Southern Natural Gas Notice 711584

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All information here is provided as a service and information is not guaranteed to be accurate. PipeRiv is not responsible for any incorrect information.

TSP/TSP Name: 6900518-SOUTHERN NATURAL GAS CO.	Critical: Y
Notice Type Desc (1): MAINTENANCE	Notice Type Desc (2): MAINTENANCE
Notice Eff Date/Time: 01/15/2026 3:34:00PM	Notice End Date/Time: 01/16/2026 9:00:00am
Post Date/Time: 1/15/2026 3:34:00 PM	Notice ID: 711584
Reqrd Rsp: 1	Rsp Date: 01/15/2026
Notice Stat Desc: INITIATE	Prior Notice:
Subject: Outage Impact Report

Notice Text:

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

Seven Day Forecast (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Monday (1/19)

Tuesday (1/20)

Wednesday (1/21)

Thursday (1/22)

Friday (1/23)

Saturday (1/24)

Sunday (1/25)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

McConnells (segment 110)

642

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation) Proj-SNG-41508 (1/2/2026 - 2/22/2026)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

506

506

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,887

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 3/31/2026)

Enterprise (segment 430)

2,450

2,450

Selma (segment 460)

2,435

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

Selma Compressor Station: Unscheduled Unit Maintenance Proj-52451 (12/22/2025 - 1/25/2026)

Ellerslie (segment 490)

1,663

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

Ellerslie Compressor Station: Unscheduled Unit Outage Proj-52678 (12/7/2025 - 2/15/2026)

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

							-Restrictions to Primary In-Path transportation services may be necessary.
		SNG - Outage Impact Report					-Restrictions to In-Path transportation services may be necessary.
		January 2026 (updated 01/15/26)					-Restrictions to Interruptible and Out of Path transportation services may be necessary.
							-No anticipated impact to transportation services.
Station / Seg	Est Nominal Design Capacity (Thousand Dth)	Week 1 (12/29 - 1/4)	Week 2 (1/5 - 1/11)	Week 3 (1/12 - 1/18)	Week 4 (1/19 - 1/25)	Week 5 (1/26 - 2/1)	Primary Outage(s)
Station / Seg		Est. Operational Capacity (Operational Impact) - Thousand Dth					Primary Outage(s)
Onward (segment 30)	209					209
Duncanville Lateral (segment 90)	36					36
							2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation),
McConnells (segment 110)	642					607 (35)	Proj-SNG-41508 (1/2/2026 - 2/22/2026)
Dearmanville (segment 150)	355					355
White Castle (segment 340)	798					798
Sesh (segment 380)	506					506
Gwinville (segment 400)	234					234
							Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)
Bay Springs (segment 420)	1,887					1647 (240)
Enterprise (segment 430)	2,450					2,450
							Ellerslie Compressor Station: Unscheduled Unit Outage, Proj-52678 (12/7/2025 - 2/15/2026)
Ellerslie (segment 490)	1,663					1513 (150)
South Atlanta (segment 510)	537					537
Thomaston East (segment 530)	900					900
South Georgia (segment 650)	143					143
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

February 2026 (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (2/2 - 2/8)

Week 2 (2/9 - 2/15)

Week 3 (2/16 - 2/22)

Week 4 (2/23 - 3/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation),

McConnells (segment 110)

642

607

(35)

607

(35)

607

(35)

642

Proj-SNG-41508 (1/2/2026 - 2/22/2026)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

500

500

Gwinville (segment 400)

234

234

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)

Bay Springs (segment 420)

1,887

1647

(240)

1647

(240)

1647

(240)

1647

(240)

Enterprise (segment 430)

2,450

2,450

Ellerslie Compressor Station: Unscheduled Unit Outage, Proj-52678 (12/7/2025 - 2/15/2026)

Ellerslie (segment 490)

1,663

1513

(150)

1513

(150)

1,663

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

						-Restrictions to Primary In-Path transportation services may be necessary.
		SNG - Outage Impact Report				-Restrictions to In-Path transportation services may be necessary.
	March 2026 (updated 01/15/26)					-Restrictions to Interruptible and Out of Path transportation services may be necessary.
-No anticipated impact to transportation services.
Station / Seg	Est Nominal Design Capacity (Thousand Dth)	Week 1 (3/2 - 3/8)	Week 2 (3/9 - 3/15)	Week 3 (3/16 - 3/22)	Week 4 (3/23 - 3/29)	Primary Outage(s)
Station / Seg		Est. Operational Capacity (Operational Impact) - Thousand Dth				Primary Outage(s)
Onward (segment 30)	209	209	209	209	209
Duncanville Lateral (segment 90)	36	36	36	36	36
Dearmanville (segment 150)	355	355	355	355	355
White Castle (segment 340)	798	798	798	798	798
Sesh (segment 380)	500	500	500	500	500
Gwinville (segment 400)	234	234	234	234	234
						Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)
Bay Springs (segment 420)	1,887	1647 (240)	1647 (240)	1647 (240)	1647 (240)
						Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 3/31/2026)
Enterprise (segment 430)	2,450	2,450	2,450	2400 (50)	2400 (50)
						York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (3/16/2026 - 3/31/2026)
York (segment 440)	2,449	2,449	2,449	2354 (95)	2354 (95)
						Selma Compressor Station: Scheduled Station Maintenance, Proj-52451-2-3 (3/16/2026 - 3/20/2026)
Selma (segment 460)	2,435	2,435	2,435	2335 (100)	2,435
Ellerslie (segment 490)	1,663	1,663	1,663	1,663	1,663
South Atlanta (segment 510)	537	537	537	537	537
Thomaston East (segment 530)	900	900	900	900	900
South Georgia (segment 650)	143	143	143	143	143
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

