Transco Pipeline Notice 15491367

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TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

Critical:	Y
Notice Eff Date:	03/21/2025
Notice Eff Time:	08:53:29 CDT
Notice End Date:
Notice End Time:
Notice ID:	15491367
Notice Stat Desc:	Supersede
Notice Type Desc:	Maint
Post Date:	03/21/2025
Post Time:	08:53:29 CDT
Prior Notice:	15381493
Reqrd Rsp Desc:	Immediate response required of an operational nature may be required of impacted shippers
Rsp Date:
Rsp Time:
TSP:	007933021
TSP Name:	TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

Notice Text:

Subject: UPDATE - Mainline E 100E10 ? 105E10 (Job 109195) 2025 Planned Outage and Maintenance Summary

Transco is performing pipeline modification on Mainline E related to Transco’s Southeast Energy Connector Project within the 100E10-105E10 valve segment. Due to delays during construction, the current anticipated return to service date is March 24, 2025.~~The current schedule for this project is March 11, 2025 through March 21, 2025~~

Operating Conditions resulting from this work will require Transco to manage transportation services moving south to north through Station 100. The total quantity available will be contingent on system conditions during the maintenance period but is anticipated to be limited to the quantity indicated below. Transactions moving north to south through this location will not be impacted.

During this period of unplanned maintenance, non-secondary reverse path (NSRP), secondary FT, and interruptible (IT) transactions moving south to north through the location will not be available.

The receipt-based Throughput Section Boundary (TSB) at Compressor Station 100 MP 890.591 will be used to manage capacity availability during this planned work. An updated Market and Production Area constraint notice will include the location and the available quantity during the indicated period.

TSB Name - Location	Location ID	Flow Direction	Design Capacity (Mdt/d)	Total Qty Available (Mdt/d)	% Cuts (Primary)– Potential Shipper Impact (Based on Historical Utilization) *
Station 100 MP 890.591	9012503	South to North	6,147**	5,217	0-10%

*% Cuts (Primary) is an estimate of the impact to shippers based on historical utilization and anticipated volumes during the time of constraint. These amounts are subject to change based on actual nominated volumes and changes in the amount of available capacity.

**As defined on Transco's Informational Postings site under Operational Capacity, any constraint between the Mainline milepost 784.0 and 944.25 involving restriction of Primary volumes will result in the Operating Capacity being reflective of the amount available for both Transco and Sabal Trail. However, the Total Scheduled Quantity represents Transco volumes only. The scheduled volumes of Sabal Trail shippers are reported under Sabal Trail’s Informational Postings Page. The Operationally Available Capacity takes into account both the Transco Scheduled Quantity and the scheduled volumes of Sabal Trail shippers posted by Sabal Trail.

If you have any questions, please contact your Transportation Services Representative.

Transco Pipeline Notice 15491367

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