DESNZ Update: 28 June 2023

UK Gov CO2e Emissions Factors

2023 Update - Full 10 year history!

Factor Description kgCO2e
per Unit
Base Year Last Year This Year


How to correctly cite these factors in your GHG Footprint Reporting Methodology:-

Department for Energy Security and Net Zero. (2023) Government conversion factors for company reporting of greenhouse gas emissions [Online]. Available at (Accessed ).

Where the factor is blank it has not been provided by DESNZ - Dept of Energy Security and Net Zero