Skip to content
Skip to navigation
Contact Us
IAEA.org
NUCLEUS
World Statistics
Country Statistics
Publications
Glossary
About PRIS
PILGRIM-1
Permanent Shutdown
Reactor Details
Reactor Type
Model
Owner
Operator
BWR
BWR-3 (Mark 1)
Entergy Nuclear Operations, Inc.
Entergy Nuclear Operations, Inc.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
677
MW
e
655
MW
e
711
MW
e
2028
MW
t
Construction Start Date
First Criticality Date
26 Aug, 1968
16 Jun, 1972
First Grid Connection
Commercial Operation Date
19 Jul, 1972
01 Dec, 1972
Permanent Shutdown Date
31 May, 2019
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
193.55 TW.h
74.8 %
75.8 %
25.2 %
70.6 %
Lifetime performance calculated up to year
2019
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
1972
889.200
687
1875
68.7
100.0
100.0
59.6
59.6
1973
4074.200
655
7574
86.5
88.1
89.1
71.0
70.1
1974
1973.100
670
3435
39.2
39.2
64.9
33.6
52.4
1975
2587.300
668
6239
71.2
44.1
58.2
44.2
49.8
1976
2415.500
665
5330
60.7
41.1
54.0
41.4
47.7
1977
2652.200
670
5379
61.4
45.2
52.2
45.2
47.2
1978
4376.700
669
7276
83.1
74.8
56.0
74.7
51.7
1979
4844.600
670
7828
89.4
82.5
59.7
82.5
56.1
1980
3044.100
670
4952
56.4
56.5
59.3
51.7
55.6
1981
3444.100
670
5767
65.8
66.0
60.0
58.7
55.9
1982
3287.100
670
5597
63.9
64.1
60.4
56.0
55.9
1983
4711.900
670
7640
87.2
87.3
62.9
80.3
58.1
1984
3.520
663
34
0.4
1.4
57.8
0.1
53.3
1985
4950.970
670
8013
91.5
91.5
60.3
84.6
55.7
1986
1027.530
670
1646
18.8
18.8
57.4
17.5
53.0
1987
0.000
670
0
0.0
0.0
53.6
0.0
49.4
1988
0.000
670
0
0.0
0.0
50.2
0.0
46.4
1989
1707.760
670
4919
56.2
56.3
50.6
29.1
45.4
1990
4243.220
670
6784
77.4
77.5
52.1
72.3
46.8
1991
3424.540
670
5572
63.6
63.7
52.7
58.4
47.4
1992
4741.970
670
7400
84.2
84.3
54.3
80.6
49.1
1993
4340.780
670
6880
78.5
78.6
55.4
74.0
50.3
1994
3824.080
670
6069
69.3
69.4
56.0
65.2
51.0
1995
4485.850
670
6962
79.5
79.5
57.1
76.4
52.1
1996
5324.340
670
8345
95.0
95.0
58.6
90.5
53.7
1997
4310.430
670
6840
78.1
78.1
59.4
73.4
54.4
1998
5698.410
670
8760
100.0
100.0
61.0
97.1
56.1
1999
4473.330
670
7141
81.5
81.6
61.7
76.2
56.8
2000
5512.250
670
8454
96.2
96.3
63.0
93.7
58.1
2001
5144.040
653
7884
90.0
90.0
63.9
89.0
59.2
2002
5769.070
653
8760
100.0
100.0
65.1
100.8
60.5
2003
4977.180
684
7548
86.2
85.8
65.7
84.6
61.3
2004
5939.280
684
8721
99.3
99.3
66.8
98.8
62.5
