# Renewable Energy Certificate (REC)

> Tradable certificate proving 1 MWh of renewable generation.

**Canonical URL:** https://classa.info/glossary/renewable-energy-certificate
**Page type:** glossary
**Last updated:** 2026-04-01T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- Tradable certificate proving 1 MWh of renewable generation.
- Allows a landlord/tenant to claim renewable-electricity consumption when the local grid is fossil-heavy.

## Key facts
- **category**: ESG
- **regionScope**: US

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Citation: Source: Class A Atlas (https://classa.info/glossary/renewable-energy-certificate), updated 2026-04-01T00:00:00.000Z.