Table 42. Carbon Emissions for Fossil Generating Technologies

Technology Carbon Emissions Efficiency (Percent) (Illustrative)
Pounds per Million Btu Consumed Pounds per Megawatthour Generated
Coal Technologies
Existing Coal 57 571 34
New Pulverized Coal 57 519 38
Advanced Coal 57 418 47
Gas Technologies
Conventional Turbine 32 336 32
Advanced Turbine 32 253 43
Existing Gas Steam 32 326 33
Conventional Combined-Cycle 32 222 49
Advanced Combined-Cycle 32 201 54
Fuel Cell 32 170 64
Source: Energy Information Administration, Office of Integrated Analysis and Forecasting.