SOC Follow-Up Report – Location Specific Pack Condition

DURATION OF EVENT

A location-specific Strained Operating Condition (“SOC”) for a Pack condition was declared by EPNG as follows:

Effective: Gas Day January 25, 2026

Imbalance Threshold: 5%

AFFECTED AREA(S)/LOCATION(S)

The following locations were subject to the requirements of the SOC declaration:

IMSQUITE (398670)

DSWG PHW (301120)

DSWG PHX (301122)

DSWG N78 (301115)

DSWG S78 (301126)

DSUG ELP (301057)

TIMELINE

[January 25, 2026, 6:10 am Mountain Standard Time (MST)] EPNG declared a location-specific SOC for a Pack condition effective Gas Day January 25, 2026, with the imbalance threshold set at 5% (Critical Notice No. 627368).

[January 26, 2026, 6:52 am MST] EPNG lifted the subject location-specific SOC effective Gas Day January 26, 2026 (Critical Notice No. 627378).   

APPLICABLE OPERATING CONDITIONS

Saturday, Gas Day January 25

-        EPNG's system linepack started the day at 8,525 MMcf, which was a decrease of 39 MMcf compared to the previous Gas Day.

-        At 6:10 am MST, EPNG declared a location-specific SOC for a Pack condition (Notice No. 627368) for the locations listed above effective Gas Day January 25.  In its notice, EPNG stated that continued packing of the system by the locations listed above would undermine EPNG's ability to maintain system linepack within acceptable levels and manage system integrity.

-        The locations listed above had packed EPNG's system 351 MMcf the prior three Gas Days.

-        Washington Ranch was on withdrawal, averaging 147 MMcf.

Sunday, Gas Day January 26

-        EPNG's system linepack started the day at 8,202 MMcf, which was a decrease of 323 MMcf compared to the previous Gas Day.

-        At 6:52 am MST, EPNG lifted the subject location-specific SOC for a Pack condition effective Gas Day January 26, 2026.  The locations listed above adjusted their scheduled quantities to align with actual deliveries.

-        Washington Ranch was on withdrawal, averaging 224 MMcf.

ACTIONS TAKEN BY EPNG AND SHIPPERS 

The following actions were taken:

1.                  EPNG declared a location-specific SOC for a Pack condition on January 25, 2026, at 6:10 am MST.  The SOC was in effect for Gas Day January 25, 2026, only.

2.                  After EPNG declared the SOC, the affected customers took corrective action to align their scheduled supplies with their actual deliveries.