SOC Follow-Up Report – System-wide Pack Condition

DURATION OF EVENT

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

Effective: Gas Day August 30, 2026

Imbalance Threshold: 5%

AFFECTED AREA(S)/LOCATION(S)

All shippers system-wide were subject to the requirements of the SOC declaration.

TIMELINE

[August 30, 2026, 7:47 am Mountain Daylight Time (MDT)] EPNG declared a system-wide SOC for a Pack condition effective Gas Day August 30, 2026, with the imbalance threshold set at 5% (Critical Notice No. 629492).

[August 31, 2026, 6:16 am MDT] EPNG lifted the subject system-wide SOC effective Gas Day August 31, 2026 (Critical Notice No. 629500).

APPLICABLE OPERATING CONDITIONS

Sunday, August 30, 2026

-          EPNG system linepack started the Gas Day at 7,968 MMcf, which was an increase of 200 MMcf compared to the previous Gas Day.

-          At 7:47 am MDT, EPNG declared a system-wide SOC for a Pack condition (Notice No. 629492) effective Gas Day August 30, 2026. The linepack Pack was primarily due to deliveries below scheduled volumes and receipts in excess of scheduled quantities.

-          Washington Ranch was on injection, averaging 83 MMcf.

Monday, August 31, 2026 

-          EPNG system linepack started the Gas Day at 7,768 MMcf, which was a decrease of 200 MMcf compared to the previous Gas Day.

-          At 6:16 am MDT, EPNG lifted the system-wide SOC for a Pack condition (Notice No. 629500) effective Gas Day August 31, 2026.  Customer response was sufficient to decrease EPNG's linepack to acceptable levels.  

-          Washington Ranch was idle. 

ACTIONS TAKEN BY EPNG AND SHIPPERS 

The following actions were taken:

1.         EPNG declared a system-wide SOC for a Pack condition on August 30, 2026, at 7:47 am MDT.  The system-wide SOC was in effect for Gas Day August 30, 2026, only.

2.         After EPNG declared the system-wide SOC, customers took corrective actions to align their scheduled supplies with their actual deliveries.