TGP - Outage Impact Report Seven Day Forecast (updated 05/01/25)
-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
(5/5)
Tuesday
(5/6)
Wednesday
(5/7)
Thursday
(5/8)
Friday
(5/9)
Saturday
(5/10)
Sunday
(5/11)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409
(Donna Line) (segment 490 FH)
564
354
(210)
Sta 409: Annual ESD Test & Maintenance (5/7/2025 - 5/9/2025)
Station 1
(segment 101 BH)
400
Station 9
(segment 109 FH)
980
840
(140)
MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/18/2025 - 6/3/2025)
Station 17
(segment 117 FH)
758
753
(5)
688
(70)
MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD) MLV 21-3 to MLV 21-3A: Anomaly Remediation (5/5/2025 - 5/9/2025)
MLV 24-2 to MLV 25-2S: Pig Run - Cleaning / Gauge 5/6 to 5/8 (5/6/2025 - 5/8/2025)
MLV 24-2 to MLV 25-2S: Pig Run - Combo ILI 5/9 (5/9/2025)
Station 25
(segment 125 FH)
714
609
(105)
MLV 25-3D to MLV 27-3: Anomaly Remediation (M) (4/10/2025 - 5/6/2025)
Station 40 South
(segment 132 FH)
912
777
(135)
647
(265)
MLV 36-1TX to MLV 36-1LA: Pig Run - Maintenance (5/6/2025) MLV 37-2 to MLV 38-2: Anomaly Remediation (4/14/2025 - 5/16/2025) MLV 38-2 to MLV 39-2: Anomaly Remediation (4/28/2025 - 5/16/2025)
Station 47
(segment 143 FH)
1,181
946
(235)
966
(215)
961
(220)
1076
1031
(150)
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 54-2D TO MLV 63-2S: Pig Runs - Cleaning / Gauge 5/07/25 (5/7/2025) MLV 54-2D TO MLV 63-2S: Pig Runs - MFL-A 5/09/25 (5/9/2025)
MLV 59-4 to MLV 60-4: Shallow Pipe Lowering (4/25/2025 - 5/5/2025) MLV 60-4 to MLV 61-4: Shallow Pipe Lowering (5/5/2025 - 5/15/2025) Sta 47: B Building - Clean Motor Control Center (5/5/2025 - 5/7/2025) Sta 47: C Building - Clean Motor Control Center (5/5/2025 - 5/7/2025) Sta 47: D Building - Clean Motor Control Center (5/5/2025 - 5/7/2025) Sta 47: E Building - Clean Motor Control Center (5/5/2025 - 5/7/2025) Sta 47: Transformer Inspection (5/5/2025 - 5/7/2025)
Sta 54: Unit 2D - Replace Excitation Panels - Siemens Electric (5/5/2025 - 5/9/2025)
Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/7/2025 - 6/6/2025)
Station 63
(segment 163 FH)
1,233
948
(285)
945
(288)
MLV 63-2D to MLV 69-2: Pig Runs - EMAT 5/8/25 (5/8/2025) MLV 63-2D to MLV 69-2: Pig Runs - MFL-C 5/6/25 (5/6/2025)
Sta 79 Lobelville: Annual ESD Test (5/6/2025)
Station 823
(segment 823 BH)
686
414
(272)
Sta. 823 (Kinder): Annual ESD Test (5/6/2025 - 5/8/2025)
Station 834
(segment 834 BH)
679
670
(9)
Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)
Station 523
(segment 523 FH)
329
0
(329)
MLV 523-AD2: MLV Replacement (5/1/2025 - 5/12/2025)
Station 527
(segment 527 BH)
1,565
1240
(325)
Sta. 527 Port Sulphur: Annual ESD Test (5/6/2025)
Station 534
(segment 534 BH)
1,859
1840
(19)
MLV 538-1 to MLV 539-1: Meter Station Maintenance (Meter Heidelberg PIN 420291) (M) (5/5/2025 - 5/6/2025)
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)
Station 860
(segment 548 BH)
1,516
1495
(21)
Sta 555: Unit 1A - Engine Maintenance (5/5/2025 - 5/9/2025) Sta 555: Unit 2A - Air Manifold Pressure (4/14/2025 - 5/30/2025)
Station 860 North (Segment 860
BH)
1,793
1693
(100)
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
2530
(115)
MLV 106-4 to MLV 108-4: PHMSA Immediate Anomaly Remediation (3/26/2025 - 5/17/2025)
