Facility Name:Hennepin Energy Recovery Center
Facility Identifier:
Facility Reporting Year:2023
Facility Location:
Address: 505 6th Avenue North
City: Minneapolis
State: MN
Postal Code: 55405

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):166,043.4
CO2 equivalent emissions from supplier subparts LL-QQ (metric tons):
Biogenic CO2 emissions from facility subparts C-II, SS, and TT (metric tons):197,062
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:N
Primary NAICS Code:562213
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:HENNEPIN COUNTY MINNESOTA
Address:701 Fourth Avenue South, Suite 700, Minneapolis,  MN 55415
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity158,005 (Metric Tons)
Own Result?

Gas NameBiogenic Carbon dioxide
Gas Quantity197,062 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity125.38 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity16.456 (Metric Tons)
Own Result?

Unit Details:
Unit Name : Unit 2
Unit Type : MWC (Municipal waste combustor)
Unit Description :
Individual Unit Details:
Use Ivt Indicator: Y
Maximum Rated Heat Input Capacity: 262.6 (mmBtu/hr)

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

Sample Analysis Results for MSW
First QuarterSecond QuarterThird QuarterFourth Quarter
0.54 (decimal fraction) 0.57 (decimal fraction) 0.56 (decimal fraction) 0.55 (decimal fraction)


Tier 4 Details:
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31

Tier 4 Quarter Fuel Details
First QuarterSecond QuarterThird QuarterFourth Quarter
43722 (Metric Tons) 39192 (Metric Tons) 39296 (Metric Tons) 53131 (Metric Tons)

Total Source Operating Hours: 7100
Operating Hours Details:
Operating hours in which a substitute data value was used in the emissions calculations for CO2 concentration : 24
Operating hours in which a substitute data value was used in the emissions calculations for stack gas flow rate : 298
Operating hours in which a substitute data value was used in the emissions calculations for stack gas moisture content : 24

Non-Biogenic CO2 emission : 78026 (Metric Tons)
Biogenic CO2 emission : 97314 (Metric Tons)
Annual CO2 emission measured by CEMS : 175340 (Metric Tons)
Emissions reported for the CEMS include emissions calculated according to 98.33(a)(4)(viii) for a slipstream that bypassed the CEMS. :

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

Fuel Emission Details :
Total CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
0.01 (Metric Tons) 0.001 (Metric Tons) 0.3 (Metric Tons) 0.3 (Metric Tons)

Fuel : Municipal Solid Waste

Fuel Emission Details :
Total CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
61.31 (Metric Tons) 8.047 (Metric Tons) 1532.7 (Metric Tons) 2397.9 (Metric Tons)

Unit Name : Unit 1
Unit Type : MWC (Municipal waste combustor)
Unit Description :
Individual Unit Details:
Use Ivt Indicator: Y
Maximum Rated Heat Input Capacity: 262.6 (mmBtu/hr)

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

Sample Analysis Results for MSW
First QuarterSecond QuarterThird QuarterFourth Quarter
0.54 (decimal fraction) 0.57 (decimal fraction) 0.56 (decimal fraction) 0.55 (decimal fraction)


Tier 4 Details:
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31

Tier 4 Quarter Fuel Details
First QuarterSecond QuarterThird QuarterFourth Quarter
50253 (Metric Tons) 34987 (Metric Tons) 48372 (Metric Tons) 46111 (Metric Tons)

Total Source Operating Hours: 7418
Operating Hours Details:
Operating hours in which a substitute data value was used in the emissions calculations for CO2 concentration : 33
Operating hours in which a substitute data value was used in the emissions calculations for stack gas flow rate : 172
Operating hours in which a substitute data value was used in the emissions calculations for stack gas moisture content : 33

Non-Biogenic CO2 emission : 79978 (Metric Tons)
Biogenic CO2 emission : 99748 (Metric Tons)
Annual CO2 emission measured by CEMS : 179727 (Metric Tons)
Emissions reported for the CEMS include emissions calculated according to 98.33(a)(4)(viii) for a slipstream that bypassed the CEMS. :

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

Fuel Emission Details :
Total CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
0.01 (Metric Tons) 0.001 (Metric Tons) 0.3 (Metric Tons) 0.3 (Metric Tons)

Fuel : Municipal Solid Waste

Fuel Emission Details :
Total CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
64.05 (Metric Tons) 8.407 (Metric Tons) 1601.2 (Metric Tons) 2505.2 (Metric Tons)