In 2021, Avangrid and Constellation Energy tied as the investor-owned electric utilities with the highest decarbonization index score in the United States, with an overall score of 4.8 points. They were closely followed by Public Service Enterprise Group (PSEG), which scored 4.6 that year. The U.S.'s power sector carbon intensity stood at 804 pounds of CO2 per megawatt-hour in 2022.
Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score
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Decarbonization index score
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According to the source, the decarbonization index score ranges from 1 (lowest) to 5 (highest), and indicates decarbonization relative to peer utilities. The score is an average of six metrics that include fuel mix, CO₂ emissions intensity, total CO₂ emissions, CO₂ emissions per capita, decarbonization goals, and low-carbon investment.
Various sources refers to company's sustainability reports.
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Visual Capitalist. (October 9, 2023). Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score [Graph]. In Statista. Retrieved August 25, 2024, from https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/
Visual Capitalist. "Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score." Chart. October 9, 2023. Statista. Accessed August 25, 2024. https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/
Visual Capitalist. (2023). Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score. Statista. Statista Inc.. Accessed: August 25, 2024. https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/
Visual Capitalist. "Leading Investor-owned Electric Utilities in The United States in 2021, Based on Decarbonization Index Score." Statista, Statista Inc., 9 Oct 2023, https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/
Visual Capitalist, Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score Statista, https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/ (last visited August 25, 2024)
Leading investor-owned electric utilities in the United States in 2021, based on decarbonization index score [Graph], Visual Capitalist, October 9, 2023. [Online]. Available: https://www.statista.com/statistics/1334789/leading-investor-owned-electric-utilities-by-decarbonization-score-us/
