20260630AVU-G-25-01 Gas Clean Tariffs.pdf

Twentieth Revision Sheet 111
Canceling
I.P.U.C. No.27 Nineteenth Revision Sheet 111
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 111
LARGE GENERAL SERVICE - FIRM - IDAHO
AVAILABLE:
To Customers in the State of Idaho where Company has natural gas service
available.
APPLICABLE:
To firm gas service for any purpose, subject to execution of a service
agreement for a term of one year or longer. All such service used on the premises
shall be supplied at one point of delivery through a single meter.
MONTHLY RATE:
Charge Per Therm:
Per Meter
Base Rate Per Month
First 200 $0.41840
Next 800 $0.30345
Next 9,000 $0.23221
All Over $0.17405
Minimum Charge: $83.68 The minimum charge calculation is based solely
on the base rate per therm noted above and is not inclusive of the adder schedules.
The above Monthly Rates are subject to increases or decreases as set forth in Tax
Adjustment Schedule 158, Purchase Gas Cost Adjustment Schedule 150, Gas
Rate Adjustment Schedule 155, Fixed Cost Adjustment Schedule 175, Tax
Customer Credit Schedule 176 and Energy Efficiency Rider Adjustment Schedule
191.
Issued June 30, 2026 Effective September 1, 2026
Issued by Avista Utilities
( J By Patrick Ehrbar Director of Regulatory Affairs

Twenty first Revision Sheet 112
Canceling
I.P.U.C. No.27 Twentieth Revision Sheet 112
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 112
LARGE GENERAL SERVICE - FIRM - IDAHO
AVAILABLE:
To Customers in the State of Idaho where Company has natural gas service
available. Customers taking service under this Schedule beginning on or after
March 1, 2002 must have been previously served under Schedule 146 —
Transportation Service for Customer—Owned Gas.
APPLICABLE:
To firm gas service for any purpose, subject to execution of a service
agreement for a term of one year or longer. All such service used on the premises
shall be supplied at one point of delivery through a single meter.
MONTHLY RATE:
Charge Per Therm:
Per Meter
Base Rate Per Month
First 200 $0.41840
Next 800 $0.30345
Next 9,000 $0.23221
All Over $0.17405
Minimum Charge: $83.68 The minimum charge calculation is based solely
on the base rate per therm noted above and is not inclusive of the adder schedules.
The above Monthly Rates are subject to increases or decreases as set forth in Tax
Adjustment Schedule 158, Purchase Gas Cost Adjustment Schedule 150, Gas
Rate Adjustment Schedule 155, Fixed Cost Adjustment Schedule 175, Tax
Customer Credit Schedule 176 and Energy Efficiency Rider Adjustment Schedule
191.
Issued June 30, 2026 Effective September 1, 2026
Issued by Avista Utilities
By Patrick Ehrbar Director of Regulatory Affairs

Seventeenth Revision Sheet 146
Canceling
I.P.U.C. No.27 Sixteenth Revision Sheet 146
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 146
TRANSPORTATION SERVICE FOR CUSTOMER-OWNED GAS - IDAHO
AVAILABLE:
To Commercial and Industrial Customers in the State of Idaho whose
requirements exceed 250,000 therms of gas per year provided that the Company's
existing distribution system has capacity adequate for the service requested by
Customer.
APPLICABLE:
To transportation service for a Customer-owned supply of natural gas from the
Company's point of interconnection with its Pipeline Transporter to the Company's
point of interconnection with the Customer. Service shall be supplied at one point of
delivery and metering for use by a single customer.
MONTHLY RATE:
$400.00 Customer Charge, plus
Charge Per Therm:
Base Rate 11.7510
ANNUAL MINIMUM:
$34,178 unless a higher minimum is required under contract to cover special
conditions.
The above Monthly Rates are subject to increases or decreases as set forth in Tax
Adjustment Schedule 158, Gas Rate Adjustment Schedule 155, Tax Customer Credit
Schedule 176 and Energy Efficiency Rider Adjustment Schedule 191.
Issued June 30, 2026 Effective September 1, 2026
Issued by Avista Utilities
By Patrick Ehrbar, Director of Regulatory Affairs