20261023Notice_of_Modified_Procedure_Order_No_37209.pdf

Office of the Secretary
Service Date
October 23,2026
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF AVISTA ) CASE NOS.AVU-E-26-11
CORPORATION'S APPLICATIONS FOR A ) AVU-G-26-06
DETERMINATION OF 2025 ELECTRIC AND )
NATURAL GAS ENERGY EFFICIENCY ) NOTICE OF MODIFIED
EXPENSES AS PRUDENTLY INCURRED ) PROCEDURE
ORDER NO. 37209
On August 31, 2026, Avista Corporation, doing business as Avista Utilities ("Company"),
filed two applications with the Idaho Public Utilities Commission ("Commission") requesting
prudence determinations of its 2025 electric and gas energy efficiency expenses for future
ratemaking purposes (collectively, the "Applications").
The Company requests an order designating its electric energy efficiency expenditures
from January 1, 2025, through December 31, 2025, funded through the Company's Schedule 91
Energy Efficiency Rider Adjustment in the amount of$20,688,852, as prudently incurred.
The Company also requests an order designating its natural gas energy efficiency
expenditures from January 1, 2025, through December 31, 2025, funded through the Company's
Schedule 191 Energy Efficiency Rider Adjustment in the amount of $2,742,431, as prudently
incurred.
The Commission found that processing these cases together was reasonable and would be
an efficient use of resources for any parties wishing to join. On September 22, 2026, the
Commission issued a Notice of Applications and Notice of Intervention Deadline. Order No.
37176. No parties intervened.
The Commission now issues this Notice of Modified Procedure establishing written
comment deadlines.
NOTICE OF MODIFIED PROCEDURE
YOU ARE HEREBY NOTIFIED that the Commission has determined that the public
interest may not require a formal hearing in this matter, and that it will proceed under Modified
Procedure pursuant to the Commission's Rules of Procedure 201-204,IDAPA 31.01.01.201—.204.
The Commission notes that Modified Procedure and written comments have proven to be an
effective means for obtaining public input and participation.
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37209 1

YOU ARE FURTHER NOTIFIED that persons desiring to state a position on this
Application may file a written comment explaining why the person supports or opposes the
Application. Persons who would like a hearing must specifically request a hearing in their written
comments and explain why written comments alone are insufficient. Persons interested in filing
written comments must do so by December 17, 2026. Comments must be filed through the
Commission's website or by e-mail unless computer access is unavailable. To comment
electronically, please access the Commission's website at www.puc.idaho.gov. Click the "Case
Comment Form" and complete the form using the case number as it appears on the front of this
document.
To file by e-mail, persons must e-mail the comments to the Commission Secretary and all
parties at the e-mail addresses listed below. Persons submitting a comment by e-mail must provide
their name, address, and the Case Number under which they are commenting. Persons submitting
a comment by e-mail also acknowledge that submitting a comment in an open case constitutes a
public record under Idaho Code § 74-101(13) and that all information provided by such person is
available for public and media inspection.
If computer access is unavailable, then comments may be mailed to the Commission and
the Parties at the addresses below.Persons submitting a comment by mail must provide their name,
address, and the Case Number under which they are commenting. Persons submitting a comment
by mail also acknowledge that submitting a comment in an open case constitutes a public record
under Idaho Code § 74-101(13) and that all information provided by such person is available for
public and media inspection.
For the Idaho Public Utilities For the Company:
Commission:
Commission Secretary Anni Glogovac
Idaho Public Utilities Commission Shawn J. Bonfield
P.O. Box 83720 Avista Corporation
Boise, ID 83702-0074 P.O. Box 3727
secretgUkpuc.idaho.gov 1411 E. Mission Avenue, MSC 27
Spokane, WA 99220-3727
anni.glo og vackavistacorp.com
shawn.bonfieldgavi stacorp.com
avistadockets&avistacorp.com
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37209 2

YOU ARE FURTHER NOTIFIED that the Company must file any reply comments by
January 7, 2027.
YOU ARE FURTHER NOTIFIED that if no written comments or protests are received
within the time limit set, the Commission will consider this matter on its merits and enter its final
order without a formal hearing. If written comments are received within the time limit set, the
Commission will consider them and, in its discretion, may set the same for formal hearing.
ORDER
IT IS HEREBY ORDERED that this Application be processed under Modified Procedure.
Persons interested in submitting written comments must do so by December 17, 2026. The
Company must file any reply comments by January 7, 2027.
IT IS FURTHER ORDERED that parties comply with Order No. 35375, issued April 21,
2022. Generally, all pleadings should be filed with the Commission electronically and will be
deemed timely filed when received by the Commission Secretary. Rule 14.02. Service between
parties should continue to be accomplished electronically when possible. However, voluminous
discovery-related documents may be filed and served on CD-ROM or a USB flash drive.
DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 23rd day of
October 2026.
G
EDWARD LODGE, PR IDENT
J R. HAMMOND JR., COMMISSIONER
DAYN HA IE, COMMISSIONER
ATTEST:
/pox,
o i a anchez
Commission Secretary
I ALegal\ELECTRIC\A V U-E-26-11_G2606_pmdenc a\orders\ntc_mod_j 1.docx
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37209 3