As of January 1st, 2026, 165 units are in operation, unchanged from the previous month.
The number of operational units remains at 165. With only four years until 2030, Japan urgently needs to phase out coal.

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

[Information other than coal]

●Makiminato Thermal power plant, Okinawa Electric Power
Okinawa Electric Power announced plans to construct new LNG thermal power plant in the Makiminato Thermal Power Plant complex. Construction is scheduled to begin within 2029 and operations expected to start in FY2032. The company stated it is considering to convert to decarbonized fuels, such as ammonia, to reduce CO2 emission in the future. However, any environmental impact assessment documents have not been submitted.
・Okinawa Electric Power PR (in Japanese) 沖縄電力「牧港火力発電所における新規電源の建設について」
・IHI announces new order (in Japanese) 「沖縄電力牧港火力発電所向けガスタービンコンバインドサイクル（GTCC）発電設備プロジェクトを受注」

* 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.