MLV 108-4 to MLV 109-4: Anomaly Remediation (4/28/2025 - 5/17/2025) MLV 109-4 to MLV 110-4: Anomaly Remediation (5/5/2025 - 5/17/2025)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 5/31/2025) Sta 106: Unit 2B- RV Failure (3/26/2025 - 5/15/2025)
Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025)
Station 114
(segment 114 BH)
920
(80)
MLV 115-2A to MLV 116-2: Anomaly Remediation (5/7/2025 - 5/17/2025) MLV 121-1 to MLV 118-1: Pig Re-Runs - Caliper 5/6/25 (M) (5/6/2025)
Station 204
(Segment 204 BH)
1,827
1318
(509)
1781
(46)
MLV 205-2 to MLV 206-2: Anomaly Remediation (5/5/2025 - 5/10/2025) MLV 207-2 to MLV 208-2: Anomaly Remediation (5/5/2025 - 5/10/2025) Sta 204: Annual ESD Test & Maintenance (5/5/2025 - 5/9/2025)
Sta 209: Unit 13A - Crankcase Inspection (5/5/2025 - 5/9/2025)
Station 245
(segment 245 FH)
997
480
(517)
MLV 245-2 TO MLV 249-2: Pig Runs - Cleaning / Gauge 5/6/25 (M) (5/6/2025) MLV 245-2 TO MLV 249-2: Pig Runs - MFL-A / Cal / IMU Combo 5/7/25 (M) (5/7/2025)
MLV 256 West (segment 249
FH)
1,213
1035
(178)
Sta 249: Unit 1A - Crankcase Inspection (4/28/2025 - 5/9/2025)
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
941
Fitchburg Lat to Gloucester (segment 268
202
185
(17)
MLV 270C-100: ECDA (M) (5/3/2025 - 5/16/2025)
Station 307
(segment 307 BH)
1,149
1131
(18)
Sta 219: Unit 10A - Unit Valve Replacement (5/5/2025 - 6/6/2025) Sta 219: Unit 11A - Unit Valve Replacement (5/5/2025 - 6/6/2025)
Station 315
(segment 315 BH)
1,854
Station 321
(segment 321 FH)
2,102
2052
(50)
Sta 321: Unit 5B - Emergent Repair (2/20/2025 - TBD)
MLV 324
(segment 324 FH)
1,767
Station 405 HC Line (segment 299
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 May 2025 (updated 05/01/25)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
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)
Primary Outage(s)
Station 409 (Donna Line) (segment 490
815
(165)
770
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) MLV 5-2 to MLV 9-2S: Pig Runs - Cleaning 5/27/25 (M) (5/27/2025)
MLV 5-2 to MLV 9-2S: Pig Runs - MFL-A 5/29/25 (M) (5/29/2025)
718
(40)
MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)
MLV 20-1A to MLV 24-1A: Anomaly Remediation (5/26/2025 - 6/13/2025) MLV 22-3 to MLV 23-3: Anomaly Remediation (5/12/2025 - 5/16/2025)
709
554
(160)
MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (5/19/2025 - 6/6/2025)
MLV 25-3 to MLV 32-3: Pig Run - Maintenance (5/27/2025)
797
737
(175)
MLV 32-2 to MLV 33-2: Anomaly Remediation (5/26/2025 - 6/13/2025) MLV 34-2 to MLV 35-2: Anomaly Remediation (5/19/2025 - 5/30/2025) MLV 35-2 to MLV 36-2: Anomaly Remediation (5/19/2025 - 5/23/2025) MLV 37-2 to MLV 38-2: Anomaly Remediation (4/14/2025 - 5/16/2025) MLV 38-2 to MLV 39-2: Anomaly Remediation (4/28/2025 - 5/16/2025)
MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025)
1176
896
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) MLV 60-4 to MLV 61-4: Shallow Pipe Lowering (5/5/2025 - 5/15/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/7/2025 -
6/6/2025)
910
(323)
1090
(143)
MLV 63-4 to MLV 64-4: Shallow Pipe Lowering (5/19/2025 - 5/23/2025) Sta 71 Middleton: Annual ESD Test (5/14/2025 - 5/15/2025)
215
(471)
Sta 827 to Sta 823: Pig Run - Maintenance (M) (5/20/2025) Sta 834 to Sta 827: Maintenance Pig (M) (5/20/2025)
Station 827 (Alexandria): Annual ESD and Maintenance (5/19/2025 - 5/21/2025)
Station 847
(segment 847 BH)
284
210
(74)
MLV 843-1 TO MLV 847-1: Pig Runs - AFD 5/20/25 (5/20/2025) MLV 843-1 TO MLV 847-1: Pig Runs - Caliper 5/15/25 (5/15/2025)
