-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 03/26/26)
-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 (3/30)
Tuesday (3/31)
Wednesday (4/1)
Thursday (4/2)
Friday (4/3)
Saturday (4/4)
Sunday (4/5)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
203
Duncanville Lateral (segment 90)
36
Bessemer Calera (segment 120)
100
82
(18)
Bessemer Calera Line east of Providence: Scheduled Pipeline Maintenance Proj-SNG-38163(PT) (4/1/2026 - 4/15/2026)
Tarrant (segment 130
539 / 563
519
(20)
543
Tarrant Compressor Station: Scheduled Unit Maintenance Proj-415212 (3/9/2026 - 4/19/2026)
Dearmanville (segment 150)
355 / 346
210
(145)
201
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT) Proj-SNG-15344(HS) (3/30/2026 - 4/17/2026)
White Castle (segment 340)
798 / 750
798
750
LA West Leg (segment 350)
798 / 720
733
(65)
655
720
Franklinton Compressor Station: Scheduled Unit Maintenance Proj-512216 (3/9/2026 - 4/1/2026)
Sesh (segment 380)
506 / 500
506
500
Gwinville (segment 400)
234
0
(234)
Gwinville Compressor Station: Scheduled Station Maintenance Proj-5211 (3/30/2026)
Gwinville East (segment 410)
1,655
1507
(148)
Bay Springs (segment 420)
1,887 /
1,677
1647
(240)
1597
(80)
Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (4/1/2026 - 10/31/2026)
Bay Springs Compressor Station: Scheduled Unit Maintenance Proj-52161 (7/8/2025 - 3/31/2026)
Enterprise (segment 430)
2,450 /
2,306
2400
(50)
2236
(70)
Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522212 (3/16/2026 - 3/31/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522212 (4/1/2026 - 5/8/2026)
Selma (segment 460)
2,435 /
2,293
2335
(100)
2128
(165)
Selma Compressor Station: Unscheduled Unit Maintenance Proj-52301 (4/1/2026 - 5/31/2026)
Selma Compressor Station: Unscheduled Unit Maintenance Proj-52451 (12/22/2025 - 3/31/2026)
Ellerslie (segment 490)
1,663 /
1,547
1513
(150)
1397
Ellerslie Compressor Station: Unscheduled Unit Outage Proj-52678 (12/7/2025 - 4/5/2026)
South Atlanta (segment 510)
537 / 522
537
522
Thomaston East (segment 530)
900 / 849
900
849
South Georgia (segment 650)
143 / 127
143
127
Holy Trinity (segment 655)
116
(27)
Holy Trinity Compressor Station: Scheduled Unit Maintenance Proj-58051-2 (3/23/2026 - 4/17/2026)
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.
April 2026 (updated 03/26/26)
Week 1 (3/30 - 4/5)
Week 2 (4/6 - 4/12)
Week 3 (4/13 - 4/19)
Week 4 (4/20 - 4/26)
Week 5 (4/27 - 5/3)
Primary Outage(s)
Louisville East (segment 50)
520
190
(330)
Louisville Compressor Station: Scheduled Unit Maintenance, Proj-4132LS (4/27/2026 - 5/1/2026)
86
(14)
Bessemer Calera Line east of Providence: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (4/1/2026 - 4/15/2026)
Bessemer Calera Line east of Providence: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (5/1/2026 - 6/26/2026)
Tarrant (segment 130)
563
Tarrant Compressor Station: Scheduled Unit Maintenance, Proj-415212 (3/9/2026 - 4/19/2026)
346
171
(175)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT), Proj-SNG-15344 (4/8/2026 - 4/17/2026)
Dearmanville Compressor Station: Scheduled Pipeline Maintenance(PT), Proj-SNG-15344(HS) (3/30/2026 - 4/17/2026)
200
(34)
Gwinville Compressor Station: Scheduled Unit Maintenance, Proj-52112 (4/20/2026 - 5/3/2026) Gwinville Compressor Station: Scheduled Unit Maintenance, Proj-52112 (4/6/2026 - 4/19/2026)
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52161 (4/1/2026 - 10/31/2026)
2191
(115)
2181
(125)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522212 (4/1/2026 - 5/8/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-5222-14-15 (4/20/2026 - 4/23/2026)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-5222-8-9-10 (4/6/2026 - 4/9/2026)
South Main 2nd loop line east of Enterprise: Scheduled Pipeline Maintenance, Proj-SNG-8792 (4/17/2026
