我国火力发电企业是环境污染总量大、污染排放强度高的排污大户。

Thermal power plant emits large amount of pollutants which are heavy loaded in China.

来自国家电力监管委员会的信息，其中的相当一部分，已用于在去年发电量在554 420兆瓦的全国541家火力发电站了。

Much of it goes to the country's 541 coal-fired power plants, which pumped out 554,420 megawatts of electricity last year, according to the State electricity Regulatory Commission.