TGP - Outage Impact Report Seven Day Forecast (updated 05/22/25)
-Primary impact restrictions may be necessary
-Major impact restrictions may be necessary
-Minor impact restrictions may be necessary depending on flow conditions
-Little to no impact, though minor outages may cause incremental reductions
Station / Seg
Est Nominal
Operating Capacity (Thousand Dth)
Monday
(5/26)
Tuesday
(5/27)
Wednesday
(5/28)
Thursday
(5/29)
Friday
(5/30)
Saturday
(5/31)
Sunday
(6/1)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
564
Station 1
(segment 101 BH)
400
Station 9
(segment 109 BH)
1,028
945
(83)
MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/18/2025 - 6/3/2025) MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025)
Station 17
(segment 117 FH)
758
740
(18)
MLV 17-1D to MLV 20-1A: Pig Run - Cleaning 5/27/25 (5/27/2025) MLV 17-1D to MLV 20-1A: Pig Run - Gauge 5/28/25 (5/28/2025) MLV 17-1D to MLV 20-1A: Pig Run - MFL-A 5/29/25 (5/29/2025)
MLV 20-1BR to MLV 24-1A: Anomaly Remediation (5/26/2025 - 6/13/2025)
Station 25
(segment 125 FH)
714
(150)
MLV 25-3 to MLV 32-3: Pig Run - Maintenance (5/27/2025)
Station 40 South
(segment 132 FH)
912
683
(229)
MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/2/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)
Station 47
(segment 143 FH)
1,181
1176
(5)
926
(255)
MLV 41-2 to MLV 41-2A: PHMSA Immediate Anomaly Remediation (5/20/2025 - 6/6/2025)
MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - Cleaning & Gauge 5/27 - 5/31 (M)
(5/27/2025 - 5/31/2025)
MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/7/2025 - 6/6/2025)
Station 63
(segment 163 FH)
1,233
1090
(143)
MLV 63-4 to MLV 64-4: Shallow Pipe Lowering (5/19/2025 - 5/31/2025)
Station 823
(segment 823 BH)
686
Station 834
(segment 834 BH)
679
670
(9)
Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)
Station 527
(segment 527 BH)
2,292
2010
(282)
MLV 533-1 to MLV 533-1: Hot Tap for Meter Upgrade (Meter: Carnes PIN: 420366) (M) (5/27/2025 - 6/1/2025)
MLV 533-2 to MLV 533-2: Hot Tap for Meter Upgrade (Meter: Carnes PIN: 420366) (M) (5/27/2025 - 6/1/2025)
MLV 548
(segment 542 BH)
1,597
1480
(117)
Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)
Sta 542: Unit 3A - Overhaul (2/12/2024 - 6/20/2025) Sta 546: Unit 7A - Oil System (5/19/2025 - 6/7/2025)
Station 860
(segment 548 BH)
1,516
1495
(21)
Sta 555: Unit 1A - Engine Maintenance (5/27/2025 - 5/30/2025) Sta 555: Unit 2A - Air Manifold Pressure (4/14/2025 - 5/30/2025) Sta 555: Unit 2A - Oil Seal (5/27/2025 - 5/30/2025)
Station 860 North (Segment 860 BH)
1,793
1693
(100)
1320
(473)
Sta 860: Electrical Tie-In & ESD Test (5/30/2025 - 6/1/2025) Sta 860: Force Majeure (8/18/2023 - TBD)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,645
2630
(15)
2225
(420)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 110 Morehead: Annual ESD Test & Substation Inspection (5/27/2025 - 5/30/2025)
Sta 110 Morehead: Replace Transformers (5/27/2025 - 5/30/2025) Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025)
Station 114
(segment 114 BH)
920
600
(320)
MLV 116-3 to MLV 117-3: Anomaly Remediation (5/27/2025 - 6/6/2025)
Station 204
(Segment 204 BH)
1,827
1797
(30)
1717
(110)
1737
(90)
MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/2/2025) MLV 205-2 to MLV 206-2: Landslide Mitigation (5/19/2025 - 5/31/2025) MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025)
Station 245
(segment 245 FH)
997
840
(157)
735
(262)
975
(22)
Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)
Sta 245-1 to MLV 249-1: Pig Run - Maintenance (5/27/2025) Sta 249: Annual ESD Test (5/27/2025)
Sta 249: Unit 2B - Compressor Rod & Packing Replacement (5/16/2025 -
5/28/2025)
MLV 256 West
(segment 249 FH)
1,213
1195
Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)
TGP - Outage Impact Report
Seven Day Forecast (updated 05/22/25)
Station 254
(segment 256 FH)
1100
(113)
MLV 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/21/2025)
Station 261 Discharge East (segment 261 FH)
941
Concord Lateral Sta 270B
(segment 284 FH)
136
120
(16)
MLV 270B-105B to 270B-106C: Make Piggable - Valve & Tees Replacement (M) (5/13/2025 - 5/28/2025)
Station 307
(segment 307 BH)
1,149
1131
940
(209)
Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 6/13/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 6/13/2025) Sta 303A: Annual ESD Test & Maintenance (5/27/2025 - 5/30/2025)
Sta 303A: Unit 1A - Protective Device Checks (5/27/2025 - 5/30/2025)
Station 315
(segment 315 BH)
1,854
MLV 324
(segment 324 FH)
1,767
Station 405 HC Line (segment 299 FH)
803
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.
