How much of U.S. carbon dioxide emissions are associated with electricity generation?
In 2020, emissions of carbon dioxide (CO2) by the U.S. electric power sector were 1,448 million metric tons (MMmt), or about 32% of total U.S. energy-related CO2 emissions of 4,571 (MMmt).
CO2 emissions by U.S. electric power sector by source, 2020
|Source||Million metric tons||Share of sector total|
|Natural gas|| 635||44%|
|Petroleum|| 16|| 1%|
1Preliminary data for 2020. Includes CO2 emissions from the combustion of miscellaneous waste materials made from fossil fuels and by some types of geothermal power generation.
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. CO2 emissions from energy consumption by source and sector, 2020
U.S. Energy-Related Carbon Dioxide Emissions
State Carbon Dioxide Emissions Data
Energy Explained: Where Greenhouse Gases Come From
Last updated: May 14, 2021
Other FAQs about Electricity
- Can electric utility customers choose their electricity supplier?
- Does EIA have county-level energy production data?
- Does EIA have data on costs for electricity transmission and distribution?
- Does EIA have data on each power plant in the United States?
- Does EIA have forecasts or projections for energy production, consumption, and prices for individual states?
- Does EIA have information on unplanned outages or shutdowns of U.S. energy infrastructure?
- Does EIA publish data on peak or hourly electricity generation, demand, and prices?
- Does EIA publish electric utility rate, tariff, and demand charge data?
- Does EIA publish electricity consumption and price data by state and by utility?
- Does EIA publish energy consumption and price data for cities, counties, or by zip code?
- Does EIA publish the location of electric power plants, transmission lines, and substations?
- How is electricity used in U.S. homes?
- How many alternative fuel and hybrid vehicles are there in the United States?
- How many nuclear power plants are in the United States, and where are they located?
- How many power plants are there in the United States?
- How many smart meters are installed in the United States, and who has them?
- How much coal, natural gas, or petroleum is used to generate a kilowatthour of electricity?
- How much does it cost to build different types of power plants in the United States?
- How much does it cost to generate electricity with different types of power plants?
- How much electricity does a nuclear power plant generate?
- How much electricity does an American home use?
- How much electricity is lost in electricity transmission and distribution in the United States?
- How much electricity is used for cooling in the United States?
- How much electricity is used for lighting in the United States?
- How much energy does the world consume by each energy end-use sector?
- How much of U.S. carbon dioxide emissions are associated with electricity generation?
- How much of U.S. energy consumption and electricity generation comes from renewable energy sources?
- How much of world energy consumption and production is from renewable energy?
- How old are U.S. nuclear power plants, and when was the newest one built?
- What is U.S. electricity generation by energy source?
- What is the difference between electricity generation capacity and electricity generation?
- What is the efficiency of different types of power plants?
- What is the outlook for home heating fuel prices this winter?
- What types and amounts of energy are produced in each state?