原子力
-
設備利用率（当社 発電所・号機ごと）
2023年度末現在
単位：(%)
| 年度 | 福島第一 | 福島第二 | 柏崎刈羽 | 東京電力 全体 |
全国 (参考) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1号機 | 2号機 | 3号機 | 4号機 | 5号機 | 6号機 | 1号機 | 2号機 | 3号機 | 4号機 | 1号機 | 2号機 | 3号機 | 4号機 | 5号機 | 6号機 | 7号機 | |||
| 1971 | 66.2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 66.2 | 68.9 |
| 1972 | 65.7 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 65.7 | 62.0 |
| 1973 | 48.5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 48.5 | 54.1 |
| 1974 | 26.2 | 66.5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 48.2 | 54.8 |
| 1975 | 16.3 | 16.5 | 99.9 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 17.1 | 42.2 |
| 1976 | 24.8 | 47.7 | 72.8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 52.2 | 52.8 |
| 1977 | 6.0 | 3.9 | 41.8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 19.0 | 41.8 |
| 1978 | 40.4 | 54.6 | 43.5 | 82.9 | 68.3 | - | - | - | - | - | - | - | - | - | - | - | - | 56.3 | 56.7 |
| 1979 | 58.3 | 65.7 | 50.8 | 59.5 | 70.9 | 98.0 | - | - | - | - | - | - | - | - | - | - | - | 65.6 | 54.6 |
| 1980 | 55.0 | 45.2 | 68.8 | 68.2 | 68.7 | 64.1 | - | - | - | - | - | - | - | - | - | - | - | 62.3 | 60.8 |
| 1981 | 29.7 | 46.6 | 76.1 | 70.8 | 69.6 | 65.5 | - | - | - | - | - | - | - | - | - | - | - | 62.2 | 61.7 |
| 1982 | 53.8 | 80.0 | 40.6 | 63.2 | 62.0 | 70.3 | 98.1 | - | - | - | - | - | - | - | - | - | - | 69.2 | 67.6 |
| 1983 | 63.4 | 63.1 | 55.0 | 91.1 | 56.9 | 81.1 | 69.0 | 100.0 | - | - | - | - | - | - | - | - | - | 70.4 | 71.5 |
| 1984 | 92.1 | 56.4 | 66.7 | 71.3 | 81.9 | 63.4 | 68.3 | 79.5 | - | - | - | - | - | - | - | - | - | 71.2 | 73.9 |
| 1985 | 46.7 | 53.7 | 77.4 | 64.9 | 75.8 | 58.3 | 74.4 | 84.2 | 96.4 | - | 99.7 | - | - | - | - | - | - | 73.6 | 76.0 |
| 1986 | 65.9 | 85.1 | 85.7 | 56.3 | 60.6 | 67.6 | 90.1 | 84.3 | 74.1 | - | 72.9 | - | - | - | - | - | - | 75.2 | 75.7 |
| 1987 | 61.7 | 71.3 | 57.1 | 79.6 | 53.9 | 88.4 | 82.4 | 74.4 | 77.1 | 99.8 | 82.6 | - | - | - | - | - | - | 76.4 | 77.1 |
| 1988 | 97.1 | 62.3 | 63.2 | 93.9 | 90.6 | 71.1 | 65.6 | 77.6 | 71.1 | 75.3 | 84.3 | - | - | - | - | - | - | 76.3 | 71.4 |
| 1989 | 13.7 | 80.2 | 93.7 | 69.8 | 81.4 | 39.2 | 66.5 | 87.2 | 0.0 | 77.8 | 78.0 | - | - | - | - | - | - | 63.2 | 70.0 |
| 1990 | 64.3 | 66.1 | 50.7 | 62.5 | 60.1 | 90.9 | 65.8 | 73.9 | 33.8 | 96.4 | 62.9 | 95.2 | - | - | 99.8 | - | - | 71.3 | 72.7 |
| 1991 | 31.1 | 45.8 | 60.1 | 88.6 | 77.0 | 76.6 | 89.4 | 74.3 | 67.0 | 79.1 | 90.3 | 74.8 | - | - | 77.0 | - | - | 74.1 | 73.8 |
| 1992 | 71.6 | 62.3 | 89.5 | 71.8 | 87.7 | 62.5 | 70.9 | 62.4 | 97.9 | 61.3 | 84.9 | 81.5 | - | - | 75.4 | - | - | 75.3 | 74.2 |
| 1993 | 52.7 | 84.4 | 74.0 | 59.5 | 64.3 | 57.1 | 61.1 | 97.6 | 74.3 | 83.0 | 74.6 | 94.7 | 99.8 | - | 78.7 | - | - | 76.3 | 75.4 |
| 1994 | 100.0 | 34.9 | 61.2 | 90.1 | 64.4 | 99.9 | 79.6 | 76.1 | 49.8 | 89.4 | 76.1 | 79.1 | 79.1 | 63.0 | 98.7 | - | - | 76.6 | 76.6 |
| 1995 | 79.4 | 76.0 | 67.8 | 92.3 | 80.4 | 73.8 | 100.0 | 73.2 | 90.9 | 84.0 | 81.9 | 83.5 | 85.5 | 90.5 | 81.5 | - | - | 83.2 | 80.2 |
| 1996 | 45.1 | 88.4 | 97.2 | 74.4 | 96.9 | 65.9 | 73.0 | 87.7 | 96.1 | 73.6 | 91.7 | 74.3 | 100.0 | 87.1 | 85.6 | 100.0 | - | 84.1 | 80.8 |
