Approximately ** tons of nitrogen oxides (NOx) were emitted by electric utilities in the United States in 2023. This was a decrease of over ** percent from the previous year, and a decrease of almost ** percent relative to 1990 levels.
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Environmental Protection Agency. (February 9, 2024). Annual nitrogen oxides (NOx) emissions from electric utilities in the United States from 1970 to 2023 (in 1,000 tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 01, 2026, from /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/
Environmental Protection Agency. "Annual nitrogen oxides (NOx) emissions from electric utilities in the United States from 1970 to 2023 (in 1,000 tons)." Chart. February 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed August 01, 2026. /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/
Environmental Protection Agency. (2024). Annual nitrogen oxides (NOx) emissions from electric utilities in the United States from 1970 to 2023 (in 1,000 tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 01, 2026. /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/
Environmental Protection Agency. "Annual Nitrogen Oxides (Nox) Emissions from Electric Utilities in The United States from 1970 to 2023 (in 1,000 Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Feb 2024, /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/
Environmental Protection Agency, Annual nitrogen oxides (NOx) emissions from electric utilities in the United States from 1970 to 2023 (in 1,000 tons) ÌÇÐÄÆƽâ°æ, /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/ (last visited August 01, 2026)
Annual nitrogen oxides (NOx) emissions from electric utilities in the United States from 1970 to 2023 (in 1,000 tons) [Graph], Environmental Protection Agency, February 9, 2024. [Online]. Available: /statistics/504380/volume-of-nitrogen-oxides-emissions-from-fuel-combustion-in-electric-utilities-us/
