| Table 4.13. Fuel-Switching Capacity of Operable Generators Reporting Natural Gas as the Primary Fuel, |
| by Type of Prime Mover, 2015 (Megawatts, Percent) |
| Prime Mover Type | 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 |
|---|---|---|---|
| Steam Generator | 200 | 29,440.7 | 8,418.4 |
| Combined Cycle | 404 | 46,078.4 | 6,233.3 |
| Internal Combustion | 325 | 1,164.9 | 281.0 |
| Gas Turbine | 902 | 56,095.6 | 11,411.5 |
| All Fuel Switchable Prime Movers | 1,831 | 132,779.6 | 26,344.2 |
| 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.' |