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General Data on Nuclear Power Station

As of the end of FY2016

Fukushima Daiichi Nuclear Power Station

Unit Output
(MW)
Decided on by
the Council
(Number)
Application for License to Install Start of Construction Work Start of Commercial Operation Number of Fuel Assemblies Loaded Container Main Contractor Location
Application
(Section 23 of the Nuclear Regulation Law)
Date of License Granted Construction project authorized
(Electricity Enterprises Law Article 47)
Start of Foundation Excavation (Tons U) (Pieces) Type of Reactor Container Domestic Content
(%)
Unit 1 460
(*2)
Dec.25, '68
(49)
Nov.19, '68
(*2)
Apr.7, '69
(*2)
Sep.29, '67 Apr.1, '67 Mar.26, '71 69 400 Mark I 56 GE Okuma-machi,
Futaba-gun,
Fukushima Pref.
Unit 2 784 Dec.22, '67
(47)
Sep.18, '67 Mar.29, '68 May.27, '69 Jan.18, '69 Jul.18, '74 94 548 Mark I 53 GE
Toshiba
Unit 3 784 May.23, '69
(50)
Jul.1, '69 Jan.23, '70 Oct.17, '70 Aug.25, '70 Mar.27, '76 94 548 Mark I 91 Toshiba
Unit 4 784 Jun.30, '71
(55)
Aug.5, '71 Jan.13, '72 May. 8, '72 Sep.12, '72 Oct.12, '78 94 548 Mark I 91 Hitachi
Unit 5 784 Feb.26, '71
(54)
Feb.22, '71 Sep.23, '71 Dec.22, '71 Dec.22, '71 Apr.18, '78 94 548 Mark I 93 Toshiba Futaba-machi,
Futaba-gun,
Fukushima Pref.
Unit 6 1,100 Dec.17, '71
(57)
Dec.21, '71 Dec.12, '72 Mar.16, '73 May.18, '73 Oct.24, '79 132 764 Mark II 63 GE
Toshiba

Fukushima Daini Nuclear Power Station

Unit Output
(MW)
Decided on by
the Council
(Number)
Application for License to Install Start of Construction Work Start of Commercial Operation Number of Fuel Assemblies Loaded Container Main Contractor Location
Application
(Section 23 of the Nuclear Regulation Law)
Date of License Granted Construction project authorized
(Electricity Enterprises Law Article 47)
Start of Foundation Excavation (Tons U) (Pieces) Type of Reactor Container Domestic Content
(%)
Unit 1 1,100 Jun. 7, '72
(59)
Aug.28, '72 Apr.30, '74 Aug.21, '75 Nov.1, '75 Apr.20, '82 132 764 Mark II 98 Toshiba Naraha-machi,
Futaba-gun,
Fukushima Pref.
Unit 2 1,100 Mar.17, '75
(66)
Dec.21, '76 Jun.26, '78 Jan.23, '79 Feb.28, '79 Feb.3, '84 132 764 Mark II
Advanced
99 Hitachi
Unit 3 1,100 Mar.15, '77
(71)
Aug.16, '78 Aug.4, '80 Nov.10, '80 Dec.1, '80 Jun.21, '85 132 764 Mark II
Advanced
99 Toshiba Tomioka-machi,
Futaba-gun,
Fukushima Pref.
Unit 4 1,100 Jul.14, '78
(75)
Aug.16, '78 Aug.4, '80 Nov.10, '80 Dec.1, '80 Aug.25, '87 132 764 Mark II
Advanced
99 Hitachi

Kashiwazaki-Kariwa Nuclear Power Station

Unit Output
(MW)
Decided on by
the Council
(Number)
Application for License to Install Start of Construction Work Start of Commercial Operation Number of Fuel Assemblies Loaded Container Main Contractor Location
Application
(Section 23 of the Nuclear Regulation Law)
Date of License Granted Construction project authorized
(Electricity Enterprises Law Article 47)
Start of Foundation Excavation (Tons U) (Pieces) Type of Reactor Container Domestic Content
(%)
Unit 1 1,100 Jul. 4, '74
(65)
Mar.20, '75 Sep.1, '77 Nov.4, '78 Dec.1, '78 Sep.18, '85 132 764 Mark II 99 Toshiba Kashiwazaki-shi,
Niigata Pref.
Unit 2 1,100 Mar.26, '81
(84)
May.11, '81 May. 6, '83 Aug.22, '83 Oct.26, '83 Sep.28, '90 132 764 Mark II
Advanced
99 Toshiba
Unit 3 1,100 Mar.27, '85
(99)
Apr.11, '85 Apr. 9, '87 Jun.16, '87 Jul.1, '87 Aug.11, '93 132 764 Mark II
Advanced
99 Toshiba
Unit 4 1,100 Mar.27, '85
(99)
Apr.11, '85 Apr. 9, '87 Jun.16, '87 Feb.5, '88 Aug.11, '94 132 764 Mark II
Advanced
99 Hitachi
Unit 5 1,100 Mar.26, '81
(84)
May.11, '81 May. 6, '83 Aug.22, '83 Oct.26, '83 Apr.10, '90 132 764 Mark II
Advanced
99 Hitachi Kashiwazaki-shi and Kariwa-mura, Niigata Pref.
Unit 6 1,356 Mar.18, '88
(108)
May.23, '88 May.15, '91 Aug.23, '91 Sep.17, '91 Nov.7, '96 150 872 Made of
reinforced
concrete
89 Toshiba
Hitachi
GE
Unit 7 1,356 Mar.18, '88
(108)
May.23, '88 May.15, '91 Aug.23, '91 Feb.3, '92 Jul. 2, '97 150 872 Made of
reinforced
concrete
89 Hitachi
Toshiba
GE

(Notes)

  1. Figures for fuel loaded indicate the weight (in tons-U) of uranium fuel in the left row and the number (in pieces) of fuel assemblies in the right row.
  2. For Fukushima Daiichi Nuclear Power Station Unit 1, the dates (*) given indicate those after a change in capacity (from 400 MW to 460 MW).
  3. Following the notification submitted on March 30, 2012 in accordance with Article 9 of the Electric Utilities Industry Law, Units 1-4 at Fukushima Daiichi Nuclear Power Station were granted to be decommissioned on April 19, 2012.
  4. Following the notification submitted on December 18, 2013 in accordance with Article 9 of the Electric Utilities Industry Law, Units 5, 6 at Fukushima Daiichi Power Station were granted to be decommissioned on January 31, 2014.