The most polluting power producer in the United States in 2021 was Vistra Energy, having emitted *** million tons of carbon dioxide (MTCOâ‚‚). Coal-fired plants accounted for roughly ** percent of Vistra Energy's COâ‚‚ emissions that year, while natural gas accounted for ** percent. Coal is the most polluting of fossil fuel, typically producing twice the carbon emissions of natural gas when combusted.
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MJB&A, & ERM. (November 21, 2023). Carbon dioxide emissions from leading electric power producers in the United States in 2021, by fuel source (in million tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/
MJB&A, und ERM. "Carbon dioxide emissions from leading electric power producers in the United States in 2021, by fuel source (in million tons)." Chart. November 21, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/
MJB&A, ERM. (2023). Carbon dioxide emissions from leading electric power producers in the United States in 2021, by fuel source (in million tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/
MJB&A, and ERM. "Carbon Dioxide Emissions from Leading Electric Power Producers in The United States in 2021, by Fuel Source (in Million Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 Nov 2023, /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/
MJB&A & ERM, Carbon dioxide emissions from leading electric power producers in the United States in 2021, by fuel source (in million tons) ÌÇÐÄÆƽâ°æ, /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/ (last visited July 27, 2026)
Carbon dioxide emissions from leading electric power producers in the United States in 2021, by fuel source (in million tons) [Graph], MJB&A, & ERM, November 21, 2023. [Online]. Available: /statistics/1195597/total-co2-emissions-from-leading-power-producers-in-the-us-by-source/