TGP - Outage Impact Report June 2025 (updated 05/22/25)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(6/2 - 6/8)
Week 2
(6/9 - 6/15)
Week 3
(6/16 - 6/22)
Week 4
(6/23 - 6/29)
Primary Outage(s)
578
(450)
630
(398)
875
(153)
MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/18/2025 - 6/3/2025)
MLV 13-3 to MLV 17-3: Pig Run - Cleaning 6/10/25 (M) (6/10/2025) MLV 13-3 to MLV 17-3: Pig Run - EMAT 6/20/25 (M) (6/20/2025) MLV 13-3 to MLV 17-3: Pig Run - Gauge 6/12/25 (M) (6/12/2025) MLV 13-3 to MLV 17-3: Pig Run - MFL-A 6/16/25 (M) (6/16/2025) MLV 13-3 to MLV 17-3: Pig Run - MFL-C 6/18/25 (M) (6/18/2025)
MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025) MLV 5-2 to MLV 9-2S: Pig Runs - Cleaning 6/3/25 (M) (6/3/2025) MLV 5-2 to MLV 9-2S: Pig Runs - MFL-A 6/5/25 (M) (6/5/2025)
MLV 8-1 to MLV 9-1: Anomaly Remediation (6/3/2025 - 7/2/2025)
753
MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/16/2025 - 7/4/2025)
MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (6/10/2025 - 7/3/2025)
709
MLV 25-2 to MLV 26-2: Anomaly Remediation (6/10/2025 - 6/17/2025)
MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/2/2025)
MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)
Station 40 KN South (segment 501 FH)
268
200
(68)
Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (6/24/2025)
1,176
796
(380)
801
(375)
1171
MLV 40-1D to MLV 47-1S: Pig Runs - Cleaning / Gauge 6/5 - 6/10 (M) (6/5/2025 -
6/10/2025)
MLV 40-1D to MLV 47-1S: Pig Runs - TDW MDS 6/11 (M) (6/11/2025)
MLV 40-4D to MLV 47-4S: Pig Runs - Maintenance (M) (6/10/2025)
MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025) MLV 47-1A to MLV 48-1: Class Change (6/2/2025 - 11/30/2025)
MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - TDW MDS 6/3 (M) (6/3/2025)
MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) Sta 47: Scrubber Filter Separator Cleaning & Inspection (6/2/2025 - 6/6/2025)
Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/7/2025 - 6/6/2025)
Sta 63: Unit 1D - Safety Device Checks (6/24/2025 - 6/26/2025)
1120
(288)
1130
(103)
MLV 63-2D to MLV 69-2: Pig Runs - Cleaning / Gauge 6/17/25 (6/17/2025)
MLV 63-2D to MLV 69-2: Pig Runs - MDS 6/19/25 (6/19/2025) MLV 71-2D to MLV 79-2S: Pig Runs - EMAT 6/24/25 (6/24/2025)
MLV 81-1 to MLV 82-1: Anomaly Remediation (6/2/2025 - 6/14/2025) MLV 83-1 to MLV 83-1a: Anomaly Remediation (6/2/2025 - 6/14/2025) MLV 84-1 to MLV 85-1: Anomaly Remediation (6/16/2025 - 6/21/2025)
MLV 85-1 to MLV 86-1: Anomaly Remediation (6/23/2025 - 6/28/2025)
June 2025 (updated 05/22/25)
Station 847
(segment 847 BH)
284
220
(64)
MLV 838-1 TO MLV 834-1: Pig Runs - Cleaning / Gauge 6/16 - 6/18 (M)
(6/16/2025 - 6/18/2025)
MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN AFD (MFL-C) 6/24 (M) (6/24/2025)
MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN CAL / IMU 6/19 (M) (6/19/2025) MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN EMAT 6/26 (M) (6/26/2025)
1840
(452)
Sta 530: Scrubber Inspection / Filter Replacement (6/9/2025 - 6/13/2025)
1345
(252)
1575
Sta 534: Scrubber Inspection / Filter Replacement (6/16/2025 - 6/20/2025)
Sta 542: Unit 3A - Overhaul (2/12/2024 - 6/20/2025)
Sta 546: Unit 7A - Oil System (5/19/2025 - 6/7/2025)
1500
500
(1016)
