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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 712151

    Southern Natural Gas Notice 712151

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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:  07/02/2026 4:53:15PM Notice End Date/Time:  07/03/2026 9:00:00am Post Date/Time:  7/2/2026 4:53:15 PM Notice ID: 712151 Reqrd Rsp:  1 Rsp Date:  7/2/2026 12:00:00 AM 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 07/02/26)

     

     

     

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

     

     

     

     

     

     

    -No anticipated impact to transportation services.

     

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Monday (7/6)

    Tuesday (7/7)

    Wednesday (7/8)

    Thursday (7/9)

    Friday (7/10)

    Saturday (7/11)

    Sunday (7/12)

     

     

    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

     

     

    Helena Regulator (segment 120)

     

    21

     

    21

     

    21

     

    21

     

    21

     

    18

    (3)

     

    18

    (3)

     

    18

    (3)

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

    Tarrant (segment 130

     

    563

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation) Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

     

    Dearmanville (segment 150)

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

     

    White Castle (segment 340)

     

    760

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

    Shadyside Compressor Station: Scheduled Unit Maintenance Proj-5000-3 (6/8/2026 - 7/12/2026)

    White Castle Compressor Station: Scheduled Unit Maintenance Proj-5010-8 (7/6/2026 - 7/19/2026)

     

    Sesh (segment 380)

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

     

    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 - 10/31/2026)

     

    Enterprise (segment 430)

     

    2,306

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

    Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522215 (7/6/2026 - 8/23/2026)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    Ellerslie (segment 490)

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

     

    Thomaston West (segment 490)

     

    1,535

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

    Thomaston Compressor Station: Scheduled Unit Maintenance Proj-5272-2 (5/27/2026 - 7/12/2026)

    Thomaston Compressor Station: Scheduled Unit Maintenance Proj-5272-5 (4/27/2026 - 7/12/2026)

     

    South Atlanta (segment 510)

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

     

    Thomaston East (segment 530)

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

     

    East/South Wrens (segment 560)

     

    680

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

    Wrens Compressor Station: Scheduled Unit Maintenance Proj-5288-4 (6/15/2026 - 7/19/2026)

     

    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.

     

     

    July 2026 (updated 07/02/26)

     

     

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

     

     

     

     

     

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (6/29 - 7/5)

    Week 2 (7/6 - 7/12)

    Week 3 (7/13 - 7/19)

    Week 4 (7/20 - 7/26)

    Week 5 (7/27 - 8/2)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

     

     

    36

     

     

    36

     

     

    36

     

     

    Helena Regulator (segment 120)

     

     

    21

     

     

     

    18

    (3)

     

    18

    (3)

     

    18

    (3)

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

    Tarrant (segment 130)

     

     

    563

     

     

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation), Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

     

    735

    (25)

     

     

    760

     

     

    760

    White Castle Compressor Station: Scheduled Unit Maintenance, Proj-5010-8 (7/6/2026 - 7/19/2026)

     

    Sesh (segment 380)

     

     

    506

     

     

     

     

    506

     

     

    506

     

     

    506

     

     

    Gwinville (segment 400)

     

     

    234

     

     

     

     

    234

     

     

    234

     

     

    234

     

     

    Bay Springs (segment 420)

     

     

    1,675

     

     

     

    1595

    (80)

     

    1595

    (80)

     

    1595

    (80)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2026)

     

    Enterprise (segment 430)

     

     

    2,306

     

     

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

    Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (7/6/2026 - 8/23/2026)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    York

    'ZONE 1/2 BOUNDARY'

    (segment 440)

     

     

    2,305

     

     

     

    2135

    (170)

     

    2135

    (170)

     

     

    2,305

    South Main 2nd loop line east of York: Scheduled Pipeline Maintenance, Proj-SNG-36214 (7/17/2026 - 7/24/2026)

     

    Ellerslie (segment 490)

     

     

    1,547

     

     

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    South Atlanta (segment 510)

     

     

    522

     

     

     

     

    522

     

     

    522

     

     

    522

     

     

    Thomaston East (segment 530)

     

     

    849

     

     

     

     

    849

     

     

    849

     

     

    849

     

     

    East/South Wrens (segment 560)

     

     

    680

     

     

     

    585

    (95)

     

    590

    (90)

     

     

    680

    Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-4 (6/15/2026 - 7/19/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-5 (7/20/2026 - 7/26/2026)

     

    South Georgia (segment 650)

     

     

    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.

