GHG Summary Report

CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):111,368.9
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:Y
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:611310
Second Primary NAICS Code:

Parent Company Details:

Parent Company Name:MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Address:77 Massachusetts Avenue, Cambridge, MA 02139-4307
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	111,254.1 (Metric Tons)
Own Result?

Gas Name	Biogenic Carbon dioxide
Gas Quantity	0 (Metric Tons)
Own Result?

Gas Name	Methane
Gas Quantity	2.09 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	0.21 (Metric Tons)
Own Result?

Unit Details:

Unit Name : GP-Boilers 7-9
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: 125.8
Cumulative Maximum Rated Heat Input Capacity: 225.5

Emission Details:
Annual CO₂ mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 8421.2 (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 :

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
8421.2 (Metric Tons)	0.16 (Metric Tons)	0.016 (Metric Tons)	4 (Metric Tons)	4.7 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 154401486 (scf/year)
Use Default High Heat Value : false
Equation C2b Inputs :

	Fuel Combusted	High Heat Value
January	12042059 (scf/month)	0.001032 (mmBtu/scf)
February	2504676 (scf/month)	0.001028 (mmBtu/scf)
March	2676462 (scf/month)	0.001028 (mmBtu/scf)
April	42577087 (scf/month)	0.001027 (mmBtu/scf)
May	165598 (scf/month)	0.001027 (mmBtu/scf)
June	143248 (scf/month)	0.001029 (mmBtu/scf)
July	95159 (scf/month)	0.001027 (mmBtu/scf)
August	2759 (scf/month)	0.001027 (mmBtu/scf)
September	114592 (scf/month)	0.001027 (mmBtu/scf)
October	4375447 (scf/month)	0.001028 (mmBtu/scf)
November	19736012 (scf/month)	0.001027 (mmBtu/scf)
December	69968387 (scf/month)	0.001028 (mmBtu/scf)

Fuel : Distillate Fuel Oil No. 2
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 : Once per fuel lot

Tier 2 Monthly HHV Details :

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total 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 : 0.136031 (mmBtu/gallon)

Unit Name : GP-Campus Boilers
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: 4.474
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: 1642.2 (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 : 2020-01-01
Tier Methodology End Date : 2020-12-31

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
1626.4 (Metric Tons)	0.03 (Metric Tons)	0.003 (Metric Tons)	0.8 (Metric Tons)	0.9 (Metric Tons)

Equation C1a/C8a Inputs :
Natural Gas Usage : 306524 (therms/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 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
15.8 (Metric Tons)	0.00 (Metric Tons)	0.000 (Metric Tons)	0 (Metric Tons)	0 (Metric Tons)

Equation C1/C8 Inputs :
Fuel Quantity : 1546 (gallons/year)

Unit Name : GP-Campus Water Heaters
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: 2.0
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 343.1 (metric tons)

Tier Fuel Details:

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
343.1 (Metric Tons)	0.01 (Metric Tons)	0.001 (Metric Tons)	0.2 (Metric Tons)	0.2 (Metric Tons)

Equation C1a/C8a Inputs :
Natural Gas Usage : 64655 (therms/year)

Unit Name : GP-Campus Space Heaters
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: 5.6
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 915.2 (metric tons)

Tier Fuel Details:

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
915.2 (Metric Tons)	0.02 (Metric Tons)	0.002 (Metric Tons)	0.4 (Metric Tons)	0.5 (Metric Tons)

Equation C1a/C8a Inputs :
Natural Gas Usage : 172490 (therms/year)

Unit Name : GP-Miscellaneous Natural Gas Combustion
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: 0.1
Cumulative Maximum Rated Heat Input Capacity:

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 109.1 (metric tons)

Tier Fuel Details:

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
109.1 (Metric Tons)	0.00 (Metric Tons)	0.000 (Metric Tons)	0.1 (Metric Tons)	0.1 (Metric Tons)

Equation C1a/C8a Inputs :
Natural Gas Usage : 20565 (therms/year)

Unit Name : GP-Boilers 3-5
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: 145.2
Cumulative Maximum Rated Heat Input Capacity: 377.6

Emission Details:
Annual CO₂ mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 33155 (metric tons)

