As of December 31, 2021, there were 24,645 electric generators at about 11,925 utility-scale electric power plants in the United States. Utility-scale power plants have a total nameplate electricity generation capacity of at least 1 megawatt (MW). A power plant may have one or more generators, and some generators may use more than one type of fuel.
Electric Power Annual, Table 4.1: Count of electric power industry power plants by sector, by predominant energy sources within plant (some power plants are double-counted by fuel type in Table 4.1), and Table 4.3: Existing capacity by energy source (includes number of generators by type of main fuel/energy source)
Downloadable databases with detailed data on individual generators and power plants
Last updated: November 8, 2022