     

    August 2026 (updated 07/02/26)

     

     

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

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (8/3 - 8/9)

    Week 2 (8/10 - 8/16)

    Week 3 (8/17 - 8/23)

    Week 4 (8/24 - 8/30)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

     

     

     

     

     

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance,

    Helena Regulator (segment 120)

     

    21

    18

    (3)

    18

    (3)

    18

    (3)

     

    21

    Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

     

     

     

     

     

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation),

    Tarrant (segment 130)

     

    563

    438

    (125)

    438

    (125)

    543

    (20)

    543

    (20)

    Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    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

    Bay Springs (segment 420)

     

    1,675

    1595

    (80)

    1595

    (80)

    1595

    (80)

    1595

    (80)

    (7/8/2025 - 10/31/2026)

     

     

     

     

     

     

    Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (7/6/2026 - 8/23/2026)

    Enterprise (segment 430)

     

    2,306

    2126

    (180)

    2126

    (180)

    2126

    (180)

    2166

    (140)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

     

     

     

     

     

    Ellerslie Compressor Station: Scheduled Station Maintenance, Proj-5267 (8/18/2026 - 8/20/2026)

    Ellerslie (segment 490)

    1,547

    1,547

    1,547

    1317

    (230)

    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.

     

    September 2026 (updated 07/02/26)

     

     

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

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (8/31 - 9/6)

    Week 2 (9/7 - 9/13)

    Week 3 (9/14 - 9/20)

    Week 4 (9/21 - 9/27)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

     

     

     

     

     

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-10-12

    Tarrant (segment 130)

     

    563

    543

    (20)

    543

    (20)

    543

    (20)

    548

    (15)

    (9/14/2026 - 10/9/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    Sesh (segment 380)

     

     

    500

     

     

    500

     

     

    500

     

     

    500

     

     

    500

     

     

     

     

     

     

     

    Pickens Compressor Station: Scheduled Unit Maintenance, Proj-4125-2 (8/31/2026 - 9/23/2026)

    Gwinville (segment 400)

    234

    154

    (80)

    154

    (80)

    154

    (80)

    154

    (80)

     

     

     

     

     

     

     

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161

    Bay Springs (segment 420)

     

    1,675

    1595

    (80)

    1595

    (80)

    1595

    (80)

    1595

    (80)

    (7/8/2025 - 10/31/2026)

     

     

     

     

     

     

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO

    Enterprise (segment 430)

     

    2,306

    2166

    (140)

    2166

    (140)

    2166

    (140)

    2166

    (140)

    (5/30/2026 - 12/31/2026)

     

     

     

     

     

     

    Gallion Compressor Station: Scheduled Unit Maintenance, Proj-5236-9 (9/7/2026 - 9/27/2026)

    Gallion (Segment 440)

     

    2,300

     

    2,300

    2145

    (155)

    2145

    (155)

    2255

    (45)

    South Main loop line east of Gallion: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22002 (9/7/2026 - 9/18/2026)

     

     

     

     

     

     

    Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (9/14/2026 - 9/20/2026)

    Selma (segment 460)

    2,293

    2,293

    2,293

    1973

    (320)

    2,293

     

     

    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

     

     

     

     

     

     

     

    Wrens Compressor Station: Scheduled Station Maintenance, Proj-5288-1-2-3

    East/South Wrens (segment 560)

     

    680

    625

    (55)

    585

    (95)

     

    680

     

    680

    (9/1/2026 - 9/2/2026)

    Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-4 (9/8/2026 - 9/11/2026)

     

    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 2026 (updated 07/02/26)

     

     

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

     

     

     

     

     

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (9/28 - 10/4)

