In 2021, less than 200 miles of electricity transmission lines were completed in the United States. Projects with a voltage up to 230 kilovolts accounted for roughly 52 percent of the length completed that year. No projects with a voltage of 500 kilovolts were completed.
Electric transmission projects completed in the United States in 2021, by voltage
(in miles)
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US Department of Energy, & FERC. (March 8, 2022). Electric transmission projects completed in the United States in 2021, by voltage (in miles) [Graph]. In Statista. Retrieved June 25, 2022, 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 in 2021, by voltage (in miles)." Chart. March 8, 2022. Statista. Accessed June 25, 2022. https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/
US Department of Energy, FERC. (2022). Electric transmission projects completed in the United States in 2021, by voltage (in miles). Statista. Statista Inc.. Accessed: June 25, 2022. 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 in 2021, by Voltage (in Miles)." Statista, Statista Inc., 8 Mar 2022, 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 in 2021, by voltage (in miles) Statista, https://www.statista.com/statistics/551519/us-line-length-of-electricity-transmission-projects-completed/ (last visited June 25, 2022)