United States screening tool
U.S. GHG emissions calculator
Estimate Scope 1, Scope 2, and early Scope 3 emissions using U.S. grid data and public screening factors.
Local factor notes
Uses EPA eGRID2023 U.S. total output CO2e electricity data.
Use facility-level subregion factors or supplier data for formal reporting where available.
Collect electricity kWh by facility.
Keep fuel, fleet, and refrigerant evidence.
Spend Scope 3 uses U.S. EPA USEEIO factors.