In 2024, over 350 miles of electricity transmission lines were completed in the United States, up from 319 miles the previous year. Projects with a voltage up to 345 kilovolts accounted for the majority of the length completed that year.
Electric transmission projects completed in the United States from 2019 to 2024, by voltage*
(in miles)
Characteristic
Less than or equal to 230
345
500
2024
94.4
150.5
125
2023
260.2
59.5
0
2022
476.6
197.7
0.3
2021
801
566.6
0
2020
229.1
652.8
251.4
2019
230.7
461.5
7.7
02505007501,0001,2501,5001,750
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US Department of Energy, & FERC. (February 5, 2025). Electric transmission projects completed in the United States from 2019 to 2024, by voltage* (in miles) [Graph]. In Statista. Retrieved April 02, 2025, from https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
US Department of Energy, und FERC. "Electric transmission projects completed in the United States from 2019 to 2024, by voltage* (in miles)." Chart. February 5, 2025. Statista. Accessed April 02, 2025. https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
US Department of Energy, FERC. (2025). Electric transmission projects completed in the United States from 2019 to 2024, by voltage* (in miles). Statista. Statista Inc.. Accessed: April 02, 2025. https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
US Department of Energy, and FERC. "Electric Transmission Projects Completed in The United States from 2019 to 2024, by Voltage* (in Miles)." Statista, Statista Inc., 5 Feb 2025, https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
US Department of Energy & FERC, Electric transmission projects completed in the United States from 2019 to 2024, by voltage* (in miles) Statista, https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/ (last visited April 02, 2025)
Electric transmission projects completed in the United States from 2019 to 2024, by voltage* (in miles) [Graph], US Department of Energy, & FERC, February 5, 2025. [Online]. Available: https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
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