| 1997 | 99.7 | 81.9 | 15.0 | 50.7 | 73.0 | 86.6 | 66.7 | 92.1 | 81.1 | 87.2 | 74.2 | 100.0 | 86.8 | 81.5 | 76.3 | 83.0 | 100.0 | 79.5 | 81.3 |
| 1998 | 84.0 | 36.0 | 64.6 | 95.8 | 81.5 | 81.3 | 75.9 | 80.2 | 89.7 | 100.0 | 78.8 | 88.4 | 73.1 | 88.1 | 100.0 | 93.5 | 84.5 | 83.1 | 84.2 |
| 1999 | 69.3 | 72.8 | 66.8 | 92.9 | 68.4 | 85.6 | 100.0 | 88.7 | 75.2 | 87.8 | 87.6 | 89.2 | 83.4 | 100.0 | 84.3 | 90.1 | 73.9 | 84.4 | 80.1 |
| 2000 | 72.2 | 78.4 | 99.9 | 66.4 | 49.6 | 68.7 | 78.4 | 75.9 | 99.7 | 71.9 | 95.6 | 70.6 | 100.0 | 66.4 | 75.8 | 81.7 | 86.1 | 79.4 | 81.7 |
| 2001 | 37.5 | 69.0 | 85.5 | 88.3 | 89.5 | 95.2 | 74.8 | 92.2 | 31.6 | 86.3 | 74.1 | 99.1 | 75.7 | 69.2 | 88.3 | 80.7 | 99.0 | 80.1 | 80.5 |
| 2002 | 56.9 | 99.7 | 29.3 | 46.0 | 86.3 | 67.4 | 76.9 | 25.5 | 46.1 | 53.6 | 42.4 | 40.0 | 35.7 | 76.7 | 92.2 | 82.4 | 70.0 | 60.7 | 73.4 |
| 2003 | 0.0 | 0.0 | 62.5 | 2.4 | 55.0 | 25.0 | 57.5 | 0.0 | 6.9 | 0.0 | 0.0 | 0.0 | 0.0 | 69.1 | 0.0 | 91.3 | 45.9 | 26.3 | 59.7 |
| 2004 | 0.0 | 64.6 | 36.7 | 69.0 | 58.1 | 24.9 | 49.2 | 59.2 | 67.5 | 37.4 | 85.2 | 75.6 | 75.6 | 37.1 | 91.7 | 75.3 | 90.6 | 61.7 | 68.9 |
| 2005 | 47.4 | 63.9 | 89.7 | 30.5 | 67.1 | 72.8 | 86.4 | 66.0 | 28.9 | 58.0 | 19.5 | 69.3 | 85.9 | 100.8 | 74.4 | 71.2 | 78.4 | 66.4 | 71.9 |
| 2006 | 72.5 | 45.8 | 72.7 | 76.2 | 59.7 | 82.1 | 74.6 | 100.6 | 87.8 | 41.1 | 93.4 | 89.7 | 79.7 | 31.5 | 65.9 | 98.9 | 71.2 | 74.2 | 69.9 |
| 2007 | 40.8 | 91.7 | 65.5 | 86.3 | 73.1 | 62.8 | 75.1 | 52.4 | 76.7 | 76.7 | 9.2 | 6.5 | 29.5 | 29.6 | 0.0 | 7.3 | 29.9 | 44.9 | 60.7 |
| 2008 | 54.5 | 86.0 | 90.5 | 70.2 | 80.5 | 95.2 | 89.1 | 81.6 | 73.1 | 93.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 43.8 | 60.0 |
| 2009 | 91.7 | 73.4 | 71.2 | 82.6 | 86.5 | 80.0 | 93.6 | 93.4 | 82.1 | 71.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 55.1 | 72.3 | 53.3 | 65.7 |
| 2010 | 51.5 | 67.9 | 68.1 | 66.5 | 63.8 | 38.5 | 66.6 | 77.3 | 94.7 | 72.8 | 82.6 | 0.0 | 0.0 | 0.0 | 33.9 | 77.6 | 78.5 | 55.3 | 67.3 |
| 2011 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 35.4 | 0.0 | 0.0 | 0.0 | 82.7 | 101 | 38.8 | 18.5 | 23.7 |
| 2012 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.9 |
| 2013 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.3 |
| 2014 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2015 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.5 |
| 2016 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.0 |
| 2017 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9.1 |
| 2018 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 19.3 |
| 2019 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 20.6 |
| 2020 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 13.4 |
| 2021 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.4 |
| 2022 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 19.3 |
| 2023 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 28.9 |
(注)
- 設備利用率 ＝ (発電電力量 / 認可出力 × 暦時間) × 100 (%)
- 福島第一原子力発電所1～4号機については、2012年3月30日に電気事業法第9条に基づく廃止届出を行い、2012年4月19日付で廃止。
- 福島第一原子力発電所5・6号機については、2013年12月18日に電気事業法第9条に基づく廃止届出を行い、2014年1月31日付で廃止。
- 2012年度の福島第一原子力発電所１～４号機設備利用率は、2012年４月19日までの実績で算出。
- 福島第二原子力発電所1～4号機については、2019年9月30日に電気事業法第27条の27に基づく発電事業変更届出を行い、同日付で廃止。
