20260527Notice_of_Modified_Procedure_Order_No_37048.pdf

Office of the Secretary
Service Date
May 27,2026
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF IDAHO POWER ) CASE NO. IPC-E-26-04
COMPANY'S APPLICATION FOR )
CERTIFICATES OF PUBLIC ) NOTICE OF MODIFIED
CONVENIENCE AND NECESSITY FOR THE ) PROCEDURE
SOUTH HILLS AND PEREGRINE POWER )
PLANTS AND FOR AN ASSOCIATED )
ACCOUNTING ORDER ) ORDER NO. 37048
On March 10, 2026, Idaho Power Company ("Company") applied ("Application") to the
Idaho Public Utilities Commission ("Commission") requesting: (1) a Certificate of Public
Convenience and Necessity("CPCN")for the South Hills Power Plant,a natural gas-fueled facility
providing up to 222 megawatts ("MW") of nameplate generation to meet an identified capacity
deficit in 2029; (2) a CPCN for the Peregrine Power Plant, a natural gas-fueled facility providing
430 MW of nameplate generation to meet an identified capacity deficit in 2030; and (3) an order
confirming the Company's application of accrual of Allowance for Funds Used During
Construction for the South Hills Power Plant and the Peregrine Power Plant to coincide with initial
procurement activities for the natural gas-fueled facilities. Application at 1.
On April 6, 2026, the Commission issued a Notice of Application and Notice of
Intervention Deadline, setting a deadline for interested parties to file a petition to intervene. Order
No. 36994. The Commission granted intervention to Idaho Irrigation Pumpers Association, Inc.,
Micron Technology, Inc., and Northwest Energy Coalition and Renewable Northwest in Order
Nos. 36993 and 37026.
With this Order we set public comment and Company reply 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.
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
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37048 1

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 July 31, 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 http://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.
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 Public Utilities For the Company:
Commission:
Commission Secretary Donovan E. Walker
Idaho Public Utilities Commission Tim Tatum
P.O. Box 83720 Connie Aschenbrenner
Boise, ID 83720-0074 Idaho Power Company
secretaakpuc.idaho.gov 1221 West Idaho Street (83702)
P.O. Box 70
Boise, ID 83707
dwalkergidahopower.com
ttatumgidahopower.com
caschenbrennerkidahopower.com
dockets kidahopower.com
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37048 2

YOU ARE FURTHER NOTIFIED that the Company must file any reply comments by
August 14, 2026.
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 July 31, 2026. The Company
must file any reply comments by August 14, 2026.
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.
DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 27th day of
May 2026.
G
EDWARD LODGE, PI&SibtNT
i'L
JO R. HAMMOND JR., COMMISSIONER
DAYN HA4DIE, COMMISSIONER
ATTEST:
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Commission Secretary
I:\Legal\ELECTRIC\IPC-E-26-04_CPCNs\orders\IPCE2604_mc_mod_kr.docx
NOTICE OF MODIFIED PROCEDURE
ORDER NO. 37048 3