20240216Quarterly Report - Dec 2023.pdf

February 16, 2024 Ms. Monica Barrios-Sanchez
Commission Secretary Idaho Public Utilities Commission P.O. Box 83720 Boise, ID 83720-0074
RE: Idaho Public Utilities Commission Order No. 35942 (Case No. INT-G-23-04) Dear Ms. Barrios-Sanchez: Pursuant to Idaho Public Utilities Commission Order No. 35942, attached is Intermountain Gas
Company’s Summary of Deferred Gas Cost Balances for the quarter ended December 31, 2023. Should you have any questions regarding the attached, please don’t hesitate to contact me at [phone].
Sincerely, /s/ Jacob Darrington Jacob Darrington
Manager, Regulatory Affairs Intermountain Gas Company Enclosure

RECEIVED
Friday, February 16, 2024 12:26:06 PM
IDAHO PUBLIC
UTILITIES COMMISSION
INTERMOUNTAIN GAS COMPANY
SUMMARY OF DEFERRED GAS COST BALANCES For the Quarter Ending December 31, 2023
Balance on October 1, 2023 Approved for
(Case No. INT-G-23-04)Amortized October 1, 2023 through December 31, 2023 Balance as of December 31, 2023
COMMODITY COSTS (VARIABLE)$27,011,276.72 ($9,091,233.05)$17,920,043.67
TRANSPORTATION RELATED COSTS (FIXED)(21,987,751.71)7,288,939.67 (14,698,812.04)
TOTAL DEFERRED GAS COSTS $5,023,525.01 ($1,802,293.38)$3,221,231.63
Balance on
October 1, 2023 Not Currently Being Amortized Accrued October 1, 2023 through December 31, 2023 Balance as of December 31, 2023
ACCRUED DEFERRED GAS COSTS
COMMODITY COSTS (VARIABLE)$975,037.42 ($3,909,651.01)($2,934,613.59)
TRANSPORTATION RELATED COSTS (FIXED)(2,091,889.34)(14,245,350.95)(16,337,240.29)
TOTAL ACCRUED DEFERRED GAS COSTS ($1,116,851.92)($18,155,001.96)($19,271,853.88)
TOTAL DEFERRAL AMOUNTS $3,906,673.09 ($19,957,295.34)($16,050,622.25)
($50)
($40)
($30)
($20)
($10)
$0
$10
$20
$30
$40
$50
($

m
i
l
l
i
o
n
s
)
Intermountain Gas Company PGA Deferral AccountStatus as of 12/31/23
Previous Gas Year Deferral, Unamortized Balance, (A)Current Year New Deferral Balance, (B)
Total All Deferral Accounts to Date, (C)INT-G-23-04 Deferral Balances
June 30 is the cutoff date for setting the deferral balance to be amortized beginning Oct 1. July through Sep balances are estimated for filing purposes.
(B)
(C) = (A) + (B)
(A)