Informational Postings :: El Paso Natural Gas Company, L.L.C.

Informational Postings

Notice Detail

TSP/TSP Name: 8001703-EL PASO NATURAL GAS CO. L.L.C.	Critical: N
Notice Type Desc (1): OTHER	Notice Type Desc (2): MISC.
Notice Eff Date/Time: 06/08/2026 8:14:44AM	Notice End Date/Time: 06/09/2026 9:00:00am
Post Date/Time: 6/8/2026 8:14:44 AM	Notice ID: 628617
Reqrd Rsp: 5	Rsp Date:
Notice Stat Desc: SUPERSEDE	Prior Notice: 628387
Subject: SOC Follow-Up – Location Specific Pack

Notice Text:

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 May 17, 2026

Imbalance Threshold: 5%

AFFECTED AREA(S)/LOCATION(S)

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

DAPS PHX (300777)

DTEP S78 (301149)

TIMELINE

[May 17, 2026, 8:23 am Mountain Daylight Time (MDT)] EPNG declared a location-specific SOC for a Pack condition effective Gas Day May 17, 2026, with the imbalance threshold set at 5% (Critical Notice No. 628387).

[May 18, 2026, 6:13 am MDT] EPNG lifted the subject location-specific SOC effective Gas Day May 18, 2026 (Critical Notice No. 628393).

APPLICABLE OPERATING CONDITIONS

Sunday, Gas Day May 17

- EPNG's system linepack started the day at 8,072 MMcf, which was an increase of 55 MMcf compared to the previous Gas Day.

- At 8:23 am MDT, EPNG declared a location-specific SOC for a Pack condition (Notice No. 628387) for the locations listed above effective Gas Day May 17. 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 109 MMcf the prior three Gas Days.

- Washington Ranch was on injection, averaging 87 MMcf.

Monday, Gas Day May 18

- EPNG's system linepack started the day at 8,130 MMcf, which was an increase of 59 MMcf compared to the previous Gas Day.

- At 6:13 am MDT, EPNG lifted the subject location-specific SOC for a Pack condition (Notice No. 628393) effective Gas Day May 18. The locations listed above adjusted their scheduled quantities to align with actual deliveries.

- Washington Ranch was on injection, averaging 88 MMcf.

ACTIONS TAKEN BY EPNG AND SHIPPERS

The following actions were taken:

1. EPNG declared a location-specific SOC for a Pack condition on May 17, 2026, at 8:23 am MDT. The SOC was in effect for Gas Day May 17, 2026, only.

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