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Revised Outage Impact Report

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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:  09/26/2025 12:56:01PM Notice End Date/Time:  09/27/2025 9:00:00am
Post Date/Time:  9/26/2025 12:56:01 PM Notice ID: 711195
Reqrd Rsp:  1 Rsp Date:  09/26/2025
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  Revised 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 09/26/25)

 

 

 

-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 (9/29)

 

Tuesday (9/30)

 

Wednesday (10/1)

 

Thursday (10/2)

 

Friday (10/3)

 

Saturday (10/4)

 

Sunday (10/5)

 

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Tarrant (segment 130

 

 

563

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415214 (9/8/2025 - 10/10/2025)

 

Dearmanville (segment 150)

 

 

346

 

231

(115)

 

231

(115)

 

231

(115)

 

231

(115)

 

231

(115)

 

 

346

 

 

346

Dearmanville Compressor Station: Scheduled Unit Maintenance Proj-41658 (9/22/2025 - 10/3/2025)

 

White Castle (segment 340)

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

LA West Leg (segment 350)

 

 

798

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance Proj-SNG-2993 (9/15/2025 - 10/6/2025)

 

Sesh (segment 380)

 

 

507

 

 

507

 

 

507

 

458

(49)

 

448

(59)

 

448

(59)

 

 

507

 

 

507

SESH: Scheduled Maintenance (M) (10/1/2025) SESH: Scheduled Maintenance (M) (10/2/2025 - 10/3/2025)

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Bay Springs (segment 420)

 

 

1,675

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 10/31/2025)

 

Enterprise (segment 430)

 

 

2,306

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (6/5/2025 - 10/5/2025)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (7/8/2025 - 10/5/2025)

 

Gallion (Segment 440)

 

 

2,300

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

Gallion Compressor Station: Scheduled Unit Maintenance Proj-523610 (9/29/2025 - 10/17/2025)

 

Selma (segment 460)

 

 

2,293

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

South Main Line east of Selma: Scheduled Pipeline Maintenance(remediation) Proj-SNG-21455 (9/29/2025 - 10/7/2025)

 

 

Auburn (segment 460)

 

 

1,953

 

 

1693

(260)

 

 

1693

(260)

 

 

1693

(260)

 

 

1533

(420)

 

 

1533

(420)

 

 

1533

(420)

 

 

1533

(420)

Auburn Compressor Station: Scheduled Unit Maintenance Proj-52593 (9/29/2025 - 10/31/2025)

South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance Proj-SNG-2570p2 (10/2/2025 - 10/12/2025)

South Main loop line/South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance Proj-SNG-2570p1 (9/29/2025 - 10/1/2025)

 

Ellerslie (segment 490)

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

South Atlanta (segment 510)

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

Thomaston East (segment 530)

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

Ocmulgee (segment 530)

 

 

804

 

664

(140)

 

664

(140)

 

714

(90)

 

 

804

 

 

804

 

 

804

 

 

804

Ocmulgee Compressor Station: Scheduled Unit Maintenance Proj-52771 (10/1/2025)

Ocmulgee Compressor Station: Scheduled Unit Maintenance Proj-52776 (9/29/2025 - 9/30/2025)

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

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.


 

 

 

 

 

 

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

 

 

SNG - Outage Impact Report

 

 

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

 

 

October 2025 (updated 09/26/25)

 

 

-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 (9/29 - 10/5)

Week 2 (10/6 - 10/12)

Week 3 (10/13 - 10/19)

Week 4 (10/20 - 10/26)

Week 5 (10/27 - 11/2)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

Onward (segment 30)

 

 

203

 

 

153

(50)

 

153

(50)

 

153

(50)

 

 

203

Onward Compressor Station: Scheduled Unit Maintenance, Proj-411511 (10/6/2025 - 10/26/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

 

36

 

 

36

 

 

36

 

 

36

 

 

 

Tarrant (segment 130)

 

 

563

 

 

293

(270)

 

293

(270)

 

293

(270)

 

293

(270)

