Facility Name:Cedar Bayou 4
Facility Identifier:
Facility Reporting Year:2023
Facility Location:
Address: 7705 WEST BAY ROAD
City: ELDON
State: TX
Postal Code: 77523

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):678,857.6
CO2 equivalent emissions from supplier subparts LL-QQ (metric tons):
Biogenic CO2 emissions from facility subparts C-II, SS, and TT (metric tons):0
Cogeneration Unit Emissions Indicator:N
GHG Report Start Date:2023-01-01
GHG Report End Date:2023-12-31
Description of Changes to Calculation Methodology:
Plant Code Indicator:Y
Primary NAICS Code:221112
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:NRG ENERGY INC
Address:910 Louisiana Street, Houston,  TX 77002
Percent Ownership Interest:50
Parent Company Name:OPTIM ENERGY LLC
Address:225 E John Carpenter Freeway, Suite 1500, Irving,  TX 75062
Percent Ownership Interest:50

Subpart D: Electricity Generation

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity678,168.2 (Metric Tons)
Own Result?

Gas NameBiogenic Carbon dioxide
Gas Quantity0 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity12.58 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity1.258 (Metric Tons)
Own Result?

Unit Details:

Unit Name : CBY42
Unit Type : Electricity Generator
Unit Description :
Plant Code : 56806 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-06-24
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 305845.7
Annual CO2 Emissions Including Biomass (short tons): 337133.7
Annual CO2 Emissions from Biomass (metric tons): 0

Appendix G Equation G4:
Operating Hours Fuel Flow Rate: 0
Operating Hours HHV Substitution: 0

Electricity Fuel Details:
Fuel type: Natural Gas (Weighted U.S. Average)
Annual heat input:  5672878 (mmBtu)
CH4 Emissions CO2 Equivalent:  141.8  (Metric Tons)
N2O Emissions CO2 Equivalent:  169.1  (Metric Tons)


Unit Name : CBY41
Unit Type : Electricity Generator
Unit Description :
Plant Code : 56806 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-06-18
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 372322.5
Annual CO2 Emissions Including Biomass (short tons): 410411.1
Annual CO2 Emissions from Biomass (metric tons): 0

Appendix G Equation G4:
Operating Hours Fuel Flow Rate: 0
Operating Hours HHV Substitution: 0

Electricity Fuel Details:
Fuel type: Natural Gas (Weighted U.S. Average)
Annual heat input:  6905979 (mmBtu)
CH4 Emissions CO2 Equivalent:  172.6  (Metric Tons)
N2O Emissions CO2 Equivalent:  205.8  (Metric Tons)