End-Use Savings Shapes
Greenhouse Gas Emissions
Electricity
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Three grid electricity scenarios compared today; more included in published data set.
This work does not imply a preference for any grid emission scenario.
Electricity Grid Scenario
Start Year
Levelization Period
(3% discount rate)
Data Source
LRMER High RE Cost*
2022
15 years
LRMER Low RE Cost
eGRID*
2022
15 years
NREL Cambium [1]
NREL Cambium [1]
2021
N/A
EPA eGRID [2]
On-Site Combustion Fuels
Values from Table 7.1.2(1) of draft ANSI/RESNET/ICCC 301 [3]
Natural Gas
Propane
Fuel Oil
Greenhouse gas emissions in data set
represent equivalent CO2 emissions.
147.3 lb/mmbtu (228.0 kg/MWh)
177.8 lb/mmbtu (182.3 kg/MWh)
195.9 lb/mmbtu (303.2 kg/MWh)
* LRMER = Long Run Marginal Emissions Rate; RE = renewable energy; eGRID = Emissions & Generation Resource Integrated Database NREL | 16View entire presentation