Southern Natural Gas Notice 709970

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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: 10/24/2024 4:03:27PM	Notice End Date/Time: 10/25/2024 9:00:00am
Post Date/Time: 10/24/2024 4:03:27 PM	Notice ID: 709970
Reqrd Rsp: 1	Rsp Date: 10/24/2024
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 10/24/24)

-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 (10/28)

Tuesday (10/29)

Wednesday (10/30)

Thursday (10/31)

Friday (11/1)

Saturday (11/2)

Sunday (11/3)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203 / 209

203

209

Duncanville Lateral (segment 90)

Bessemer Calera (segment 120)

(17)

Bessemer Calera line east of Providence: Pipeline maintenance (10/30/2024 - 10/31/2024) Bessemer Calera loop line east of Providence: Pipeline maintenance (10/28/2024 - 10/29/2024)

Dearmanville (segment 150)

346 / 355

346

355

White Castle (segment 340)

772 / 798

772

798

LA West Leg (segment 350)

735 / 798

535

(200)

535

(200)

535

(200)

535

(200)

598

(200)

598

(200)

598

(200)

White Castle Franklinton loop line north of White Castle: Pipeline maintenance-SNG2861 (10/12/2024 - 11/10/2024)

Gwinville South (segment 370)

1,123 /

1,222

843

(280)

943

(180)

943

(180)

943

(180)

933

(289)

933

(289)

933

(289)

Franklinton Gwinville loop line at Pearl River: Pipeline maintenance (11/1/2024 - 11/8/2024) Pearl River compressor station: Compressor station outage (10/14/2024 - 10/28/2024)

Pearl River compressor station-Franklinton Gwinville line outage: Pipeline maintenance (10/11/2024

- 11/1/2024)

Sesh (segment 380)

506

460

(46)

460

(46)

460

(46)

487

(19)

500

Sesh outage: Maintenance (M) (10/28/2024 - 10/30/2024) Sesh outage: Maintenance (M) (10/31/2024)

Gwinville (segment 400)

234

150

(84)

150

(84)

150

(84)

234

2ndNML east of Pickens: Pipeline maintenance-SNG-2328 (10/22/2024 - 10/30/2024)

Bay Springs (segment 420)

1,675 /

1,819

1245

(430)

1595

(80)

1595

(80)

1595

(80)

1719

(100)

1719

(100)

1719

(100)

South main 2nd loop line west of Enterprise compressor station: Pipeline maintenance (10/21/2024 - 10/28/2024)

South main line west of Enterprise compressor station: Pipeline maintenance (10/29/2024 - 11/5/2024)

Enterprise (segment 430)

2,306 /

2,450

2246

(60)

2246

(60)

2246

(60)

2246

(60)

2,450

Enterprise Compressor Station: Unit Maintenance Proj-522212 (10/21/2024 - 10/31/2024)

Gallion (Segment 440)

2,300 /

2,457

2,300

2035

(265)

2192

(265)

2,457

Gallion compressor station: Unit maintenance Proj-523610 (10/31/2024 - 11/1/2024)

Selma (segment 460)

2,293 /

2,435

2028

(265)

2028

(265)

2028

(265)

2,293

2,435

Selma Compressor station: Unit maintenance (10/1/2024 - 10/30/2024)

Auburn (segment 460)

1,953 /

2,095

1888

(65)

1888

(65)

1888

(65)

1888

(65)

1975

(120)

1975

(120)

1975

(120)

Auburn Compressor Station: Unscheduled unit maintenance Proj-52591 (10/10/2024 - 10/31/2024)

Auburn Compressor Station: Unscheduled unit maintenance Proj-52591 (11/1/2024 - 11/15/2024)

Ellerslie (segment 490)

1,547 /

1,663

1,547

1,663

Thomaston West (segment 490)

1,535 /

1,650

1380

(155)

1380

(155)

1380

(155)

1380

(155)

1415

(235)

1415

(235)

1415

(235)

Thomaston Compressor Station: Unscheduled unit maintenance Proj-52722 (10/21/2024 - 10/31/2024)

Thomaston Compressor Station: Unscheduled unit maintenance Proj-52722 (11/1/2024 - 11/17/2024)

Thomaston compressor station: Unscheduled unit outage

South Atlanta (segment 510)

522 / 537

522

537

Thomaston East (segment 530)

849 / 900

849

900

Hall Gate (segment 560)

705 / 700

675

(30)

675

(30)

675

(30)

