Operating expenses for fossil steam power plants run by major U.S. investor-owned electric utilities totaled 34.86 mills per kilowatt hour in 2020. In that same year, figures for hydroelectric power plants amounted to 12.71 mills per kilowatt hour. According to the source, a mill is a monetary cost and billing unit equal to 1/1000 of the U.S. dollar (equivalent to 1/10 of one cent).
Average power plant operating expenses for major investor-owned electric utilities in the U.S. from 1998 to 2020
(in mills per kilowatt hour)
including operation, maintenance, and fuel expenses
Supplementary notes
* Gas turbine, internal combustion, photovoltaic, and wind plants.
** Conventional hydro and pumped storage. Figures are compiled from several editions of the publication. According to the source, a mill is a monetary cost and billing unit equal 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. (October 29, 2021). Average power plant operating expenses for major investor-owned electric utilities in the U.S. from 1998 to 2020 (in mills per kilowatt hour) [Graph]. In Statista. Retrieved January 23, 2022, from https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/
EIA. "Average power plant operating expenses for major investor-owned electric utilities in the U.S. from 1998 to 2020 (in mills per kilowatt hour)." Chart. October 29, 2021. Statista. Accessed January 23, 2022. https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/
EIA. (2021). Average power plant operating expenses for major investor-owned electric utilities in the U.S. from 1998 to 2020 (in mills per kilowatt hour). Statista. Statista Inc.. Accessed: January 23, 2022. https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/
EIA. "Average Power Plant Operating Expenses for Major Investor-owned Electric Utilities in The U.S. from 1998 to 2020 (in Mills per Kilowatt Hour)." Statista, Statista Inc., 29 Oct 2021, https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/
EIA, Average power plant operating expenses for major investor-owned electric utilities in the U.S. from 1998 to 2020 (in mills per kilowatt hour) Statista, https://www.statista.com/statistics/195814/us-power-plant-operating-expenses-since-1998/ (last visited January 23, 2022)
