Nuclear capacity accounted for 4.3% of total power plant installations globally in 2023, according to GlobalData, with total recorded nuclear capacity of 391GW. This is expected to contribute 3.1% by the end of 2030 with capacity of installations aggregating up to 439GW. Of the total global nuclear capacity, 8.10% is in Japan. Listed below are the five largest active nuclear power plants by capacity in Japan, according to GlobalData’s power plants database. GlobalData uses proprietary data and analytics to provide a complete picture of the global nuclear power segment. Buy the latest nuclear power plant profiles here.
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1. Genkai 3
The Genkai 3 is a 1,180MW nuclear power project located in Saga, Japan. Post completion of construction, the project was commissioned in 1994. The project was developed by Kyushu Electric Power. Kyushu Electric Power own the project.
2. Genkai 4
The 1,180MW Genkai 4 nuclear power project is located in Saga, Japan. Kyushu Electric Power has developed the project. It was commissioned in 1997. The project is owned by Kyushu Electric Power. Buy the profile here.
3. Ohi 3
The Ohi 3 is a 1,180MW nuclear project. Kansai Electric Power owns the project. It was commissioned in 1991. The project was developed by Kansai Electric Power. It is located in Fukui, Japan. Buy the profile here.
4. Ohi 4
The Ohi 4 nuclear project with a capacity of 1,180MW came online in 1993. The project was developed by Kansai Electric Power. Kansai Electric Power have the equity stakes in the project. It is located in Fukui, Japan. Buy the profile here.
5. Sendai 2
The Sendai 2 has been operating since 1985. The 890MW nuclear project is located in Kagoshima, Japan. The project has been developed by Kyushu Electric Power. Kyushu Electric Power have the equity stakes in this project.
For more details on the latest nuclear power plants, buy the project profiles here.
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GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.
This information is drawn from GlobalData’s Power Plants database, which provides detailed profiles of over 170,000 active, planned and under construction power plants worldwide.
