In CO2 data gathering form you are able to choose to use your own emission factors.
You can update the used emission factors by clicking on "Methodology" in the Menu tab, then "Emission factors", then "Edit Emission Factors".
In the Excel sheet, you can set any desirable emission factor. It is saved automatically; no need to save it when you edit online.
To make sure it is the right formatting, please use '.' for decimal numbers.
Each entity under the same master account can define their own emission factors.