MLV 556-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)
MLV 557-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 558-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) Sta 550: Unit 3A - Turbocharger Exchange & Engine Overhaul (6/9/2025 - 7/18/2025)
Sta 550: Unit 4A - Turbocharger Exchange (6/2/2025 - 6/13/2025) Sta 555: Unit 2A - Engine Maintenance (6/9/2025 - 6/13/2025) Sta 555: Unit 5A - Engine Maintenance (6/2/2025 - 6/5/2025)
Sta 555: Unit 6A - Engine Maintenance (6/16/2025 - 6/20/2025)
1460
(333)
915
(878)
MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 -
7/21/2025)
MLV 560-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 561-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 562-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 563-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 564-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) Sta 563 Joelton: Annual ESD Test (6/2/2025)
Sta 563 Joelton: Fuel Gas Filter Changeout & Gas Filtration - Unit 1 & 2 (6/2/2025 - 6/5/2025)
Sta 563: 2nd Quarterly Safety Checks (6/2/2025 - 6/5/2025) Sta 860: Force Majeure (8/18/2023 - TBD)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025) Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)
2000
(645)
1920
(725)
1970
(675)
MLV 106-1D to MLV 111-7BR: Make Piggable Valve MLV 107-7 & MLV 109-7
Replacements (M) (6/8/2025 - 7/19/2025)
MLV 106-3C to MLV 107-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 107-3 to MLV 108-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 108-3 to MLV 109-3: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (6/23/2025 - 7/12/2025) Sta 106 Clay City: Annual ESD Test & Maintenance (6/2/2025 - 6/6/2025)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 106: Unit 6B - Engine Inspection (6/16/2025 - 6/20/2025)
Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025) Sta 871 Campbellsville: Annual ESD Test (6/24/2025 - 6/25/2025) Sta 871: Scrubber/Filter/Separator Inspection & Cleaning (6/23/2025 - 6/27/2025)
Sta 875 Richmond: Annual ESD Test & Maintenance (6/10/2025 - 6/12/2025) Sta 96 Campbellsville: Annual ESD Test (6/9/2025 - 6/12/2025)
Sta 96 Campbellsville: Annual Substation Inspection (6/9/2025 - 6/12/2025)
300
(620)
375
(545)
MLV 120-2 to MLV 121-2: Anomaly Remediation (6/7/2025 - 6/28/2025) Sta 114 Catlettsburg: C Building Motor Cleaning & Inspection (6/2/2025 - 6/6/2025)
Sta 114 Catlettsburg: Substation Inspection (6/2/2025 - 6/6/2025)
Sta 118A Tyler Mountain: Unit 1A - 4k Hr Inspection (6/9/2025 - 6/11/2025)
1716
(111)
1701
(126)
1721
(106)
1736
(91)
MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/2/2025)
MLV 204-2 to MLV 205-2: Anomaly Remediation (6/6/2025 - 6/21/2025) MLV 209-2 to MLV 204-2: Pig Runs - Cleaning Gauge 7/15/25 (6/3/2025) MLV 209-2 to MLV 204-2: Pig Runs - MFL-A Combo 7/17/25 (6/5/2025)
MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025) Sta 204: Unit 11A - Compressor Inspection (6/16/2025 - 6/27/2025)
Sta 209: Unit 5A - Turbo Replacement (6/9/2025 - 6/12/2025)
Station 237
(segment 237 FH)
1,017
930
(87)
Sta 237: Unit 3A - Unit 3A Device Tests (6/26/2025)
785
(212)
Sta 241: Annual ESD Test (6/17/2025)
Sta 241: Point to Point and Trans Cals (6/18/2025)
1050
(163)