MLV 843-1 TO MLV 847-1: Pig Runs - Cleaning / Gauge 5/13/25 (5/13/2025) MLV 843-1 TO MLV 847-1: Pig Runs - EMAT 5/22/25 (5/22/2025)
1345
MLV 533-1 to MLV 533-1: Hot Tap for Meter Upgrade (Meter: Carnes PIN: 420366) (M) (5/26/2025 - 5/31/2025)
MLV 533-2 to MLV 533-2: Hot Tap for Meter Upgrade (Meter: Carnes PIN:
420366) (M) (5/26/2025 - 5/31/2025)
MLV 538-1 to MLV 539-1: Meter Station Maintenance (Meter Heidelberg PIN 420291) (M) (5/15/2025 - 5/16/2025)
Sta 555: Unit 2A - Air Manifold Pressure (4/14/2025 - 5/30/2025) Sta 555: Unit 2A - Engine Maintenance (5/19/2025 - 5/23/2025) Sta 555: Unit 3A - Engine Maintenance (5/27/2025 - 5/29/2025)
Sta 555: Unit 6A - Engine Maintenance (5/12/2025 - 5/16/2025)
2630
(15)
2275
(370)
MLV 106-4 to MLV 108-4: PHMSA Immediate Anomaly Remediation (3/26/2025
- 5/17/2025)
Sta 106: Unit 6B - Engine Inspection (5/15/2025 - 5/30/2025)
Sta 110 Morehead: Annual ESD Test & Substation Inspection (5/27/2025 - 5/30/2025)
MLV 115-2A to MLV 116-2: Anomaly Remediation (5/7/2025 - 5/17/2025)
MLV 115-3 to MLV 116-3: Anomaly Remediation (M) (5/17/2025 - 5/25/2025) MLV 116-3 to MLV 117-3: Anomaly Remediation (5/25/2025 - 6/6/2025) MLV 117-3 to MLV 118-3: Anomaly Remediation (5/26/2025 - 6/8/2025)
Sta 119A Tyler Mountain: Unit 1A - 4k Hr Inspection (5/12/2025 - 5/14/2025)
Station 200
(segment 200 BH)
1,765
1225
(540)
MLV 200-2 to MLV 110-4: Pig Re-Runs - EMAT 5/13/25 (5/13/2025)
1566
(261)
1782
(45)
1717
(110)
MLV 204-2 to MLV 205-2: Anomaly Remediation (5/19/2025 - 6/1/2025) 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)
Sta 209 Cambridge: Annual ESD Test & Maintenance (5/12/2025 - 5/16/2025)
Station 230C (segment 296
743
390
(353)
MLV 230B-201 to MLV 230B-207: Pig Run - Maintenance Cleaning 5/20 - 5/22 (5/20/2025 - 5/22/2025)
Station 237
(segment 237 FH)
1,017
905
(112)
Sta 233: Annual ESD Test (5/20/2025)
Sta 233: Point to Point and Trans Cals (5/21/2025)
465
(532)
835
(162)
975
(22)
Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)
Sta 245 West Winfield: Annual ESD Test (5/13/2025 - 5/14/2025) Sta 245: Unit 1C - Water Wash & Borescope (5/12/2025 - 5/23/2025) Sta 245-1 to MLV 249-1: Pig Run - Maintenance (5/13/2025)
Sta 249: Unit 2B - Compressor Rod & Packing Replacement (5/19/2025 -
5/23/2025)
MLV 256 West
(segment 249 FH)
1140
(73)
Sta 249: Unit 2A - Engine Maintenance (5/12/2025 - 5/16/2025)
Station 261 Discharge East (segment 261 FH)
(271)
Sta 261: Unit 1C - 4K Maintenance Activity and Water Wash (5/12/2025 - 5/13/2025)
Sta 261: Unit 2D - Water Wash (5/16/2025)
Sta 261: Unit 5A - 4K Maintenance Activity and Water Wash (5/14/2025 - 5/15/2025)
940
(209)
Sta 219: Unit 10A - Unit Valve Replacement (5/5/2025 - 6/6/2025) Sta 219: Unit 11A - Unit Valve Replacement (5/5/2025 - 6/6/2025) Sta 303A: Annual ESD Test & Maintenance (5/26/2025 - 5/30/2025)
Sta 303A: Unit 1A - Protective Device Checks (5/26/2025 - 5/30/2025)
Sta 303A: Unit 1A - Water Wash (5/19/2025 - 5/20/2025)
1430
(424)
Sta 315 Wellsboro: Annual ESD Test (5/19/2025 - 5/23/2025)
Sta 315 Wellsboro: Station Blowdown Silencer (5/19/2025 - 5/23/2025)
Station 224
(segment 224 FH)
389
220
(169)
Sta 229: Annual ESD Test & Maintenance (5/14/2025 - 5/15/2025)
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.
TGP - Outage Impact Report June 2025 (updated 05/01/25)
(6/2 - 6/8)
(6/9 - 6/15)
(6/16 - 6/22)
(6/23 - 6/29)
