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Retrofit Options in EPA 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

 

 


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