2nd North Main Line at Tarrant: Scheduled Pipeline Maintenance(PT), Proj-SNG-30507 (10/6/2025 - 10/28/2025)

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (10/16/2025 - 10/31/2025) Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415214 (9/8/2025 - 10/10/2025)

 

 

Dearmanville (segment 150)

 

 

346

 

 

 

346

 

 

346

 

 

346

 

 

346

 

 

 

White Castle (segment 340)

 

 

750

 

 

 

750

 

 

750

 

 

750

 

 

750

 

 

 

 

LA West Leg (segment 350)

 

 

 

798

 

 

 

 

540

(258)

 

 

 

540

(258)

 

 

 

540

(258)

 

 

 

598

(200)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2993 (9/15/2025 - 10/6/2025)

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (10/29/2025 - 10/31/2025)

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (11/1/2025 - 11/3/2025)

White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG-2993 (10/7/2025 - 10/24/2025)

 

 

Sesh (segment 380)

 

 

507

 

 

 

507

 

 

465

(42)

 

 

445

(62)

 

 

507

SESH: Scheduled Maintenance (M) (10/13/2025) SESH: Scheduled Maintenance (M) (10/14/2025 - 10/15/2025)

SESH: Scheduled Maintenance (M) (10/16/2025) SESH: Scheduled Maintenance (M) (10/20/2025) SESH: Scheduled Maintenance (M) (10/21/2025) SESH: Scheduled Maintenance (M) (10/22/2025)

 

 

Gwinville (segment 400)

 

 

234

 

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

Bay Springs (segment 420)

 

 

1,675

 

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2025)

 

 

Enterprise (segment 430)

 

 

2,306

 

 

 

2,306

 

 

2136

(170)

 

 

2111

(195)

 

 

2111

(195)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (10/20/2025 - 10/31/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (11/1/2025 - 11/16/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522216 (10/13/2025 - 10/17/2025)

 

 

Gallion (Segment 440)

 

 

2,300

 

 

2030

(270)

 

2030

(270)

 

 

2,300

 

 

2,300

Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (9/29/2025 - 10/17/2025)

 

 

Selma (segment 460)

 

 

2,293

 

 

2233

(60)

 

 

2,293

 

 

2,293

 

 

2,293

South Main Line east of Selma: Scheduled Pipeline Maintenance(remediation), Proj-SNG-21455 (9/29/2025 - 10/7/2025)

 

 

Auburn (segment 460)

 

 

1,953

 

 

1533

(420)

 

1673

(280)

 

1673

(280)

 

1693

(260)

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (9/29/2025 - 10/31/2025) South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2570p2 (10/2/2025

10/12/2025)

South Main loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2782 (10/13/2025 - 10/24/2025)

 

 

Ellerslie (segment 490)

 

 

1,547

 

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

 

South Atlanta (segment 510)

 

 

522

 

 

 

522

 

 

522

 

 

522

 

 

522

 

 

 

Thomaston East (segment 530)

 

 

849

 

 

 

849

 

 

849

 

 

849

 

 

849

 

 

 

Ocmulgee (segment 530)

 

 

804

 

 

704

(100)

 

 

804

 

 

804

 

 

804

Ocmulgee Compressor Station: Scheduled Station Maintenance, Proj-5277 (10/7/2025 - 10/8/2025)

 

East/South Wrens (segment 560)

 

 

680

 

 

635

(45)

 

 

680

 

 

680

 

 

680

Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/10/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/10/2025)

 

 

South Georgia (segment 650)

 

 

127

 

 

 

127

 

 

127

 

 

127

 

 

127

 

 

 

Albany (segment 660)

 

 

77

 

 

36

(41)

 

36

(41)

 

36

(41)

 

 

77

Albany Compressor Station: Scheduled Station Maintenance, Proj-58171 (10/20/2025 - 10/26/2025) Albany Compressor Station: Scheduled Station Maintenance, Proj-58172-3 (10/6/2025 - 10/18/2025)

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.

