MILLSTONE-3

Operational


Reactor Details

Reactor Type Model Owner Operator
PWR
WH 4LP (DRYSUB)
Dominion Resources, Inc.
Dominion Energy
Reference Unit Power (Net Capacity) Design Net Capacity Gross Capacity Thermal Capacity
1210 MWe
1159 MWe
1280 MWe
3650 MWt
Construction Start Date First Criticality Date
09 Aug, 1974
23 Jan, 1986
First Grid Connection Commercial Operation Date
12 Feb, 1986
23 Apr, 1986

LifeTime Performance

Electricity Supplied Energy Availability Factor Operation Factor Energy Unavailability Factor Load Factor
310.53 TW.h
81.9 %
81.0 %
18.1 %
80.4 %
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
1986 Data Not Provided
1987 6748.200 1142 6235 71.2 71.4 71.4 67.5 67.5
1988 7683.620 1142 6954 79.2 79.5 75.4 76.6 72.0
1989 7082.600 1142 6636 75.8 75.9 75.6 70.8 71.6
1990 8218.240 1137 7798 89.0 89.2 79.0 82.5 74.3
1991 2876.710 1137 2850 32.5 33.6 69.9 28.9 65.3
1992 6593.810 1137 6311 71.8 72.1 70.3 66.0 65.4
1993 6502.830 1137 6106 69.7 70.2 70.3 65.3 65.4
1994 9416.150 1137 8426 96.2 96.3 73.5 94.5 69.0
1995 7993.620 1137 7083 80.9 81.2 74.4 80.3 70.3
1996 2476.710 1137 2156 24.5 25.7 69.5 24.8 65.7
1997 0.000 1137 0 0.0 0.0 63.2 0.0 59.8
1998 3392.060 1137 3402 38.8 38.9 61.2 34.1 57.6
1999 8307.550 1140 7329 83.7 83.7 62.9 83.2 59.6
2000 10125.720 1154 8784 100.0 100.0 65.6 100.1 62.5
2001 8169.690 1136 7392 84.4 84.3 66.8 81.4 63.8
2002 8746.210 1130 7803 89.1 89.0 68.2 88.1 65.3
2003 10005.700 1130 8729 99.6 99.6 70.0 101.1 67.4
2004 8983.700 1148 7905 90.0 90.1 71.2 89.9 68.6
2005 8766.990 1131 7677 87.6 87.6 72.0 88.5 69.7
2006 10111.100 1155 8760 100.0 100.0 73.4 99.9 71.2
2007 8699.380 1145 7694 87.8 87.7 74.1 86.7 71.9
2008 8850.300 1145 7739 88.1 88.1 74.8 88.0 72.7
2009 10418.220 1137 8470 96.7 96.7 75.7 104.6 74.1
2010 9335.740 1233 7623 87.0 88.0 76.3 86.4 74.6
2011 9365.730 1233 7674 87.6 87.6 76.8 86.7 75.1
2012 10776.490 1218 8784 100.0 100.0 77.7 100.7 76.2
2013 9542.430 1210 7803 89.1 89.0 78.1 89.9 76.7
2014 9360.530 1218 7676 87.6 90.0 78.6 87.7 77.1
2015 10677.970 1229 8760 100.0 100.0 79.4 99.2 77.9
2016 9140.320 1229 7539 85.8 85.8 79.6 84.7 78.2
2017 9740.290 1229 7972 91.0 91.0 80.0 90.5 78.6
2018 10758.280 1210 8760 100.0 100.0 80.6 101.5 79.3
2019 9516.620 1210 7834 89.4 89.4 80.9 89.8 79.7
2020 9024.350 1210 7438 84.7 85.1 81.0 84.9 79.8
2021 10265.200 1210 8459 96.6 96.6 81.5 96.8 80.3
2022 9046.540 1210 7380 84.2 91.9 81.8 85.4 80.5
2023 8234.860 1210 6827 77.9 85.8 81.9 77.7 80.4
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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