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Department of Ecology
Committees, Boards, and Workgroups

Clean Fuel Standard program documents

This page houses reports and data related to the Washington Clean Fuel Standard. To find guidance documents, user guides, and forms and templates to support program participation, please see our Program Documents page.

Monthly Credit Transaction Reports

These reports contain the volume of credits traded and the average credit price. We will post the most recent monthly report after the previous month's transactions. This report contains historical data in the excel file along with the most recent month's summarized data.

Quarterly Data Summary

These reports provide 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. After each quarter, we will post a summary of the data. The Excel file of the latest quarter of data contains all data from past quarters.

Annual Cost Estimates

WAC 173-424-710(5) requires the Department of Ecology to estimate the average cost or cost savings per gallon of gasoline or diesel and the total greenhouse gas emissions reductions attributable to the Clean Fuel Standard each year. 

Utility Spending Reports

Electric utilities participating in the CFS receive credits for residential EV charging in their service territories, and are required by RCW 70A.535.080 to invest their revenue from the sale of these credits into transportation electrification. WAC 173-424-710(6) requires the Department of Ecology to post the spending reports it receives from electric utilities related to residential EV charging credits. 

 

Avista

Chelan PUD

Clark PUD

Cowlitz County PUD

Douglas County PUD

Franklin County PUD

Jefferson PUD

Klickitat PUD

Lewis County PUD 

Mason PUD #3

Okanogan County PUD

Orcas Power and Light Coop

Pacific PUD

PacifiCorp

Peninsula Light Company

Puget Sound Energy

Seattle City Light

Skamania County PUD

Snohomish County PUD

Tacoma Power

Wahkiakum County PUD

Documents

 File NameFile SizeDescriptionCategoryDate Added
CFSCreditTransferActivityReport_July2023.xlsx 37.1 KB
Monthly Credit Trans... 09/14/23 11:18 AM
CFSCreditTransferActivityReport_August2023.xlsx 39 KB
Monthly Credit Trans... 09/14/23 11:19 AM
CFSCreditTransferActivityReport_September2023.xlsx 37.5 KB
Monthly Credit Trans... 10/05/23 12:58 PM
CFSCreditTransferActivityReport_October 2023.xlsx 37.8 KB
Monthly Credit Trans... 11/14/23 09:26 AM
CFSCreditTransferActivityReport_November2023.xlsx 46.4 KB
Monthly Credit Trans... 12/07/23 08:39 AM
CFSCreditTransferActivityReport_December2023.xlsx 46.6 KB
Monthly Credit Trans... 01/08/24 11:55 AM
CFSquarterlysummary_Q22023 TABLE format.xlsx 40.7 KB
#NEW_CATEGORY# 01/09/24 08:55 AM
CFSCreditTransferActivityReport_January2024.xlsx 46.4 KB
Monthly Credit Trans... 02/07/24 03:38 PM
CFSCreditTransferActivityReport_February2024.xlsx 52.7 KB
Monthly Credit Trans... 03/07/24 05:00 PM
CFSquarterlysummary_Q32023.xlsx 41.5 KB
None 03/29/24 08:32 AM
CFSCreditTransferActivityReport_March2024.xlsx 53.6 KB
Monthly Credit Trans... 04/08/24 05:14 PM
CFSCreditTransferActivityReport_April2024.xlsx 55.8 KB
Monthly Credit Trans... 05/13/24 04:54 PM
CFSCreditTransferActivityReport_May2024.xlsx 55.4 KB
Monthly Credit Trans... 06/11/24 05:04 PM
CFSquarterlysummary_Q42023.xlsx 44.1 KB
None 06/28/24 01:36 PM
CFSCreditTransferActivityReport_June2024.xlsx 26.5 KB
Monthly Credit Trans... 07/22/24 04:05 PM
CFSCreditTransferActivityReport_July2024.xlsx 27 KB
Monthly Credit Trans... 08/07/24 09:36 AM
CFSquarterlysummary_Q12024.xlsx 29.8 KB
None 09/12/24 03:48 PM
CFSCreditTransferActivityReport_August2024.xlsx 27.7 KB