780
(200)
650
(330)
950
(30)
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 8-1 to MLV9-1: Anomaly Remediation (6/3/2025 - 7/2/2025)
603
(155)
MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/16/2025 - 7/4/2025) MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)
MLV 20-1A to MLV 24-1A: Anomaly Remediation (5/26/2025 - 6/13/2025)
MLV 25-2 to MLV 26-2: Anomaly Remediation (6/10/2025 - 6/17/2025)
MLV 32-2 to MLV 33-2: Anomaly Remediation (5/26/2025 - 6/13/2025) MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (6/22/2025 - 7/15/2025)
Station 40 KN South (segment 501
268
200
(68)
Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (6/24/2025)
1,176
776
(400)
921
(255)
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 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)
1155
(78)
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)
(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)
1575
1500
(16)
503
(1013)
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 5A - Engine Maintenance (6/2/2025 - 6/5/2025)
Station 860 North (Segment 860 BH)
1460
(333)
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 Joelton: Scrubber/Filter Separator cleaning & Inspection - Units 1A & 2A (6/16/2025 - 6/20/2025)
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)
2235
(410)
1930
(715)
2150
(495)
2325
(320)
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 (6/16/2025 - 6/21/2025) Sta 106 Clay City: Annual ESD Test & Maintenance (6/2/2025 - 6/6/2025) Sta 106 Clay City: Upgrade B Building Jacket Water System (6/2/2025 - 6/6/2025)
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)
570
(350)
300
(620)
375
(545)
MLV 116-3 to MLV 117-3: Anomaly Remediation (5/25/2025 - 6/6/2025) MLV 117-3 to MLV 118-3: Anomaly Remediation (5/26/2025 - 6/8/2025)
MLV 119-2BL to MLV 119-2A: Anomaly Remediation (M) (6/21/2025 - 6/28/2025) MLV 120-2 to MLV 121-2: Anomaly Remediation (6/7/2025 - 6/28/2025)
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)
1557
(270)
1757
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 214: Annual ESD Test & Maintenance (6/9/2025 - 6/13/2025)
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 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/21/2025) 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
(371)
MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M) (6/2/2025
- 6/11/2025)
Tewksbury Incremental Lateral (segment 285
34
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
1130
925
(223)
Sta 219: Unit 10A - Unit Valve Replacement (5/5/2025 - 6/6/2025)
Sta 219: Unit 11A - Unit Valve Replacement (5/5/2025 - 6/6/2025) 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)
1815
(287)
Sta 321: Station Valves for ESD System (6/12/2025) Sta 321: Unit 5B - Emergent Repair (2/20/2025 - TBD)
Station 261
South 300 Line
(segment 355 BH)
47
(47)
MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)
290
(99)
Sta 224: Annual ESD Test (6/10/2025 - 6/11/2025)
TGP - Outage Impact Report July 2025 (updated 05/01/25)
(6/30 - 7/6)
(7/7 - 7/13)
(7/14 - 7/20)
(7/21 - 7/27)
(7/28 - 8/3)
660
MLV 4-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025) MLV 8-1 to MLV9-1: Anomaly Remediation (6/3/2025 - 7/2/2025)
348
MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/16/2025 - 7/4/2025) MLV 17-2D to MLV 20-2A: Anomaly Remediation (7/7/2025 - 7/11/2025)
587
