Frequently Asked Questions
How much of U.S. carbon dioxide emissions are associated with electricity generation?
In 2016, emissions of carbon dioxide (CO2) by the U.S. electric power sector1 were 1,821 million metric tons, or about 35% of the total U.S. energy-related CO2 emissions of 5,171 million metric tons.2
CO2 emissions from U.S. electric power sector by source, 2016
| Source | Million metric tons | Share of total |
| Coal | 1,241 | 68% |
| Natural gas | 546 | 30% |
| Petroleum | 21 | 1% |
| Other3 | 12 | <1% |
| Total | 1,821 |
1 An energy-consuming sector that consists of electricity-only power plants and combined-heat-and-power plants whose primary business is to sell electricity, or electricity and heat, to the public.
2 Preliminary data for 2016.
3 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 12.1 and 12.6 contain the most recent estimates of monthly and annual U.S. energy-related CO2 emissions, total and by the electric power sector.
Electric Power Annual, Table 9.1: Emissions from energy consumption at conventional power plants and combined-heat-and-power plants.
Energy Explained: Energy and the Environment–Greenhouse gases
Energy Explained: Where Greenhouse Gases Come From
Last updated: May 10, 2017
Other FAQs about Renewables
- Does EIA have data on the movement of crude oil, ethanol, and biodiesel by rail and truck?
- Does EIA have ethanol price data?
- Does EIA have projections for energy production, consumption, and prices for individual states?
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- How much biodiesel is produced, imported, exported, and consumed in the United States?
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- How much ethanol is produced, imported, and consumed in the United States?
- 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?
- What is U.S. electricity generation by energy source?