    Week 2 (10/5 - 10/11)

    Week 3 (10/12 - 10/18)

    Week 4 (10/19 - 10/25)

    Week 5 (10/26 - 11/1)

     

    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

     

    548

    (15)

     

    518

    (45)

     

    518

    (45)

     

    518

    (45)

     

    518

    (45)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-10-12 (9/14/2026 - 10/9/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-11-13 (10/5/2026 - 10/30/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    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)

     

    1560

    (115)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-5216-1 (11/1/2026 - 3/31/2027)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2026)

     

    Enterprise (segment 430)

     

     

    2,306

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    York

    'ZONE 1/2 BOUNDARY'

    (segment 440)

     

     

    2,305

     

     

    2,305

     

     

    2,305

     

    2215

    (90)

     

    2215

    (90)

     

    2215

    (90)

    York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (10/12/2026 - 11/1/2026)

     

    Ellerslie (segment 490)

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    South Atlanta (segment 510)

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    Thomaston East (segment 530)

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    East/South Wrens (segment 560)

     

     

    680

     

     

    680

     

    485

    (195)

     

     

    680

     

     

    680

     

     

    680

    Wrens Compressor Station: Scheduled Station Maintenance, Proj-5288-CA (10/6/2026 - 10/8/2026)

     

    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.
    TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE Notice Eff Date/Time:  07/02/2026 4:53:15PM Notice End Date/Time:  07/03/2026 9:00:00am Post Date/Time:  7/2/2026 4:53:15 PM Notice ID: 712151 Reqrd Rsp:  1 Rsp Date:  7/2/2026 12:00:00 AM 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 07/02/26)

     

     

     

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

     

     

     

     

     

     

    -No anticipated impact to transportation services.

     

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Monday (7/6)

    Tuesday (7/7)

    Wednesday (7/8)

    Thursday (7/9)

    Friday (7/10)

    Saturday (7/11)

    Sunday (7/12)

     

     

    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

     

     

    Helena Regulator (segment 120)

     

    21

     

    21

     

    21

     

    21

     

    21

     

    18

    (3)

     

    18

    (3)

     

    18

    (3)

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

    Tarrant (segment 130

     

    563

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation) Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

     

    Dearmanville (segment 150)

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

    346

     

     

    White Castle (segment 340)

     

    760

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

     

    685

    (75)

    Shadyside Compressor Station: Scheduled Unit Maintenance Proj-5000-3 (6/8/2026 - 7/12/2026)

    White Castle Compressor Station: Scheduled Unit Maintenance Proj-5010-8 (7/6/2026 - 7/19/2026)

     

    Sesh (segment 380)

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

    506

     

     

    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 - 10/31/2026)

     

    Enterprise (segment 430)

     

    2,306

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

    Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522215 (7/6/2026 - 8/23/2026)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    Ellerslie (segment 490)

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

    1,547

     

     

    Thomaston West (segment 490)

     

    1,535

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

     

    1350

    (185)

    Thomaston Compressor Station: Scheduled Unit Maintenance Proj-5272-2 (5/27/2026 - 7/12/2026)

    Thomaston Compressor Station: Scheduled Unit Maintenance Proj-5272-5 (4/27/2026 - 7/12/2026)

     

    South Atlanta (segment 510)

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

    522

     

     

    Thomaston East (segment 530)

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

    849

     

     

    East/South Wrens (segment 560)

     

    680

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

     

    585

    (95)

    Wrens Compressor Station: Scheduled Unit Maintenance Proj-5288-4 (6/15/2026 - 7/19/2026)

     

    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.

