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Southern Natural Gas Notice 710974

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TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  07/24/2025 2:20:51PM Notice End Date/Time:  07/25/2025 9:00:00am
Post Date/Time:  7/24/2025 2:20:51 PM Notice ID: 710974
Reqrd Rsp:  1 Rsp Date:  07/24/2025
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 07/24/25)

 

 

 

-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 (7/28)

 

Tuesday (7/29)

 

Wednesday (7/30)

 

Thursday (7/31)

 

Friday (8/1)

 

Saturday (8/2)

 

Sunday (8/3)

 

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT) Proj-SNG-15323 (7/22/2025 - 8/15/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville Pool (segment 390)

 

 

1,607

 

1377

(230)

 

1377

(230)

 

1377

(230)

 

 

1,607

 

 

1,607

 

 

1,607

 

 

1,607

Franklinton Gwinville 2nd Loop Line south of Gwinville: Scheduled Pipeline Maintenance Proj-SNG-36213 (7/9/2025 - 7/30/2025)

 

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 - 9/21/2025)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (7/8/2025 - 9/21/2025)

 

Selma (segment 460)

 

 

2,293

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

Selma Compressor Station: Scheduled Unit Maintenance Proj-52451 (5/8/2025 - 8/3/2025)

 

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

 

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

Albany (segment 660)

 

 

77

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

Albany Compressor Station: Unscheduled Unit Maintenance Proj-58172 (7/15/2025 - 8/10/2025)

Albany Compressor Station: Unscheduled Unit Maintenance Proj-58173 (6/13/2025 - 8/3/2025)

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.

 

August 2025 (updated 07/24/25)

 

-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 (8/4 - 8/10)

Week 2 (8/11 - 8/17)

Week 3 (8/18 - 8/24)

Week 4 (8/25 - 8/31)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

 

 

 

 

North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT), Proj-SNG-15323

Onward (segment 30)

 

203

178

(25)

178

(25)

 

203

 

203

(7/22/2025 - 8/15/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

 

 

 

 

 

North Main loop line west of Tarrant: Pipeline Maintenance(remediation), Proj-SNG-38814 (8/11/2025 -

Providence (segment 120)

 

652

 

652

527

(125)

527

(125)

 

652

8/22/2025)

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

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 - 10/31/2025)

Bay Springs (segment 420)

1,675

1595

(80)

1595

(80)

1595

(80)

1595

(80)

 

 

 

 

 

 

 

Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (6/5/2025 - 9/21/2025)

Enterprise (segment 430)

 

2,306

2111

(195)

2111

(195)

2111

(195)

2111

(195)

Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (7/8/2025 - 9/21/2025)

 

 

 

 

 

 

South Main 2nd Loop Line east of Gallion: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/8/2025 -

Gallion (Segment 440)

 

2,300

2195

(105)

2195

(105)

2195

(105)

 

2,300

8/22/2025)

 

 

 

 

 

 

South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/22/2025

Selma (segment 460)

 

2,293

 

2,293

 

2,293

2158

(135)

2158

(135)

- 9/5/2025)

 

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

 

 

 

 

 

 

 

South Main loop AUX line east of Wrens: Scheduled Pipeline Maintenance, Proj-SNG-37905 (8/4/2025

Wrens to Aiken (Segment 570)

 

444

269

(175)

269

(175)

 

444

 

444

8/14/2025)

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

 

 

 

 

 

Albany Compressor Station: Unscheduled Unit Maintenance, Proj-58172 (7/15/2025 - 8/10/2025)

Albany (segment 660)

77

62

(15)

77

77

77

 

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.

 

September 2025 (updated 07/24/25)

 

-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 (9/1 - 9/7)

Week 2 (9/8 - 9/14)

Week 3 (9/15 - 9/21)

Week 4 (9/22 - 9/28)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Louisville East (segment 50)

 

 

520

 

 

520

 

 

520

 

 

520

 

360

(160)

Louisville Compressor Station: Scheduled Unit Maintenance, Proj-4132LS (9/22/2025 - 9/26/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

707

(65)

 

707

(65)

 

 

772

Duck Lake Franklinton line south of White Castle: Scheduled Pipeline Maintenance(remediation), Proj- SNG-20777 (9/8/2025 - 9/21/2025)

 

LA West Leg (segment 350)

 

 

695

 

 

695

 

 

695

 

675

(20)

 

675

(20)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

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

 

 

2111

(195)

 

 

2111

(195)

 

 

2111

(195)

 

 

2111

(195)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (9/22/2025 - 10/19/2025) Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (6/5/2025 - 9/21/2025) Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (7/8/2025 - 9/21/2025)

 

Selma (segment 460)

 

 

2,293

 

2158

(135)

 

 

2,293

 

 

2,293

 

 

2,293

South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/22/2025 - 9/5/2025)

 

Elmore (segment 460)

 

 

2,010

 

 

2,010

 

1850

(160)

 

1735

(275)

 

1735

(275)

