GHG Summary Report

CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):2,420,044.8
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:THE SOUTHERN CO
Address:30 Ivan Allen Jr Boulevard Nw, Suite 1407, Atlanta, GA 30308-3008
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	16.3 (Metric Tons)
Own Result?

Gas Name	Biogenic Carbon dioxide
Gas Quantity	0 (Metric Tons)
Own Result?

Gas Name	Methane
Gas Quantity	0 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	0 (Metric Tons)
Own Result?

Unit Details:

Unit Name : GP- Control Gas Catalytic Heaters
Unit Description :

Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 0.0025
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual CO₂ mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 16.3 (metric tons)

Tier Fuel Details:

Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31
Frequency of HHV determinations : Monthly

Tier 2 Monthly HHV Details :

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
16.3 (Metric Tons)	0.00 (Metric Tons)	0.000 (Metric Tons)	0 (Metric Tons)	0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 297670 (scf/year)
Use Default High Heat Value : true
High Heat Value : 0.00103 (mmBtu/scf)

Subpart D: Electricity Generation

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	2,417,571.3 (Metric Tons)
Own Result?

Gas Name	Biogenic Carbon dioxide
Gas Quantity	0 (Metric Tons)
Own Result?

Gas Name	Methane
Gas Quantity	44.84 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	4.484 (Metric Tons)
Own Result?

Unit Details:

Unit Name : 1A
Unit Type : Electricity Generator
Unit Description :
Plant Code : 7897 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2003-04-25
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 469187.4
Annual CO2 Emissions Including Biomass (short tons): 517185.3
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: 8702612 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 217.6 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 259.3 (Metric Tons)

Unit Name : 1B
Unit Type : Electricity Generator
Unit Description :
Plant Code : 7897 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2003-04-21
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 494979.7
Annual CO2 Emissions Including Biomass (short tons): 545616.1
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: 9181070 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 229.5 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 273.6 (Metric Tons)

Unit Name : 2A
Unit Type : Electricity Generator
Unit Description :
Plant Code : 7897 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2003-05-06
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 719830.4
Annual CO2 Emissions Including Biomass (short tons): 793469.1
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: 13351651 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 333.8 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 397.9 (Metric Tons)

Unit Name : 2B
Unit Type : Electricity Generator
Unit Description :
Plant Code : 7897 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2003-05-02
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 733573.8
Annual CO2 Emissions Including Biomass (short tons): 808618.4
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: 13606552 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 340.2 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 405.5 (Metric Tons)