-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 03/20/25)
-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 (3/24)
Tuesday (3/25)
Wednesday (3/26)
Thursday (3/27)
Friday (3/28)
Saturday (3/29)
Sunday (3/30)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
209
Duncanville Lateral (segment 90)
36
Dearmanville (segment 150)
355
White Castle (segment 340)
798
LA West Leg (segment 350)
733
(65)
Franklinton Compressor Station: Scheduled Unit Maintenance Proj-512216 (3/25/2025 - 3/31/2025)
Sesh (segment 380)
506
Gwinville (segment 400)
234
182
(52)
65
(169)
199
(35)
Gwinville Pickens Line north of Gwinville: Pipeline Maintenance(remediation) Proj-SNG-19050/20646 (3/17/2025 - 3/24/2025)
Gwinville Pickens Line north of Gwinville: Pipeline Maintenance(remediation) Proj-SNG-19050/20646/21938 (3/25/2025 - 4/4/2025)
Pickens Compressor Station: Scheduled Station Maintenance Proj-4125 (3/25/2025 - 3/26/2025)
Enterprise (segment 430)
2,450
2200
(250)
Enterprise Compressor Station: Scheduled Unit Maintenance Proj-522216 (3/24/2025 - 3/31/2025)
Ellerslie (segment 490)
1,663
South Atlanta (segment 510)
537
Thomaston East (segment 530)
900
East/South Wrens (segment 560)
724
669
(55)
Wrens Compressor Station: Scheduled Unit Maintenance Proj-52885 (3/18/2025 - 3/31/2025)
South Georgia (segment 650)
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.
April 2025 (updated 03/20/25)
Week 1 (3/31 - 4/6)
Week 2 (4/7 - 4/13)
Week 3 (4/14 - 4/20)
Week 4 (4/21 - 4/27)
Primary Outage(s)
203
Louisville East (segment 50)
520
210
(310)
275
(245)
2nd North Main Line east of Pickens: Pipeline Maintenance(remediation), Proj-SNG-19047 (4/21/2025 - 5/2/2025)
2nd North Main Line east of Pickens: Pipeline Maintenance(remediation), Proj-SNG-19047 (M) (4/8/2025
- 4/18/2025)
Pell City Station (segment 140)
474
304
(170)
Talladega Branch Loop Line south of Dearmanville: Scheduled Pipeline Maintenance, Proj-SNG-36904 (4/22/2025 - 4/24/2025)
346
772
695
630
Franklinton Compressor Station: Scheduled Unit Maintenance, Proj-512216 (3/25/2025 - 3/31/2025)
500
Gwinville Pool (segment 390)
1,607
1217
(390)
1342
(265)
Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211P4B (4/2/2025 - 4/11/2025) Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211P4C (4/12/2025 - 4/21/2025)
150
(84)
149
(85)
2nd North Main Line east of Pickens: Pipeline Maintenance(remediation), Proj-SNG-19047 (4/8/2025 - 4/18/2025)
Gwinville Pickens Line north of Gwinville: Pipeline Maintenance(remediation), Proj-SNG- 19050/20646/21938 (3/25/2025 - 4/4/2025)
Pickens Compressor Station: Scheduled Unit Maintenance , Proj-41251 (4/21/2025 - 5/11/2025)
2,306
2056
2136
2126
(180)
Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522216 (3/24/2025 - 3/31/2025) Enterprise Compressor Station: Scheduled Unit Maintenance, Proj-522216 (4/1/2025 - 4/7/2025) Enterprise Compressor Station: Unit maintenance, Porj-5222B (4/17/2025 - 4/21/2025)
York (segment 440)
2,305
2125
2080
(225)
York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/1/2025 - 10/31/2025) York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (4/7/2025 - 4/9/2025)
Gallion (Segment 440)
2,300
2030
(270)