April 2026 (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (3/30 - 4/5)

Week 2 (4/6 - 4/12)

Week 3 (4/13 - 4/19)

Week 4 (4/20 - 4/26)

Week 5 (4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203

203

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

346

346

White Castle (segment 340)

750

750

Sesh (segment 380)

500

500

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,677

1437

(240)

1,677

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)

Enterprise (segment 430)

2,306

2236

(70)

2236

(70)

2236

(70)

2236

(70)

2236

(70)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 3/31/2026) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (4/1/2026 - 5/16/2026)

York (segment 440)

2,305

2210

(95)

2215

(90)

2010

(295)

2,305

York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (3/16/2026 - 3/31/2026) York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/1/2026 - 4/12/2026) York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (4/13/2026)

Gallion (Segment 440)

2,300

2,300

1965

(335)

2,300

Gallion Compressor Station: Scheduled Unit Maintenance , Proj-523610 (4/14/2026)

Selma (segment 460)

2,293

2,293

1973

(320)

2,293

Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/15/2026)

Elmore (segment 460)

2,010

2,010

1755

(255)

2,010

Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (4/16/2026)

Auburn (segment 460)

1,953

1,953

1693

(260)

1,953

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/17/2026)

Ellerslie (segment 490)

1,547

1,547

South Atlanta (segment 510)

522

522

Thomaston East (segment 530)

849

849

South Georgia (segment 650)

127

127

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

TSP/TSP Name: 6900518-SOUTHERN NATURAL GAS CO.	Critical: Y
Notice Type Desc (1): MAINTENANCE	Notice Type Desc (2): MAINTENANCE
Notice Eff Date/Time: 01/15/2026 3:34:00PM	Notice End Date/Time: 01/16/2026 9:00:00am
Post Date/Time: 1/15/2026 3:34:00 PM	Notice ID: 711584
Reqrd Rsp: 1	Rsp Date: 01/15/2026
Notice Stat Desc: INITIATE	Prior Notice:
Subject: Outage Impact Report

Notice Text:

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

Seven Day Forecast (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Monday (1/19)

Tuesday (1/20)

Wednesday (1/21)

Thursday (1/22)

Friday (1/23)

Saturday (1/24)

Sunday (1/25)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

McConnells (segment 110)

642

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

607

(35)

2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation) Proj-SNG-41508 (1/2/2026 - 2/22/2026)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

506

506

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,887

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

1647

(240)

Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 3/31/2026)

Enterprise (segment 430)

2,450

2,450

Selma (segment 460)

2,435

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

2335

(100)

Selma Compressor Station: Unscheduled Unit Maintenance Proj-52451 (12/22/2025 - 1/25/2026)

Ellerslie (segment 490)

1,663

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

1513

(150)

Ellerslie Compressor Station: Unscheduled Unit Outage Proj-52678 (12/7/2025 - 2/15/2026)

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

							-Restrictions to Primary In-Path transportation services may be necessary.
		SNG - Outage Impact Report					-Restrictions to In-Path transportation services may be necessary.
		January 2026 (updated 01/15/26)					-Restrictions to Interruptible and Out of Path transportation services may be necessary.
							-No anticipated impact to transportation services.
Station / Seg	Est Nominal Design Capacity (Thousand Dth)	Week 1 (12/29 - 1/4)	Week 2 (1/5 - 1/11)	Week 3 (1/12 - 1/18)	Week 4 (1/19 - 1/25)	Week 5 (1/26 - 2/1)	Primary Outage(s)
Station / Seg		Est. Operational Capacity (Operational Impact) - Thousand Dth					Primary Outage(s)
Onward (segment 30)	209					209
Duncanville Lateral (segment 90)	36					36
							2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation),
McConnells (segment 110)	642					607 (35)	Proj-SNG-41508 (1/2/2026 - 2/22/2026)
Dearmanville (segment 150)	355					355
White Castle (segment 340)	798					798
Sesh (segment 380)	506					506
Gwinville (segment 400)	234					234
							Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)
Bay Springs (segment 420)	1,887					1647 (240)
Enterprise (segment 430)	2,450					2,450
							Ellerslie Compressor Station: Unscheduled Unit Outage, Proj-52678 (12/7/2025 - 2/15/2026)
Ellerslie (segment 490)	1,663					1513 (150)
South Atlanta (segment 510)	537					537
Thomaston East (segment 530)	900					900
South Georgia (segment 650)	143					143
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

