20241031Final Approved Tariffs.pdf

Thirty-Fourth Revision Sheet 150 DAHO PUBLIC UTILITIES COMMISSION
Replacing Approved Effective
I.P.U.C. No.27 Thirty-Third Revision Sheet 150 Oct. 31, 2024 ov. 1, 2024
Per ON 479
AVISTA CORPORATION Monica Barrios-Sanchez Secretary
d/b/a Avista Utilities
SCHEDULE 150
PURCHASE GAS COST ADJUSTMENT - IDAHO
APPLICABLE:
To Customers in the State of Idaho where Company has natural gas service
available.
PURPOSE:
To pass through changes in costs resulting from purchasing and transporting
natural gas, to become effective as noted below.
RATE:
(a) The retail rates of firm gas Schedules 101, 111 and 112 are to be increased
by 32.8450 per therm in all blocks of these rate schedules.
(b) The rates of interruptible Schedules 131 and 132 are to be increased by
23.8500 per therm.
(c) The rate for transportation under Schedule 146 is to be decreased by
0.0000 per therm.
WEIGHTED AVERAGE GAS COST:
The above rate changes are based on the following weighted average cost of gas
per therm as of the effective date shown below:
Demand Commodity Total
Schedules 101 8.9950 23.8500 32.8450
Schedules 111 and 112 8.9950 23.8500 32.8450
Schedules 131 and 132 0.0000 23.8500 23.8500
The above amounts include a gross revenue factor.
Demand Commodity Total
Schedules 101 8.9610 23.7600 32.7210
Schedules 111 and 112 8.9610 23.7600 32.7210
Schedules 131 and 132 0.0000 23.7600 23.7600
The above amounts do not include a gross revenue factor.
BALANCING ACCOUNT:
The Company will maintain a Purchase Gas Adjustment (PGA) Balancing Account
whereby monthly entries into this Balancing Account will be made to reflect differences
between the actual purchased gas costs collected from customers and the actual
purchased gas costs incurred by the Company. Those differences are then collected from
or refunded to customers under Schedule 155 — Gas Rate Adjustment.
Issued July 31,2024 Effective November 1, 2024
Issued by Avista Utilities
By Patrick Ehrbar— Director of Regulatory Affairs

Twenty-Sixth Revision Sheet 155 DAHO PUBLIC UTILITIES COMMISSION
Canceling Approved Effective
I.P.U.C. No.27 Twenty-Fifth Revision Sheet 155 Oct. 31, 2024 ov. 1, 2024
Per ON 479
AVISTA CORPORATION Monica Barrios-Sanchez Secretary
d/b/a Avista Utilities
SCHEDULE 155
GAS RATE ADJUSTMENT - IDAHO
AVAILABLE:
To Customers in the State of Idaho where Company has natural gas service
available.
PURPOSE:
To adjust gas rates for amounts generated by the sources listed below.
MONTHLY RATE:
(a) The rates of firm gas Schedules 101 and 111 are to be
decreased by 1.7340 per therm in all blocks of these rate schedules.
(b) The rate of interruptible gas Schedule 131 is to be decreased by
0.0000 per therm.
(c) The rate of transportation gas Schedule 146 is to be decreased by 0.0000
pertherm.
SOURCES OF MONTHLY RATE:
Changes in the monthly rates above result from amounts which have been
accumulated in the Purchase Gas Adjustment (PGA) Balancing Account as
described in Schedule 150 — Purchase Gas Cost Adjustment.
SPECIAL TERMS AND CONDITIONS:
The above Monthly Rate is subject to the provisions of Tax Adjustment Schedule
158.
Issued July 31, 2024 Effective November 1, 2024
Issued by Avista Utilities
By Patrick Ehrbar, Director of Regulatory Affairs
(Q)_Jtl