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About PRIS
TOMARI-2
Suspended Operation
Reactor Details
Reactor Type
Model
Owner
Operator
PWR
M (2-loop)
HOKKAIDO ELECTRIC POWER CO., INC.
HOKKAIDO ELECTRIC POWER CO., INC.
Reference Unit Power (Net Capacity)
Design Net Capacity
Gross Capacity
Thermal Capacity
550
MW
e
550
MW
e
579
MW
e
1650
MW
t
Construction Start Date
First Criticality Date
13 Jun, 1985
25 Jul, 1990
First Grid Connection
Commercial Operation Date
Suspended Operation Date
27 Aug, 1990
12 Apr, 1991
26 Aug, 2011
LifeTime Performance
Electricity Supplied
Energy Availability Factor
Operation Factor
Energy Unavailability Factor
Load Factor
83.57 TW.h
55.1 %
55.3 %
44.9 %
55.9 %
Lifetime performance calculated up to year
2021
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
1990
675.200
550
2001
1991
3277.780
550
6061
76.9
76.0
76.0
76.0
76.0
1992
3639.560
550
6756
76.9
75.5
75.7
75.3
75.6
1993
3847.520
550
7092
81.0
80.0
77.3
79.9
77.2
1994
4511.590
550
8232
94.0
93.9
81.7
93.6
81.6
1995
4161.850
550
7567
86.4
85.6
82.5
86.4
82.6
1996
3933.630
550
7232
82.3
81.5
82.4
81.4
82.4
1997
3775.230
550
6943
79.3
78.5
81.8
78.4
81.8
1998
5071.630
550
8760
100.0
100.0
84.1
105.3
84.8
1999
4273.160
550
7344
83.8
83.8
84.1
88.7
85.2
2000
4107.460
550
7477
85.1
85.1
84.2
85.0
85.2
2001
3971.260
550
7235
82.6
82.6
84.0
82.4
85.0
2002
4516.130
550
8228
93.9
93.9
84.9
93.7
85.7
2003
3542.020
550
6300
71.9
71.9
83.9
73.5
84.8
2004
3864.740
550
6862
78.1
78.1
83.4
80.0
84.4
2005
4252.610
550
7571
86.4
86.0
83.6
88.3
84.7
2006
4316.860
550
7704
88.0
87.9
83.9
89.6
85.0
2007
4663.240
550
8339
95.2
94.8
84.5
96.8
85.7
2008
3018.250
550
5411
61.6
61.4
83.2
62.5
84.4
2009
3436.450
550
6131
70.0
69.6
82.5
71.3
83.7
2010
4043.320
550
7232
82.6
82.1
82.5
83.9
83.7
2011
3194.680
550
5688
64.9
64.9
81.6
66.3
82.8
2012
0.000
550
0
0.0
0.0
77.9
0.0
79.0
2013
0.000
550
0
0.0
0.0
74.5
0.0
75.6
2014
0.000
550
0
0.0
0.0
71.3
0.0
72.4
2015
0.000
550
0
0.0
0.0
68.4
0.0
69.5
2016
0.000
550
0
0.0
0.0
65.8
0.0
66.8
2017
0.000
550
0
0.0
0.0
63.3
0.0
64.3
2018
0.000
550
0
0.0
0.0
61.0
0.0
62.0
2019
0.000
550
0
0.0
0.0
58.9
0.0
59.8
2020
0.000
550
0
0.0
0.0
56.9
0.0
57.8
2021
0.000
550
0
0.0
0.0
55.1
0.0
55.9
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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