Facility Name:WELLESLEY COLLEGE
Facility Identifier:
Facility Reporting Year:2020
Facility Location:
Address: 106 CENTRAL ST
City: WELLESLEY
State: MA
Postal Code: 02481

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):14,381.1
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:The same calculation methods as last year were used. (Note that the engines have not been operated since October 2019 and are in the process of being removed. A temporary engine was used in 2020 and new engines are being installed in 2021.)
Plant Code Indicator:N
Primary NAICS Code:611310
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:WELLESLEY COLLEGE
Address:106 Central Street, Wellesley ,  MA 02481
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas NameCarbon Dioxide
Gas Quantity14,364.6 (Metric Tons)
Own Result?

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

Gas NameMethane
Gas Quantity0.29 (Metric Tons)
Own Result?

Gas NameNitrous Oxide
Gas Quantity0.031 (Metric Tons)
Own Result?

Unit Details:
Unit Name : GP-PPBoilers
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 52
Cumulative Maximum Rated Heat Input Capacity: 152.8

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 13301.7 (metric tons)

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
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
13287.7 (Metric Tons) 0.25 (Metric Tons) 0.025 (Metric Tons) 6.3 (Metric Tons) 7.5 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 243843398 (scf/year)
Use Default High Heat Value : false
Equation C2b Inputs :
Fuel CombustedHigh Heat Value
January20320283.17 (scf/month)0.001027 (mmBtu/scf)
February20320283.17 (scf/month)0.001027 (mmBtu/scf)
March20320283.17 (scf/month)0.001027 (mmBtu/scf)
April20320283.17 (scf/month)0.001027 (mmBtu/scf)
May20320283.17 (scf/month)0.001027 (mmBtu/scf)
June20320283.17 (scf/month)0.001027 (mmBtu/scf)
July20320283.17 (scf/month)0.001027 (mmBtu/scf)
August20320283.17 (scf/month)0.001027 (mmBtu/scf)
September20320283.17 (scf/month)0.001027 (mmBtu/scf)
October20320283.17 (scf/month)0.001027 (mmBtu/scf)
November20320283.17 (scf/month)0.001027 (mmBtu/scf)
December20320283.17 (scf/month)0.001027 (mmBtu/scf)

Fuel : Residual Fuel Oil No. 6
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
Frequency of HHV determinations : Semiannually

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
14.0 (Metric Tons) 0.00 (Metric Tons) 0.000 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 1239 (gallons/year)
Use Default High Heat Value : true
High Heat Value : 0.1507230 (mmBtu/gallon)

Fuel : Used Oil
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
Frequency of HHV determinations : Other (specify)
Other specified frequency of HHV determinations : Used oil was not used this year.

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
0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 0 (gallons/year)
Use Default High Heat Value : true
High Heat Value : 0 (mmBtu/gallon)

Unit Name : GP-CampusBoilers
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 1.2
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 1014.2 (metric tons)

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31

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

Equation C1/C8 Inputs :
Fuel Quantity : 6055765 (scf/year)

Fuel : Distillate Fuel Oil No. 2
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
673.4 (Metric Tons) 0.03 (Metric Tons) 0.005 (Metric Tons) 0.7 (Metric Tons) 1.6 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 65977.9 (gallons/year)

Fuel : Propane
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
11.1 (Metric Tons) 0.00 (Metric Tons) 0.000 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 1939 (gallons/year)

Unit Name : GP-PPEngines
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Small Unit Aggregation Details:
Use Ivt Indicator: N
Highest Maximum Rated Heat Input Capacity: 6.82
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual CO2 mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 48.7 (metric tons)

Tier Fuel Details:
Fuel : Natural Gas (Weighted U.S. Average)
Tier Name : Tier 2 (Equation C-2a)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
Frequency of HHV determinations : Other (specify)
Other specified frequency of HHV determinations : natural gas was not combusted in 2020

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
0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons) 0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 0 (scf/year)
Use Default High Heat Value : true
High Heat Value : 0 (mmBtu/scf)

Fuel : Distillate Fuel Oil No. 2
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31

Fuel Emission Details :
Total CO2 emissionsTotal CH4 emissionsTotal N2O emissionsTotal CH4 emissions CO2eTotal N2O emissions CO2e
48.7 (Metric Tons) 0.00 (Metric Tons) 0.000 (Metric Tons) 0.1 (Metric Tons) 0.1 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 4775.8 (gallons/year)