Monthly Credit Trans... 09/16/24 11:34 AM
Quarter 1 2024 Data Summary Clean Fuel Standard.pdf 237.7 KB
None 09/27/24 11:41 AM
CFSCreditTransferActivityReport_September2024.xlsx 27.9 KB
Monthly Credit Trans... 10/01/24 10:44 AM
CFSCreditTransferActivityReport_October2024.xlsx 34.1 KB
Monthly Credit Trans... 11/15/24 09:59 AM
CFSquarterlysummary_Q22024.xlsx 23.2 KB
None 11/20/24 03:21 PM
CFSCreditTransferActivityReport_November2024.xlsx 34.4 KB
None 12/02/24 05:03 PM
CFSCreditTransferActivityReport_December2024.xlsx 35 KB
Monthly Credit Trans... 01/14/25 05:21 PM
CFSCreditTransferActivityReport_January2025.xlsx 36.1 KB
Monthly Credit Trans... 02/03/25 09:10 AM
CFSCreditTransferActivityReport_February2025.xlsx 36.9 KB
Monthly Credit Trans... 03/05/25 04:15 PM
CFSquarterlysummary_Q32024.xlsx 21.9 KB
None 03/10/25 10:31 AM
CFSCreditTransferActivityReport_March2025.xlsx 37 KB
Monthly Credit Trans... 04/03/25 03:05 PM
CFSquarterlysummary_Q42024.xlsx 25.1 KB
None 04/15/25 10:22 AM
CFSCreditTransferActivityReport_April2025.xlsx 38.6 KB
Monthly Credit Trans... 05/09/25 01:40 PM
CFSCreditTransferActivityReport_May2025.xlsx 37.9 KB
Monthly Credit Trans... 06/06/25 10:45 AM
CFSCreditTransferActivityReport_June2025.xlsx 38.1 KB
Monthly Credit Trans... 07/11/25 11:12 AM
CFSCreditTransferActivityReport_July2025.xlsx 40 KB
Monthly Credit Trans... 08/05/25 11:26 AM
CFSquarterlysummary_Q12025.xlsx 19.7 KB
None 08/07/25 04:36 PM
CFSCreditTransferActivityReport_August2025.xlsx 40.3 KB
Monthly Credit Trans... 09/11/25 11:57 AM
CFSCreditTransferActivityReport_September2025.xlsx 41.1 KB
Monthly Credit Trans... 10/14/25 08:51 AM
CFSquarterlysummary_Q22025.xlsx 20.5 KB
None 10/20/25 04:21 PM
Revised_CFSquarterlysummary_Q22025.xlsx 48.8 KB
None 10/29/25 04:27 PM
CFSCreditTransferActivityReport_October2025.xlsx 42 KB
Monthly Credit Trans... 11/05/25 03:35 PM
CFSCreditTransferActivityReport_November2025.xlsx 42.8 KB
Monthly Credit Trans... 12/08/25 08:53 AM
Avista 2024.xlsx 82.5 KB
Utility Spending Rep... 12/17/25 08:42 AM
Chelan PUD 2024.xlsx 67.8 KB
Utility Spending Rep... 12/17/25 08:42 AM
Clark PUD 2024.xlsx 67 KB
Utility Spending Rep... 12/17/25 08:43 AM
Cowlitz PUD 2024.xlsx 76.5 KB
Utility Spending Rep... 12/17/25 08:43 AM
Douglas County PUD 2024.xlsx 75.5 KB
Utility Spending Rep... 12/17/25 08:43 AM
Franklin County PUD 2024.xlsx 74.2 KB
Utility Spending Rep... 12/17/25 08:44 AM
Jefferson PUD 2024.xlsx 79.6 KB
Utility Spending Rep... 12/17/25 08:44 AM
Klickitat PUD 2024.xlsx 79.3 KB
Utility Spending Rep... 12/17/25 08:44 AM
Lewis PUD 2024.xlsx 74.3 KB
Utility Spending Rep... 12/17/25 08:44 AM
Mason PUD 3 2024.xlsx 75 KB
Utility Spending Rep... 12/17/25 08:45 AM
Okanogan PUD 2024.xlsx 66.1 KB
Utility Spending Rep... 12/17/25 08:45 AM
Orcas Power and Light 2024.xlsx 73.9 KB
Utility Spending Rep... 12/17/25 08:45 AM
Pacific PUD 2024.xlsx 73.5 KB
Utility Spending Rep... 12/17/25 08:46 AM
PacifiCorp 2024.xlsx 75.9 KB
Utility Spending Rep... 12/17/25 08:46 AM
Peninsula Light Co 2024.xlsx 73.6 KB
Utility Spending Rep... 12/17/25 08:46 AM
Puget Sound Energy 2024.xlsx 72.8 KB
Utility Spending Rep... 12/17/25 08:46 AM
Seattle City Light 2024.xlsx 68.9 KB
Utility Spending Rep... 12/17/25 08:47 AM
Skamania PUD 2024.xlsx 79.3 KB
Utility Spending Rep... 12/17/25 08:47 AM
Snohomish PUD 2024.xlsx 74.4 KB
Utility Spending Rep... 12/17/25 08:47 AM
Tacoma Power 2024.xlsx 74.2 KB
Utility Spending Rep... 12/17/25 08:47 AM
Wahkiakum PUD 2024.xlsx 78.6 KB
Utility Spending Rep... 12/17/25 08:48 AM
CFSCreditTransferActivityReport_December2025.xlsx 43.3 KB
Monthly Credit Trans... 01/28/26 12:14 PM

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