 

November 2025 (updated 09/26/25)

 

-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 (11/3 - 11/9)

Week 2 (11/10 - 11/16)

Week 3 (11/17 - 11/23)

Week 4 (11/24 - 11/30)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

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

 

 

 

 

 

 

 

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856

LA West Leg (segment 350)

 

798

590

(208)

590

(208)

 

798

 

798

(11/1/2025 - 11/3/2025)

White Castle Franklinton Loop Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG- 22856 (11/5/2025 - 11/10/2025)

 

Sesh (segment 380)

 

 

507

 

 

507

 

 

507

 

 

507

 

 

507

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

 

 

 

 

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (11/1/2025 - 11/16/2025)

Enterprise (segment 430)

2,450

2335

(115)

2335

(115)

2,450

2,450

 

 

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.

 

December 2025 (updated 09/26/25)

 

-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 (12/1 - 12/7)

Week 2 (12/8 - 12/14)

Week 3 (12/15 - 12/21)

Week 4 (12/22 - 12/28)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

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

 

 

Enterprise (segment 430)

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

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.

 

 

January 2026 (updated 09/26/25)

 

 

-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)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

209

 

 

209

 

 

209

 

 

209

 

 

209

 

 

209

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

355

 

 

355

 

 

355

 

 

355

 

 

355

 

 

355

 

 

White Castle (segment 340)

 

 

798

 

 

798

 

 

798

 

 

798

 

 

798

 

 

798

 

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Enterprise (segment 430)

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

Ellerslie (segment 490)

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

South Atlanta (segment 510)

 

 

537

 

 

537

 

 

537

 

 

537

 

 

537

 

 

537

 

 

Thomaston East (segment 530)

 

 

900

 

 

900

 

 

900

 

 

900

 

 

900

 

 

900

 

 

South Georgia (segment 650)

 

 

143

 

 

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.

 

TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  09/26/2025 12:56:01PM Notice End Date/Time:  09/27/2025 9:00:00am
Post Date/Time:  9/26/2025 12:56:01 PM Notice ID: 711195
Reqrd Rsp:  1 Rsp Date:  09/26/2025
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  Revised 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 09/26/25)

 

 

 

-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 (9/29)

 

Tuesday (9/30)

 

Wednesday (10/1)

 

Thursday (10/2)

 

Friday (10/3)

 

Saturday (10/4)

 

Sunday (10/5)

 

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Tarrant (segment 130

 

 

563

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

 

513

(50)

Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415214 (9/8/2025 - 10/10/2025)

 

Dearmanville (segment 150)

 

 

346

 

231

(115)

 

231

(115)

 

231

(115)

 

231

(115)

 

231

(115)

 

 

346

 

 

346

Dearmanville Compressor Station: Scheduled Unit Maintenance Proj-41658 (9/22/2025 - 10/3/2025)

 

White Castle (segment 340)

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

750

 

 

LA West Leg (segment 350)

 

 

798

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

 

753

(45)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance Proj-SNG-2993 (9/15/2025 - 10/6/2025)

 

Sesh (segment 380)

 

 

507

 

 

507

 

 

507

 

458

(49)

 

448

(59)

 

448

(59)

 

 

507

 

 

507

SESH: Scheduled Maintenance (M) (10/1/2025) SESH: Scheduled Maintenance (M) (10/2/2025 - 10/3/2025)

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Bay Springs (segment 420)

 

 

1,675

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 10/31/2025)

 

Enterprise (segment 430)

 

 

2,306

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

 

2111

(195)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (6/5/2025 - 10/5/2025)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (7/8/2025 - 10/5/2025)

 

Gallion (Segment 440)

 

 

2,300

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

2030

(270)

Gallion Compressor Station: Scheduled Unit Maintenance Proj-523610 (9/29/2025 - 10/17/2025)

 

Selma (segment 460)

 

 

2,293

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

 

2233

(60)

South Main Line east of Selma: Scheduled Pipeline Maintenance(remediation) Proj-SNG-21455 (9/29/2025 - 10/7/2025)

