Grouped column chart showing South Powder River Basin coal production by publicly-held and privately-held mines from 2019-2022. Publicly-owned mines have seen their production drop slightly from more than 180 million tons per year in 2019 to around 150 million per year in 2022. Privately-owned mines have been increasing their production from 66 million tons in 2020 to more than 85 million tons in 2022.