GHG Rollup Requirements
Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.

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  • Annual emissions (excluding biogenic CO2) aggregated for all GHGs from all applicable source categories, expressed in metric tons of CO2e calculated using Equation A--1.
  • Annual emissions of biogenic CO2 aggregated for all applicable source categories, expressed in metric tons.
  • Annual emissions from each applicable source category, expressed in metric tons of each applicable GHG listed below:
    • Biogenic CO2
    • CO2 (excluding biogenic CO2)
    • CH4
    • N2O
    • Each fluorinated GHG (including those not listed in Table A--1)

These e-GGRT rollup requirements for source categories displayed in the diagram below:

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  • Total quantity of emissions aggregated for all GHG (excluding biogenic CO2 and fluorinated GHGs that are not found in Table A-1) from all applicable supply categories in Table A--5, expressed in metric tons of CO2e and calculated using Equation A--1.
  • Quantity of CO2, CH4, N2O, and each fluorinated GHG (as defined in ยง98.6), including those not listed in Table A--1 from each applicable supply category in Table A--5, expressed in metric tons of each GHG. For fluorinated GHG, report emissions of all fluorinated GHG, including those not listed in Table A--1 of this subpart. For fluorinated GHGs, calculate and report CO2e for only those fluorinated GHGs listed in Table A--1.

These Cal e-GGRT rollup requirements for supplier categories displayed in the diagram below:

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