20230424Notice_of_Filing_Order_No_35751.pdf

NOTICE OF FILING
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35751 1

Office of the Secretary
Service Date
April 24, 2023
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

On March 31, 2023, Rocky Mountain Power, a division of PacifiCorp (“Company”), filed
an application (“Application”) with the Idaho Public Utilities Commission (“Commission”)
requesting acknowledgment of the Company’s 2023 Integrated Resource Plan (“2023 IRP”).
The Company represents that it submits the 2023 IRP filing in compliance with Order No.
22299, Case No. U-1500-165, dated January 1989; whereby the Commission ordered biennial
filings of the electric integrated resource plan. The Company states that this plan is also submitted
to the Commission as the Resource Management Report on the Company’s resource planning
status.
The Company represents that the 2023 IRP contains information outlining how the
Company has addressed the Commission’s integrated resource planning requirements, and the
Company requests that the Commission acknowledge the 2023 IRP in accordance with the
Commission’s rules, and fully support the 2023 IRP conclusions, including the proposed action
plan.
NOTICE OF IRP FILING
YOU ARE HEREBY NOTIFIED that the Company files an Integrated Resource Plan on
a biennial basis with the state utility commissions of Utah, Oregon, Washington, Wyoming, Idaho,
and California. The Company represents that the 2023 IRP fulfills the Company’s commitment to
develop a long-term resource plan that considers cost, risk, uncertainty, and the long-run public
interest. 2023 IRP Vol. 1 at 35.
YOU ARE FURTHER NOTIFIED that the Company represents that the 2023 IRP was
developed through a collaborative public input process with involvement from regulatory staff,
advocacy groups, and other interested parties. Id.
IN THE MATTER OF PACIFICORP’S
APPLICATION FOR
ACKNOWLEDGEMENT OF THE 2023
INTEGRATED RESOURCE PLAN
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CASE NO. PAC-E-23-10

NOTICE OF FILING

NOTICE OF INTERVENTION
DEADLINE

ORDER NO. 35751

NOTICE OF FILING
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35751 2

YOU ARE FURTHER NOTIFIED that the Company represents that its selection of the
2023 IRP preferred portfolio is supported by comprehensive data analysis and an extensive public-
input process, and includes substantial new renewables, facilitated by incremental transmission
investments, demand-side management (DSM) resources, significant storage resources, advanced
nuclear, and non-emitting peaking resources. Id.
YOU ARE FURTHER NOTIFIED that the Company represents that the 2023 IRP
preferred portfolio includes new resources from the 2020 All-Source Request for Proposals
(“RFP”) including 1,792 MW of wind and 495 MW of solar additions with 200 MW of battery
storage capacity. Id. The Company states that these resources will come online in the 2024-to-
2025 timeframe, and that the preferred portfolio also includes the acquisition and repowering of
Rock River I (50 MW) and Foote Creek II-IV (43 MW) wind projects located in Wyoming. Id.
The Company also represents that through the end of 2026, the 2021 IRP preferred portfolio
includes an additional 745 MW of wind and an additional 600 MW solar co-located with storage,
for which the 2022 All-Source RFP is currently soliciting and evaluating resources to fulfill. Id.
YOU ARE FURTHER NOTIFIED that the Company represents that the 2023 IRP
preferred portfolio includes the 500 MW advanced nuclear Natrium demonstration project,
anticipated to achieve online status by summer 2030, 1,000 MW of additional advanced nuclear
resources through 2033, and 1,240 MW of non-emitting peaking resources through 2037. Id.
Additionally, the Company states that over the 20-year planning horizon, the 2023 IRP preferred
portfolio includes 9,114 MW of new wind and 7,855 MW of new solar. Id.
YOU ARE FURTHER NOTIFIED that the Company represents that the preferred portfolio
includes the construction of a 416-mile 500-kilovolt (kV) transmission line known as Gateway
South connecting southeastern Wyoming and northern Utah, the 59-mile 230 kV transmission line
in eastern Wyoming known as Gateway West Segment D.1, and the 500 kV, 290-mile transmission
line across eastern Oregon and southwestern Idaho known as Boardman to Hemingway (B2H). Id.
YOU ARE FURTHER NOTIFIED that the 2023 IRP filing is available for public
inspection during regular business hours at the Commission’s office. These documents are also
available on the Commission’s web site 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.

NOTICE OF FILING
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35751 3

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.
YOU ARE FURTHER NOTIFIED 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 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 people are designated as the
Company’s representatives in this matter:
Mark Alder
Joseph Dallas
Rocky Mountain Power
1407 West North Temple, Suite 330
Salt Lake City, Utah 84116
[e-mail]
[e-mail]
Data Request Response Center
PacifiCorp
825 NE Multnomah, Suite 2000
Portland, OR 97232
[e-mail]
[e-mail]

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.

NOTICE OF FILING
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 35751 4

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 24th day of
April 2023.

__________________________________________
ERIC ANDERSON, PRESIDENT

__________________________________________
JOHN R. HAMMOND JR., COMMISSIONER

_________________________________________
EDWARD LODGE, COMMISSIONER

ATTEST:

Jan Noriyuki
Commission Secretary

I:\Legal\ELECTRIC\PAC-E-23-10 IRP\orders\PACE2310_Ntc_IRP_ Int_cb.docx