Global Warming Potential (GWP)
A measure of how much heat a greenhouse gas traps in the atmosphere
What is Global Warming Potential (GWP)?
GWP measures the heat-absorbing ability of a greenhouse gas relative to CO2 over a specific time period (usually 100 years). CO2 has a GWP of 1; methane has a GWP of 28-36.
Why It Matters for SECR
GWP allows conversion of different gases to CO2 equivalent (CO2e). This is essential for adding emissions from different sources together.
Examples
- 1
CO2: GWP of 1
- 2
Methane: GWP of 28-36 over 100 years
- 3
Nitrous oxide: GWP of 265-298
SECR Reporting Requirements
Use UK Government factors which incorporate GWP
Related Terms
How Global Warming Potential (GWP) Fits Into Your SECR Report
Understanding Global Warming Potential (GWP) is essential for accurate SECR reporting. This concept appears throughout the reporting process—from data collection to final disclosure. Make sure your finance and sustainability teams have a shared understanding of this term.
For practical guidance on applying this concept, see our calculation guides or use the compliance checker to assess your specific situation.
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