As of December 1, 2025, 165 units are in operation, unchanged from the previous month.

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

[Information other than coal]

●JERA submitted Environmental Impact Assessment (EIA) Proceedings on Units Replacement at Sodegaura Power Plant
On November 4, JERA submitted the Document on Primary Environmental Impact Consideration for construction of the (tentative name) Sodegaura Thermal Power Station New Units 1-3 Construction Project (combined cycle power generation system, 3 units with 2.61M kW capacity). The viewing period has started from November 5, 2025, to December 5, 2025. Comments must also be submitted by December 5. These units are targeted to be resumed in FY2032. (JERA PR and information of the EIA are all 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.