20260120Decision Memo.pdf

DECISION MEMORANDUM
TO: COMMISSIONER LODGE
COMMISSIONER HAMMOND
COMMISSIONER HARDIE
COMMISSION SECRETARY
COMMISSION STAFF
LEGAL
FROM: JEFFREY LOLL
DEPUTY ATTORNEY GENERAL
DATE: JANUARY 20, 2026
SUBJECT: IN THE MATTER OF THE APPLICATION OF INTERMOUNTAIN GAS
COMPANY FOR AUTHORITY TO INCREASE ITS RATES AND
CHARGES FOR GAS SERVICE IN THE STATE OF IDAHO; CASE NO.
INT-G-25-02.
On May 30, 2025, Intermountain Gas Company ("Company") applied to the Idaho Public
Utilities Commission ("Commission") requesting authority to increase its rates and charges for
natural gas service in the state of Idaho.
On December 30, 2025, the Commission issued an order approving a settlement that gave
the Company an increased revenue requirement of$13 million and updated rate spread among
customer classes, effective January 1, 2026. Order No. 36889. The Commission directed the
Company to file copies of its proposed tariffs with the January 1, 2026, effective date within 14
days of the issuance of the Order. On January 5,2026,the Company submitted a compliance filing
with new tariffs in response to the Commission's instruction.
STAFF RECOMMENDATION
Staff has reviewed the Company's compliance filing. Staff confirmed the tariffs and
schedules contained therein comply with the terms of the settlement stipulation approved by Order
No. 36889. Staff recommends the Commission approve the tariffs and schedules contained in the
Company's compliance submission, as filed, with an effective date of January 1, 2026.
DECISION MEMORANDUM 1

COMMISSION DECISION
Does the Commission wish to approve the tariffs and schedules contained in the
Company's compliance submission, as filed, with an effective date of January 1, 2026?
Jeffrey R. Loll
Deputy Attorney General
I:\Legal\GAS\INTG2502_GRC\memos\INTG2502_dee5 J l.doex
DECISION MEMORANDUM 2