 

 

Auburn (segment 460)

 

 

1,953

 

 

1693

(260)

 

 

1693

(260)

 

 

1693

(260)

 

 

1533

(420)

 

 

1533

(420)

 

 

1533

(420)

 

 

1533

(420)

Auburn Compressor Station: Scheduled Unit Maintenance Proj-52593 (9/29/2025 - 10/31/2025)

South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance Proj-SNG-2570p2 (10/2/2025 - 10/12/2025)

South Main loop line/South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance Proj-SNG-2570p1 (9/29/2025 - 10/1/2025)

 

Ellerslie (segment 490)

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

South Atlanta (segment 510)

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

Thomaston East (segment 530)

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

Ocmulgee (segment 530)

 

 

804

 

664

(140)

 

664

(140)

 

714

(90)

 

 

804

 

 

804

 

 

804

 

 

804

Ocmulgee Compressor Station: Scheduled Unit Maintenance Proj-52771 (10/1/2025)

Ocmulgee Compressor Station: Scheduled Unit Maintenance Proj-52776 (9/29/2025 - 9/30/2025)

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

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.


 

 

 

 

 

 

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

 

 

SNG - Outage Impact Report

 

 

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

 

 

October 2025 (updated 09/26/25)

 

 

-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 (9/29 - 10/5)

Week 2 (10/6 - 10/12)

Week 3 (10/13 - 10/19)

Week 4 (10/20 - 10/26)

Week 5 (10/27 - 11/2)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

Onward (segment 30)

 

 

203

 

 

153

(50)

 

153

(50)

 

153

(50)

 

 

203

Onward Compressor Station: Scheduled Unit Maintenance, Proj-411511 (10/6/2025 - 10/26/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

 

36

 

 

36

 

 

36

 

 

36

 

 

 

Tarrant (segment 130)

 

 

563

 

 

293

(270)

 

293

(270)

 

293

(270)

 

293

(270)

2nd North Main Line at Tarrant: Scheduled Pipeline Maintenance(PT), Proj-SNG-30507 (10/6/2025 - 10/28/2025)

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (10/16/2025 - 10/31/2025) Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415214 (9/8/2025 - 10/10/2025)

 

 

Dearmanville (segment 150)

 

 

346

 

 

 

346

 

 

346

 

 

346

 

 

346

 

 

 

White Castle (segment 340)

 

 

750

 

 

 

750

 

 

750

 

 

750

 

 

750

 

 

 

 

LA West Leg (segment 350)

 

 

 

798

 

 

 

 

540

(258)

 

 

 

540

(258)

 

 

 

540

(258)

 

 

 

598

(200)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2993 (9/15/2025 - 10/6/2025)

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (10/29/2025 - 10/31/2025)

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (11/1/2025 - 11/3/2025)

White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG-2993 (10/7/2025 - 10/24/2025)

 

 

Sesh (segment 380)

 

 

507

 

 

 

507

 

 

465

(42)

 

 

445

(62)

 

 

507

SESH: Scheduled Maintenance (M) (10/13/2025) SESH: Scheduled Maintenance (M) (10/14/2025 - 10/15/2025)

SESH: Scheduled Maintenance (M) (10/16/2025) SESH: Scheduled Maintenance (M) (10/20/2025) SESH: Scheduled Maintenance (M) (10/21/2025) SESH: Scheduled Maintenance (M) (10/22/2025)

 

 

Gwinville (segment 400)

 

 

234

 

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

Bay Springs (segment 420)

 

 

1,675

 

 

1595

(80)

 

1595

(80)

 

1595

(80)

 

1595

(80)

Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2025)

 

 

Enterprise (segment 430)

 

 

2,306

 

 

 

2,306

 

 

2136

(170)

 

 

2111

(195)

 

 

2111

(195)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (10/20/2025 - 10/31/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (11/1/2025 - 11/16/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522216 (10/13/2025 - 10/17/2025)

 

 

Gallion (Segment 440)

 

 

2,300

 

 

2030

(270)

