The figure includes 30 million tons of crude oil and more than 5.5 billion cubic meters of natural gas, according to Daqing Oilfield.

Rooftop solar gear, biomass heating, pumped-storage hydroelectricity among tech on rise.

Average monthly output of coal produced by the company has been around 50 million tons during the past 15 months, he added.

The NEA also vowed to actively develop nuclear power in a safe and orderly manner. The goal is to increase the installed capacity of nuclear power by 2.89 million kW.

Specifically, the industrial output of manufacturing increased by about 3.1 percent last year, according to the ministry.

China produced some 4.45 billion tons of coal last year, up 8 percent year-on- year.

Increase of clean energy seen as key to achieving nation's carbon goals.

In the first 11 months of last year, the country's iron ore imports dipped 2.1 percent year-on-year to around 1.02 billion metric tons, he said.