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TARIFFS AND RATE SCHEDULES

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TERMS AND CONDITIONS

AVERAGE DIESEL FUEL PRICE
PORTLAND, OREGON

Month and Year
Average Diesel Fuel Price*
January 2026
$2.44
December 2025
$2.41
November 2025
$2.82
October 2025
$2.97
September 2025
$3.15
August 2025
$3.04
July 2025
$3.28
June 2025
$3.19
May 2025
$2.80
April 2025
$2.56
March 2025
$2.49
February 2025
$2.51
January 2025
$2.49
December 2024
$2.32
November 2024
$2.45
October 2024
$2.62
September 2024
$2.50
August 2024
$2.57
July 2024
$2.76
June 2024
$2.69
May 2024
$2.60
April 2024
$2.77
March 2024
$2.58
February 2024
$2.59
January 2024
$2.50
December 2023
$2.65
November 2023
$2.94
October 2023
$3.29
September 2023
$3.95
August 2023
$3.81
July 2023
$3.01
June 2023
$2.86
May 2023
$2.78
April 2023
$2.84
March 2023
$3.02
February 2023
$3.18
January 2023
$3.19
December 2022
$3.05
November 2022
$4.21
October 2022
$4.33
September 2022
$3.82
August 2022
$3.76
July 2022
$4.54
June 2022
$5.18
May 2022
$4.42
April 2022
$4.04
March 2022
$3.99
February 2022
$3.06
January 2022
$3.11

*These monthly average fuel prices will be used to calculate fuel charges per applicable tariffs.

OPIS GROSS ULTRA LOW SULFUR RED DYE DISTILLATE PRICES
PORTLAND, OREGON

Date
Price
February 5, 2026
$2.76
January 29, 2026
$2.68
January 22, 2026
$2.55
January 15, 2026
$2.33
January 8, 2026
$2.19
December 31, 2025
$2.23
December 24, 2025
$2.24
December 18, 2025
$2.29
December 11, 2025
$2.56
December 4, 2025
$2.72
November 27, 2025
$2.82
November 20, 2025
$2.90
November 13, 2025
$2.73
November 6, 2025
$2.81
October 30, 2025
$2.93
October 23, 2025
$2.84
October 16, 2025
$2.95
October 9, 2025
$3.02
October 2, 2025
$3.12
September 25, 2025
$3.12
September 18, 2025
$3.16
September 11, 2025
$3.15
September 4, 2025
$3.15
August 28, 2025
$3.11
August 21, 2025
$3.02
August 14, 2025
$2.97
August 7, 2025
$3.05
July 31, 2025
$3.21
July 24, 2025
$3.28
July 17, 2025
$3.28
July 10, 2025
$3.35
July 3, 2025
$3.28
June 26, 2025
$3.36
June 19, 2025
$3.31
June 12, 2025
$3.09
June 5, 2025
$3.00
May 29, 2025
$3.06
May 22, 2025
$3.06
May 15, 2025
$2.86
May 8, 2025
$2.52
May 1, 2025
$2.53
April 24, 2025
$2.55
April 17, 2025
$2.51
April 10, 2025
$2.53
April 3, 2025
$2.66
March 27, 2025
$2.60
March 20, 2025
$2.49
March 13, 2025
$2.43
March 6, 2025
$2.44
February 27, 2025
$2.49
February 20, 2025
$2.54
February 13, 2025
$2.53
February 6, 2025
$2.50
January 30, 2025
$2.51
January 23, 2025
$2.63
January 16, 2025
$2.55
January 9, 2025
$2.41
January 2, 2025
$2.36
December 26, 2024
$2.30
December 19, 2024
$2.32
December 12, 2024
$2.30
December 5, 2024
$2.35
November 28, 2024
$2.43
November 21, 2024
$2.42
November 14, 2024
$2.44
November 7, 2024
$2.52
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