20241010Notice_of_Filing_Order_No_36347.pdf

Office of the Secretary
Service Date
October 10,2024
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF AVISTA ) CASE NO. AVU-E-24-10
CORPORATION'S ANNUAL COMPLIANCE )
FILING TO UPDATE THE LOAD AND GAS ) NOTICE OF FILING
FORECASTS IN THE INCREMENTAL COST )
INTEGRATED RESOURCE PLAN AVOIDED ) NOTICE OF
COST MODEL TO BE USED FOR AVOIDED ) MODIFIED PROCEDURE
COST CALCULATIONS )
ORDER NO. 36347
On September 13, 2024, Avista Corporation ("Company") filed a compliance filing
("Filing") requesting that the Idaho Public Utilities Commission ("Commission") issue an order
accepting its updated load forecast, natural gas price forecast, and contract information
components used as inputs to calculate its incremental cost Integrated Resource Plan ("IRP")
avoided cost rates with an effective date of January 1, 2025. The Company requests processing of
this matter via Modified Procedure.
With this Order the Commission issues notice of the Company's Filing and establishes
public comment and Company reply deadlines.
NOTICE OF FILING
YOU ARE HEREBY NOTIFIED that the Company represented that its energy load
forecast increases at 0.93% annual average growth rate for years 2026 through 2045.
YOU ARE FURTHER NOTIFIED that the Company represented that its natural gas
price forecast was developed using a combination of "the U.S. Energy Information
Administration's Annual Energy Outlook. . . and forward market prices as of December 15,2023."
Filing at 3.
YOU ARE FURTHER NOTIFIED that the Company noted that, since its 2023 annual
filing, the Company has signed one new long-term Public Utility Regulatory Policies Act
("PURPA")contract and another was being negotiated last year. The Company further represented
that two PURPA contracts ended and an updated power purchase agreement with Clearwater Wind
begins in September 2024. The Company included details of the contracts in workpapers attached
to its Filing.
NOTICE OF FILING
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36347 1

YOU ARE FURTHER NOTIFIED that the Filing is available for public inspection
during regular business hours at the Commission's office. These documents are also available on
the Commission's website at www.puc.idaho.gov. Click on the "ELECTRIC" icon, select "Open
Cases,"then click on the case number as shown on the front of this document.
YOU ARE FURTHER NOTIFIED that all proceedings in this case will be held
pursuant to the Commission's jurisdiction under Title 61 of the Idaho Code, and all proceedings
in this matter will be conducted pursuant to the Commission's Rules of Procedure, IDAPA
31.01.01.000 et seq.
NOTICE OF MODIFIED PROCEDURE
YOU ARE FURTHER NOTIFIED that the Commission has determined that the public
interest may not require a formal hearing in this matter, and it will review the case through written
submissions under the Commission's Rules of Modified Procedure Rules 201-204 of the Idaho
Public Utilities Commission's Rules of Procedure, 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.
YOU ARE FURTHER NOTIFIED that persons desiring to state a position on this
Filing may file a written comment explaining why they support or oppose the Filing. Persons who
would like a hearing must specifically request a hearing in their written comments. Persons shall
have until December 3, 2024, to file written comments. 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 all information provided by such person is
available for public and media inspection.
NOTICE OF FILING
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36347 2

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 all information provided by such person is available
for public and media inspection.
For the Idaho PUC: For Avista Corporation:
Commission Secretary Michael G. Andrea(MSC-13)
Idaho Public Utilities Commission Shawn Bonfield(MSC-27)
P.O. Box 83720 Avista Corporation
Boise, ID 83720-0074 P.O. Box 3727
secretgagpuc.idaho.gov 1411 E. Mission Avenue
Spokane, WA 99220
Street Address for Express Mail: [e-mail]
shawn.bonfield0)avistacorp.com
11331 W. Chinden Blvd.
Building 8, Suite 201-A
Boise, ID 83714
YOU ARE FURTHER NOTIFIED that the Company must file any reply comments by
December 10, 2024.
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 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 the Company's Filing be processed by Modified
Procedure, Rules 201-204. Persons interested in submitting written comments must do so by
December 3, 2024. The Company must file any reply comments by December 10, 2024.
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.See 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.
NOTICE OF FILING
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36347 3

DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 101h day
of October 2024.
ERIC ANDERSON, PRESIDENT
HN R. HAMMOND JR., COMMISSIONER
G
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E WARD LODGE, CO ISSIONER
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IALega1\ELECTRIC\AW-E-24-10_IRP\ordefs\AWE2410_Ntc of App_Mod_at.docx
NOTICE OF FILING
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 36347 4