GHG Summary Report

CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):5,336,374.7
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:2018-01-01
GHG Report End Date:2018-12-31
Description of Changes to Calculation Methodology:
Plant Code Indicator:Y
Primary NAICS Code:221112
Second Primary NAICS Code:

Parent Company Details:

Parent Company Name:BERKSHIRE HATHAWAY INC
Address:3555 Farnam Street, Suite 1440, Omaha, NE 68131
Percent Ownership Interest:100

Subpart C: General Stationary Fuel Combustion

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	3.8 (Metric Tons)
Own Result?

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

Gas Name	Methane
Gas Quantity	0 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	0 (Metric Tons)
Own Result?

Unit Details:

Unit Name : Water Truck Fill Pump-Duetz
Unit Type : RICE (Reciprocating internal combustion engine)
Unit Description :

Individual Unit Details:
Use Ivt Indicator: N
Maximum Rated Heat Input Capacity: 0.12958 (mmBtu/hr)

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

Tier Fuel Details:

Fuel : Distillate Fuel Oil No. 2
Tier Name : Tier 1 (Equation C-1)
Tier Methodology Start Date : 2018-01-01
Tier Methodology End Date : 2018-12-31

Fuel Emission Details :

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

Equation C1/C8 Inputs :
Fuel Quantity : 369.4 (gallons/year)

Subpart D: Electricity Generation

Gas Information Details

Gas Name	Carbon Dioxide
Gas Quantity	5,294,573.7 (Metric Tons)
Own Result?

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

Gas Name	Methane
Gas Quantity	611.51 (Metric Tons)
Own Result?

Gas Name	Nitrous Oxide
Gas Quantity	88.958 (Metric Tons)
Own Result?

Unit Details:

Unit Name : BW44
Unit Type : Electricity Generator
Unit Description :
Plant Code : 4158 (numeric, maximum of 6 digits)
Part 75 Methodology : CEMS
Methodology Start Date: 1995-01-01
Methodology End Date: 2018-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 2316097.1
Annual CO2 Emissions Including Biomass (short tons): 2553034
Annual CO2 Emissions from Biomass (metric tons): 0

CEMS Details:
Operating Hours CO2 Concentration Substituted: 96
Operating Hours Stack Gas Flow Rate Substituted: 3
Operating Hours Stack Gas Moisture Substituted:

Electricity Fuel Details:

Fuel type: Subbituminous
Annual heat input: 24321732 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 6688.5 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 11596.6 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 20686 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 1.6 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 3.7 (Metric Tons)

Unit Name : BW41
Unit Type : Electricity Generator
Unit Description :
Plant Code : 4158 (numeric, maximum of 6 digits)
Part 75 Methodology : CEMS
Methodology Start Date: 1995-01-01
Methodology End Date: 2018-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 586548.5
Annual CO2 Emissions Including Biomass (short tons): 646552.5
Annual CO2 Emissions from Biomass (metric tons): 0

CEMS Details:
Operating Hours CO2 Concentration Substituted: 101
Operating Hours Stack Gas Flow Rate Substituted: 9
Operating Hours Stack Gas Moisture Substituted:

Electricity Fuel Details:

Fuel type: Subbituminous
Annual heat input: 6154174 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 1692.4 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 2934.3 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 10516 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.8 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 1.9 (Metric Tons)

Unit Name : BW42
Unit Type : Electricity Generator
Unit Description :
Plant Code : 4158 (numeric, maximum of 6 digits)
Part 75 Methodology : CEMS
Methodology Start Date: 1995-01-01
Methodology End Date: 2018-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 730437.6
Annual CO2 Emissions Including Biomass (short tons): 805161.4
Annual CO2 Emissions from Biomass (metric tons): 0

CEMS Details:
Operating Hours CO2 Concentration Substituted: 45
Operating Hours Stack Gas Flow Rate Substituted: 2
Operating Hours Stack Gas Moisture Substituted:

Electricity Fuel Details:

Fuel type: Subbituminous
Annual heat input: 7671289 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 2109.6 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 3657.7 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 5683 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 0.4 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 1.0 (Metric Tons)

Unit Name : BW43
Unit Type : Electricity Generator
Unit Description :
Plant Code : 4158 (numeric, maximum of 6 digits)
Part 75 Methodology : CEMS
Methodology Start Date: 1995-01-01
Methodology End Date: 2018-12-31
Acid Rain Program Indicator: Y

Emission Details:
Annual CO2 Emissions Including Biomass (metric tons): 1661490.5
Annual CO2 Emissions Including Biomass (short tons): 1831461.1
Annual CO2 Emissions from Biomass (metric tons): 0

CEMS Details:
Operating Hours CO2 Concentration Substituted: 20
Operating Hours Stack Gas Flow Rate Substituted: 21
Operating Hours Stack Gas Moisture Substituted:

Electricity Fuel Details:

Fuel type: Subbituminous
Annual heat input: 17423281 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 4791.4 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 8307.4 (Metric Tons)

Fuel type: Distillate Fuel Oil No. 2
Annual heat input: 39180 (mmBtu)
CH₄ Emissions CO₂ Equivalent: 2.9 (Metric Tons)
N₂O Emissions CO₂ Equivalent: 7.0 (Metric Tons)