20231031Notice_of_Application_Order_No_35974.pdf

NOTICE OF APPLICATION
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35974 1
Office of the Secretary
Service Date
October 31, 2023
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

IN THE MATTER OF IDAHO POWER
COMPANY’S 2023 INTEGRATED
RESOURCE PLAN
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CASE NO. IPC-E-23-23

NOTICE OF APPLICATION

NOTICE OF
INTERVENTION DEADLINE

ORDER NO. 35974

On June 1, 2023, Idaho Power Company (“Company”) filed an application (“Application”)
with the Idaho Public Utilities Commission (“Commission”) requesting that the Commission issue
an order acknowledging the Company’s 2023 Integrated Resource Plan (“2023 IRP”).
NOTICE OF APPLICATION
YOU ARE HEREBY NOTIFIED that the Company states that the 2023 IRP represents a
comprehensive analysis of the optimal mix of both demand- and supply-side resources available
to reliably serve customer demand and flexible capacity needs from 2024 to 2043. Application at
1-2.
YOU ARE FURTHER NOTIFIED that the Company represents that the primary goals of
the 2023 IRP are to: (1) identify sufficient resources to reliably serve the growing demand for
energy within Idaho Power’s service area throughout the 20-year planning period (2024-2043); (2)
ensure the selected Preferred Portfolio balances cost and risk, while including environmental
considerations; (3) give equal and balanced treatment to supply-side resources, demand-side
measures, and transmission resources; and (4) involve the public in the planning process in a
meaningful way. Id. at 5.
YOU ARE FURTHER NOTIFIED that the Company represents that it used the AURORA
model to develop portfolios for the 2023 IRP. Id. at 7-8. The Company states that two notable
trends emerged in the 2023 IRP, the vital nature of added transmission and the substantial
downward trend in portfolio greenhouse gas emissions. Id. at 10.
YOU ARE FURTHER NOTIFIED that the Company represents that it identified several
key resources or potential projects to evaluate in additional detail, and the Company required the
model to build portfolios both with and without each resource or project. Id. at 14. The Company

NOTICE OF APPLICATION
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35974 2
states that these models with and without views include: (1) with and without the B2H project; (2)
with and without different phases of the Gateway West projects; and (3) with and without specific
Valmy Unit 1 and Unit 2 natural gas conversion assumptions. Id.
YOU ARE FURTHER NOTIFIED the Company represents that, based on its analysis, the
Company selected a Preferred Portfolio, identified in the 2023 IRP as “Valmy 1 & 2”, referring to
the portfolio’s conversion of both Valmy units from coal to natural gas. Id. at 14-15. The Company
states that this Preferred Portfolio is the least-cost, least-risk option that incorporates positive
changes toward clean, low-cost resources without compromising system reliability. Id.
YOU ARE FURTHER NOTIFIED that the Company’s Preferred Portfolio adds 3,325
megawatts (“MW”) of solar, 1,800 MW of wind, 1,453 MW of storage (four- and eight-hour
batteries, as well as long-duration 100-hour storage), 360 MW of additional energy efficiency
(“EE”), 340 MW of hydrogen (“H2”), 160 MW of new demand response (“DR”), and 30 MW of
geothermal. Id. at 3.
Additionally, the Preferred Portfolio includes conversions of multiple coal-fired generation
units to natural gas, showing the Company exiting coal entirely in 2030 and adding a net total of
261 MW of natural gas via coal conversions through 2043 (reflecting the addition of 967 MW of
gas conversions and 706 MW of gas conversion exits, netting 261 MW of additional gas
generation). Id.
YOU ARE FURTHER NOTIFIED the Company represents that, in total, the Preferred
Portfolio adds 6,888 MW of incremental resource capacity over the next 20 years and includes the
B2H transmission line beginning in July 2026 and three Gateway West transmission line segments
phased in from 2029 to 2040. Id.
YOU ARE FURTHER NOTIFIED that the 2023 IRP contains the Company’s Near-Term
Action Plan that reflects near-term actionable items of the Preferred Portfolio necessary to
successfully position the Company to provide reliable, economic, and environmentally sound
service to our customers into the future. Id. at 15.
YOU ARE FURTHER NOTIFIED that the Company represents that the 2023 IRP
incorporates prior recommendations it received concerning several issues, and the 2023 IRP
provides additional analysis/discussion of those issues. Id. at 17.
YOU ARE FURTHER NOTIFIED that the Application and supporting documentation
have been filed with the Commission and are available for public inspection during regular

NOTICE OF APPLICATION
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35974 3
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,” and 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 that 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 INTERVENTION DEADLINE
YOU ARE FURTHER NOTIFIED that persons desiring to intervene in this matter to
obtain parties’ rights of participation must file a Petition to Intervene with the Commission
pursuant to this Commission’s Rules of Procedure 71-73, IDAPA 31.01.01.072-073. Persons who
wish to intervene as a party must file a Petition to Intervene no later than 21 days after the
date of service of this Order. Persons desiring to present their views without parties’ rights of
participation do not have to intervene and may present their comments without prior notification
to the Commission or the parties.
YOU ARE FURTHER NOTIFIED that the Commission Secretary shall issue a Notice of
Parties after the deadline for intervention has passed. The Notice of Parties shall assign exhibit
numbers to each party in this proceeding.
YOU ARE FURTHER NOTIFIED that once the Notice of Parties is issued, Commission
Staff (“Staff”) will informally confer with the parties to discuss a schedule to process this case and
other issues as may be raised by the parties.
YOU ARE FURTHER NOTIFIED that the following persons are designated as the
Company’s representatives in this matter:
Lisa D. Nordstrom
Megan Goicoechea Allen
Idaho Power Company
1221 West Idaho Street (83702)
P.O. Box 70
Boise, Idaho 83707
[e-mail]
[e-mail]
[e-mail]

Timothy Tatum
Alison Williams
Idaho Power Company
1221 West Idaho Street (83702)
P.O. Box 70
Boise, Idaho 83707
[e-mail]
[e-mail]

NOTICE OF APPLICATION
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35974 4
ORDER
IT IS HEREBY ORDERED that persons desiring to intervene in this case for the purpose
of obtaining parties’ rights of participation must file a Petition to Intervene with the Commission,
under Rules 71-73, IDAPA 31.01.01.071-073, no later than 21 days after the service date of this
Order.
IT IS FURTHER ORDERED that, after the Secretary issues a Notice of Parties, Staff will
informally confer with the parties to discuss the appropriate scheduling of this case.
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 31st day of
October 2023.

__________________________________________
ERIC ANDERSON, PRESIDENT

__________________________________________
JOHN R. HAMMOND JR., COMMISSIONER

__________________________________________
EDWARD LODGE, COMMISSIONER

ATTEST:

____________________________________
Jan Noriyuki
Commission Secretary

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