ADEME

Vetted by Climatiq. For further information on data quality assurance, see: https://www.climatiq.io/methodology#Data-Quality

The Base Carbone is designed to allow firms to report their "Bilan Carbone" (greenhouse gas inventory) under Article 75 of the Loi Grenelle II. The methodology is distinct from but close to ISO 14064-1 and ISO 14069 standards and the GHG Protocol. Base Carbon V21.0 uses GWP-100 from AR5.

The dataset splits most emission factors into two types of entry: Élément (element / item / activity) and Poste (category, or lifecycle stage), with the "Élément" entry usually equal to the sum of its "Poste" entries.

For example, fuel emission factors typically have two Postes, "Combustion" and "Amont" ("upstream"). In this version of the dataset (V21.0), we have not split elements into separate Poste-level rows: each activity is delivered as a single, aggregated row combining all of its lifecycle stages.

Note that the lifecycle stage (Poste) entries do not necessarily align with scopes 1, 2 and 3 of the GHG Protocol. For energy use, for example, "Amont" (upstream) typically includes amortisation of assets that is not strictly included in Scope 3.3 (Fuel and energy related activity). Not all emission factors in the dataset are split into constituent gases and lifecycle stages; these are the rows labelled as "élément non décomposé" under the "Structure" source data field.

We have taken the English translations of the names and lifecycle stages provided by the source. The units are taken from the field "Unité français". The year is taken from the activity name where this is provided or otherwise from the later of the "Date de modification" and "Date de création".

CO2e values are taken from the field "Total poste non décomposé" (the pre-aggregated CO2e total for the element).

We have included only rows labelled as "Statut de l'élément: Valide générique". We have excluded other rows as either being out of date / not valid or covered by another dataset. In particular we have not included the "Agribalyse" emission factors.

Note that the lifecycle stage (Poste) entries do not necessarily align with scopes 1, 2 and 3 of the GHG Protocol. This means that some emission factors for fuels and electricity have not been included in the Climatiq energy endpoint.

For this dataset version, Climatiq has only extracted the aggregated CO2e total from the source: only "Total (CO2e, AR5)" is provided here, with no constituent-gas breakdown. This is a limitation of this Climatiq dataset version, not of the source: the source data does record gas-level fields (CO2f, CH4f, CH4b, N2O, Autres GES, Valeur gaz supplémentaire) for a minority of elements.

A constituent-gas breakdown (CO2 / CH4 fossil / CH4 biogenic / N2O / other gases) has been extracted from the same French emission factors in the newer Base Carbone V23.4 and V23.9 datasets on Climatiq.