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52591 (9/15/2025 - 9/26/2025) Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (9/15/2025 - 9/26/2025) South Main 2nd loop line east of Auburn: Scheduled Pipeline Maintenance(remediation),

Proj-SNG-35931 (9/8/2025 - 9/26/2025)

 

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

 

 

South Georgia (segment 650)

 

 

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 07/24/25)

 

 

-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

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Tarrant (segment 130)

 

 

563

 

513

(50)

 

 

563

 

 

563

 

 

563

 

 

563

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (9/29/2025 - 10/3/2025)

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

LA West Leg (segment 350)

 

 

798

 

540

(258)

 

540

(258)

 

540

(258)

 

540

(258)

 

540

(258)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)

White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG-2933/SNG-3089 (10/1/2025 - 10/31/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Bay Springs (segment 420)

 

 

1,675

 

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)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (9/22/2025 - 10/19/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/20/2025 - 11/9/2025)

 

Gallion (Segment 440)

 

 

2,300

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

 

2,300

 

 

2,300

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

 

Auburn (segment 460)

 

 

1,953

 

1693

(260)

 

1693

(260)

 

1693

(260)

 

1693

(260)

 

1693

(260)

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

 

 

Ellerslie (segment 490)

 

 

1,547

 

 

1192

(355)

 

 

1192

(355)

 

 

1467

(80)

 

 

1467

(80)

 

 

1,547

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)

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

 

South Atlanta (segment 510)

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

Thomaston East

(segment 530)

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

Ocmulgee (segment 530)

 

 

804

 

 

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

 

 

680

 

635

(45)

 

635

(45)

 

 

680

 

 

680

Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/17/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/17/2025)

 

South Georgia (segment 650)

 

 

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.

 

November 2025 (updated 07/24/25)

 

-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,

LA West Leg (segment 350)

 

798

593

(205)

638

(160)

 

798

 

798

Proj-SNG-22856 (11/3/2025 - 11/7/2025)

White Castle Franklinton Loop Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (11/10/2025 - 11/16/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

 

 

 

 

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/20/2025 - 11/9/2025)

Enterprise (segment 430)

2,450

2255

(195)

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.

 

TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  07/24/2025 2:20:51PM Notice End Date/Time:  07/25/2025 9:00:00am
Post Date/Time:  7/24/2025 2:20:51 PM Notice ID: 710974
Reqrd Rsp:  1 Rsp Date:  07/24/2025
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 07/24/25)

 

 

 

-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 (7/28)

 

Tuesday (7/29)

 

Wednesday (7/30)

 

Thursday (7/31)

 

Friday (8/1)

 

Saturday (8/2)

 

Sunday (8/3)

 

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

 

178

(25)

North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT) Proj-SNG-15323 (7/22/2025 - 8/15/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville Pool (segment 390)

 

 

1,607

 

1377

(230)

 

1377

(230)

 

1377

(230)

 

 

1,607

 

 

1,607

 

 

1,607

 

 

1,607

Franklinton Gwinville 2nd Loop Line south of Gwinville: Scheduled Pipeline Maintenance Proj-SNG-36213 (7/9/2025 - 7/30/2025)

 

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 - 9/21/2025)

Enterprise Compressor Station: Unscheduled Unit Maintenance Proj-522211 (7/8/2025 - 9/21/2025)

 

Selma (segment 460)

 

 

2,293

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

 

2128

(165)

Selma Compressor Station: Scheduled Unit Maintenance Proj-52451 (5/8/2025 - 8/3/2025)

 

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

 

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

Albany (segment 660)

 

 

77

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

 

62

(15)

Albany Compressor Station: Unscheduled Unit Maintenance Proj-58172 (7/15/2025 - 8/10/2025)

Albany Compressor Station: Unscheduled Unit Maintenance Proj-58173 (6/13/2025 - 8/3/2025)

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.

 

August 2025 (updated 07/24/25)

 

-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 (8/4 - 8/10)

Week 2 (8/11 - 8/17)

Week 3 (8/18 - 8/24)

Week 4 (8/25 - 8/31)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

 

 

 

 

North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT), Proj-SNG-15323

Onward (segment 30)

 

203

178

(25)

178

(25)

 

203

 

203

(7/22/2025 - 8/15/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

 

 

 

 

 

North Main loop line west of Tarrant: Pipeline Maintenance(remediation), Proj-SNG-38814 (8/11/2025 -

Providence (segment 120)

 

652

 

652

527

(125)

527

(125)

 

652

8/22/2025)

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

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 - 10/31/2025)

Bay Springs (segment 420)

1,675

1595

(80)

1595

(80)

1595

(80)

1595

(80)

 

 

 

 

 

 

 

Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (6/5/2025 - 9/21/2025)

Enterprise (segment 430)

 

2,306

2111

(195)

2111

(195)

2111

(195)

2111

(195)

Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (7/8/2025 - 9/21/2025)

 

 

 

 

 

 

South Main 2nd Loop Line east of Gallion: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/8/2025 -

Gallion (Segment 440)

 

2,300

2195

(105)

2195

(105)

2195

(105)

 

2,300

8/22/2025)

 

 

