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.
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.
WAC 173-424-710(5) previously required 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. This rule was amended in October 2025 and this requirement was removed, as it was duplicative of a preexisting annual Legislative report.
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.
Through the end of calendar year 2025 four participating electric utilities invested revenue in zero-emission vehcile projects.
2023-2025 Investment Summary
Utility
Credits earned
Credits sold
Revenue
Revenue invested in
Zero-emission vehicle projects
Avista Utilities
52,607
34,913
$716,282
$557,566
PUD No.1 of Clallam County
8,439
4,018
$84,378
$-
Chelan County PUD #1
14,725
0
$-
$-
Clark Public Utilities
93,567
35,281
$841,160
$339,692
Cowlitz County PUD #1
12,421
0
$-
$-
Douglas County PUD #1
5,180
3,088
$71,024
$71,024
Franklin County PUD #1
4,980
0
$-
$-
Jefferson County PUD #1
9,241
0
$-
$-
Klickitat County PUD #1
2,245
2,245
$61,691
$-
Lewis County PUD #1
5,652
0
$-
$-
Mason County PUD #3
7,755
0
$-
$-
Okanogan County Electric Co-op
1,768
786
$20,436
$-
Orcas Power & Light
9,029
0
$-
$-
Pacific County PUD #2
1,925
0
$-
$-
PacifiCorp
10,105
0
$-
$-
Peninsula Light Company
21,162
0
$-
$-
Puget Sound Energy
1,088,310
85,003
$2,324,125
$-
Seattle City Light
482,236
0
$-
$-
Skamania County PUD #1
1,212
1,212
$33,136
$-
Snohomish County PUD #1
236,711
42,250
$1,204,250
$32,215
Tacoma Power
77,970
0
$-
$-
Wahkiakum County PUD #1
474
474
$13,019
$-
What utilities invested in
In the 2025 reporting period, Clark Public Utility District installed EV chargers at a multifamily housing complex in Vancouver, WA and at Vancouver Public Schools to charge their electric school buses. Douglas Public Utility District used funds to support the production of green hydrogen. Avista Utilities continued to provide EVs for community organizations including Meals on Wheels and Spokane Regional Health District. More utilities reporting planning and project development activities that will have results reported in upcoming reporting periods.
During the 2023–2024 period, Avista Utilities partnered with local community organizations—including Meals on Wheels and The Council of Aging & Human Services —to support electric vehicles and EV charging infrastructure. These projects helped meet clean transportation goals while directly serving community needs.