| Table 4.14. Fuel-Switching Capacity of Operable Generators Reporting Natural Gas as the Primary Fuel, |
| by Year of Initial Commercial Operation, 2022 (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 | 242 | 10,391.4 | 4,281.7 |
| 1970-1974 | 213 | 10,592.2 | 3,775.8 |
| 1975-1979 | 89 | 10,530.4 | 3,959.0 |
| 1980-1984 | 39 | 1,038.2 | 203.8 |
| 1985-1989 | 75 | 2,249.7 | 193.2 |
| 1990-1994 | 176 | 10,345.1 | 1,302.7 |
| 1995-1999 | 121 | 8,760.9 | 1,663.5 |
| 2000-2004 | 390 | 37,110.2 | 6,293.1 |
| 2005-2009 | 116 | 15,524.6 | 1,731.0 |
| 2010-2014 | 100 | 11,464.0 | 246.4 |
| 2015-2019 | 66 | 8,953.8 | 2,681.0 |
| 2020-2022 | 19 | 2,611.3 | 2,180.8 |
| Total | 1,646 | 129,571.8 | 28,512.0 |
| 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." |