Japan · 35.522, 135.504Takahama
Takahama, nuclear power plant in Japan, operates 4 pressurized water reactors with 3,220 MW net installed capacity and has been in service since 1974.
Unit Takahama 1 has been operating for 52 years, since 1974. Its 3,220 MW net are enough to supply about 10,100,000 households.
- Country
- Japan
- Units
- 4
- Technology
- PWR
- Net capacity
- 3,220 MWe
- First grid connection
- 1974
- Operator
- Kansai Electric Power
- Owner
- Kansai Electric Power Co
- Status
- Operating
See also: alerts for this plant · every plant in Japan · Vendor: Westinghouse · Vendor: Mitsubishi Heavy Industries · every PWR reactor · how a PWR works
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Takahama 1 | Pressurized water (PWR) | Mitsubishi 3-loop (M 3LP) | Operating | 780 | 2,440 | Apr 25, 1970 | Mar 27, 1974 | — | 76.4 % (2024) |
| Takahama 2 | Pressurized water (PWR) | Mitsubishi 3-loop (M 3LP) | Operating | 780 | 2,440 | Mar 9, 1971 | Jan 17, 1975 | — | 88.7 % (2024) |
| Takahama 3 | Pressurized water (PWR) | Mitsubishi 3-loop (M 3LP) | Operating | 830 | 2,660 | Dec 12, 1980 | May 9, 1984 | — | 105.8 % (2024) |
| Takahama 4 | Pressurized water (PWR) | Mitsubishi 3-loop (M 3LP) | Operating | 830 | 2,660 | Mar 19, 1981 | Nov 1, 1984 | — | 71.5 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Takahama 1, a 780 MWe PWR (Mitsubishi 3-loop (M 3LP)), started construction in 1970, was connected to the grid in 1974 and is still operating, with a 76.4% load factor in 2024.
Takahama 2, a 780 MWe PWR (Mitsubishi 3-loop (M 3LP)), started construction in 1971, was connected to the grid in 1975 and is still operating, with a 88.7% load factor in 2024.
Takahama 3, an 830 MWe PWR (Mitsubishi 3-loop (M 3LP)), started construction in 1980, was connected to the grid in 1984 and is still operating, with a 105.8% load factor in 2024.
Takahama 4, an 830 MWe PWR (Mitsubishi 3-loop (M 3LP)), started construction in 1981, was connected to the grid in 1984 and is still operating, with a 71.5% load factor in 2024.
Operator: Kansai Electric Power.
Owner: Kansai Electric Power Co (Takahama 1, Takahama 2, Takahama 3, Takahama 4).