Carbon GPT
User Guide

PCAF EF

Written by Danial Hanif (Product Engineer)
Published Sep 24, 2026 Updated Sep 23, 2026

The library of emission factors used for PCAF calculations, grouped by source and MSIC category.

PCAF EF screen in CarbonGPT
PCAF EF screen in CarbonGPT

Open PCAF EF in Carbon GPT →

What you can do

  • Browse factors by source — CEDA and CREEM — and the number of categories in each.
  • Search by MSIC code, building type or source.
  • Open a category to see its factors by year, with the Scope 1 and Scope 2 values and their unit.

How to find an emission factor

1. Choose a source

Under Sources & Categories, expand CEDA or CREEM, or search for an MSIC code, building type or source.

Step 1: Choose a source
Step 1: Choose a source

2. Open a category

Click a category to see its factors. Each row shows the year, the MSIC code, the Scope 1 and Scope 2 factor, and the unit, for example tCO2e/MYR.

Step 2: Open a category
Step 2: Open a category