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Manage the that drive carbon calculations in the portfolio view. Expand Emissions in the left sidebar and open Emission Factors to create, publish, and edit factor sets. For how factors convert activity into carbon, see Emission factors. Click Emissions > Emission Factors in the portfolio left sidebar.
Emissions Factor Library page with Search field, Filter button, Create Factor button, and table with Name Status Methodology Scope Service Type Country Region Grid Source and Created columns showing factors such as AIB EU Residual Mix and California Market Based

Emissions Factor Library with search, filters, and the factors table

Click + Create Factor to open the Create Factor Set panel. Review the library table to check existing factors before you add or edit entries. For the column definitions in this table, see emission factor fields.

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Search and filter factors

Use Search to find factors by name. Click Filter to show additional filters.
Search field with Filter button and dropdown filters for Status Service Type Country Methodology and Effective date range with calendar icon

Emission factor filters for Status, Service Type, Country, Methodology, and effective date range

Use pagination at the bottom to move through large libraries (for example, 1–50 of 139).

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Publish or edit a factor

Each factor row includes actions on the right side of the table.
Emission factor table row actions showing Publish Draft tooltip on the publish icon, edit pencil icon, and delete trash icon for a draft factor dated 05/05/2026

Publish Draft action on a draft emission factor row

Factors with Active status are already published. Click Publish Draft on draft rows (such as California Market Based) before you rely on them in emissions reports.

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Create a factor set

Click + Create Factor to open the Create Factor Set panel on the right.
Create Factor Set side panel with Factor Name Description Organization Default checkbox Service Type Methodology and Scopes fields, Documentation section with Source Reference Provenance and Documentation Notes, and Close Add Factor Version and Save buttons

Create Factor Set panel with Basic Information and Documentation sections

1

Enter basic information

Fill in Factor Name, Service Type, and Scopes (for example, ). Add Description, Methodology, and Organization Default when needed.
2

Add documentation

Enter Provenance and optional Source Reference and Documentation Notes.
3

Configure geography or buildings

Choose Apply to Building or Apply geography wise. When you apply geography wise, set Country, then Region and Grid Code, which activate after you select a country.
4

Save the factor set

Click Add Factor Version to add a version before you save, or click Save to store the factor set. Click Close to exit without saving.
For the full list of factor set fields, see emission factor fields.
Factors in Draft status do not affect production calculations until you activate them. Review draft entries before you rely on them in Emissions overview or Benchmarking.

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Next steps

Emissions accounting

Understand how factors convert activity into carbon.

Emissions reference

Look up the full emission factor field list.

Emissions overview

See how factors roll up in portfolio emissions charts.

Volume contracts

Manage REC and volume-based emission contracts.

Fleet emissions

Manage vehicles and mileage for Scope 1 mobile combustion.

Fugitive emissions

Track refrigerant loss for Scope 1 fugitive reporting.
Last modified on August 18, 2026