Details
| Reactor Type | Gas-Cooled Reactor (or GCR) |
|---|---|
| Model | MAGNOX |
| Owner | Japan Atomic Power Co. |
| Operator | Japan Atomic Power Co. |
Timeline
| Construction Start | Wednesday, 1 March 1961 |
|---|---|
| First Criticality | Tuesday, 4 May 1965 |
| First Grid Connection | Wednesday, 10 November 1965 |
| Commercial Operation | Monday, 25 July 1966 |
| Permanent Shutdown | Tuesday, 31 March 1998 |
Specifications
| Capacity Net | 137 MWe |
|---|---|
| Capacity Gross | 166 MWe |
| Thermal Capacity | 587 MWt |
| Design Net Capacity | 159 MWe |
Operational History
Electricity Supplied (GWh)
Energy Availability Factor (%)
Total Electricity Supplied (GWh)
Reactor History
| Year | Reference Unit Power (MWe) | Annual Time Online (Hours) | Electricity Supplied (GWh) | Operation Factor (%) | Energy Availability Annual (%) | Energy Availability Cumulative (%) | Load Factor Annual (%) | Load Factor Cumulative (%) |
|---|---|---|---|---|---|---|---|---|
| 1965 | - | - | - | - | - | - | - | - |
| 1966 | - | - | - | - | - | - | - | - |
| 1967 | - | - | - | - | - | - | - | - |
| 1968 | - | - | - | - | - | - | - | - |
| 1969 | - | - | - | - | - | - | - | - |
| 1970 | 166 | 5857 | 862.00 | 66.90 | 59.30 | - | 59.30 | - |
| 1971 | 166 | 7580 | 996.80 | 86.50 | 75.00 | - | 68.60 | - |
| 1972 | 166 | 7511 | 980.40 | 85.50 | 73.50 | - | 67.20 | - |
| 1973 | 154 | 7723 | 973.80 | 88.20 | 72.20 | 70.00 | 72.20 | 66.70 |
| 1974 | 133 | 7471 | 930.80 | 85.30 | 79.90 | 71.60 | 79.90 | 68.90 |
| 1975 | 133 | 7687 | 953.60 | 87.80 | 81.80 | 73.10 | 81.80 | 70.80 |
| 1976 | 133 | 7693 | 966.00 | 87.60 | 82.70 | 74.30 | 82.70 | 72.30 |
| 1977 | 133 | 7330 | 913.10 | 83.70 | 80.20 | 75.00 | 78.40 | 73.00 |
| 1978 | 133 | 7587 | 960.90 | 86.60 | 82.50 | 75.70 | 82.50 | 74.00 |
| 1979 | 133 | 7547 | 973.80 | 86.20 | 83.60 | 76.40 | 83.60 | 74.80 |
| 1980 | 133 | 7534 | 961.40 | 85.80 | 82.30 | 77.00 | 82.30 | 75.50 |
| 1981 | 157 | 7636 | 967.80 | 87.20 | 85.50 | 77.70 | 70.40 | 75.00 |
| 1982 | 157 | 6769 | 846.60 | 77.30 | 76.80 | 77.60 | 61.60 | 73.90 |
| 1983 | 157 | 7295 | 933.82 | 83.30 | 78.30 | 77.70 | 67.90 | 73.40 |
| 1984 | 133 | 6826 | 881.32 | 77.70 | 78.20 | 77.70 | 75.40 | 73.60 |
| 1985 | 133 | 6769 | 859.41 | 77.30 | 76.90 | 77.70 | 73.80 | 73.60 |
| 1986 | 133 | 6826 | 865.62 | 77.90 | 76.10 | 77.60 | 74.30 | 73.60 |
| 1987 | 129 | 6282 | 809.14 | 71.70 | 71.40 | 77.30 | 71.10 | 73.50 |
| 1988 | 133 | 7813 | 1012.60 | 89.00 | 88.80 | 77.80 | 86.70 | 74.10 |
| 1989 | 159 | 3656 | 460.10 | 41.70 | 50.30 | 76.30 | 33.00 | 71.90 |
| 1990 | 133 | 7020 | 899.52 | 80.10 | 78.40 | 76.40 | 78.80 | 72.20 |
| 1991 | 129 | 6962 | 899.52 | 79.50 | 78.80 | 76.50 | 79.00 | 72.40 |
| 1992 | 159 | 8188 | 1050.45 | 93.20 | 93.40 | 77.30 | 75.20 | 72.60 |
| 1993 | 159 | 1427 | 184.56 | 16.30 | 30.00 | 75.20 | 13.20 | 69.80 |
| 1994 | 137 | 4959 | 631.09 | 56.60 | 56.00 | 74.40 | 52.60 | 69.20 |
| 1995 | 137 | 6385 | 832.59 | 72.90 | 71.60 | 74.30 | 69.40 | 69.20 |
| 1996 | 137 | 8784 | 1175.13 | 100.00 | 100.00 | 75.20 | 97.60 | 70.20 |
| 1997 | 137 | 7460 | 953.99 | 85.20 | 81.80 | 75.50 | 79.50 | 70.50 |
| 1998 | 137 | 2152 | 294.18 | 100.00 | 100.00 | 75.70 | 99.80 | 70.80 |