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Quantification Materials



The California Air Resources Board (CARB) is required to develop quantification methods for agencies receiving Greenhouse Gas Reduction Fund (GGRF) appropriations per SB 862 (Senate budget and Fiscal Review Committee, Chapter 36, statutes of 2014).  All California Climate Investments (CCI) must reduce greenhouse gas (GHG) emissions. CARB is responsible for providing guidance on quantifying GHG emission reductions and co-benefits from all CCI projects.  The table below provides links to CARB quantification methodologies and calculator tools developed in consultation with administering agencies through a public process.  CARB staff periodically update methodologies to make them more robust, user-friendly, and appropriate to the projects being quantified.

In addition to GHG emission reductions, FY 2017-18 quantification methodologies are being developed to also estimate other benefits and key variables.  New or updated methodologies will be posted below as necessary.  CARB continues to develop methods to assess additional social, economic, and environmental co-benefits achieved by CCI projects. More information on CCI co-benefits, including assessment methods can be found at: www.arb.ca.gov/cci-cobenefits.

Note: These quantification methods have been developed specifically for the Greenhouse Gas Reduction Fund Programs and are not intended for use in other programs.


For questions about any of the quantification methods below, please email us at GGRFProgram@arb.ca.gov.  To help us serve you better, please provide the following information: name and company/industry, contact information, and question or comment.

Emission Factor Database:

In an effort to increase transparency and continue to use the most up to date emission factors when estimating CCI project benefits, CARB released a single repository for GHG and co-benefit emission factors used in quantification methodologies.  The CCI Quantification Methodology Emission Factor Database and Documentation below include emission factors used in CARB quantification methodologies released after August 30, 2017.  CARB will add emission factors and documentation applicable to CCI programs as FY 2017-18 methodologies become available.

Sustainable Communities and Clean Transportation

Agency / Department Quantification Materials
High-Speed Rail Authority (HSRA)


High-Speed Rail (HSR)
Archived Versions:
California State Transportation Agency (CalSTA)


Transit and Intercity Rail Capital Program (TIRCP)
Archived Versions:
Department of Transportation (Caltrans)


Low Carbon Transit Operations Program (LCTOP)
Note: This Quantification Methodology has been integrated into the LCTOP Allocation Request for ease of use.

Archived Versions:

Active Transportation Program (ATP)
Note: This is a new Quantification Methodology specific to CTC ATP Projects that are eligible for GGRF funding. The SGC AHSC Quantification Methodology and Calculator Tool for FY 2015-16 may not be used for this program.

Strategic Growth Council (SGC)


Transformative Climate Communities (TCC) Program

Affordable Housing and Sustainable Communities (AHSC) Program

Note: A track-change version of the updates to the June 5, 2017 Quantification Methodology is available here.

*A new version of CalEEMod (Version 2016.3.2) was released in early October 2017.  Please continue to use CalEEMod Version 2016.3.1 when completing the Revised AHSC Quantification Methodology for FY 2016-17.

Archived Versions:

Sustainable Agriculture Land Conservation (SALC) Program


Archived Versions:
California Air Resources Board (CARB)


Low Carbon Transportation (LCT)

Advanced Technology Demonstration Projects:
 - Off-Road Advanced Technology Demonstration Project
 - On-Road Advanced Technology Demonstration Project
Archived Versions:
- Multi-Source Facility Demonstration Project

- Zero-Emission Drayage Truck Demonstration Project

Car Sharing and Mobility Options in Disadvantaged Communities Pilot Project
Archived Versions:

Consumer-Based Heavy-Duty Projects:
 - Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project (HVIP)
 - Rural School Bus Pilot Project
 - Low NOx Engine Incentives
 - Agricultural Worker Vanpools
Archived Versions:

Consumer-Based Light-Duty Projects:
 - Clean Vehicle Rebate Project (CVRP)
 - Public Fleets in Disadvantaged Communities
 - Enhanced Fleet Modernization Program (EFMP) Plus-Up
 - Financing Assistance
Archived Versions:

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Energy Efficiency and Clean Energy

Agency / Department Quantification Materials
Community Services and Development (CSD)

Low-Income Weatherization Program
Archived Versions:

Low-Income Weatherization Program - Large Multi-Family
Department of Food and Agriculture (CDFA)

State Water Efficiency and Enhancement Program
Archived Versions:

State Water Efficiency and Enhancement Program - DWR
(Prop 1) Joint Project

Dairy Digester Research and Development Program
*Accepting public comments on the Draft Quantification Methodology for FY 2017-18 through December 4, 2017.

Archived Versions:

Alternative Manure Management Program (AMMP)

Healthy Soils Program
Department of Water Resources (DWR)
Water-Energy Grant Program
*October 6, 2017: The Water-Energy Grant Program GHG Calculator tool for FY 2015-16 has been updated for final funding recipients to use during reporting on implemented projects for FY 2015-16 funds.  No changes were made to the quantification methodology document.

Archived Versions:
State Water Project Turbines
California Air Resources Board (CARB) Woodsmoke Reduction Program


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Natural Resources and Waste Diversion

Agency / Department Quantification Materials
California Department of Fish and Wildlife
(CDFW)
 

Wetlands Restoration for Greenhouse Gas Reduction Grant Program
Department of Forestry and Fire Protection
(CAL FIRE)
 

Forest Health Program
*June 22, 2017 Notice: A technical error has been corrected in the Forest Health GHG Calculator for FY 2016-17 which impacts Activities 2-5 in the Fuels Reduction Worksheet.  Version 2, dated June 22, 2017, must be used for full applications submitted to CAL FIRE if the proposed project involves fuels reduction activities for which the applicant has chosen to include the optional impact boundary of fuels reduction treatments in the accounting of GHG benefits.  The Quantification Methodology document has not been updated because the methods and equations remain unchanged.

Archived Versions:
Urban and Community Forestry Program
*December 8, 2016 Notice: A technical error has been corrected in the Urban and Community Forestry GHG Calculator for FY 2016-17;
Version 2, dated December 8, 2016, must be used for concept proposals and full applications submitted to CAL FIRE.  CAL FIRE has extended the deadline for concept proposal submissions until December 30, 2016 to accommodate applicants (see http://www.fire.ca.gov/resource_mgt/resource_mgt_urbanforestry_grants). The Quantification Methodology document has not been updated because the methods and equations remain unchanged.


Archived Versions:
Department of Resources Recycling, and Recovery (CalRecycle) 

Waste Diversion Grant and Loan Program
For additional information on how the emission reduction factors used in the calculator were developed, see:
*CARB released a FY 2015-16 quantification methodology in June 2016.  The joint FY 2015-16 and FY 2016-17 released in December 2016 contains only minor changes from that version. 

Archived Versions:
California Natural Resources Agency (CNRA) Urban Greening Grant Program 


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For questions, please contact:
Cari Anderson, Manager, at 916-319-0125 or via email
Bonnie Soriano, Manager, at 916-327-6888 or via email
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