MLV 259-1 to MLV 260-1: Anomaly Remediation (6/23/2025 - 7/19/2025)
(11)
Sta 261: Unit 4A - Compressor Rod Packing (M) (6/10/2025 - 6/12/2025)
Station 266A (segment 282 FH)
371
350
MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M)
(6/17/2025 - 6/26/2025)
125
MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cal / IMU 6/10/25 (M)
(6/10/2025)
MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cleaning / Gauge 6/9/25 (M) (6/9/2025)
MLV 270B-104B TO MLV 270B-105A: Pig Runs - MFL-C 6/12/25 (M) (6/12/2025)
MLV 270B-105B TO MLV 270B-106: Pig Runs - Cleaning / Gauge 6/17/25 (M) (6/17/2025)
MLV 270B-105B TO MLV 270B-106: Pig Runs - MFL-A / Cal /IMU Combo 6/18/25 (M) (6/18/2025)
Tewksbury
Incremental Lateral (segment 285 FH)
34
17
(17)
MLV 270B-101.1 TO MLV 270B-103: Pig Runs - Cleaning / Gauge 6/3/25 (M)
(6/3/2025)
MLV 270B-101.1 TO MLV 270B-103: Pig Runs - MFL-C / Cal / IMU Combo 6/4/25 (M) (6/4/2025)
1,148
(308)
1015
(133)
MLV 219-2 to MLV 301-1: Anomaly Remediation (6/16/2025 - 6/28/2025)
Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 6/13/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 6/13/2025) Sta 307: Unit 5A - Engine Testing (6/16/2025 - 6/20/2025)
Sta 310: Unit 1A - Water Wash & Borescope (6/17/2025 - 6/18/2025)
Station 317
(segment 317 BH)
1,579
1445
(134)
Sta 315: Unit 1B - Water Wash & Borescope (6/9/2025 - 6/10/2025)
Sta 315: Unit 2A - Water Wash & Borescope (6/11/2025 - 6/12/2025)
Station 321
(segment 321 FH)
2,102
1630
(472)
Sta 321: Station Valves for ESD System (6/12/2025)
1410
(357)
Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025)
MLV 336 East
(segment 336 FH)
153
0
MLV 339-1: ECDA (M) (6/16/2025 - 6/29/2025)
Station 261
South 300 Line
(segment 355 FH)
221
(221)
MLV 347-1 to MLV 349-1: Bypass to 348-1 ECDA (6/9/2025 - 6/15/2025)
(segment 355 BH)
47
(47)
MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)
Station 224
(segment 224 FH)
389
290
(99)
Sta 224: Annual ESD Test (6/10/2025 - 6/11/2025)
July 2025 (updated 05/22/25)
(6/30 - 7/6)
(7/7 - 7/13)
(7/14 - 7/20)
(7/21 - 7/27)
Week 5
(7/28 - 8/3)
702
(326)
MLV 8-1 to MLV 9-1: Anomaly Remediation  (6/3/2025 - 7/2/2025)
MLV 8-3 to MLV 9-3: Anomaly Remediation  (7/21/2025 - 8/8/2025)
MLV 17-2D to MLV 20-2A: Anomaly Remediation (7/7/2025 - 7/11/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (6/10/2025 - 7/3/2025)
MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/8/2025 -
7/24/2025)
587
(325)
MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/30/2025 - 8/12/2025)
MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/16/2025 - 7/29/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)
Carthage Lateral (segment 700 FH)
323
175
(148)
Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025)
(235)
1036
(140)
1016
(160)
1001
(175)
MLV 40-3 to MLV 47-3: Pig Run - EMAT 7/9/25 (M) (7/9/2025)
MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-2A to MLV 48-2: Anomaly Remediation (M) (7/21/2025 - 7/30/2025) MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025)  MLV 53-2 TO MLV 53-2CBR: Anomaly Remediation (7/30/2025 - 8/8/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - AFD 7/22/25 (7/22/2025)
MLV 54-4D TO MLV 63-4S: Pig Runs - Caliper 7/17/25 Â (7/17/2025)