2005
5474.030
685
8166
93.2
93.2
67.6
91.2
63.4
2006
5829.210
685
8684
99.1
99.1
68.6
97.1
64.4
2007
5119.790
685
7774
88.7
88.8
69.2
85.3
65.0
2008
5868.960
685
8656
98.5
98.6
70.0
97.5
66.0
2009
5396.020
684
8012
91.5
91.5
70.6
90.1
66.6
2010
5917.810
685
8760
100.0
100.0
71.4
98.6
67.5
2011
5085.180
685
7710
88.0
88.0
71.8
84.7
67.9
2012
5876.650
677
8714
99.2
99.2
72.5
98.8
68.7
2013
4326.480
677
6796
77.6
81.2
72.7
72.9
68.8
2014
5769.150
677
8640
98.6
98.6
73.3
97.3
69.5
2015
4993.300
677
7507
85.7
85.7
73.6
84.2
69.8
2016
5412.830
677
8222
93.6
93.6
74.1
91.0
70.3
2017
5046.840
677
7658
87.4
85.6
74.3
85.1
70.6
2018
4440.990
677
7265
82.9
84.4
74.6
74.9
70.7
2019
1398.010
677
2159
59.6
100.0
74.8
57.0
70.6
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2025-02-15
Previous
(PERRY-1)
(PIQUA)
Next
UNITED STATES OF AMERICA
ANO-1
ANO-2
BEAVER VALLEY-1
BEAVER VALLEY-2
BIG ROCK POINT
BONUS
BRAIDWOOD-1
BRAIDWOOD-2
BROWNS FERRY-1
BROWNS FERRY-2
BROWNS FERRY-3
BRUNSWICK-1
BRUNSWICK-2
BYRON-1
BYRON-2
CALLAWAY-1
CALVERT CLIFFS-1
CALVERT CLIFFS-2
CATAWBA-1
CATAWBA-2
CLINTON-1
COLUMBIA
COMANCHE PEAK-1
COMANCHE PEAK-2
COOK-1
COOK-2
COOPER
CRYSTAL RIVER-3
CVTR
DAVIS BESSE-1
DIABLO CANYON-1
DIABLO CANYON-2
DRESDEN-1
DRESDEN-2
DRESDEN-3
DUANE ARNOLD-1
ELK RIVER
FARLEY-1
FARLEY-2
FERMI-1
FERMI-2
FITZPATRICK
FORT CALHOUN-1
FORT ST. VRAIN
GE VALLECITOS
GINNA
GRAND GULF-1
HADDAM NECK
HALLAM
HARRIS-1
HATCH-1
HATCH-2
HOPE CREEK-1
HUMBOLDT BAY
INDIAN POINT-1
INDIAN POINT-2
INDIAN POINT-3
KEWAUNEE
LACROSSE
LASALLE-1
LASALLE-2
LIMERICK-1
LIMERICK-2
MAINE YANKEE
MCGUIRE-1
MCGUIRE-2
MILLSTONE-1
MILLSTONE-2
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
PALO VERDE-2
PALO VERDE-3
PATHFINDER
PEACH BOTTOM-1
PEACH BOTTOM-2
PEACH BOTTOM-3
PERRY-1
PILGRIM-1
PIQUA
POINT BEACH-1
POINT BEACH-2
PRAIRIE ISLAND-1
PRAIRIE ISLAND-2
QUAD CITIES-1
QUAD CITIES-2
RANCHO SECO-1
RIVER BEND-1
ROBINSON-2
SALEM-1
SALEM-2
SAN ONOFRE-1
SAN ONOFRE-2
SAN ONOFRE-3
SAXTON
SEABROOK-1
SEQUOYAH-1
SEQUOYAH-2
SHIPPINGPORT
SHOREHAM
SOUTH TEXAS-1
SOUTH TEXAS-2
ST. LUCIE-1
ST. LUCIE-2
SUMMER-1
SURRY-1
SURRY-2
SUSQUEHANNA-1
SUSQUEHANNA-2
THREE MILE ISLAND-1
THREE MILE ISLAND-2
TROJAN
TURKEY POINT-3
TURKEY POINT-4
VERMONT YANKEE
VOGTLE-1
VOGTLE-2
VOGTLE-3
VOGTLE-4
WATERFORD-3
WATTS BAR-1
WATTS BAR-2
WOLF CREEK
YANKEE NPS
ZION-1
ZION-2