This is a monthly update of the Japan Beyond Coal database.
JBC has updated the data after confirming that some units have been suspended or decommissioned.
As of September 1, 156 units are in operation, and 5 are mothballed.

Operating: 156 units
Mothballed: 5 units
Retired: 15 units
Planned/Under Construction: 1 unit

［Status update of coal-fired power unit］

• Sumitomo Osaka Cement announced it would suspend operation of Unit 5 (approximately 102,500 kW) at the Ako Power Plant (with no restoration scheduled) as of March 29.
  Notice: Suspension of Ako Plant Ako Power Plant
• Kyushu Electric Power decommissioned the Karita New Unit 1 (360,000 kW) on June 30.
  Kyushu Electric Power PR: Decommissioning of the Buzen Power Plant Unit 2 and the Karita Power Plant New Unit 1 of the Kanda Power Plant.
• Hibikinada Power Station Co. has suspended operations of Hibikinada Power Station Unit 1 (112,000 kW) to allow for equipment modifications to resume operations as a biomass mono-fired in FY2026. Since the equipment modifications have progressed, JBC decided to classify it as “retired” as a coal-fired power unit.

［Information other than coal]

• On August 6, Hokkaido Electric Power announced the start of construction on the Ishikariwan Shinko Power Station Unit 2 (a natural gas-fired power plant; Units 1–3 have a combined capacity of 1,729,400 kW).
  Hokkaido Electric is planning to begin commercial operation in FY 2030. The company has already secured a capacity allocation contract for 551.2 MW in the FY 2023 long-term decarbonized power source auction.

［Environmental Impact Assessment (EIA)]

• Kiko Network submitted written opinions (written in Japanese) regarding the “EIA Scoping Document for (Tentative Name) the Sodegaura Thermal Power Station New Units 1–3 Construction Project.”
• Miike Thermal Power Co. (subsidiary of CEF F2) submitted the EIA Scoping Document for the Miike Thermal Power Plant Unit 2 (175,000 kW) in Omuta City, Fukuoka Prefecture. This plan is for converting the unit from a coal-fired power to hydrogen-fired (from co-firing at the beginning to mono-firing in the future). It secured a capacity allocation contract for 146.4 MW in the long-term decarbonized power source auction.

* 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.