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Electric Power Annual

With Data for 2024 Release Date: October 16, 2025 Next Release: October 2026 full report PDF
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SAS Output
Table 4.14. Fuel-Switching Capacity of Operable Generators Reporting Natural Gas as the Primary Fuel,
by Year of Initial Commercial Operation, 2024 (Megawatts, Percent)

Year of Initial Commercial Operation Number of Natural Gas-Fired Generators Reporting the Ability to Switch to Petroleum Liquids
Net Summer Capacity of Natural Gas-Fired Generators Reporting the Ability to Switch to Petroleum Liquids		 Fuel Switchable Net Summer Capacity Reported to Have No Factors that Limit the Ability to Switch to Petroleum Liquids
Pre-1970 230 9,461.1 3,497.8
1970-1974 203 11,085.5 4,182.5
1975-1979 84 10,009.2 3,960.4
1980-1984 39 844.6 205.6
1985-1989 72 2,144.4 184.8
1990-1994 175 10,849.3 1,301.6
1995-1999 119 8,765.6 946.0
2000-2004 393 37,351.6 5,639.1
2005-2009 120 15,929.1 1,970.8
2010-2014 99 11,461.6 243.3
2015-2019 68 9,417.9 2,678.1
2020-2024 29 3,234.3 2,180.8
Total 1,631 130,554.2 26,990.7

Notes: Petroleum liquids include distillate fuel oil (all diesel and No. 1, No. 2, and No. 4 fuel oils), residual fuel oil (No. 5 and No. 6 fuel oils and bunker C fuel oil), jet fuel, kerosene, waste oil, and propane.
Source: U.S. Energy Information Administration, Form EIA-860, "Annual Electric Generator Report."