     

     

    July 2026 (updated 07/02/26)

     

     

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

     

     

     

     

     

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (6/29 - 7/5)

    Week 2 (7/6 - 7/12)

    Week 3 (7/13 - 7/19)

    Week 4 (7/20 - 7/26)

    Week 5 (7/27 - 8/2)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

     

     

    36

     

     

    36

     

     

    36

     

     

    Helena Regulator (segment 120)

     

     

    21

     

     

     

    18

    (3)

     

    18

    (3)

     

    18

    (3)

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

    Tarrant (segment 130)

     

     

    563

     

     

     

    438

    (125)

     

    438

    (125)

     

    438

    (125)

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation), Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

     

    735

    (25)

     

     

    760

     

     

    760

    White Castle Compressor Station: Scheduled Unit Maintenance, Proj-5010-8 (7/6/2026 - 7/19/2026)

     

    Sesh (segment 380)

     

     

    506

     

     

     

     

    506

     

     

    506

     

     

    506

     

     

    Gwinville (segment 400)

     

     

    234

     

     

     

     

    234

     

     

    234

     

     

    234

     

     

    Bay Springs (segment 420)

     

     

    1,675

     

     

     

    1595

    (80)

     

    1595

    (80)

     

    1595

    (80)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2026)

     

    Enterprise (segment 430)

     

     

    2,306

     

     

     

    2126

    (180)

     

    2126

    (180)

     

    2126

    (180)

    Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (7/6/2026 - 8/23/2026)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    York

    'ZONE 1/2 BOUNDARY'

    (segment 440)

     

     

    2,305

     

     

     

    2135

    (170)

     

    2135

    (170)

     

     

    2,305

    South Main 2nd loop line east of York: Scheduled Pipeline Maintenance, Proj-SNG-36214 (7/17/2026 - 7/24/2026)

     

    Ellerslie (segment 490)

     

     

    1,547

     

     

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    South Atlanta (segment 510)

     

     

    522

     

     

     

     

    522

     

     

    522

     

     

    522

     

     

    Thomaston East (segment 530)

     

     

    849

     

     

     

     

    849

     

     

    849

     

     

    849

     

     

    East/South Wrens (segment 560)

     

     

    680

     

     

     

    585

    (95)

     

    590

    (90)

     

     

    680

    Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-4 (6/15/2026 - 7/19/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-5 (7/20/2026 - 7/26/2026)

     

    South Georgia (segment 650)

     

     

    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.

     

    August 2026 (updated 07/02/26)

     

     

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

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (8/3 - 8/9)

    Week 2 (8/10 - 8/16)

    Week 3 (8/17 - 8/23)

    Week 4 (8/24 - 8/30)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

     

     

     

     

     

    Bessemer Calera loop line south of Helena Regulator: Scheduled Pipeline Maintenance,

    Helena Regulator (segment 120)

     

    21

    18

    (3)

    18

    (3)

    18

    (3)

     

    21

    Proj-SNG-38163(PT) (M) (7/10/2026 - 8/18/2026)

     

     

     

     

     

     

    North Main loop line east of Providence: Scheduled Pipeline Maintenance(remediation),

    Tarrant (segment 130)

     

    563

    438

    (125)

    438

    (125)

    543

    (20)

    543

    (20)

    Proj-SNG-20462/SNG-21973 (7/6/2026 - 8/14/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    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

    Bay Springs (segment 420)

     

    1,675

    1595

    (80)

    1595

    (80)

    1595

    (80)

    1595

    (80)

    (7/8/2025 - 10/31/2026)

     

     

     

     

     

     

    Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (7/6/2026 - 8/23/2026)

    Enterprise (segment 430)

     

    2,306

    2126

    (180)

    2126

    (180)

    2126

    (180)

    2166

    (140)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

     

     

     

     

     

    Ellerslie Compressor Station: Scheduled Station Maintenance, Proj-5267 (8/18/2026 - 8/20/2026)

    Ellerslie (segment 490)

    1,547

    1,547

    1,547

    1317

    (230)

    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.