- 4/26/2026)
York (segment 440)
2,305
2010
(295)
York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (4/24/2026)
Gallion (Segment 440)
2,300
1965
(335)
2145
(155)
Gallion Compressor Station: Scheduled Unit Maintenance , Proj-523610 (4/23/2026) Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52369 (4/27/2026 - 5/10/2026)
South Main loop line east of Gallion: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22002 (4/27/2026 - 5/1/2026)
1973
(320)
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/22/2026) Selma Compressor Station: Unscheduled Unit Maintenance, Proj-52301 (4/1/2026 - 5/31/2026)
Elmore (segment 460)
2,010
1755
(255)
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (4/21/2026)
Auburn (segment 460)
1,953
1693
(260)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/20/2026)
Hall Gate (segment 560)
705
635
Hall Gate Compressor Station: Scheduled Unit Maintenance, Proj-52833 (4/6/2026 - 5/10/2026)
East/South Wrens (segment 560)
680
590
(90)
Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52881-2-3 (4/20/2026 - 4/21/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52884 (4/21/2026 - 4/22/2026) Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52885 (4/23/2026 - 4/24/2026)
Holy Trinity Compressor Station: Scheduled Unit Maintenance, Proj-58051-2 (3/23/2026 - 4/17/2026)
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.
May 2026 (updated 03/26/26)
Week 1 (5/4 - 5/10)
Week 2 (5/11 - 5/17)
Week 3 (5/18 - 5/24)
Week 4 (5/25 - 5/31)
1,675
1595
2126
(180)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522215 (5/18/2026 - 6/21/2026)
2080
(225)
2235
South Main 2nd loop line east of York: Scheduled Pipeline Maintenance, Proj-SNG-36214 (5/25/2026 - 5/31/2026)
York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (5/21/2026 - 5/23/2026)
2210
2255
(45)
Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52368 (5/11/2026 - 5/21/2026) Gallion Compressor Station: Scheduled Unit Maintenance, Proj-52369 (4/27/2026 - 5/10/2026) South Main line east of Gallion: Scheduled Pipeline Maintenance(remediation),
Proj-SNG-19219(1) (5/4/2026 - 5/6/2026)
South Main line west of Selma: Scheduled Pipeline Maintenance(remediation), Proj-SNG-19219(2) (5/7/2026 - 5/12/2026)
2003
(290)
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (5/18/2026 - 5/20/2026) Selma Compressor Station: Unscheduled Unit Maintenance, Proj-52301 (4/1/2026 - 5/31/2026)
1915
(95)
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (5/14/2026 - 5/16/2026) Elmore Compressor Station: Scheduled Unit Maintenance, Proj-5251B (5/4/2026 - 5/8/2026)
1698
1738
(215)
1848
(105)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (5/11/2026 - 5/13/2026) South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation),
Proj-SNG-20457(1) (5/18/2026 - 5/22/2026)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-20457(2) (5/23/2026 - 5/29/2026)
1402
Ellerslie Compressor Station: Scheduled Unit Maintenance , Proj-52678-9 (5/18/2026 - 5/21/2026)
June 2026 (updated 03/26/26)
Week 1 (6/1 - 6/7)
Week 2 (6/8 - 6/14)
Week 3 (6/15 - 6/21)
Week 4 (6/22 - 6/28)
1793
(160)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22003(1) (6/1/2026 - 6/9/2026)
South Main loop line east of Auburn: Scheduled Pipeline Maintenance(remediation), Proj-SNG-22003(2) (6/10/2026 - 6/14/2026)
Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.
July 2026 (updated 03/26/26)
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)
Bessemer Calera loop line east of Providence: Scheduled Pipeline Maintenance, Proj-SNG-38163(PT) (7/1/2026 - 8/15/2026)
Tarrant Compressor Station: Scheduled Unit Maintenance(panel), Proj-41527-8-9-10-11 (7/6/2026 - 9/13/2026)
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