EnvironmentUp to date · Jan 15, 2026
eGRID
The EPA's Emissions & Generation Resource Integrated Database — the definitive source for emissions data on U.S. power plants and electric grids, organized by region and subregion.
Why It Matters
eGRID data tells you exactly how clean (or dirty) your regional electricity is. It's the basis for calculating your home's electricity-related carbon footprint.
Related Topics
Related Terms
Emissions Factor
The amount of CO₂ (or CO₂ equivalent) emitted per unit of electricity generated, typically in lbs CO₂/kWh or kg CO₂/MWh. It varies by region based on the generation mix.
Carbon Intensity
The amount of CO2 emissions per unit of electricity generated. Varies by grid mix (coal, gas, renewables).