MLV 54-4D TO MLV 63-4S: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - EMAT 7/24/25 (7/24/2025)
Sta 47: B Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: C Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: D Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: E Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: Transformer Inspection (7/7/2025 - 7/11/2025)
Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025) Sta 63: Unit 2D - Safety Device Checks (7/1/2025 - 7/3/2025)
1125
(108)
1105
(128)
1085
MLV 71-1D to MLV 77-1A: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025)
MLV 71-1D to MLV 77-1A: Pig Runs - MDS 7/17/25 Â (7/17/2025)
MLV 82-2C to MLV 87-2S: Pig Runs - Cleaning / Gauge 7/29/25 (7/29/2025) MLV 82-2C to MLV 87-2S: Pig Runs - MDS 7/31/25 (7/31/2025)
MLV 82-4C to MLV 83-4: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 84-4 to MLV 85-4: Anomaly Remediation (7/7/2025 - 7/12/2025)
Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 -
8/15/2025)
1511
MLV 557-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 558-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) Sta 550: Unit 2A - Compressor/Engine Overhaul (7/21/2025 - 8/15/2025) Sta 550: Unit 3A - Turbocharger Exchange & Engine Overhaul (6/9/2025 - 7/18/2025)
MLV 560-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 561-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 562-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 563-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 564-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) Sta 860: Force Majeure (8/18/2023 - TBD)
Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)
Sta 860: Unit 6A - Electronic Bearing System (6/30/2025 - 7/3/2025)
1935
(710)
2375
(270)
2295
(350)
MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 -
8/16/2025)
MLV 106-1D to MLV 111-7BR: Make Piggable Valve MLV 107-7 & MLV 109-7 Replacements (M) (6/8/2025 - 7/19/2025)
MLV 108-3 to MLV 109-3: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-5 to MLV 109-5A: Class Change Pipe Replacement (7/14/2025 - 7/31/2025)
MLV 110-2 to MLV 106-2: Pig Runs - Cleaning / Gauge 7/7/25 (7/7/2025) MLV 110-2 to MLV 106-2: Pig Runs - ROSEN MFL-A 7/8/25 (7/8/2025)
MLV 110-2 to MLV 106-2: Pig Runs - TDW Caliper 7/10/25 (7/10/2025)Â MLV 871-2 to MLV 871-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 871-2A to MLV 872-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 872-1 to MLV 873-1: Anomaly Remediation (7/14/2025 - 7/25/2025) MLV 872-2 to MLV 873-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 873-2 to MLV 873-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 875-1 to MLV 876-1R: Anomaly Remediation (7/14/2025 - 7/25/2025) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)
MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 87: Unit 1E - Anchor Bolt Repairs (7/8/2025 - 7/14/2025)
Sta 87: Unit 2E - Anchor Bolt Repairs  (7/14/2025 - 7/21/2025)
700
(220)
800
(120)
Sta 114 Catlettsburg: Annual ESD Test (7/7/2025 - 7/9/2025)
Sta 114: Unit 1D - Turbine Swap (7/14/2025 - 7/19/2025)
1724
1335
(492)
1791
(36)
1654
(173)
MLV 204-2 to MLV 200-2: Pig Runs - Cleaning / Gauge 7/29/25 (M) (7/29/2025)
MLV 204-2 to MLV 200-2: Pig Runs - MFL-A Combo 7/31/25 (M) (7/31/2025)
MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025) MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025)
MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) Sta 200 Greenup: Annual ESD Test (7/14/2025 - 7/18/2025)
Sta 200: Unit 11A - Engine Inspection (7/7/2025 - 7/10/2025) Sta 200: Unit 6A - Engine Inspection  (6/30/2025 - 7/3/2025)
Sta 204: Unit 1A - Change Bearing Fuses (6/30/2025 - 7/1/2025) Sta 204: Unit 2A - Change Bearing Fuses (7/7/2025 - 7/8/2025) Sta 204: Unit 5A - Change Bearing Fuses (7/9/2025 - 7/10/2025) Sta 214: Annual ESD Test & Maintenance (7/14/2025 - 7/18/2025)
Station 219 to
(Segment 219 FH)
540
445
(95)
Sta 219: Unit 1A to 6A - Protective Device Checks (7/14/2025 - 7/18/2025)
Station 230C (segment 296 FH)
743
570
Station 230C: Annual ESD (M) (7/16/2025 - 7/17/2025)
935
(62)
Sta 241: Unit 3A - Device and Relief Valve Tests (7/15/2025 - 7/16/2025)
MLV 265
(segment 265 FH)
767
390
(377)
MLV 264-2 to 264-2A: Pipe Replacement (7/15/2025 - 7/30/2025)
345
(26)
MLV 266A-102A TO MLV 266A-104A: Pig Runs - Cleaning / Gauge 7/22/25 (M)
(7/22/2025)
MLV 266A-102A TO MLV 266A-104A: Pig Runs - MFL-A / Cal / IMU Combo 7/23/25 (M) (7/23/2025)
Fitchburg Lat to Gloucester (segment 268 FH)
202
140
MLV 267-1A to MLV 268-1: Anomaly Remediation (7/14/2025 - 7/19/2025)
MLV 270-1A to MLV 270-101.1R: Anomaly Remediation (7/21/2025 - 7/26/2025)
1133
(43)
Sta 219: Unit 7A to 13A - Protective Device Checks (7/14/2025 - 7/18/2025)
Sta 307: Unit 1A - Protective Device Checks (7/21/2025 - 7/22/2025) Sta 307: Unit 2A - Protective Device Checks (7/23/2025 - 7/25/2025) Sta 307: Unit 3A - Protective Device Checks (7/28/2025 - 7/29/2025) Sta 307: Unit 4A - Protective Device Checks (7/30/2025 - 8/1/2025)
1290
(289)
MLV 317-1 to MLV 318-1: Hot Tap for New Meter (Meter: Port Royal PIN: 57162)
(M) (7/14/2025 - 7/15/2025)
MLV 317-2 to MLV 318-2: Hot Tap for New Meter (Meter: Port Royal PIN: 57162) (M) (7/16/2025 - 7/17/2025)
1965
(137)
MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025)
1200
(567)
MLV 327-2B to MLV 328-2: Anomaly Remediation (7/21/2025 - 7/26/2025)
690
Sta 405A: Annual ESD Test (7/8/2025)
Sta 405A: Filter / Scrubber Change (7/9/2025) Sta 405A: Point to Point and Trans Cals (7/9/2025) Sta 405A: Unit Protective Device Tests (7/9/2025)
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.
August 2025 (updated 05/22/25)
(8/4 - 8/10)
(8/11 - 8/17)
(8/18 - 8/24)
(8/25 - 8/31)
(583)
MLV 17-2S to MLV 9-2D: Pigging Cleaning Run 1 (M) (8/28/2025)
MLV 8-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)
MLV 21-1 to MLV 22-1: Meter Upgrade (Meter: Tomball PIN: 420898) (M)
(8/11/2025 - 8/22/2025)
MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (8/18/2025 -
9/6/2025)
777
(135)
Sta 40: HP Replacement - 500C1 Mod (8/4/2025 - 8/9/2025)
Sta 40: HP Replacement - 500C1 Mod & 1C KN Line (8/22/2025 - 8/30/2025)
Station 40 North
(segment 140 FH)
951
(225)
1006
(170)
Sta 40: HP Replacement - 500C1 Mod & 1C 100 Line (8/22/2025 - 8/30/2025)
Sta 40: HP Replacement - Bldg C Mod (8/13/2025 - 8/18/2025)
1,177
852
1172
952
MLV 47-1A to MLV 48-1: Class Change (6/2/2025 - 11/30/2025)
MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) MLV 51-3 to MLV 52-3: Anomaly Remediation (8/25/2025 - 8/29/2025) MLV 52-2 to MLV 53-2: Anomaly Remediation (8/11/2025 - 8/29/2025) MLV 53-2 TO MLV 53-2CBR: Anomaly Remediation (7/30/2025 - 8/8/2025) MLV 53-3 to MLV 53-3CR: Anomaly Remediation (8/25/2025 - 8/29/2025)
Sta 54: Substation Inspection (8/4/2025 - 8/8/2025)
660
(573)
Sta 63 Batesville: Annual ESD Test (8/27/2025)
Sta 847 Coffeeville: Annual ESD Test (8/27/2025 - 8/28/2025)
1265
(332)
MLV 540-1 to MLV 540-1A: Anomaly Remediation (8/19/2025 - 8/28/2025)
MLV 541-1 to MLV 541-1A: Anomaly Remediation (8/19/2025 - 9/7/2025) Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)
(596)
MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning 8/19/25 (8/19/2025)
MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 8/21/25 (8/21/2025)
Sta 550: Unit 2A - Compressor/Engine Overhaul (7/21/2025 - 8/15/2025)
TGP - Outage Impact Report August 2025 (updated 05/22/25)
MLV 861-1 to MLV 862-1: Install New 30" Valve 861-1A (8/18/2025 - 8/30/2025)
Sta 860: Force Majeure (8/18/2023 - TBD)
2460
(185)
MLV 871-2 to MLV 871-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 871-2A to MLV 872-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 872-2 to MLV 873-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 873-2 to MLV 873-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)
Sta 106 Clay City: Upgrade B Building Jacket Water System (8/4/2025 -
8/8/2025)
780
Sta 119A Tyler Mountain: Unit 1A - 4k Hr Inspection (8/25/2025 - 8/27/2025)
Station 200
(segment 200 BH)
1,765
1760
MLV 111-3B to MLV 112-3: Make Piggable (8/4/2025 - 8/25/2025)
1501
1481
(346)
MLV 204-2 to MLV 200-2: Pig Runs - EMAT 8/12/25 (M) (8/12/2025)
MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 8/7/25 (M) (8/7/2025)
MLV 204-2 to MLV 200-2: Pig Runs - Residual 8/5/25 (M) (8/5/2025) MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025)
MLV 214-1 to MLV 209-1: Pig Re-Runs - EMAT 8/26/25 (8/26/2025)
MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) MLV 219-4 to MLV 214-4: Pig Runs - Cleaning / Gauge 8/19/25 (8/19/2025) MLV 219-4 to MLV 214-4: Pig Runs - EMAT 8/26/25 (8/26/2025)
MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 8/21/25 (8/21/2025)
925
(92)
557
(460)
MLV 236-1 to MLV 237-1BR: Special Permit Replacement (M) (8/11/2025 -
9/12/2025)
Station 237: Annual ESD Test (8/5/2025) Station 237: Point to Point and Trans Cals (8/6/2025)
(72)
Sta 241: Unit 1A - Device and Relief Valve Tests (8/11/2025)
Sta 241: Unit 1B - Device and Relief Valve Tests (8/13/2025) Sta 241: Unit 2A - Device and Relief Valve Tests (8/12/2025) Sta 241: Unit 2B - Device and Relief Valve Tests (8/14/2025)
450
(317)
MLV 263-2 to 264-2: Pipe Replacement (8/12/2025 - 8/30/2025)
185
MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (8/4/2025 -
8/22/2025)
750
(218)
Sta 219: Annual ESD Test (8/4/2025 - 8/7/2025)
Sta 219: Unit 13A - Mounting Valve Operators / Testing (8/4/2025 - 8/7/2025) Sta 219: Unit 13A - Unit Valve Replacement (8/4/2025 - 8/7/2025)
Sta 219: Unit 1B - Protective Device Checks (8/4/2025 - 8/7/2025) Sta 307 (Pigeon ): Annual ESD Test (8/4/2025 - 8/8/2025)
Sta 307: Unit 5A - Protective Device Checks (8/4/2025 - 8/5/2025) Sta 307: Unit 6A - Protective Device Checks (8/6/2025 - 8/8/2025) Sta 313 Coudersport: Annual ESD Test (8/19/2025 - 8/21/2025)