Facility Name:Midlothian Energy
Facility Identifier:
Facility Reporting Year:2020
Facility Location:
Address: 4601 BROOKHOLLOW DRIVE
City: MIDLOTHIAN
State: TX
Postal Code: 76065

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):1,623,294.4
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:2020-01-01
GHG Report End Date:2020-12-31
Description of Changes to Calculation Methodology:
Plant Code Indicator:Y
Primary NAICS Code:221112
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:Vistra Corp
Address:6555 Sierra Drive, Irving,  TX 75039
Percent Ownership Interest:100

Subpart D: Electricity Generation

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity1,621,646 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity30.08 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity3.008 (Metric Tons)
Own Result?

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

Unit Details:

Unit Name : STK3
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 243271.5
Annual CO2 Emissions Including Biomass (short tons): 268160.6
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  4512333.002 (mmBtu)
CH4 Emissions CO2 Equivalent:  112.8  (Metric Tons)
N2O Emissions CO2 Equivalent:  134.5  (Metric Tons)


Unit Name : STK6
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 263218.6
Annual CO2 Emissions Including Biomass (short tons): 290148.5
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  4882329.096 (mmBtu)
CH4 Emissions CO2 Equivalent:  122.1  (Metric Tons)
N2O Emissions CO2 Equivalent:  145.5  (Metric Tons)


Unit Name : STK1
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 240346.8
Annual CO2 Emissions Including Biomass (short tons): 264936.6
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  4458012.919 (mmBtu)
CH4 Emissions CO2 Equivalent:  111.5  (Metric Tons)
N2O Emissions CO2 Equivalent:  132.8  (Metric Tons)


Unit Name : STK2
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 320200.9
Annual CO2 Emissions Including Biomass (short tons): 352960.6
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  5939231.437 (mmBtu)
CH4 Emissions CO2 Equivalent:  148.5  (Metric Tons)
N2O Emissions CO2 Equivalent:  177.0  (Metric Tons)


Unit Name : STK4
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 192822.7
Annual CO2 Emissions Including Biomass (short tons): 212550.4
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  3576588.964 (mmBtu)
CH4 Emissions CO2 Equivalent:  89.4  (Metric Tons)
N2O Emissions CO2 Equivalent:  106.6  (Metric Tons)


Unit Name : STK5
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55091 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2020-01-01
Methodology End Date: 2020-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 361785.6
Annual CO2 Emissions Including Biomass (short tons): 398799.9
Annual CO2 Emissions from Biomass (metric tons): 0.0

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:  6710551.186 (mmBtu)
CH4 Emissions CO2 Equivalent:  167.8  (Metric Tons)
N2O Emissions CO2 Equivalent:  200.0  (Metric Tons)