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Electricity generation - Fossil fuel output rate

Name: Electricity generation - Fossil fuel output rate
Creator: U.S. EPA Emissions & Generation Resource Integrated Database (eGRID)
License: https://www.epa.gov/egrid/frequent-questions-about-egrid

Electricity Electricity by generation technology GenerationUP··partAverage

0.628445kgCO₂e/kWhGWP: AR6 (as published)

Published by U.S. EPA Emissions & Generation Resource Integrated Database (eGRID) in U.S. EPA Emissions & Generation Resource Integrated Database (eGRID) eGRID2023 rev2 (Any year); last verified 2026-08-28.

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Values by year and methodology


Any year

By gas

co2	0.62596	99.6%
ch4	0.00105	0.2%
n2o	0.001436	0.2%

Cite this factor

open-climate.ai (n.d.). Electricity generation - Fossil fuel output rate [emission factor]. U.S. EPA Emissions & Generation Resource Integrated Database (eGRID), U.S. EPA Emissions & Generation Resource Integrated Database (eGRID) eGRID2023 rev2. Dataset 2026-08-28. Retrieved 2026-09-25. https://open-climate.ai/factors/ef-egrid-electricity_generation-us_spso-kwh-generation-ff59b9f3