Operating expenses for fossil steam power plants run by major United States' investor-owned electric utilities totaled 42.67 mills per kilowatt-hour in 2023. In that same year, figures for hydroelectric power plants amounted to 14.71 mills per kilowatt-hour, the cheapest costs among the reported plant types.
Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023
(in mills per kilowatt-hour)
including operation, maintenance, and fuel expenses
Supplementary notes
* Includes gas turbine, internal combustion, photovoltaic, and wind plants.
** Includes conventional hydro and pumped storage. Figures are compiled from several editions of the publication. According to the source, a mill equals to 1/1,000 of the U.S. dollar (equivalent to 1/10 of one cent). Totals may not equal sum of components because of independent rounding.
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EIA. (December 20, 2024). Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023 (in mills per kilowatt-hour) [Graph]. In Statista. Retrieved February 07, 2025, from https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed
EIA. "Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023 (in mills per kilowatt-hour)." Chart. December 20, 2024. Statista. Accessed February 07, 2025. https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed
EIA. (2024). Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023 (in mills per kilowatt-hour). Statista. Statista Inc.. Accessed: February 07, 2025. https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed
EIA. "Average Power Plant Operating Expenses for Major Investor-owned Electric Utilities in The United States from 1998 to 2023 (in Mills per Kilowatt-hour)." Statista, Statista Inc., 20 Dec 2024, https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed
EIA, Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023 (in mills per kilowatt-hour) Statista, https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed (last visited February 07, 2025)
Average power plant operating expenses for major investor-owned electric utilities in the United States from 1998 to 2023 (in mills per kilowatt-hour) [Graph], EIA, December 20, 2024. [Online]. Available: https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/?__sso_cookie_checker=failed