As of the end of FY2023
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)
- 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.
- For Fukushima Daiichi Nuclear Power Station Unit 1, the dates (*) given indicate those after a change in capacity (from 400 MW to 460 MW).
- 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.
- 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.
- On September 30, 2019, a notice of change of power generation business was submitted in accordance with Clause 27-27 of the Electric Utility Industry Law for Fukushima Daini Nuclear Power Station Units 1~4, and the reactors were considered decommissioned as of the same date.
