-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 08/21/25)
-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 (8/25)
Tuesday (8/26)
Wednesday (8/27)
Thursday (8/28)
Friday (8/29)
Saturday (8/30)
Sunday (8/31)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
203
178
(25)
North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT) Proj-SNG-15323 (7/22/2025 - 9/5/2025)
Duncanville Lateral (segment 90)
36
Providence (segment 120)
652
527
(125)
North Main loop line west of Tarrant: Pipeline Maintenance(remediation) Proj-SNG-38814 (8/21/2025 - 9/4/2025)
Dearmanville (segment 150)
346
White Castle (segment 340)
772
Sesh (segment 380)
506
Gwinville (segment 400)
234
Bay Springs (segment 420)
1,675
1595
(80)
Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 10/31/2025)
Enterprise (segment 430)
2,306
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
2158
(135)
South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance Proj-SNG-8793 (8/20/2025 - 9/5/2025)
Ellerslie (segment 490)
1,547
South Atlanta (segment 510)
522
Thomaston East (segment 530)
849
South Georgia (segment 650)
127
Albany (segment 660)
77
62
(15)
Albany Compressor Station: Unscheduled Unit Maintenance Proj-58172 (7/15/2025 - 8/31/2025)
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.
September 2025 (updated 08/21/25)
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)
North Main 2nd loop line west of Onward: Scheduled Pipeline Maintenance(PT), Proj-SNG-15323 (7/22/2025 - 9/5/2025)
Louisville East (segment 50)
520
360
(160)
Louisville Compressor Station: Scheduled Unit Maintenance, Proj-4132LS (9/22/2025 - 9/26/2025)
North Main loop line west of Tarrant: Pipeline Maintenance(remediation), Proj-SNG-38814 (8/21/2025 - 9/4/2025)
707
(65)
Duck Lake Franklinton line south of White Castle: Scheduled Pipeline Maintenance(remediation), Proj- SNG-20777 (9/8/2025 - 10/6/2025)
LA West Leg (segment 350)
695
675
(20)
Duck Lake Franklinton Line north of White Castle: Pipeline Maintenance, Proj-SNG-2933 (9/15/2025 - 9/30/2025)
500
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (7/8/2025 - 10/31/2025)
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)
York (segment 440)
2,305
2080
(225)
York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (9/8/2025 - 9/9/2025)
South Main 2nd Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-8793 (8/20/2025 - 9/5/2025)
Elmore (segment 460)
2,010
1850
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)
Thomaston West (segment 490)
1,535
1515
Thomaston Compressor Station: Scheduled Unit Maintenance, Proj-52723-4 (9/15/2025 - 9/18/2025)
East/South Wrens (segment 560)
680
585
(95)
Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52884 (9/15/2025 - 9/19/2025)
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.
October 2025 (updated 08/21/25)
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)
153
(50)
Onward Compressor Station: Scheduled Unit Maintenance, Proj-411511 (10/6/2025 - 10/26/2025)
Tarrant (segment 130)
563
513
293
(270)
2nd North Main Line at Tarrant: Scheduled Pipeline Maintenance(PT), Proj-SNG-30507 (10/6/2025 - 10/21/2025)
Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415213 (9/29/2025 - 10/12/2025) Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415214 (10/20/2025 - 10/31/2025)
798
540
(258)
White Castle Franklinton loop line north of White Castle: Pipeline Maintenance(replacement), Proj-SNG- 2933/SNG-3089 (10/1/2025 - 10/31/2025)
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
Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (9/29/2025 - 10/17/2025)
Auburn (segment 460)
1,953
1693
(260)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (9/29/2025 - 10/31/2025)
1192
(355)
1467
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-
Thomaston East
(segment 530)
Ocmulgee (segment 530)
804
704
(100)
Ocmulgee Compressor Station: Scheduled Station Maintenance, Proj-5277 (10/7/2025 - 10/8/2025)
635
(45)
Wrens Compressor Station: Scheduled Station Maintenance, Proj-52882 (10/6/2025 - 10/10/2025) Wrens Compressor Station: Scheduled Station Maintenance, Proj-52883 (10/6/2025 - 10/10/2025)
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.
November 2025 (updated 08/21/25)
Week 1 (11/3 - 11/9)
Week 2 (11/10 - 11/16)
Week 3 (11/17 - 11/23)
Week 4 (11/24 - 11/30)
209
355
Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856
593
(205)
638
(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)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522213 (10/20/2025 - 11/9/2025)
2,450
2255
1,663
537
900
143
December 2025 (updated 08/21/25)
Week 1 (12/1 - 12/7)
Week 2 (12/8 - 12/14)
Week 3 (12/15 - 12/21)
Week 4 (12/22 - 12/28)
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