20251020Final Approved Tariffs.pdf

ID HO PUBLIC UTILITIES COMMISSION
Approved Effective
I.P.U.C. No.27 Original Sheet 157 October 20, 2025 January 1, 2026
Commission Secretary
AVISTA CORPORATION
d/b/a Avista Utilities
SCHEDULE 157
STATE OF IDAHO USAGE TAX ADJUSTMENT SCHEDULE
The purpose of this schedule is to set forth charges imposed on the
Company by the State of Idaho and billed separately by the Company to its
Customers pursuant to Idaho Code § 63-3502B.
APPLICABLE:
To Customers in the State of Idaho where the Company has natural gas
service available. This Rate Adjustment shall be applicable to all retail customers
taking service under Schedules 101, 111, 112, 131, and 132. This Rate Adjustment
is designed to recover costs incurred by the Company associated with paying Idaho
taxes pursuant to Idaho Code § 63-3502B.
MONTHLY RATE:
The tax rate of$0.010802 per therm will be applied to the retail energy sold
by the Company for natural gas service provided under the Company's schedules,
which will be separately stated on the Customer's regular billing.
SPECIAL TERMS AND CONDITIONS:
Service under this schedule is subject to the Rules and Regulations contained
in this tariff.
Issued October 1, 2025 Effective January 1, 2026
Issued by Avista Utilities
Patrick Ehrbar, Director of Regulatory Affairs