As of May 1, 2025, the number of operating units is 165 units, unchanged from the previous month.

Operating (including 6 mothballed units): 165 Units
Planned (including under construction): 1 Units
Retired: 11 Units

[Related Information]

• Nippon Steel Corporation has announced a replace plan for the Tobata Joint Power Plant located in the Yawata area of Kyushu Steel Works, which is 50% owned by Nippon Steel Corporation. It plans to decommission coal-fired power units 2, 5, and 6 by 2040, and build an LNG-fired power plant.
  
  Nippon Steel announcement (written in Japanese): “Environmental Impact Statement at the planning stage for the construction of a natural gas-fired power plant on the premises of Kyushu Steel Works (tentative name) in the Yawata district” （Link）
  Comments on this EIA process are due by Monday, May 12.

[Other information]

• Hokuriku Electric Power, Nanao Ohta Power Station Unit 2
  Hokuriku Electric Power announced that has increased the ratio of woody biomass in Unit 2 of Nanao Ohta Power Station (Ishikawa, 700 MW) from 1% to 15% since April 21.
  Hokuriku Electric power station, Press Release (written in Japanese)

* The full database can be downloaded in Excel format on this page.
* Click here (PDF) to download a summary of Japan’s coal plant data.