MLV 39-2 to MLV 40-2S: Anomaly Remediation (6/22/2025 - 7/15/2025) MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/16/2025 - 8/15/2025)
Carthage Lateral
(segment 700 FH)
323
175
(148)
Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025)
1036
1016
1001
MLV 40-3 to MLV 47-3: Pig Run - EMAT 7/15/25 (M) (7/15/2025)
MLV 41-2 to MLV 42-2: Anomaly Remediation (8/1/2025 - 9/1/2025) 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 47-2A 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 (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: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025)
1170
(63)
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 (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)
1511
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 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)
1875
(770)
2370
(275)
MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 -
8/16/2025)
MLV 107-3 to MLV 108-3: Anomaly Remediation (7/14/2025 - 7/27/2025) MLV 108-3 to MLV 109-3: Anomaly Remediation (7/28/2025 - 8/10/2025) MLV 109-5 to MLV 109-5A: Class Change Pipe Replacement (7/14/2025 - 7/31/2025)
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)
700
Sta 114 Catlettsburg: Annual ESD Test (7/7/2025 - 7/9/2025)
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)
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: 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 259-1 to MLV 260-1: Anomaly Remediation (6/23/2025 - 7/19/2025)
Station 266A (segment 282 FH)
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)
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
1105
(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)
1755
(347)
MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025) Sta 321: Unit 5B - Emergent Repair (2/20/2025 - TBD)
1200
(567)
MLV 327-2B to MLV 328-2: Anomaly Remediation (7/21/2025 - 7/26/2025)
MLV 336 East
(segment 336 FH)
153
(153)
MLV 339-1: ECDA (M) (7/7/2025 - 7/20/2025)
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)
TGP - Outage Impact Report August 2025 (updated 05/01/25)
(8/4 - 8/10)
(8/11 - 8/17)
(8/18 - 8/24)
(8/25 - 8/31)
MLV 4-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)
MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/16/2025 - 8/15/2025)
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
847
1172
952
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 & Replace Insulator Bushing on Transformer
(8/4/2025 - 8/8/2025)
(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)
1160
(356)
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)
MLV 861-1 to MLV 862-1: Install New 30" Valve 861-1A (8/18/2025 - 8/30/2025)
2375
2460
(185)
MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025)
MLV 108-3 to MLV 109-3: Anomaly Remediation (7/28/2025 - 8/10/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (8/11/2025 - 8/24/2025) 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)
1760
MLV 110-3 to MLV 111-3A: Anomaly Remediation (8/25/2025 - 8/31/2025) MLV 111-3B to MLV 112-3: Make Piggable (8/4/2025 - 8/25/2025)
1501
(326)
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 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)
(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)
MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (8/4/2025 - 8/22/2025)
750
(398)
(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)