Retrofit Options in Base Case v.3.0
| Retrofit Option | Retrofit Option Description |
|---|---|
| Combustion Turbine Retirement Option | |
| RET1 | Early Retirement |
| Combined Cycle Retirement Option | |
| RET2 | Early Retirement |
| Oil/Gas Steam Retrofit Options | |
| RET3 | Early Retirement |
| OC01 | Oil/Gas Steam to Combined Cycle Repowering (for units smaller than 175 MW) |
| OC02 | Oil/Gas Steam to Combined Cycle Repowering (for units larger than 175 MW and smaller than 375 MW) |
| OC03 | Oil/Gas Steam to Combined Cycle Repowering (for units larger than 375 MW and smaller than 750 MW) |
| OC04 | Oil/Gas Steam to Combined Cycle Repowering (for units larger than 750 MW) |
| SCO1 | SCR |
| SCN1 | SNCR |
| Coal Steam Retrofit Options | |
| RET4 | Early Retirement |
| CC01 | Coal Steam to Combined Cycle Repowering (for units smaller than 175 MW) |
| CC02 | Coal Steam to Combined Cycle Repowering (for units larger than 175 MW and smaller than 375 MW) |
| CC03 | Coal Steam to Combined Cycle Repowering (for units larger than 375 MW and smaller than 750 MW) |
| CC04 | Coal Steam to Combined Cycle Repowering (for units larger than 750 MW) |
| CG01 | Coal Steam to IGCC Repowering (for units smaller than 175 MW) |
| CG02 | Coal Steam to IGCC Repowering (for units larger than 175 MW and smaller than 375 MW) |
| CG03 | Coal Steam to IGCC Repowering (for units larger than 375 MW and smaller than 750 MW) |
| CG04 | Coal Steam to IGCC Repowering (for units larger than 750 MW) |
| SCR1 | SCR (for units that do not possess an existing post combustion NOx control option) |
| SCR2 | SCR (for units with an existing SNCR) |
| SNR1 | SNCR (for Non Cyclone and Non FBC Boilers) |
| SNC1 | SNCR (for Cyclone Boilers) |
| SNF1 | SNCR (for FBC Units) |
| LSF1 | LSFO Scrubber |
| LSD1 | LSD Scrubber |
| RSD1 | LSD Scrubber (LSD1) + SCR (SCR1) |
| RSD2 | LSD Scrubber (LSD1) + SCR (SCR2) |
| NSD1 | LSD Scrubber (LSD1) + SNCR (SNR1) |
| CSD1 | LSD Scrubber (LSD1) + SNCR (SNC1) |
| RSO1 | LSFO Scrubber (LSF1) + SCR (SCR1) |
| RSO2 | LSFO Scrubber (LSF1) + SCR (SCR2) |
| NSO1 | LSFO Scrubber (LSF1) + SNCR (SNR1) |
| CSO1 | LSFO Scrubber (LSF1) + SNCR (SNC1) |
| HG01 | ACI (Low Sulfur Bituminous) |
| HG02 | ACI (Low Sulfur Bituminous) |
| HG07 | ACI (Low Sulfur Bituminous) |
| HG08 | ACI (Low Sulfur Bituminous) |
| HG03 | ACI (High Sulfur Bituminous) |
| HG04 | ACI (High Sulfur Bituminous) |
| HG05 | ACI (High Sulfur Bituminous) |
| HG06 | ACI (High Sulfur Bituminous) |
| HG11 | ACI (Sub-Bituminous) |
| HG12 | ACI (Sub-Bituminous) |
| HG09 | ACI (Lignite) |
| HG10 | ACI (Lignite) |
| Nuclear Plant Retirement Option | |
| RET5 | Early Retirement |