Guidelines & Tools Tool to calculate the emission factor for an electricity system Published 2018 Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download am-tool-07-v7.0.pdf en Added on: 02 September, 2025 Breadcrumb Home Resource Library Tool To Calculate The Emission Factor For An Electricity System This methodological tool determines the CO2 emission factor for the displacement of electricity generated by power plants in an electricity system, by calculating the “combined margin” emission factor (CM) of the electricity system.