20250613Notice_of_Application_Order_No_36639.pdf

Office of the Secretary
Service Date
June 13,2025
BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF THE APPLICATION ) CASE NO. INT-G-25-02
OF INTERMOUNTAIN GAS COMPANY )
FOR AUTHORITY TO INCREASE ITS ) NOTICE OF APPLICATION
RATES AND CHARGES FOR GAS SERVICE )
IN THE STATE OF IDAHO ) NOTICE OF SUSPENSION OF
PROPOSED EFFECTIVE DATE
NOTICE OF
INTERVENTION DEADLINE
ORDER NO. 36639
On May 30, 2025, Intermountain Gas Company ("Company"), filed an application
("Application") with the Idaho Public Utilities Commission("Commission")requesting authority
to increase its rates and charges for natural gas service in the State of Idaho, effective on or after
June 30,2025.The Company concurrently filed the direct testimony of several company witnesses,
which include numerous exhibits concerning the Company's finances, revenue analysis, analysis
of cost of service, and work papers in support of its proposed changes. The Company's current
base rates and charges were approved in Commission Case No. INT-G-22-07.
The Commission now issues this Notice of Application,Notice of Suspension of Proposed
Effective Date, and Notice of Intervention Deadline setting a deadline for interested persons to
intervene.
NOTICE OF APPLICATION
YOU ARE HEREBY NOTIFIED that the Company requests an increase in its collected
revenues of approximately$26.5 million,which represents a 22.2%increase in marginal revenue,
or an overall revenue increase of 8.6%, and a 7.86%rate of return.Application at 3. The Company
represents that its present rate of return is approximately 4.45%, based on a test year ending
December 31, 2024.Id. The Company states that it seeks additional revenues to recover increased
operating expenses and costs associated with plant additions, as well as revenues necessary to
produce a fair rate of return.Id.
NOTICE OF APPLICATION
NOTICE OF SUSPENSION OF PROPOSED EFFECTIVE DATE
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 36639 1

YOU ARE FURTHER NOTIFIED that if the Application is approved as filed, the
Company represents that the average residential customer's bill would increase by $4.69 per
month, or 11.46%. Kivisto Direct at 16. The Company represents that the average commercial
customer's bill would increase by$9.26 per month, or 5.16%. Id.
YOU ARE FURTHER NOTIFIED that the Company represents that the Application
includes the proposed addition of a property-tax charge to each customer class to reflect recent
legislative changes. Application at 4.
YOU ARE FURTHER NOTIFIED that the Company represents that the Application also
includes certain textual and formatting changes to the Company's tariffs to more clearly identify
the total per-therm charge for each rate schedule. Id.
YOU ARE FURTHER NOTIFIED that the Company represents that it provided notice to
its customers of its Application through news media and by a notice mailed to each customer. Id.
at 5. The Company attached copies of the press release and customer notice to the Application.Id.
at Attachments I and 2.
YOU ARE FURTHER NOTIFIED that the Company requests: (1) a prompt review and
consideration of its Application; (2) a determination that the Company's"existing rates are unjust,
unreasonable and insufficient to provide the Company with a fair rate of return, and that the
changes are just and reasonable";and(3)the proposed changes become effective on June 30,2025.
Id. at 5.
YOU ARE FURTHER NOTIFIED that the Application and supporting testimony has been
filed with the Commission and 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"NATURAL GAS"icon, select"Open Cases," and click on the
case number as shown on the front of this document.
YOU ARE FURTHER NOTIFIED that the Commission has designated this case as a
general rate case. As such, the Company's intrastate revenue requirement, and every component
of it, both rate base and expense, are at issue. The Commission may grant, deny, or modify the
revenue requirement requested and may find a revenue requirement different from that proposed
by any party is just, fair, and reasonable. IDAPA 31.01.01.124.01.
NOTICE OF APPLICATION
NOTICE OF SUSPENSION OF PROPOSED EFFECTIVE DATE
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 36639 2

YOU ARE FURTHER NOTIFIED that the Commission may approve, reject, or modify
existing or proposed relationships between and among rates and charges within, between, or
among customer classes or rate groupings and may approve,reject,or modify existing or proposed
relationships among and between customer classes or rate groupings.Id.
YOU ARE FURTHER NOTIFIED that the Commission may abolish,reduce,or create rate
blocks or categories of rates and charges; abolish, create, or reduce components of rates and
charges;abolish,reduce,or create customer classes or rate groupings;and abolish,reduce,or create
absolute or relative differences among and between existing classes or rate groupings of customers.
Id.
YOU ARE FURTHER NOTIFIED that the tariffs,practices,rules and regulations, service,
instrumentalities, equipment, facilities, classifications, and customer relations of the utility are at
issue, and the Commission may address any of them in its order. Id.
YOU ARE FURTHER NOTIFIED that the Commission has jurisdiction over
Intermountain, its filing, and the issues pertaining to this case pursuant to 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 SUSPENSION OF PROPOSED EFFECTIVE DATE
YOU ARE FURTHER NOTIFIED that the Company filed its Application on May 30,
2025, with a proposed June 30, 2025, effective date. The Commission finds that the Company's
proposed effective date does not provide adequate time for Commission Staff and interested
persons and parties to evaluate the Company's proposal. Pursuant to Idaho Code § 61-622, the
Commission suspends the Company's proposed effective date for thirty (30) days and five (5)
months or until an order is entered accepting, rejecting, or modifying the proposed rate increases.
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
NOTICE OF APPLICATION
NOTICE OF SUSPENSION OF PROPOSED EFFECTIVE DATE
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 36639 3

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 persons are designated as the
Company's representatives in this matter:
Preston N. Carter Lori A. Blattner
Megann E. Meier Director of Regulatory Affairs
Givens Pursley, LLP Intermountain Gas Company
601 W. Bannock Street P.O. Box 7608
Boise, ID 83702 Boise, ID 83707
prestoncarter&givenspursley.com lori.blattnergint-ag s.com
mem(&,givenspursley.com igcre ug latory(&Jnt ag s.com
stephaniew&givenspursley.com
ORDER
IT IS HEREBY ORDERED that the Company's proposed June 30, 2025, effective date is
suspended for thirty (30) days plus five (5) months or until the Commission enters its order
accepting, rejecting, or modifying the proposed rate changes.
IT IS FURTHER 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
NOTICE OF APPLICATION
NOTICE OF SUSPENSION OF PROPOSED EFFECTIVE DATE
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 36639 4

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 13th day of
June 2025.
G
Grry
EDWARD LODGE, trkfVENT
J N R. HAMMOND JR., COMMISSIONER
DAYN HA DIE, COMMISSIONER
ATTEST:
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Commission Secre
I:\Legal\GAS\INTG2502_GRC\orders\INTG2502_Ntc_App_Int_Susp_j I.docx
NOTICE OF APPLICATION
NOTICE OF SUSPENSION OF PROPOSED EFFECTIVE DATE
NOTICE OF INTERVENTION DEADLINE
ORDER NO. 36639 5