As of June 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

[Related Information]

Environmental Impact Assessment: Nanko Power Station (LNG)
On July 17, Kansai Electric Power (KEPCO) announced that it had submitted a Draft Environmental Impact Statement for the Nanko Power Station (LNG), scheduled to begin operations in FY2030, to the Minister of Economy, Trade and Industry (METI) and the Governor of Osaka Prefecture. The Nanko Power Station Units 1 through 3 were decommissioned in March 2025, and are currently being upgraded to high-efficiency combined cycle units.
Kansai Electric Power：「南港発電所更新計画に係る環境影響評価準備書」の公表及び縦覧について (Japanese only)

*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.