*"Privately/investor owned†power producers include investor owned, privately held, and foreign owned corporations. This chart does not show public power producers (federal power authorities, state power authorities, municipalities, power districts) or cooperatives. Based on emissions information of power producers, not distribution utilities that deliver electricity to customers
Emission rate (lbs/MWh): Average pounds of pollutant (e.g., COâ‚‚, SOâ‚‚, NOx) emitted for each megawatt-hour of electricity generation in a region.
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COâ‚‚ emission rate of leading power producers in the United States 2022
Vistra Energy had a carbon dioxide (COâ‚‚) emission rate of pounds per megawatt hour of electricity generated (lb/MWh) in 2022. Vistra Energy was the biggest COâ‚‚ emitting power producer in the U.S. in 2022, having emitted almost 100 million metric tons of COâ‚‚.
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ERM. (November 19, 2024). Carbon dioxide (COâ‚‚) emission rate of leading power producers in the United States in 2022 (in pounds per megawatt hour) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 04, 2026, from /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/
ERM. "Carbon dioxide (COâ‚‚) emission rate of leading power producers in the United States in 2022 (in pounds per megawatt hour)." Chart. November 19, 2024. ÌÇÐÄÆÆ½â°æ. Accessed August 04, 2026. /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/
ERM. (2024). Carbon dioxide (COâ‚‚) emission rate of leading power producers in the United States in 2022 (in pounds per megawatt hour). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 04, 2026. /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/
ERM. "Carbon Dioxide (Coâ‚‚) Emission Rate of Leading Power Producers in The United States in 2022 (in Pounds per Megawatt Hour)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 19 Nov 2024, /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/
ERM, Carbon dioxide (COâ‚‚) emission rate of leading power producers in the United States in 2022 (in pounds per megawatt hour) ÌÇÐÄÆÆ½â°æ, /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/ (last visited August 04, 2026)
Carbon dioxide (COâ‚‚) emission rate of leading power producers in the United States in 2022 (in pounds per megawatt hour) [Graph], ERM, November 19, 2024. [Online]. Available: /statistics/1133209/power-producer-carbon-dioxide-emission-rate-ranking-united-states/