20260519Decision Memo.pdf

DECISION MEMORANDUM
TO: COMMISSIONER LODGE
COMMISSIONER HAMMOND
COMMISSIONER HARDIE
COMMISSION SECRETARY
COMMISSION STAFF
LEGAL
FROM: REBECCA COTTRELL, COMMISSION STAFF
KELSEA E. ROSS, DEPUTY ATTORNEY GENERAL
DATE: MAY 19, 2026
SUBJECT: IN THE MATTER OF AVISTA CORPORATION'S APPLICATION TO
INCREASE ITS SCHEDULE 91 ENERGY EFFICIENCY TARIFF RIDER
ADJUSTMENT; CASE NO. AVU-E-26-01.
On February 13, 2026, Avista Corporation, dba Avista Utilities ("Company") filed an
application ("Application") with the Idaho Public Utilities Commission ("Commission")
requesting authority to increase its I.P.U.C. No. 28, Schedule 91, "Energy Efficiency Rider
Adjustment"rates, effective May 1, 2026.
On May 1, 2026, the Commission issued Order No. 37025, authorizing a 3.3%increase in
overall billed rates. The Commission directed the Company to submit its Schedule 91 tariff in
compliance with the rates and charges approved in Order No. 37025.
On May 1, 2026, the Company filed its Schedule 91 tariff reflecting the rates approved in
Order No. 37025. Commission Staff("Staff') reviewed the Company's tariff and confirmed the
tariff is consistent with the Commission's order.
RECOMMENDATION
Staff recommends the Commission approve the tariff submitted on May 1, 2026, as filed,
with an effective date of May 1, 2026.
COMMISSION DECISION
Does the Commission wish to approve the tariff submitted on May 1, 2026, as filed, with
an effective date of May 1, 2026?
/Z AX01
�ebecca 1
Commission Staff
https:Hidahogov-my.sharepoint.com/personal/patricia_jordan_puc_idaho_gov/Documents/Desktop/AVU-E-26-01 Decision Memo.doex
DECISION MEMORANDUM - 1 - MAY 19, 2026