February 2026 (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (2/2 - 2/8)

Week 2 (2/9 - 2/15)

Week 3 (2/16 - 2/22)

Week 4 (2/23 - 3/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

2nd North Main line east of McConnells: Unscheduled Pipeline Maintenance(remediation),

McConnells (segment 110)

642

607

(35)

607

(35)

607

(35)

642

Proj-SNG-41508 (1/2/2026 - 2/22/2026)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

500

500

Gwinville (segment 400)

234

234

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)

Bay Springs (segment 420)

1,887

1647

(240)

1647

(240)

1647

(240)

1647

(240)

Enterprise (segment 430)

2,450

2,450

Ellerslie Compressor Station: Unscheduled Unit Outage, Proj-52678 (12/7/2025 - 2/15/2026)

Ellerslie (segment 490)

1,663

1513

(150)

1513

(150)

1,663

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

						-Restrictions to Primary In-Path transportation services may be necessary.
		SNG - Outage Impact Report				-Restrictions to In-Path transportation services may be necessary.
	March 2026 (updated 01/15/26)					-Restrictions to Interruptible and Out of Path transportation services may be necessary.
-No anticipated impact to transportation services.
Station / Seg	Est Nominal Design Capacity (Thousand Dth)	Week 1 (3/2 - 3/8)	Week 2 (3/9 - 3/15)	Week 3 (3/16 - 3/22)	Week 4 (3/23 - 3/29)	Primary Outage(s)
Station / Seg		Est. Operational Capacity (Operational Impact) - Thousand Dth				Primary Outage(s)
Onward (segment 30)	209	209	209	209	209
Duncanville Lateral (segment 90)	36	36	36	36	36
Dearmanville (segment 150)	355	355	355	355	355
White Castle (segment 340)	798	798	798	798	798
Sesh (segment 380)	500	500	500	500	500
Gwinville (segment 400)	234	234	234	234	234
						Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)
Bay Springs (segment 420)	1,887	1647 (240)	1647 (240)	1647 (240)	1647 (240)
						Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 3/31/2026)
Enterprise (segment 430)	2,450	2,450	2,450	2400 (50)	2400 (50)
						York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (3/16/2026 - 3/31/2026)
York (segment 440)	2,449	2,449	2,449	2354 (95)	2354 (95)
						Selma Compressor Station: Scheduled Station Maintenance, Proj-52451-2-3 (3/16/2026 - 3/20/2026)
Selma (segment 460)	2,435	2,435	2,435	2335 (100)	2,435
Ellerslie (segment 490)	1,663	1,663	1,663	1,663	1,663
South Atlanta (segment 510)	537	537	537	537	537
Thomaston East (segment 530)	900	900	900	900	900
South Georgia (segment 650)	143	143	143	143	143
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report. The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Restrictions to Primary In-Path transportation services may be necessary.

SNG - Outage Impact Report

-Restrictions to In-Path transportation services may be necessary.

April 2026 (updated 01/15/26)

-Restrictions to Interruptible and Out of Path transportation services may be necessary.

-No anticipated impact to transportation services.

Station / Seg

Est Nominal Design Capacity (Thousand Dth)

Week 1 (3/30 - 4/5)

Week 2 (4/6 - 4/12)

Week 3 (4/13 - 4/19)

Week 4 (4/20 - 4/26)

Week 5 (4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203

203

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

346

346

White Castle (segment 340)

750

750

Sesh (segment 380)

500

500

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,677

1437

(240)

1,677

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 3/31/2026)

Enterprise (segment 430)

2,306

2236

(70)

2236

(70)

2236

(70)

2236

(70)

2236

(70)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (3/16/2026 - 3/31/2026) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (4/1/2026 - 5/16/2026)

York (segment 440)

2,305

2210

(95)

2215

(90)

2010

(295)

2,305

Gallion (Segment 440)

2,300

2,300

1965

(335)

2,300

Gallion Compressor Station: Scheduled Unit Maintenance , Proj-523610 (4/14/2026)

Selma (segment 460)

2,293

2,293

1973

(320)

2,293

Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/15/2026)

Elmore (segment 460)

2,010

2,010

1755

(255)

2,010

Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (4/16/2026)

Auburn (segment 460)

1,953

1,953

1693

(260)

1,953

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/17/2026)

Ellerslie (segment 490)

1,547

1,547

South Atlanta (segment 510)

522

522

Thomaston East (segment 530)

849

849

South Georgia (segment 650)

127

127

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

Southern Natural Gas Notice 711584

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