Clean Fuel Standard data & reports
We post Clean Fuel Standard data and reports to keep people informed. We'll continue to update information over the life of the program.
Carbon intensity data
Monthly & quarterly reports
- Monthly credit trading activity report: This report contains the volume of credits traded and the average credit price each month. We'll post the most recent monthly report after the previous month's transactions.
- Quarterly data summary: This report provides an overview of the volumes and types of fuels participating in the program. It also includes the number of deficits and credits generated by fuels, based on quarterly data submitted by registered parties. Past reports are available in our data and reports library.
Annual reports
- Fuel supply forecast: We and the Washington Department of Commerce are directed to develop "a periodic fuel supply forecast to project the availability of fuels to Washington necessary for compliance with clean fuels program requirements” (RCW 70A.535.100). Commerce contracted with Berkeley Research Group to perform the 2022 forecast (released Sept. 30, 2022) and the 2024 forecast (released Oct. 1, 2024).
- 2022 Fuel supply forecast report (the 2022 forecast covers calendar years 2023-2024, which are one compliance period under the CFS rule.)
- 2022 Fuel supply forecast (spreadsheet)
- 2024 Fuel supply forecast report
- Electric utility reports: Utilities will report to us about their activities spending credit revenue generated by the program.
Annual estimated costs and cost-savings of the Clean Fuel Standard
WAC 173-424-710(5) requires us to estimate the total greenhouse gas emissions reductions and the average cost or cost savings per gallon of gasoline or diesel attributable to the Clean Fuel Standard each year.
Estimates are available in the "Annual Cost Estimates" section of our Data & Reports library.
Other reports
- Independent cost-benefit analysis (released July 1, 2022): As part of the Clean Fuel Standard law, we were directed by the Legislature to hire an independent contractor to analyze “the best estimate or range in probable costs or cost savings attributable to the clean fuels program per gallon of gasoline and per gallon of diesel.”
- We held an online information session about the preliminary results May 3, 2022.
Find out more about the analysis:
- We held an online information session about the preliminary results May 3, 2022.
- Ecology-approved registered parties: We'll update this list quarterly.
- Historic reports: We'll post these reports in the Clean Fuel Standard program guidance documents library.
Related links
Contact information
Audrey Stacey
Clean Fuel Standard Program Analyst
cfs@ecy.wa.gov
564-669-0219
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