In 2019, emissions of carbon dioxide (CO2) by the U.S. electric power sector were 1,618 million metric tons (MMmt), or about 31% of total U.S. energy-related CO2 emissions of 5,146 (MMmt).
CO2 emissions by U.S. electric power sector by source, 2019
Source | Million metric tons | Share of sector total |
Coal | 973 | 60% |
Natural gas | 618 | 38% |
Petroleum | 16 | 1% |
Other1 | 11 | <1% |
Total | 1,618 |
1 Includes CO2 emissions from the combustion of miscellaneous waste materials made from fossil fuels and by some types of geothermal power generation.
Learn more:
Monthly Energy Review, Tables 11.1 and 11.6 contain the most recent estimates of monthly and annual U.S. energy-related CO2 emissions, total and by the electric power sector.
U.S. Energy-Related Carbon Dioxide Emissions
State Carbon Dioxide Emissions Data
Energy Explained: Where Greenhouse Gases Come From
Last updated: December 1, 2020