Duke Energy Carolinas is the electric utility generating the greatest amount of coal power in the United States. In 2023, the utility which provides services in the East of the country produced ** terawatt-hours of coal-fired electricity. It is also the fourth largest U.S. utility using coal not committed to retire by 2030, with **** terawatt-hours worth of coal power expected to remain.
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Sierra Club. (September 4, 2024). Leading electric utilities by coal-fired electricity generation in the United States in 2023 (in terawatt-hours) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 15, 2026, from /statistics/1268549/leading-us-coal-power-generating-utilities/
Sierra Club. "Leading electric utilities by coal-fired electricity generation in the United States in 2023 (in terawatt-hours)." Chart. September 4, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 15, 2026. /statistics/1268549/leading-us-coal-power-generating-utilities/
Sierra Club. (2024). Leading electric utilities by coal-fired electricity generation in the United States in 2023 (in terawatt-hours). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 15, 2026. /statistics/1268549/leading-us-coal-power-generating-utilities/
Sierra Club. "Leading Electric Utilities by Coal-fired Electricity Generation in The United States in 2023 (in Terawatt-hours)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 4 Sep 2024, /statistics/1268549/leading-us-coal-power-generating-utilities/
Sierra Club, Leading electric utilities by coal-fired electricity generation in the United States in 2023 (in terawatt-hours) ÌÇÐÄÆÆ½â°æ, /statistics/1268549/leading-us-coal-power-generating-utilities/ (last visited July 15, 2026)
Leading electric utilities by coal-fired electricity generation in the United States in 2023 (in terawatt-hours) [Graph], Sierra Club, September 4, 2024. [Online]. Available: /statistics/1268549/leading-us-coal-power-generating-utilities/