675

(30)

670

(30)

670

(30)

670

(30)

Hall Gate Compressor Station: Unit Maintenance Proj-52833 (10/7/2024 - 11/3/2024)

South Georgia (segment 650)

127 / 143

127

143

Holy Trinity (segment 655)

127 / 143

110

(17)

110

(17)

110

(17)

110

(17)

110

(33)

110

(33)

110

(33)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (10/15/2024 - 10/31/2024)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 12/14/2024)

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 2024 (updated 10/24/24)

-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 (11/4 - 11/10)

Week 2 (11/11 - 11/17)

Week 3 (11/18 - 11/24)

Week 4 (11/25 - 12/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

LA West Leg (segment 350)

798

598

(200)

798

White Castle Franklinton loop line north of White Castle: Pipeline maintenance-SNG2861 (10/12/2024 - 11/10/2024)

GWINVILLE SOUTH

(segment 370)

1,222

923

(299)

923

(299)

1,222

Franklinton Gwinville 2nd loop line at Pearl River: Pipeline maintenance (11/8/2024 - 11/15/2024) Franklinton Gwinville loop line at Pearl River: Pipeline maintenance (11/1/2024 - 11/8/2024)

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,819

1719

(100)

1,819

South main line west of Enterprise compressor station: Pipeline maintenance (10/29/2024 - 11/5/2024)

Enterprise (segment 430)

2,450

2205

(245)

2410

(40)

2,450

Enterprise Compressor Station: Unit maintenance (11/4/2024 - 11/7/2024) Enterprise Compressor Station: Unit Maintenance, Proj-522211 (11/11/2024 - 11/17/2024)

Gallion (Segment 440)

2,457

2167

(290)

2167

(290)

2167

(290)

2,457

Gallion compressor station: Station maintenance (11/18/2024)

Gallion Compressor Station: Unit maintenance, Proj-523610 (11/4/2024 - 11/15/2024)

Elmore (segment 460)

2,155

2,155

1910

(245)

2,155

Elmore compressor station: Station maintenance (11/19/2024)

Auburn (segment 460)

2,095

1975

(120)

1975

(120)

2,095

Auburn Compressor Station: Unscheduled unit maintenance, Proj-52591 (11/1/2024 - 11/15/2024)

Ellerslie (segment 490)

1,663

1,663

Thomaston West (segment 490)

1,650

1605

(45)

1605

(45)

1,650

Thomaston Compressor Station: Unscheduled unit maintenance, Proj-52722 (11/1/2024 - 11/17/2024)

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

East/South Wrens (segment 560)

724

599

(125)

599

(125)

599

(125)

724

Wrens Compressor Station: Unit maintenance, Proj-52885 (11/4/2024 - 11/18/2024)

South Georgia (segment 650)

143

143

Holy Trinity (segment 655)

143

110

(33)

110

(33)

110

(33)

110

(33)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 - 12/14/2024)

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 2024 (updated 10/24/24)

-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 (12/2 - 12/8)

Week 2 (12/9 - 12/15)

Week 3 (12/16 - 12/22)

Week 4 (12/23 - 12/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

Main Pass Franklinton 2nd loop line south of Franklinton: Pipeline maintenance (12/2/2024 -

LA East Leg (Segment 330)

1,010

445

(565)

445

(565)

445

(565)

1,010

12/11/2024)

Main Pass Franklinton loop line south of Franklinton: Pipeline maintenance (12/16/2024 - 12/20/2024)

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

1,663

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 -

Holy Trinity (segment 655)

143

110

(33)

110

(33)

143

12/14/2024)

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 2025 (updated 10/24/24)

-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 (12/30 - 1/5)

Week 2 (1/6 - 1/12)

Week 3 (1/13 - 1/19)

Week 4 (1/20 - 1/26)

Week 5 (1/27 - 2/2)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

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.

February 2025 (updated 10/24/24)

-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 (2/3 - 2/9)

Week 2 (2/10 - 2/16)

Week 3 (2/17 - 2/23)

Week 4 (2/24 - 3/2)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

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.

