Electric Power Annual
| Table 4.14. Fuel-Switching Capacity of Operable Generators Reporting Natural Gas as the Primary Fuel, |
| by Year of Initial Commercial Operation, 2023 (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 | 9,902.3 | 3,571.9 |
| 1970-1974 | 204 | 10,675.6 | 3,711.5 |
| 1975-1979 | 89 | 10,508.6 | 3,971.1 |
| 1980-1984 | 38 | 834.6 | 205.6 |
| 1985-1989 | 73 | 2,149.3 | 184.8 |
| 1990-1994 | 181 | 10,962.5 | 1,307.1 |
| 1995-1999 | 121 | 8,787.8 | 950.0 |
| 2000-2004 | 400 | 38,013.3 | 5,586.1 |
| 2005-2009 | 115 | 15,382.6 | 1,739.0 |
| 2010-2014 | 100 | 11,465.6 | 246.4 |
| 2015-2019 | 68 | 9,433.3 | 2,671.0 |
| 2020-2023 | 26 | 2,764.3 | 2,180.8 |
| Total | 1,645 | 130,879.8 | 26,325.3 |
| 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." |