Primary data for Scope 3 greenhouse gas emissions includes data provided by
suppliers or other entities in the value chain related to specific activities in an
entity’s value chain. For example, primary data could be sourced from meter
readings, utility bills or other methods that represent specific activities in the
entity’s value chain. Primary data could be collected internally (for example,
through the entity’s own records), or externally from suppliers and other
value chain partners (for example, supplier-specific emission factors for
purchased goods or services). Data from specific activities within an entity’s
value chain provides a more accurate representation of the entity’s specific
value chain activities and, therefore, will provide a better basis for measuring
the entity’s Scope 3 greenhouse gas emissions.
Secondary data for Scope 3 greenhouse gas emissions is data that is not
obtained directly from specific activities within an entity’s value chain.
Secondary data is often supplied by third-party data providers and includes
industry-average data (for example, from published databases, government
statistics, literature studies and industry associations). Secondary data
includes data used to approximate the activity or emission factors.
Additionally, secondary data includes primary data from a specific activity
(proxy data) used to estimate greenhouse gas emissions for another activity. If
an entity uses secondary data to measure its Scope 3 greenhouse gas
emissions, it shall consider the extent to which the data faithfully represents
the entity’s activities.
Timely data that faithfully represents the jurisdiction of, and the
technology used for, the value chain activity and its greenhouse gas
emissions
If an entity uses secondary data, it shall prioritise the use of activity or
emissions data that is based on, or represents, the technology used in the
value chain activity the data is intended to represent. For example, an entity
might obtain primary data from its activities (for example, the specific aircraft
model, distance travelled and travel-class used by employees when travelling)
and would then use secondary data that represents the greenhouse gas
emissions arising from those activities to convert the primary data into an
estimate of its greenhouse gas emissions from air travel.
If an entity uses secondary data, it shall prioritise activity or emissions data
that is based on, or represents, the jurisdiction in which the activity
happened. For example, an entity shall prioritise emission factors that relate
to the jurisdiction in which the entity operates or in which the activity has
taken place.
If an entity uses secondary data, it shall prioritise activity or emissions data
that is timely and representative of the entity’s value chain activity during the
reporting period. In some jurisdictions, and for some technologies, secondary
data is collected annually and, therefore, the data is likely to be representative
of the entity’s current practice. However, some secondary data sources rely on
information collected in a reporting period that is different from the entity’s
own reporting period.
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IFRS SUSTAINABILITY DISCLOSURE STANDARDS
© IFRS Foundation 35