TSP/TSP Name: 6900518-SOUTHERN NATURAL GAS CO.	Critical: Y
Notice Type Desc (1): MAINTENANCE	Notice Type Desc (2): MAINTENANCE
Notice Eff Date/Time: 10/24/2024 4:03:27PM	Notice End Date/Time: 10/25/2024 9:00:00am
Post Date/Time: 10/24/2024 4:03:27 PM	Notice ID: 709970
Reqrd Rsp: 1	Rsp Date: 10/24/2024
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 10/24/24)

-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 (10/28)

Tuesday (10/29)

Wednesday (10/30)

Thursday (10/31)

Friday (11/1)

Saturday (11/2)

Sunday (11/3)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

203 / 209

203

209

Duncanville Lateral (segment 90)

Bessemer Calera (segment 120)

(17)

Bessemer Calera line east of Providence: Pipeline maintenance (10/30/2024 - 10/31/2024) Bessemer Calera loop line east of Providence: Pipeline maintenance (10/28/2024 - 10/29/2024)

Dearmanville (segment 150)

346 / 355

346

355

White Castle (segment 340)

772 / 798

772

798

LA West Leg (segment 350)

735 / 798

535

(200)

535

(200)

535

(200)

535

(200)

598

(200)

598

(200)

598

(200)

White Castle Franklinton loop line north of White Castle: Pipeline maintenance-SNG2861 (10/12/2024 - 11/10/2024)

Gwinville South (segment 370)

1,123 /

1,222

843

(280)

943

(180)

943

(180)

943

(180)

933

(289)

933

(289)

933

(289)

Franklinton Gwinville loop line at Pearl River: Pipeline maintenance (11/1/2024 - 11/8/2024) Pearl River compressor station: Compressor station outage (10/14/2024 - 10/28/2024)

Pearl River compressor station-Franklinton Gwinville line outage: Pipeline maintenance (10/11/2024

- 11/1/2024)

Sesh (segment 380)

506

460

(46)

460

(46)

460

(46)

487

(19)

500

Sesh outage: Maintenance (M) (10/28/2024 - 10/30/2024) Sesh outage: Maintenance (M) (10/31/2024)

Gwinville (segment 400)

234

150

(84)

150

(84)

150

(84)

234

2ndNML east of Pickens: Pipeline maintenance-SNG-2328 (10/22/2024 - 10/30/2024)

Bay Springs (segment 420)

1,675 /

1,819

1245

(430)

1595

(80)

1595

(80)

1595

(80)

1719

(100)

1719

(100)

1719

(100)

South main 2nd loop line west of Enterprise compressor station: Pipeline maintenance (10/21/2024 - 10/28/2024)

South main line west of Enterprise compressor station: Pipeline maintenance (10/29/2024 - 11/5/2024)

Enterprise (segment 430)

2,306 /

2,450

2246

(60)

2246

(60)

2246

(60)

2246

(60)

2,450

Enterprise Compressor Station: Unit Maintenance Proj-522212 (10/21/2024 - 10/31/2024)

Gallion (Segment 440)

2,300 /

2,457

2,300

2035

(265)

2192

(265)

2,457

Gallion compressor station: Unit maintenance Proj-523610 (10/31/2024 - 11/1/2024)

Selma (segment 460)

2,293 /

2,435

2028

(265)

2028

(265)

2028

(265)

2,293

2,435

Selma Compressor station: Unit maintenance (10/1/2024 - 10/30/2024)

Auburn (segment 460)

1,953 /

2,095

1888

(65)

1888

(65)

1888

(65)

1888

(65)

1975

(120)

1975

(120)

1975

(120)

Auburn Compressor Station: Unscheduled unit maintenance Proj-52591 (10/10/2024 - 10/31/2024)

Auburn Compressor Station: Unscheduled unit maintenance Proj-52591 (11/1/2024 - 11/15/2024)

Ellerslie (segment 490)

1,547 /

1,663

1,547

1,663

Thomaston West (segment 490)

1,535 /

1,650

1380

(155)

1380

(155)

1380

(155)

1380

(155)

1415

(235)

1415

(235)

1415

(235)

Thomaston Compressor Station: Unscheduled unit maintenance Proj-52722 (10/21/2024 - 10/31/2024)

Thomaston Compressor Station: Unscheduled unit maintenance Proj-52722 (11/1/2024 - 11/17/2024)

Thomaston compressor station: Unscheduled unit outage

South Atlanta (segment 510)

522 / 537

522

537

Thomaston East (segment 530)

849 / 900

849

900

Hall Gate (segment 560)

705 / 700

675

(30)

675

(30)

675

(30)

675

(30)

670

(30)

670

(30)

670

(30)

Hall Gate Compressor Station: Unit Maintenance Proj-52833 (10/7/2024 - 11/3/2024)

South Georgia (segment 650)

