Renewable energy certificate (REC)
A certificate showing that one megawatt-hour of electricity was produced from renewable sources.
In Europe the equivalent is a Guarantee of Origin. Certificates support market-based Scope 2 reporting.
Find providers and guides
Related terms
Guides
- How to collect Scope 3 data from suppliers
- Scope 1, 2 and 3 emissions explained, with examples
- Best carbon accounting software in 2026: how to shortlist and compare
Reviewed 14 October 2026. General information, not legal advice.