The index is designed to comprehensively and accurately reflect the coking coal price level and changes in China's production areas, provide a scientific price reference for domestic coking coal market transactions, and to promote the smooth and orderly operation of the industry.
American Electric Power is seeking spot delivery proposals for up to 225 000 t of coal.
Eskom's proposal to freeze salaries this year triggered industrial action, which interrupted coal deliveries to power plants and resulted in rolling load shedding for the first time since 2015.