1. Rochester Coal Mine, USA Estimated coal reserves: 2.3 billion tons Located in the United States, the Boulder River coal field in Wyoming is currently the world's largest coal mine in terms of reserves, with 40% of U.S. coal coming from here, and the amount of mineable coal is expected to exceed 2.3 billion tons. It is also considered to be the cleanest coal in the United States, with very low sulfur content, and is one of the top ten coal mines in the world.
2. Harwusu Open Pit Coal Mine, China Estimated coal reserves: 1.7 billion tons Located in the eastern part of China's Inner Mongolia Autonomous Region, at the border of Shaanxi and Mongolia, it is the largest open pit coal mine in China, with an estimated recoverable coal volume of over 1.7 billion tons, and 1,157 employees currently employed at the open pit mine. The coal mine was developed at a cost of approximately US$1.1 billion and the first coal was produced in October 2008 at an annual production rate of approximately 20 tons of raw coal, making it one of the top ten coal mines in the world.
3. Haidaigou Open Pit Coal Mine, China Estimated coal reserves: 1.5 billion tons Located in the middle of the Jungar coalfield, also in Inner Mongolia Autonomous Region of China, it is estimated to have 1.5 billion tons of mineable coal reserves, constructed in 1990 and started production in 1999, producing low sulfur and low phosphorus coal with an annual production capacity of 20 million tons, making it one of the top ten coal mines in the world.
4. Moatize Coal Mine, Mozambique Estimated coal reserves: 1.49 billion tons Moatize coal mine is located in Teti province, Mozambique, with an estimated 1.49 billion tons of mineable coal, or possibly 1.19 billion tons. The operator is the Brazilian mining company Vale, which holds 95% of the shares in the mine, which went into normal production in 2015 and is one of the top 10 coal mines in the world.
5. Black Thunder Open Pit Coal Mine, USA Estimated coal reserves: 1.46 billion tons Also located in Wyoming, USA, it is expected to mine 1.46 billion tons of coal, producing 92.9 million tons of raw coal in 2012 and 104.9 million tons in 2011, according to this rate can be maintained until at least 2021, and is one of the top ten coal mines in the world.
6. Pickerdams Coal Mine, Australia Estimated coal reserves: 1.06 billion tons Located in the Bowen Basin in central Queensland, Australia, this coal mine is expected to have a recoverable capacity of about 1.06 billion tons of coal. It is an open-pit mine that began production in 1972 and has produced record highs in recent years, making it one of the top ten coal mines in the world.
7. Arthur Hill Coal Mine, Australia Forecast coal reserves: 1.04 billion tonnes This coal mine is located in the Hunter Valley belt of New South Wales, Australia, with an estimated recoverable capacity of 1.04 billion tons of coal (of which 585 million tons are confirmed and 460 million tons are forecast), consisting of two open pits. production began in 1968, with an annual production capacity of 16 million tons and a mine life of 40 years, making it one of the top ten coal mines in the world.
8. Coballo Coal Mine, USA Estimated coal reserves: 850 million tons Also located in Wyoming, USA, in the southeast, with an estimated recoverable coal volume of 850 million tons, it has been in production since 1978 and is a major surface mining site and one of the top ten coal mines in the world.
9. Raspazkia Coal Mine, Russia Estimated coal reserves: 780 million tons The Raspazkaya coal mine in Kemerovo Oblast, Russia, is the largest coal mine in Russia, with an estimated 780 million tons of recoverable coal, which started production in the late 1970s and is one of the top ten coal mines in the world.
10. Cerejón Coal Mine, Colombia Estimated coal reserves: 750 million tons Located in Colombia's Guajara Peninsula, the Cerejón coal mine, with an estimated 750 million tons of recoverable coal, of which 660 million tons have been confirmed, began production in 1985 and is a large open-pit mine, one of the top ten coal mines in the world.