 

 

 

 

South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/22/2025

Selma (segment 460)

 

2,293

 

2,293

 

2,293

2158

(135)

2158

(135)

- 9/5/2025)

 

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

 

 

 

 

 

 

 

South Main loop AUX line east of Wrens: Scheduled Pipeline Maintenance, Proj-SNG-37905 (8/4/2025

Wrens to Aiken (Segment 570)

 

444

269

(175)

269

(175)

 

444

 

444

8/14/2025)

 

South Georgia (segment 650)

 

 

127

 

 

127

 

 

127

 

 

127

 

 

127

 

 

 

 

 

 

 

Albany Compressor Station: Unscheduled Unit Maintenance, Proj-58172 (7/15/2025 - 8/10/2025)

Albany (segment 660)

77

62

(15)

77

77

77

 

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.

 

September 2025 (updated 07/24/25)

 

-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 (9/1 - 9/7)

Week 2 (9/8 - 9/14)

Week 3 (9/15 - 9/21)

Week 4 (9/22 - 9/28)

 

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Onward (segment 30)

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Louisville East (segment 50)

 

 

520

 

 

520

 

 

520

 

 

520

 

360

(160)

Louisville Compressor Station: Scheduled Unit Maintenance, Proj-4132LS (9/22/2025 - 9/26/2025)

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

707

(65)

 

707

(65)

 

 

772

Duck Lake Franklinton line south of White Castle: Scheduled Pipeline Maintenance(remediation), Proj- SNG-20777 (9/8/2025 - 9/21/2025)

 

LA West Leg (segment 350)

 

 

695

 

 

695

 

 

695

 

675

(20)

 

675

(20)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

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

 

 

2111

(195)

 

 

2111

(195)

 

 

2111

(195)

 

 

2111

(195)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (9/22/2025 - 10/19/2025) Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (6/5/2025 - 9/21/2025) Enterprise Compressor Station: Unscheduled Unit Maintenance, Proj-522211 (7/8/2025 - 9/21/2025)

 

Selma (segment 460)

 

 

2,293

 

2158

(135)

 

 

2,293

 

 

2,293

 

 

2,293

South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/22/2025 - 9/5/2025)

 

Elmore (segment 460)

 

 

2,010

 

 

2,010

 

1850

(160)

 

1735

(275)

 

1735

(275)

Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52591 (9/15/2025 - 9/26/2025) Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (9/15/2025 - 9/26/2025) South Main 2nd loop line east of Auburn: Scheduled Pipeline Maintenance(remediation),

Proj-SNG-35931 (9/8/2025 - 9/26/2025)

 

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

 

 

South Georgia (segment 650)

 

 

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 07/24/25)

 

 

-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

 

 

203

 

 

203

 

 

203

 

 

203

 

 

203

 

 

Duncanville Lateral (segment 90)

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

36

 

 

Tarrant (segment 130)

 

 

563

 

513

(50)

 

 

563

 

 

563

 

 

563

 

 

563

Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (9/29/2025 - 10/3/2025)

 

Dearmanville (segment 150)

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

346

 

 

White Castle (segment 340)

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

772

 

 

LA West Leg (segment 350)

 

 

798

 

540

(258)

 

540

(258)

 

540

(258)

 

540

(258)

 

540

(258)

Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)

White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG-2933/SNG-3089 (10/1/2025 - 10/31/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

Bay Springs (segment 420)

 

 

1,675

 

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)

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (9/22/2025 - 10/19/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/20/2025 - 11/9/2025)

 

Gallion (Segment 440)

 

 

2,300

 

2030

(270)

 

2030

(270)

 

2030

(270)

 

 

2,300

 

 

2,300

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

 

Auburn (segment 460)

 

 

1,953

 

1693

(260)

 

1693

(260)

 

1693

(260)

 

1693

(260)

 

1693

(260)

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

 

 

Ellerslie (segment 490)

 

 

1,547

 

 

1192

(355)

 

 

1192

(355)

 

 

1467

(80)

 

 

1467

(80)

 

 

1,547

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)

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

 

South Atlanta (segment 510)

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

522

 

 

Thomaston East

(segment 530)

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

849

 

 

Ocmulgee (segment 530)

 

 

804

 

 

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

 

 

680

 

635

(45)

 

635

(45)

 

 

680

 

 

680

Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/17/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/17/2025)

 

South Georgia (segment 650)

 

 

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.

 

November 2025 (updated 07/24/25)

 

-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,

LA West Leg (segment 350)

 

798

593

(205)

638

(160)

 

798

 

798

Proj-SNG-22856 (11/3/2025 - 11/7/2025)

White Castle Franklinton Loop Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (11/10/2025 - 11/16/2025)

 

Sesh (segment 380)

 

 

500

 

 

500

 

 

500

 

 

500

 

 

500

 

 

Gwinville (segment 400)

 

 

234

 

 

234

 

 

234

 

 

234

 

 

234

 

 

 

 

 

 

 

Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/20/2025 - 11/9/2025)

Enterprise (segment 430)

2,450

2255

(195)

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.