20260924Final Approved Tariffs.pdf

Tenth Revision Sheet 75 IDAHO PUBLIC UTILITIES COMMISSION
Canceling Approved Effective
I.P.U.C. No. 28 Ninth Revision Sheet 75 September 24,2026 October 1,2026
Per ON 37184
AVISTA CORPORATION Commission Secretary
dba Avista Utilities
SCHEDULE 75
FIXED COST ADJUSTMENT MECHANISM — ELECTRIC
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 kilowatt-hour sales to
customers served under the applicable electric service schedules.
TERM:
The FCA mechanism will remain in effect through August 31, 2029.
APPLICABLE:
To Customers in the State of Idaho where the Company has electric service
available. This schedule shall be applicable to all retail customers taking service
under Schedules 1, 11, 12, 21, 22, 31, and 32. This Schedule does not apply to
Extra Large General Service Schedule 25, Extra Large General Service to
Clearwater Paper Schedule 25P, or to Street and Area Light Schedules 41 through
49.
Applicable Customers will be segregated into two (2) distinct Rate Groups:
Group 1 — Schedule 1
Group 2 — Schedules 11, 12, 21, 22, 31, 32
Note — the recovery of incremental revenue related to fixed production and
transmission costs will be excluded for new natural gas customers added after the
FCA Base test year.
MONTHLY RATE:
Group 1 — $0.00405 per kWh
Group 2 — ($0.00055) per kWh
Issued July 31, 2026 Effective October 1, 2026
Issued by Avista Corporation
By Patrick Ehrbar, Director of Regulatory Affairs
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