     

    September 2026 (updated 07/02/26)

     

     

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

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (8/31 - 9/6)

    Week 2 (9/7 - 9/13)

    Week 3 (9/14 - 9/20)

    Week 4 (9/21 - 9/27)

     

    Primary Outage(s)

    Est. Operational Capacity (Operational Impact) - Thousand Dth

     

    Onward (segment 30)

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    203

     

     

    Duncanville Lateral (segment 90)

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

    36

     

     

     

     

     

     

     

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-10-12

    Tarrant (segment 130)

     

    563

    543

    (20)

    543

    (20)

    543

    (20)

    548

    (15)

    (9/14/2026 - 10/9/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-7-8-9-14 (7/20/2026 - 9/18/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    Sesh (segment 380)

     

     

    500

     

     

    500

     

     

    500

     

     

    500

     

     

    500

     

     

     

     

     

     

     

    Pickens Compressor Station: Scheduled Unit Maintenance, Proj-4125-2 (8/31/2026 - 9/23/2026)

    Gwinville (segment 400)

    234

    154

    (80)

    154

    (80)

    154

    (80)

    154

    (80)

     

     

     

     

     

     

     

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161

    Bay Springs (segment 420)

     

    1,675

    1595

    (80)

    1595

    (80)

    1595

    (80)

    1595

    (80)

    (7/8/2025 - 10/31/2026)

     

     

     

     

     

     

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO

    Enterprise (segment 430)

     

    2,306

    2166

    (140)

    2166

    (140)

    2166

    (140)

    2166

    (140)

    (5/30/2026 - 12/31/2026)

     

     

     

     

     

     

    Gallion Compressor Station: Scheduled Unit Maintenance, Proj-5236-9 (9/7/2026 - 9/27/2026)

    Gallion (Segment 440)

     

    2,300

     

    2,300

    2145

    (155)

    2145

    (155)

    2255

    (45)

    South Main loop line east of Gallion: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22002 (9/7/2026 - 9/18/2026)

     

     

     

     

     

     

    Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (9/14/2026 - 9/20/2026)

    Selma (segment 460)

    2,293

    2,293

    2,293

    1973

    (320)

    2,293

     

     

    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

     

     

     

     

     

     

     

    Wrens Compressor Station: Scheduled Station Maintenance, Proj-5288-1-2-3

    East/South Wrens (segment 560)

     

    680

    625

    (55)

    585

    (95)

     

    680

     

    680

    (9/1/2026 - 9/2/2026)

    Wrens Compressor Station: Scheduled Unit Maintenance, Proj-5288-4 (9/8/2026 - 9/11/2026)

     

    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 2026 (updated 07/02/26)

     

     

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

     

     

     

     

     

    -No anticipated impact to transportation services.

     

    Station / Seg

     

    Est Nominal Design Capacity (Thousand Dth)

    Week 1 (9/28 - 10/4)

    Week 2 (10/5 - 10/11)

    Week 3 (10/12 - 10/18)

    Week 4 (10/19 - 10/25)

    Week 5 (10/26 - 11/1)

     

    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

     

    548

    (15)

     

    518

    (45)

     

    518

    (45)

     

    518

    (45)

     

    518

    (45)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-10-12 (9/14/2026 - 10/9/2026)

    Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-4152-11-13 (10/5/2026 - 10/30/2026)

     

    Dearmanville (segment 150)

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    346

     

     

    White Castle (segment 340)

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    760

     

     

    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)

     

    1560

    (115)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-5216-1 (11/1/2026 - 3/31/2027)

    Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2026)

     

    Enterprise (segment 430)

     

     

    2,306

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

     

    2166

    (140)

    South Main line east of Enterprise: Unscheduled Pipeline Maintenance - CAO (5/30/2026 - 12/31/2026)

     

    York

    'ZONE 1/2 BOUNDARY'

    (segment 440)

     

     

    2,305

     

     

    2,305

     

     

    2,305

     

    2215

    (90)

     

    2215

    (90)

     

    2215

    (90)

    York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (10/12/2026 - 11/1/2026)

     

    Ellerslie (segment 490)

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    1,547

     

     

    South Atlanta (segment 510)

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    522

     

     

    Thomaston East (segment 530)

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    849

     

     

    East/South Wrens (segment 560)

     

     

    680

     

     

    680

     

    485

    (195)

     

     

    680

     

     

    680

     

     

    680

    Wrens Compressor Station: Scheduled Station Maintenance, Proj-5288-CA (10/6/2026 - 10/8/2026)

     

    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.

    Error