A machine is operated on the storage of coal at a coal-fired power plant in Wuhan in central China's Hubei province on July 4, 2024. (Chinatopix Via AP)

FILE - Guohua Power Station, a coal-fired power plant, operates in Dingzhou, Baoding, in the northern China's Hebei province, Nov. 10, 2023. (AP Photo/Ng Han Guan, File)

A worker inspects facilities at a coal-fired power plant in Wuhan in central China's Hubei province on July 4, 2024. (Chinatopix Via AP)