 

2030

(270)

 

 

2,300

 

 

2,300

Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (9/29/2025 - 10/17/2025)

 

 

Selma (segment 460)

 

 

2,293

 

 

2233

(60)

 

 

2,293

 

 

2,293

 

 

2,293

South Main Line east of Selma: Scheduled Pipeline Maintenance(remediation), Proj-SNG-21455 (9/29/2025 - 10/7/2025)

 

 

Auburn (segment 460)

 

 

1,953

 

 

1533

(420)

 

1673

(280)

 

1673

(280)

 

1693

(260)

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (9/29/2025 - 10/31/2025) South Main 2nd loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2570p2 (10/2/2025

10/12/2025)

South Main loop line east of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-2782 (10/13/2025 - 10/24/2025)

 

 

Ellerslie (segment 490)

 

 

1,547

 

 

 

1,547

 

 

1,547

 

 

1,547

 

 

1,547

 

 

 

South Atlanta (segment 510)

 

 

522

 

 

 

522

 

 

522

 

 

522

 

 

522

 

 

 

Thomaston East (segment 530)

 

 

849

 

 

 

849

 

 

849

 

 

849

 

 

849

 

 

 

Ocmulgee (segment 530)

 

 

804

 

 

704

(100)

 

 

804

 

 

804

 

 

804

Ocmulgee Compressor Station: Scheduled Station Maintenance, Proj-5277 (10/7/2025 - 10/8/2025)

 

East/South Wrens (segment 560)

 

 

680

 

 

635

(45)

 

 

680

 

 

680

 

 

680

Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/10/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/10/2025)

 

 

South Georgia (segment 650)

 

 

127

 

 

 

127

 

 

127

 

 

127

 

 

127

 

 

 

Albany (segment 660)

 

 

77

 

 

36

(41)

 

36

(41)

 

36

(41)

 

 

77

Albany Compressor Station: Scheduled Station Maintenance, Proj-58171 (10/20/2025 - 10/26/2025) Albany Compressor Station: Scheduled Station Maintenance, Proj-58172-3 (10/6/2025 - 10/18/2025)

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.

 

November 2025 (updated 09/26/25)

 

-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 (11/3 - 11/9)

Week 2 (11/10 - 11/16)

Week 3 (11/17 - 11/23)

Week 4 (11/24 - 11/30)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

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

 

 

 

 

 

 

 

Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856

LA West Leg (segment 350)

 

798

590

(208)

590

(208)

 

798

 

798

(11/1/2025 - 11/3/2025)

White Castle Franklinton Loop Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG- 22856 (11/5/2025 - 11/10/2025)

 

Sesh (segment 380)

 

 

507

 

 

507

 

 

507

 

 

507

 

 

507

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

 

 

 

 

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (11/1/2025 - 11/16/2025)

Enterprise (segment 430)

2,450

2335

(115)

2335

(115)

2,450

2,450

 

 

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.

 

December 2025 (updated 09/26/25)

 

-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 (12/1 - 12/7)

Week 2 (12/8 - 12/14)

Week 3 (12/15 - 12/21)

Week 4 (12/22 - 12/28)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

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

 

 

Enterprise (segment 430)

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

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.

 

 

January 2026 (updated 09/26/25)

 

 

-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)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

209

 

 

209

 

 

209

 

 

209

 

 

209

 

 

209

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

355

 

 

355

 

 

355

 

 

355

 

 

355

 

 

355

 

 

White Castle (segment 340)

 

 

798

 

 

798

 

 

798

 

 

798

 

 

798

 

 

798

 

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Enterprise (segment 430)

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

2,450

 

 

Ellerslie (segment 490)

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

1,663

 

 

South Atlanta (segment 510)

 

 

537

 

 

537

 

 

537

 

 

537

 

 

537

 

 

537

 

 

Thomaston East (segment 530)

 

 

900

 

 

900

 

 

900

 

 

900

 

 

900

 

 

900

 

 

South Georgia (segment 650)

 

 

143

 

 

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.