Participants in the Clean Fuel Standard program can find guidance documents, user guides, and forms and templates to support program participation. To stay informed when new documents are added, and for general program information, join our email list.

To see Quarterly Data Summaries and Monthly Credit Transaction Reports visit our Data and Reports Page.

User Guides

Producers and suppliers of regulated fuels to Washington consumers must participate and register in the Washington Fuels Reporting System (WFRS) and Alternative Fuel Portal (AFP). Guidance on how to register accounts and fuel supply equipment, and how to apply for a fuel pathway.

• WFRS-CBTS User Guide – This user guide gives instructions about how to register for an account in Washington Fuels Reporting System - Credit Bank and Transfer System
• AFP User Guide – This user guide gives instructions about how to register for an account in the Alternative Fuel Portal
• Fuel Supply Equipment Registration User Guide -- This user guide gives instructions about how to register FSE in WFRS

 Forms

• WFRS-CBTS Administrator Designation Form – This form is part of the WFRS-CBTS registration process
• Aggregator Designation Form – This form approves designation of a third-party aggregator
• AFP Administrator Designation Form – This form authorizes an organization's account administrator for the alternative fuel portal. 
• AFP Attestation Letter – This form is required for all fuel pathway applications in the Alternative Fuel Portal
• Biomethane or Biogas Attestation Letter – This form is required for all Tier 1 fuel pathway applications involving biomethane or biogas in the Alternative Fuel Portal
• Temporary Fuel Pathway Request Form – This form is required for all temporary fuel pathway applications
• WFRS-CBTS Account Closure Form – This form should be used to close an existing WFRS-CBTS account

Templates

• Fuel Supply Equipment (FSE) Registration Template – This template is required for all FSE registrations
• Fuel Supply Equipment (FSE) Detail Sheet Template – This template is required for FSE registrations involving eCHE, eGSE, eOGV, eTRU, Forklifts, or EV Trucks (Yard Trucks)
• Clean Fuel Standard Obligation Calculator - This template allows participants to estimate credit/deficit amounts
• Marketable Crude Oil Name (MCON) Reporting Template - This template must be submitted by producers of gasoline or diesel fuel each quarter as an attachement to the CFS quarterly report in WFRS.
• Reporting Template for Residential EV Charging Credit Revenue - This template is for electric utilities to report revenue generated from residential EV charging credits.
• Reporting Template for Natural Gas Total Throughput - This template must be submitted as an attachment with quarterly reports that include natural gas.

Guidance documents, focus sheets, and other materials

• Participant Guidance: Documenting Exempt Fuels - How to report and document fuels that are exempt under the CFS
• Participation Guidance: Seeking Approval to Estimate eForklift Electricity Consumption  - How to seek approval to use an estimation methodology for eForklift charging
• Participation Guidance: Retiring Renewable Energy Certificates - How to retire Renewable Energy Certificates (RECs) for Clean Fuel Standard reporting
• M-RETS RTC Registration Guide for Washington ECY Clean Fuel Standard - Instructional guide for organizations looking to use the M-RETS® Renewable Thermal Tracking System (RTC). 
• Participation Guidance: Claiming Incremental Credits for Metered Residential EV Charging - Guidance on acceptable methods for collecting EV charging data, registration, and reporting to claim residential incremental credits. The following supplemental documents are needed to complete your reporting:
  • Residential Electricity Reporting Template 2025
  • Non-Residential EV Charging FSE Locations Updated: May 13, 2025
• List of registered program participants - Updated semi-regularly to reflect newly registered participants.
• Participation Guidance: Annual Fuel Pathway Report Requirements - Instructions on preparing annual fuel pathway reports (AFPR)
• Clean Fuel Standard’s Benefits for Owners of Electric Vehicle Charging Stations 
• Calculation for Residential EV Base Credits
• CFS Guidance on Residential EV Charging Credit Revenue Requirements - Guidance for electric utilities on residential EV charging revenue spending requirements. 

Fast Charging Infrastructure (FCI) Documents

Application Materials and Instructions

• FCI Application Template - This template is required for all FCI pathway applicants
• FCI Application Upload Guidance - This document contains instructions for submitting an FCI application in WFRS
• FCI Cost and Revenue Reporting Template - Participants claiming FCI credits are required to submit this template each quarter as a supplemental document to their quarterly report in WFRS

Approved FCI Applications

As of May 2, 2025 there have been a total of 56 sites approved under the FCI provision, with a total of 132 chargers.

FCI Approved Sites (May 2, 2025)

FCI applications can be approved until estimated potential FCI credits from all approved applications exceed 2.5 percent of deficits in the prior quarter. The table below shows the prior quarter deficits and will be updated quarterly. The estimated potential FCI credits will be updated as applications are approved. 

FCI Approved DC Fast Charging Sites

Electric Utility-Specific Carbon Intensity

Current

• 2025 Carbon Intensity Values for Electricity
• 2025 Utility carbon intensity calculator - based on 2023 Fuel Mix Disclosure report

Past

• 2024 and Updated 2023 Carbon Intensity Values for Electric Utilities
• Final 2022 WA Utility CI Calculator - updated May 2024
• Updated 2021 WA Utility CI Calculator -  updated May 2024

Fuel Pathways

• WA Re-certified Fuel Pathways from CARB or OR-DEQ
• WA Approved Fuel Pathways - updated March 7, 2025

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