Gallion Compressor Station: Scheduled Unit Maintenance , Proj-523610 (3/31/2025 - 4/2/2025) Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (4/23/2025 - 4/28/2025)
Selma (segment 460)
2,293
2043
Selma Compressor Station: Scheduled Unit Maintenance, Proj-52453 (4/2/2025 - 4/4/2025)
Auburn (segment 460)
1,953
1628
(325)
Auburn Compressor Station: Scheduled Unit Maintenance, Proj-52593 (4/23/2025 - 4/25/2025) South Main Loop Line east of Auburn: Scheduled Pipeline Maintenance, Proj-SNG-24941 (4/9/2025 - 4/23/2025)
South Main Loop Line west of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-24942 (4/9/2025 - 4/23/2025)
1,547
1317
(230)
Thomaston Compressor Station: Scheduled Unit Maintenance, Proj-52721 (4/14/2025 - 4/18/2025)
522
Thomaston East
(segment 530)
849
Hall Gate (segment 560)
705
635
(70)
Hall Gate Compressor Station: Scheduled Unit Maintenance, Proj-52833 (4/21/2025 - 5/26/2025)
680
625
Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52885 (3/18/2025 - 3/31/2025)
127
Holy Trinity (segment 655)
97
(30)
Holy Trinity Compressor Station: Scheduled Station Maintenance (4/7/2025 - 4/12/2025) Holy Trinity Compressor Station: Scheduled Unit Maintenance, Proj-58051 (4/7/2025 - 4/12/2025)
Mainline #1 north of Holy Trinity Compressor Station: Scheduled Pipeline Maintenance (4/14/2025 - 4/20/2025)
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.
May 2025 (updated 03/20/25)
Week 1 (4/28 - 5/4)
Week 2 (5/5 - 5/11)
Week 3 (5/12 - 5/18)
Week 4 (5/19 - 5/25)
Week 5 (5/26 - 6/1)
535
(160)
Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-22856 (5/22/2025 - 6/5/2025)
Duck Lake Franklinton Line north of White Castle: Scheduled Pipeline Maintenance, Proj-SNG-2753 (5/22/2025 - 6/5/2025)
Gwinville Compressor Station: Scheduled Station Maintenance, Proj-521113P5A (4/29/2025 - 5/2/2025) Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211P5 (4/28/2025 - 5/8/2025)
0
(234)
2nd North Main Line east of Pickens: Pipeline Maintenance(remediation), Proj-SNG-19047 (5/5/2025 - 5/21/2025)
Gwinville Compressor Station: Scheduled Station Maintenance, Proj-5211P5 (4/28/2025 - 5/8/2025) Pickens Compressor Station: Scheduled Unit Maintenance , Proj-41251 (4/21/2025 - 5/11/2025)
Bay Springs (segment 420)
1,675
1485
(190)
Bay Springs Compressor Station: Scheduled Unit Maintenance, Proj-52163 (5/12/2025 - 5/16/2025)
York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/1/2025 - 10/31/2025)
Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (4/23/2025 - 4/28/2025)
1993
(300)
1843
(450)
Elmore Compressor Station: Scheduled Unit Maintenance, Proj-525112 (5/19/2025 - 5/23/2025) South Main Loop Line east of Selma: Scheduled Pipeline Maintenance, Proj-SNG-24945 (5/12/2025 - 5/18/2025)
1813
(140)
South Main Loop Line west of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-24943 (4/28/2025 - 5/11/2025)
South Main Loop Line west of Ellerslie: Scheduled Pipeline Maintenance, Proj-SNG-24944 (4/28/2025 - 5/11/2025)
June 2025 (updated 03/20/25)
Week 1 (6/2 - 6/8)
Week 2 (6/9 - 6/15)
Week 3 (6/16 - 6/22)
Week 4 (6/23 - 6/29)
595
(100)
White Castle Franklinton Loop Line: Scheduled Pipeline Maintenance, Proj-SNG-22856 (6/6/2025 -
6/17/2025)
July 2025 (updated 03/20/25)
Week 1 (6/30 - 7/6)
Week 2 (7/7 - 7/13)
Week 3 (7/14 - 7/20)
Week 4 (7/21 - 7/27)
Week 5 (7/28 - 8/3)