CO2e emission factor - year of data collection

Symbol -
Unit -
Attribute-ID co2e_emission_factor_year_of_data_collection
Numeric ID 201355
Value Type PMInteger

Indicates the year from which the underlying emission factors originate.

The survey year refers to the data basis of the selected source and is relevant for assessing the currency and comparability of the CO₂e results. It can be a single year or an average value over several years, depending on the data source.

Used for transparent documentation in the context of life cycle assessments, scenario comparisons, or reporting requirements.