BEIJING, Feb. 12 (Xinhua) -- China has established the world's largest clean coal power generation system, setting a new milestone in cutting emissions and saving energy, the National Energy Administration (NEA) said Tuesday.

The country has beaten its target of ultra-low emission and energy conservation and transformation outlined in the country's 13th Five-Year Plan two years in advance, NEA said.

By the end of the third quarter of 2018, the capacity of the coal power generators with ultra-low emission in China reached more than 750 million kilowatts, accounting for over 75 percent of the country's total installed capacity of coal power generating units, data from the NEA showed.

Transformation of coal power generators resulted in an 86-percent decrease in sulfur dioxide emissions, 89-percent cut in nitrogen oxides, and 85 percent less smoke dust from 2012 to 2017, according to the China Electricity Council.

The NEA said it will continue to promote energy conservation and ultra-low emissions and speed up building a clean, efficient, and sustainable coal power industry.