
4433.220
870
5310
60.6
60.6
56.9
58.2
55.1
2000
6268.500
873
7353
83.7
83.7
58.0
81.8
56.2
2001
7284.020
869
8587
98.0
98.0
59.6
95.4
57.8
2002
6209.310
871
7285
83.2
83.2
60.4
81.5
58.7
2003
6109.800
866
7083
80.9
80.9
61.2
80.2
59.4
2004
7596.040
877
8677
98.8
98.8
62.5
98.7
60.8
2005
6843.020
866
7812
89.2
89.2
63.4
90.2
61.8
2006
6519.460
882
7453
85.1
85.1
64.1
84.4
62.6
2007
7686.760
877
8760
100.0
100.0
65.3
100.1
63.8
2008
6619.590
877
7596
86.5
86.5
65.9
85.9
64.4
2009
6239.170
877
7196
82.2
82.2
66.4
81.2
65.0
2010
7414.570
869
8547
97.6
97.6
67.3
97.4
65.9
2011
6601.010
869
7620
87.0
87.2
67.9
86.7
66.5
2012
6342.840
869
7363
83.8
83.8
68.3
83.1
66.9
2013
7578.990
869
8711
99.4
99.4
69.1
99.6
67.8
2014
6518.710
869
7534
86.0
86.8
69.6
85.6
68.2
2015
6775.630
869
7860
89.7
89.7
70.1
89.0
68.8
2016
7469.890
869
8725
99.3
99.3
70.8
97.9
69.5
2017
6798.760
869
7953
90.8
90.8
71.3
89.3
70.0
2018
6163.600
869
7251
82.8
82.8
71.6
81.0
70.2
2019
7257.730
869
8637
98.6
98.6
72.2
95.3
70.8
2020
6690.500
869
7748
88.2
88.2
72.6
87.6
71.2
2021
6733.750
869
8009
91.4
91.4
73.0
88.5
71.6
2022
7477.470
869
8612
98.3
98.3
73.5
98.2
72.1
2023
5476.380
869
6681
76.3
76.1
73.6
71.9
72.1
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-10-03
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