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To explore the atmospheric emissions of coal-fired power sector in China, a unit-based method was developed based on detailed information of unit type, fuel quality, emission control technology, and geographical location. During 2000–2005, the period when power sector developed fastest in the past 20 years, SO₂, NO_x and PM emissions of coal-fired power plants increased by 1.5, 1.7 and 1.2 times, respectively. The SO₂, emission of coal-fired power sector was estimated to be 16 097kt in 2005, and would decrease to 11 801kt in 2010, attributed mainly to the wide application of the flue gas desulfurization (FGD) technology. The NO_x emission, however, would increase from 6965kt in 2005 to 9680kt in 2010, since few NO_x control measures would be taken during the five years. The TSP, PM₁₀, and PM_2.5 emissions in 2005 were estimated to be 2774, 1842 and 994kt, and the values would be 2540, 1824 and …