20250911Decision Memo.pdf

DECISION MEMORANDUM
TO: COMMISSIONER LODGE
COMMISSIONER HAMMOND
COMMISSIONER HARDIE
COMMISSION SECRETARY
COMMISSION STAFF
LEGAL
FROM: JEFFREY R. LOLL
DEPUTY ATTORNEY GENERAL
DATE: SEPTEMBER 11, 2025
SUBJECT: IN THE MATTER OF AVISTA CORPORATION'S APPLICATIONS FOR
A DETERMINATION OF 2024 ELECTRIC AND NATURAL GAS
ENERGY EFFICIENCY EXPENSES AS PRUDENTLY INCURRED; CASE
NOS. AVU-E-25-12 AND AVU-G-25-09.
On August 29, 2025, Avista Corporation, doing business as Avista Utilities ("Company"),
filed two applications with the Idaho Public Utilities Commission ("Commission") requesting
prudence determinations of its 2024 Electric and Gas Energy Efficiency Expenses (collectively,
the "Applications").
The Company requests an order designating its electric energy efficiency expenditures
from January 1, 2024, through December 31, 2024, funded through the Company's Schedule 91
Energy Efficiency Rider Adjustment in the amount of$17,276,972, as prudently incurred.
The Company also requests an order designating its natural gas energy efficiency
expenditures from January 1, 2024, through December 31, 2024, funded through the Company's
Schedule 191 Energy Efficiency Rider Adjustment in the amount of $2,279,817, as prudently
incurred.
The Company requests that the Commission process the Applications by Modified
Procedure.
STAFF RECOMMENDATION
Due to the similarities in each Application, Commission Staff("Staff') recommends the
Commission process the Applications together. Staff recommends the Commission issue a Notice
of Applications and Notice of Intervention Deadline establishing a 21-day intervention period.
DECISION MEMORANDUM 1

COMMISSION DECISION
Does the Commission wish to issue a Notice of Applications and Notice of Intervention
Deadline establishing a 21-day intervention period?
Jeffrey'R. Loll 7
Deputy Attorney General
I:\Legal\ELECTRIC\A V UE2512_G2509_prudence\memos\A V UE2512_A V UG2509_dec_JL.docx
DECISION MEMORANDUM 2