20250929Decision Memo.pdf

DECISION MEMORANDUM
TO: COMMISSIONER LODGE
COMMISSIONER HAMMOND
COMMISSIONER HARDIE
COMMISSION SECRETARY
COMMISSION STAFF
LEGAL
FROM: ADAM TRIPLETT
DEPUTY ATTORNEY GENERAL
DATE: SEPTEMBER 29, 2025
SUBJECT: IN THE MATTER OF AVISTA CORPORATION'S ANNUAL
COMPLIANCE FILING TO UPDATE THE LOAD AND GAS
FORECASTS IN THE INCREMENTAL COST INTEGRATED
RESOURCE PLAN AVOIDED COST MODEL TO BE USED FOR
AVOIDED COST CALCULATIONS; CASE NO. AVU-E-25-13.
On September 15, 2025, Avista Corporation ("Company") filed a compliance filing
requesting the Idaho Public Utilities Commission ("Commission") to issue an order accepting its
updated load forecast, natural gas price forecast, and contracts used as inputs to calculate its
incremental cost Integrated Resource Plan avoided cost rates, as required by Order Nos. 32697,
32802, and 35274. The Company requests its filing be processed by Modified Procedure with an
effective date of January 1, 2026.
STAFF RECOMMENDATION
Staff recommends the Commission issue a Notice of Application and Notice of Modified
Procedure establishing a December 2, 2025, public comment deadline, and a December 9, 2025,
Company reply deadline.
COMMISSION DECISION
Does the Commission wish to issue a Notice of Application and Notice of Modified
Procedure establishing a December 2, 2025, public comment deadline, and a December 9, 2025,
Company reply deadline?
AL
Adam Triplett
Deputy Attorney General
I:\Lega1\ELECTRIC\AVU-E-25-13_W comp\memosWVUE2513_dec_at.doc
DECISION MEMORANDUM I