Calculation formula and method of carbon emission in power generation industry

Take the power plant as an example, save 1 kwh of electricity or 1 kg of coal bottom to reduce emissions and reduce "carbon dioxide"? According to experts' statistics, every time 1 kwh of electricity is saved, 0.4 kg of standard coal is saved, which is equivalent to reducing pollution emissions by 0.272 kg of carbon dust, 0.997 kg of carbon dioxide, 0.03 kg of sulfur dioxide and 0.0 15 kg of nitrogen oxides. The calculation formula is: saving 1 kwh = reducing emission by 0.997kg ". Saving 1 kg standard coal = 2.493 kg "carbon dioxide" reduction. (Note: The standard coal converted by electricity is of the same value, that is, the coefficient is 1 kWh =0.4 kg standard coal, 1 kg raw coal =0.7 143 kg standard coal. )