20231027Final Approved Tariff.pdf

AVISTA CORPORATION
dba Avista Utilities
Issued July 31, 2023 Effective November 1, 2023

Issued by Avista Corporation
By Patrick Ehrbar, Director of Regulatory Affairs

SCHEDULE 175
FIXED COST ADJUSTMENT MECHANISM – NATURAL GAS

PURPOSE:

This Schedule establishes balancing accounts and implements an annual Fixed
Cost Adjustment (“FCA”) rate mechanism that separates the recovery of the
Company’s Commission authorized revenues from therm sales to customers
served under the applicable natural gas service schedules.

TERM:

The term of the FCA mechanism will remain in effect through March 31, 2025.

APPLICABLE:

To Customers in the State of Idaho where the Company has natural gas service
available. This schedule shall be applicable to all retail customers taking service
under Schedules 101, 111, and 112. This Schedule does not apply to Schedules
131/132 (Interruptible Service), Schedule 146 (Transportation Service For
Customer-Owned Gas) or Schedule 148 (Special Contracts). Applicable
Customers will be segregated into two (2) distinct Rate Groups:

Group 1 – Schedule 101
Group 2 – Schedules 111 and 112

Note – the recovery of incremental revenue related to fixed production and
underground storage costs will be excluded for new natural gas customers added
after the FCA Base test year.

MONTHLY RATE:

Group 1 – ($0.01219) per therm
Group 2 – ($0.00632) per therm

Seventh Revision Sheet 175
Canceling
I.P.U.C. No. 27 Sixth Revision Sheet 175

IDAHO PUBLIC UTILITIES COMMISSIONApproved EffectiveOct. 27, 2023 Nov. 1, 2023 Per ON 35969 Jan Noriyuki Secretary