Tier Fuel Details:

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
32936.2 (Metric Tons)	0.62 (Metric Tons)	0.062 (Metric Tons)	15.5 (Metric Tons)	18.5 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 603848630 (scf/year)
Use Default High Heat Value : false
Equation C2b Inputs :

	Fuel Combusted	High Heat Value
January	61116770 (scf/month)	0.001032 (mmBtu/scf)
February	60886619 (scf/month)	0.001028 (mmBtu/scf)
March	39696264 (scf/month)	0.001028 (mmBtu/scf)
April	63705593 (scf/month)	0.001027 (mmBtu/scf)
May	60459913 (scf/month)	0.001027 (mmBtu/scf)
June	2873519 (scf/month)	0.001029 (mmBtu/scf)
July	30165114 (scf/month)	0.001027 (mmBtu/scf)
August	20052883 (scf/month)	0.001027 (mmBtu/scf)
September	2157285 (scf/month)	0.001027 (mmBtu/scf)
October	83027009 (scf/month)	0.001028 (mmBtu/scf)
November	92955659 (scf/month)	0.001027 (mmBtu/scf)
December	86752002 (scf/month)	0.001028 (mmBtu/scf)

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
218.8 (Metric Tons)	0.01 (Metric Tons)	0.002 (Metric Tons)	0.2 (Metric Tons)	0.5 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 21749 (gallons/year)
Use Default High Heat Value : true
High Heat Value : 0.136031 (mmBtu/gallon)

Unit Name : GT-42-1A / HRSG-42-1B
Unit Type : OCS (Other combustion source)
Unit Description :
Other Unit Name :
Plant Code : 54907 (numeric, maximum of 6 digits)

Emission Details:
Annual Biogenic CO2 Emissions: 0 (metric tons)

Annual CO2 emission measured by CEMS or Other Part75 Methodology : 66336.6
Tier Methodology Start Date : 2020-01-01
Tier Methodology End Date : 2020-12-31
Part75 Heat Input Method : Appendix D
Part 75 CO2 Methodology : Appendix D and G calculation method--- § 98.33(a)(5)(i)

Appendix D and G calculation method :
Source operating hours in the reporting year that fuel flow rate was missing : 0
Source operating hours in the reporting year that high heating value was missing : 0

Tier Fuel Details:

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

Fuel Emission Details :

Fuel type: Natural Gas (Weighted U.S. Average)
Annual heat input: 1230432 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 30.8 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 36.7 (Metric Tons)

Fuel : Distillate Fuel Oil No. 2

Fuel Emission Details :

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 0 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 0 (Metric Tons)

Unit Name : GP-CTG/HRSG-200&300
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: 219
Cumulative Maximum Rated Heat Input Capacity: 706

Emission Details:
Annual CO₂ mass emissions from sorbent: 0 (Metric Tons)
Annual Biogenic CO2 Emissions: 0 (metric tons)
Annual Fossil fuel based CO2 Emissions: 331.7 (metric tons)

Tier Fuel Details:

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
314.1 (Metric Tons)	0.01 (Metric Tons)	0.001 (Metric Tons)	0.1 (Metric Tons)	0.2 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 5762562 (scf/year)
Use Default High Heat Value : false
Equation C2b Inputs :

	Fuel Combusted	High Heat Value
January
February
March
April
May
June
July
August
September
October	60576 (scf/month)	0.001028 (mmBtu/scf)
November	4842608 (scf/month)	0.001027 (mmBtu/scf)
December	859378 (scf/month)	0.001028 (mmBtu/scf)

January	February	March	April	May	June	July	August	September	October	November	December
N	N	N	N	N	N	N	N	N	N	N	N

Fuel Emission Details :

Total CO2 emissions	Total CH4 emissions	Total N2O emissions	Total CH4 emissions CO2e	Total N2O emissions CO2e
17.6 (Metric Tons)	0.00 (Metric Tons)	0.000 (Metric Tons)	0 (Metric Tons)	0 (Metric Tons)

Equation C2a/C9a Inputs :
Fuel Quantity : 1751 (gallons/year)
Use Default High Heat Value : true
High Heat Value : 0.136059 (mmBtu/gallon)