Facility Name:Weyerhaeuser NR- Columbia Falls
Facility Identifier:
Facility Reporting Year:2023
Facility Location:
Address: 105 Mills Drive
City: Columbia Falls
State: MT
Postal Code: 59912

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):40,706.2
CO2 equivalent emissions from supplier subparts LL-QQ (metric tons):
Biogenic CO2 emissions from facility subparts C-II, SS, and TT (metric tons):149,322
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:321219
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:WEYERHAEUSER CO
Address:220 Occidental Ave S, Seattle,  WA 98104
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity38,671.9 (Metric Tons)
Own Result?

Gas NameBiogenic Carbon dioxide
Gas Quantity149,322 (Metric Tons)
Own Result?

Gas NameMethane
Gas Quantity12.19 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity5.804 (Metric Tons)
Own Result?

Unit Details:
Unit Name : GP-01
Unit Description :
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 250
Cumulative Maximum Rated Heat Input Capacity: 500

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 149322 (metric tons)
Annual Fossil fuel based CO2 Emissions: 38672 (metric tons)

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 1 (Equation C-1a, natural gas billing in therms)
Tier Methodology Start Date : 2023-01-01
Tier Methodology End Date : 2023-12-31

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
38671.7 (Metric Tons) 0.73 (Metric Tons) 0.073 (Metric Tons) 18.2 (Metric Tons) 21.7 (Metric Tons)

Equation C1a/C8a Inputs :
Natural Gas Usage : 7288290 (therms/year)

Fuel : Wood and Wood Residuals (dry basis)
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 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
149322.2 (Metric Tons) 11.46 (Metric Tons) 5.731 (Metric Tons) 286.6 (Metric Tons) 1707.8 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 91071 (short tons/year)
Moisture Content : 0