J-POWER is one of Japan’s major electric utilities, ranked around the 6th largest in terms of electricity generation capacity and market presence. It is also Japan’s second largest operator of coal-fired power plants. J-POWER is a joint venture partner in the Clermont, Narrabri and Maules Creek coal mines in Australia.

In 2022, ACCR and a US$3 trillion investor group, including Man Group, HSBC Asset Management and Amundi, began engaging with J-POWER on its decarbonisation commitments and strategy. In 2022 and 2024, ACCR co-filed resolutions calling for the company to take more ambitious climate action. In 2024, J-POWER announced it would close five coal power generation units by FY2030.