GHG Summary Report

CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):2,699,795.3
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:DUKE ENERGY CORP
Address:550 S Tryon Street, Charlotte, NC 28202
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	16,668.4 (Metric Tons)
Own Result?

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

Gas Name	Methane
Gas Quantity	0.34 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	0.035 (Metric Tons)
Own Result?

Unit Details:

Unit Name : P2
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)

Annual CO2 emission measured by CEMS or Other Part75 Methodology : 7604.9
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31
Part75 Heat Input Method : Appendix D
Part 75 CO2 Methodology : Appendix D and G calculation method--- § 98.33(a)(5)(i)

Appendix D and G calculation method :
Source operating hours in the reporting year that fuel flow rate was missing : 0
Source operating hours in the reporting year that high heating value was missing : 0

Tier Fuel Details:

Fuel : Natural Gas (Weighted U.S. Average)

Fuel Emission Details :

Fuel type: Natural Gas (Weighted U.S. Average)
Annual heat input: 140688 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 3.5 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 4.2 (Metric Tons)

Fuel : Distillate Fuel Oil No. 2

Fuel Emission Details :

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 1892 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.3 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0.3 (Metric Tons)

Unit Name : P4
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)

Annual CO2 emission measured by CEMS or Other Part75 Methodology : 7817.4
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31
Part75 Heat Input Method : Appendix D
Part 75 CO2 Methodology : Appendix D and G calculation method--- § 98.33(a)(5)(i)

Appendix D and G calculation method :
Source operating hours in the reporting year that fuel flow rate was missing : 0
Source operating hours in the reporting year that high heating value was missing : 0

Tier Fuel Details:

Fuel : Natural Gas (Weighted U.S. Average)

Fuel Emission Details :

Fuel type: Natural Gas (Weighted U.S. Average)
Annual heat input: 147332 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 3.8 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 4.5 (Metric Tons)

Fuel : Distillate Fuel Oil No. 2

Fuel Emission Details :

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 0 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0 (Metric Tons)

Unit Name : P3
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)

Annual CO2 emission measured by CEMS or Other Part75 Methodology : 153.2
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31
Part75 Heat Input Method : Appendix D
Part 75 CO2 Methodology : Appendix D and G calculation method--- § 98.33(a)(5)(i)

Appendix D and G calculation method :
Source operating hours in the reporting year that fuel flow rate was missing : 0
Source operating hours in the reporting year that high heating value was missing : 0

Tier Fuel Details:

Fuel : Distillate Fuel Oil No. 2

Fuel Emission Details :

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 2071 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.3 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0.3 (Metric Tons)

Unit Name : P1
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)

Annual CO2 emission measured by CEMS or Other Part75 Methodology : 380.3
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31
Part75 Heat Input Method : Appendix D
Part 75 CO2 Methodology : Appendix D and G calculation method--- § 98.33(a)(5)(i)

Appendix D and G calculation method :
Source operating hours in the reporting year that fuel flow rate was missing : 0
Source operating hours in the reporting year that high heating value was missing : 0

Tier Fuel Details:

Fuel : Distillate Fuel Oil No. 2

Fuel Emission Details :

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 5142 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.5 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0.9 (Metric Tons)

Unit Name : GP-PH
Unit Description :

Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 3
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 712.6 (metric tons)

Tier Fuel Details:

Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
712.6 (Metric Tons)	0.01 (Metric Tons)	0.001 (Metric Tons)	0.3 (Metric Tons)	0.4 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 13090000 (scf/year)

Subpart D: Electricity Generation

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	2,680,382.5 (Metric Tons)
Own Result?

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

Gas Name	Methane
Gas Quantity	49.73 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	4.974 (Metric Tons)
Own Result?

Unit Details:

Unit Name : 4C
Unit Type : Electricity Generator
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-04-21
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 660059.7
Annual CO2 Emissions Including Biomass (short tons): 727583.8
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: 12243088 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 306.1 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 364.8 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 0 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0 (Metric Tons)

Unit Name : 4D
Unit Type : Electricity Generator
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-04-21
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 704984.6
Annual CO2 Emissions Including Biomass (short tons): 777104.6
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: 13076273 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 326.9 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 389.7 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 0 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0 (Metric Tons)

Unit Name : 4A
Unit Type : Electricity Generator
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-04-12
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 620361.6
Annual CO2 Emissions Including Biomass (short tons): 683824.6
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: 11506695 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 287.7 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 342.9 (Metric Tons)

Unit Name : 4B
Unit Type : Electricity Generator
Unit Description :
Plant Code : 634 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2009-04-22
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 694976.6
Annual CO2 Emissions Including Biomass (short tons): 766072.7
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: 12886705 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 322.2 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 384.0 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 2863 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.2 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0.5 (Metric Tons)