Facility Name:Hanging Rock Power Company, LLC
Facility Identifier:
Facility Reporting Year:2023
Facility Location:
Address: 1395 COUNTY RD 1A
City: IRONTON
State: OH
Postal Code: 45638

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):4,157,061.7
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:Vistra Corp
Address:6555 Sierra Drive, Irving,  TX 75039
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity450 (Metric Tons)
Own Result?

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

Gas NameMethane
Gas Quantity0.01 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity0.001 (Metric Tons)
Own Result?

Unit Details:
Unit Name : GP- Plant Heaters
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Plant Code : 0 (numeric, maximum of 6 digits)
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 0.25
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0.0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 380.1 (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 :
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
N N N N N N N N N N N N

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
380.1 (Metric Tons) 0.01 (Metric Tons) 0.001 (Metric Tons) 0.2 (Metric Tons) 0.2 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 6779827.1 ()
Use Default High Heat Value : 0
Equation C2b Inputs :
Fuel CombustedHigh Heat Value
January1439504.7 ()0.001053 ()
February1023751.7 ()0.0010552 ()
March1103816.4 ()0.0010563 ()
April401309.6 ()0.0010559 ()
May40644.8 ()0.001054 ()
June0 ()0.0010496 ()
July0 ()0.0010463 ()
August0 ()0.0010485 ()
September0 ()0.0010553 ()
October325746.2 ()0.0010522 ()
November1075013.2 ()0.0010634 ()
December1370040.5 ()0.0010581 ()

Unit Name : GP-1 Aux Blrs
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Plant Code : 55736 (numeric, maximum of 6 digits)
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 30.6
Cumulative Maximum Rated Heat Input Capacity: 30.6

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0.0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 69.9 (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 :
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
N N N N N N N N N N N N

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
69.9 (Metric Tons) 0.00 (Metric Tons) 0.000 (Metric Tons) 0.0 (Metric Tons) 0.0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 1246000 ()
Use Default High Heat Value : 0
Equation C2b Inputs :
Fuel CombustedHigh Heat Value
January4000 ()0.001053 ()
February41000 ()0.0010552 ()
March14000 ()0.0010563 ()
April192000 ()0.0010559 ()
May0 ()0.001054 ()
June31000 ()0.0010496 ()
July96000 ()0.0010463 ()
August0 ()0.0010485 ()
September0 ()0.0010553 ()
October44000 ()0.0010522 ()
November257000 ()0.0010634 ()
December567000 ()0.0010581 ()


Subpart D: Electricity Generation

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity4,152,390.5 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity77.02 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity7.702 (Metric Tons)
Own Result?

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

Unit Details:

Unit Name : CTG1
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55736 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2023-01-01
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 1035186.0
Annual CO2 Emissions Including Biomass (short tons): 1141095.9
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:  19201172.89 (mmBtu)
CH4 Emissions CO2 Equivalent:  480.0  (Metric Tons)
N2O Emissions CO2 Equivalent:  572.2  (Metric Tons)


Unit Name : CTG2
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55736 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2023-01-01
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 1035127.7
Annual CO2 Emissions Including Biomass (short tons): 1141031.6
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:  19200095.15 (mmBtu)
CH4 Emissions CO2 Equivalent:  480.0  (Metric Tons)
N2O Emissions CO2 Equivalent:  572.2  (Metric Tons)


Unit Name : CTG3
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55736 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2023-01-01
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 1032439.9
Annual CO2 Emissions Including Biomass (short tons): 1138068.8
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:  19150194.76 (mmBtu)
CH4 Emissions CO2 Equivalent:  478.8  (Metric Tons)
N2O Emissions CO2 Equivalent:  570.7  (Metric Tons)


Unit Name : CTG4
Unit Type : Electricity Generator
Unit Description :
Plant Code : 55736 (numeric, maximum of 6 digits)
Part 75 Methodology : Appendix G, Equation G-4
Methodology Start Date: 2023-01-01
Methodology End Date: 2023-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 1049636.9
Annual CO2 Emissions Including Biomass (short tons): 1157025.3
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:  19469102.53 (mmBtu)
CH4 Emissions CO2 Equivalent:  486.7  (Metric Tons)
N2O Emissions CO2 Equivalent:  580.2  (Metric Tons)