-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 03/27/25)
-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 (3/31)
Tuesday (4/1)
Wednesday (4/2)
Thursday (4/3)
Friday (4/4)
Saturday (4/5)
Sunday (4/6)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Onward (segment 30)
209/
203
209
Duncanville Lateral (segment 90)
36
Dearmanville (segment 150)
355/
346
355
White Castle (segment 340)
798/
772
798
LA West Leg (segment 350)
735/
695
735
Sesh (segment 380)
506
Gwinville Pool (segment 390)
1,707/
1,607
1,707
1217
(390)
Gwinville Compressor Station: Scheduled Station Maintenance Proj-5211P4B (4/2/2025 - 4/11/2025)
Gwinville (segment 400)
234
199
(35)
Gwinville Pickens Line north of Gwinville: Pipeline Maintenance(remediation) Proj-SNG-19050/20646/21938 (3/31/2025 - 4/7/2025)
Enterprise (segment 430)
2,450/
2,306
2200
(250)
2136
(170)
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)
Gallion (Segment 440)
2,457/
2,300
2157
(300)
2030
(270)
Gallion Compressor Station: Scheduled Unit Maintenance Proj-523610 (3/31/2025 - 4/2/2025)
Selma (segment 460)
2,435/
2,293
2,435
2043
Selma Compressor Station: Scheduled Unit Maintenance Proj-52453 (4/3/2025 - 4/4/2025)
Ellerslie (segment 490)
1,663/
1,547
1,663
Thomaston West (segment 490)
1,650/
1,535
1,605
(45)
1490
Thomaston Compressor Station: Unscheduled Unit Outage Proj-52723 (1/30/2025 - 4/20/2025)
South Atlanta (segment 510)
537/
522
537
Thomaston East (segment 530)
900/
849
900
East/South Wrens (segment 560)
724/
680
669
(55)
625
Wrens Compressor Station: Scheduled Unit Maintenance Proj-52885 (3/18/2025 - 4/7/2025)
South Georgia (segment 650)
143/
127
143
Holy Trinity (segment 655)
97
(30)
Holy Trinity Compressor Station: Scheduled Station Maintenance (4/5/2025 - 4/12/2025)
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.
April 2025 (updated 03/27/25)
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)
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
Talladega Branch Loop Line south of Dearmanville: Scheduled Pipeline Maintenance, Proj-SNG-36904 (4/22/2025 - 4/24/2025)
341
(165)
SESH: Scheduled Maintenance (M) (4/12/2025) SESH: Scheduled Maintenance (M) (4/13/2025)
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 (3/31/2025 - 4/7/2025)
Pickens Compressor Station: Scheduled Unit Maintenance , Proj-41251 (4/21/2025 - 5/11/2025)
2126
(180)
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
2080
(225)
2125
York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/7/2025 - 10/31/2025) York Compressor Station: Scheduled Unit Maintenance, Proj-52303 (4/7/2025 - 4/9/2025)
Gallion Compressor Station: Scheduled Unit Maintenance, Proj-523610 (4/23/2025 - 4/28/2025)
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)
1317
(230)
Thomaston Compressor Station: Scheduled Unit Maintenance, Proj-52721 (4/14/2025 - 4/18/2025)
Thomaston Compressor Station: Unscheduled Unit Outage, Proj-52723 (1/30/2025 - 4/20/2025)
Hall Gate (segment 560)
705
635
(70)
Hall Gate Compressor Station: Scheduled Unit Maintenance, Proj-52833 (4/21/2025 - 5/26/2025)
Wrens Compressor Station: Scheduled Unit Maintenance, Proj-52885 (3/18/2025 - 4/7/2025)
Holy Trinity Compressor Station: Scheduled Station Maintenance (4/5/2025 - 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)
May 2025 (updated 03/27/25)
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)
500
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)
2103
(203)
Enterprise Compressor Station: Scheduled Station Maintenance , Proj-52222WC (4/28/2025 - 5/8/2025) Enterprise Compressor Station: Scheduled Station Maintenance, Proj-5222T (5/8/2025 - 5/9/2025)
York Compressor Station: Scheduled Unit Maintenance, Proj-52301 (4/7/2025 - 10/31/2025)
1993
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)
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.
June 2025 (updated 03/27/25)
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 03/27/25)
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)