End-Use Savings Shapes

Annual GHG Emissions (MMT CO2e) Heat Pump Boiler With Gas Backup 500 Electricity Grid Scenarios: Choose 1 400 + 18.9 (5.6%) 355.5 336.6 300- 200- 100- +14.9 (5.8%) 268.2 253.3 + 11.5 (7.1%) Baseline HP Boiler OF Backup 172.6 161.1 -34.2 (41%) 83.6 49.4 4.8 4.8 2.0 Electricity: LRMER Low RE Cost 15 Natural Gas Fuel Oil Electricity: LRMER High RE Cost 15 Electricity: eGRID 2021 2.0 Propane • Increased electricity emissions from electrifying gas boilers • Decreased natural gas emissions from electrifying natural gas boilers Net emissions avoided for all comprehensive scenarios shown despite increased electricity emissions. NREL 33

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