127 / 143

127

143

Holy Trinity (segment 655)

127 / 143

110

(17)

110

(17)

110

(17)

110

(17)

110

(33)

110

(33)

110

(33)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (10/15/2024 - 10/31/2024)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 12/14/2024)

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 2024 (updated 10/24/24)

-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 (11/4 - 11/10)

Week 2 (11/11 - 11/17)

Week 3 (11/18 - 11/24)

Week 4 (11/25 - 12/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

LA West Leg (segment 350)

798

598

(200)

798

White Castle Franklinton loop line north of White Castle: Pipeline maintenance-SNG2861 (10/12/2024 - 11/10/2024)

GWINVILLE SOUTH

(segment 370)

1,222

923

(299)

923

(299)

1,222

Franklinton Gwinville 2nd loop line at Pearl River: Pipeline maintenance (11/8/2024 - 11/15/2024) Franklinton Gwinville loop line at Pearl River: Pipeline maintenance (11/1/2024 - 11/8/2024)

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Bay Springs (segment 420)

1,819

1719

(100)

1,819

South main line west of Enterprise compressor station: Pipeline maintenance (10/29/2024 - 11/5/2024)

Enterprise (segment 430)

2,450

2205

(245)

2410

(40)

2,450

Enterprise Compressor Station: Unit maintenance (11/4/2024 - 11/7/2024) Enterprise Compressor Station: Unit Maintenance, Proj-522211 (11/11/2024 - 11/17/2024)

Gallion (Segment 440)

2,457

2167

(290)

2167

(290)

2167

(290)

2,457

Gallion compressor station: Station maintenance (11/18/2024)

Gallion Compressor Station: Unit maintenance, Proj-523610 (11/4/2024 - 11/15/2024)

Elmore (segment 460)

2,155

2,155

1910

(245)

2,155

Elmore compressor station: Station maintenance (11/19/2024)

Auburn (segment 460)

2,095

1975

(120)

1975

(120)

2,095

Auburn Compressor Station: Unscheduled unit maintenance, Proj-52591 (11/1/2024 - 11/15/2024)

Ellerslie (segment 490)

1,663

1,663

Thomaston West (segment 490)

1,650

1605

(45)

1605

(45)

1,650

Thomaston Compressor Station: Unscheduled unit maintenance, Proj-52722 (11/1/2024 - 11/17/2024)

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

East/South Wrens (segment 560)

724

599

(125)

599

(125)

599

(125)

724

Wrens Compressor Station: Unit maintenance, Proj-52885 (11/4/2024 - 11/18/2024)

South Georgia (segment 650)

143

143

Holy Trinity (segment 655)

143

110

(33)

110

(33)

110

(33)

110

(33)

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 - 12/14/2024)

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 2024 (updated 10/24/24)

-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 (12/2 - 12/8)

Week 2 (12/9 - 12/15)

Week 3 (12/16 - 12/22)

Week 4 (12/23 - 12/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

Main Pass Franklinton 2nd loop line south of Franklinton: Pipeline maintenance (12/2/2024 -

LA East Leg (Segment 330)

1,010

445

(565)

445

(565)

445

(565)

1,010

12/11/2024)

Main Pass Franklinton loop line south of Franklinton: Pipeline maintenance (12/16/2024 - 12/20/2024)

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

1,663

South Atlanta (segment 510)

537

537

Thomaston East (segment 530)

900

900

South Georgia (segment 650)

143

143

Mainline #1 north of Holy Trinity compressor station: Unscheduled pipeline maintenance (11/1/2024 -

Holy Trinity (segment 655)

143

110

(33)

110

(33)

143

12/14/2024)

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 2025 (updated 10/24/24)

-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 (12/30 - 1/5)

Week 2 (1/6 - 1/12)

Week 3 (1/13 - 1/19)

Week 4 (1/20 - 1/26)

Week 5 (1/27 - 2/2)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

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.

February 2025 (updated 10/24/24)

-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 (2/3 - 2/9)

Week 2 (2/10 - 2/16)

Week 3 (2/17 - 2/23)

Week 4 (2/24 - 3/2)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Onward (segment 30)

209

209

Duncanville Lateral (segment 90)

Dearmanville (segment 150)

355

355

White Castle (segment 340)

798

798

Sesh (segment 380)

484

484

Gwinville (segment 400)

234

234

Enterprise (segment 430)

2,450

2,450

Ellerslie (segment 490)

1,663

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.

Southern Natural Gas Notice 709970

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