-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 01/23/25)
-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
(1/27)
Tuesday
(1/28)
Wednesday
(1/29)
Thursday
(1/30)
Friday
(1/31)
Saturday
(2/1)
Sunday
(2/2)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
586
Station 1
(segment 101 BH)
438
Station 9
(segment 109 FH)
1,035
Station 17
(segment 117 FH)
814
739
(75)
MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)
Station 25
(segment 125 FH)
772
Station 40 South
(segment 132 FH)
970
890
(80)
585
(385)
575
(395)
MLV 32-1D to MLV 36-1TXR: Pig Run - Pipecare EMAT 1/29/25 (1/29/2025) MLV 32-1D to MLV 36-1TXR: Pig Run - Rosen EMAT 1/27/25 (1/27/2025)
MLV 40-2SH, 40-3SH, 40-2S and 40-3S: Replace Actuators (1/28/2025 - 1/29/2025)
Station 47
(segment 143 FH)
1,207
1202
(5)
MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025)
Station 63
(segment 163 FH)
1,281
1221
(60)
MLV 84-3 to MLV 85-3: Class Change (10/31/2024 - 1/31/2025)
Station 823
(segment 823 BH)
711
Station 834
(segment 834 BH)
700
685
(15)
Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 2/21/2025) Sta 834: Unit 7A - Engine Inspection (1/27/2025 - 1/31/2025)
MLV 548
(segment 542 BH)
1,667
1625
(42)
Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025) Sta 546: Unit 7A - Oil Pump (10/22/2024 - 2/28/2025)
Station 860
(segment 548 BH)
1,593
1583
(10)
Sta 555: Unit 4A - Compressor Overhaul (1/25/2025 - 3/7/2025)
Station 860 North (Segment 860 BH)
1,891
1781
(110)
1791
(100)
MLV 560-1 to MLV 561-1: Class Change (11/4/2024 - 1/31/2025)
Sta 860: Force Majeure (8/18/2023 - TBD)
Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 2/14/2025)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,761
2645
(116)
2665
(96)
MLV 108-4 to MLV 109-4: Immediate Anomaly Remediation (12/29/2024 - 2/28/2025)
MLV 97-1 to MLV 100-1: Emergent Anomaly Remediation (1/7/2025 - 2/1/2025) MLV100-1A to MLV 101-1: Emergent Anomaly Remediation (1/7/2025 - 2/15/2025)
Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025) Sta 87: Unit 5C - Foundation Regrout (8/26/2024 - 2/7/2025)
Station 114
(segment 114 BH)
953
Station 204
(Segment 204 BH)
1,894
1704
(190)
1836
(58)
1871
(23)
MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 - 3/15/2025)
Sta 200: Unit 10A - Crankcase Inspections (1/27/2025 - 1/31/2025) Sta 204: Unit 2A - Inspect P1 & P2 and all inner coolers (1/27/2025 - 1/31/2025)
Sta 209: Unit 1A - Bob Weight Inspection at #4 & #5 Main & Crankcase Inspection (1/13/2025 - 1/30/2025)
Sta 209: Unit 2A - Compressor Packing (1/22/2025 - 1/31/2025)
Station 245
(segment 245 FH)
1,057
1025
(32)
Sta 241: Unit 1B - 2k hr Maintenance (1/28/2025) Sta 241: Unit 2B - 2k hr Maintenance (1/29/2025)
Station 261 Discharge East (segment 261 FH)
1,051
Station 307
(segment 307 BH)
1,221
1030
(191)
Sta 307: Station Generator Swap (1/28/2025)
Station 315
(segment 315 BH)
1,917
MLV 324
(segment 324 FH)
1,879
Station 405 HC Line (segment 299 FH)
827
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.
February 2025 (updated 01/23/25)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(2/3 - 2/9)
Week 2
(2/10 - 2/16)
Week 3
(2/17 - 2/23)
Week 4
(2/24 - 3/2)
Primary Outage(s)
456
(130)
Sta 409: Unit 1A - Maintenance (2/24/2025 - 3/17/2025)
690
(345)
MLV 13-3 to MLV 17-3: Pig Run - Cleaning 2/25/25 (2/25/2025)
MLV 13-3 to MLV 17-3: Pig Run - MFL-A 2/27/25 (2/27/2025)
1,204
1199
1160
(121)
880
(401)
MLV 71-4S to MLV 63-4D: Pig Runs - Caliper / IMU 2/20/25 (2/20/2025)
MLV 71-4S to MLV 63-4D: Pig Runs - Cleaning / Gauge 2/18/25 (2/18/2025) MLV 71-4S to MLV 63-4D: Pig Runs - EMAT 2/27/25 (2/27/2025)
MLV 71-4S to MLV 63-4D: Pig Runs - MFL-C 2/25/25 (2/25/2025)
MLV 79-2S to MLV 71-2D: Pig Runs - Caliper / IMU 2/6/25 (2/6/2025) MLV 79-2S to MLV 71-2D: Pig Runs - Cleaning / Gauge 2/4/25 (2/4/2025) MLV 79-2S to MLV 71-2D: Pig Runs - EMAT 2/13/25 (2/13/2025)
MLV 79-2S to MLV 71-2D: Pig Runs - MFL-C 2/11/25 (2/11/2025)
Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 2/21/2025)
Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)
Sta 546: Unit 7A - Oil Pump (10/22/2024 - 2/28/2025)
1395
(496)
1394
(497)
MLV 565-2 TO MLV 559-2: Pig Runs - AFD 2/20/25 (2/20/2025)
MLV 565-2 TO MLV 559-2: Pig Runs - Cleaning / Gauge 2/12/25 (2/12/2025) MLV 565-2 TO MLV 559-2: Pig Runs - CLP 2/18/25 (2/18/2025)
2635
(126)
2475
(286)
MLV 108-4 to MLV 109-4: Immediate Anomaly Remediation (12/29/2024 -
2/28/2025)
MLV 87-4 to MLV 96-4: Pig Runs - AFD Combo 2/25/25 (2/25/2025)
MLV 87-4 to MLV 96-4: Pig Runs - Caliper 2/20/25 (2/20/2025)
MLV 87-4 to MLV 96-4: Pig Runs - Cleaning / Gauge 2/18/25 (2/18/2025) MLV 87-4 to MLV 96-4: Pig Runs - EMAT 2/27/25 (2/27/2025)
MLV 96-2 to MLV 102-2: Pig Runs - AFD Combo 2/11/25 (2/11/2025)
MLV 96-2 to MLV 102-2: Pig Runs - Caliper 2/6/25 (2/6/2025)
MLV 96-2 to MLV 102-2: Pig Runs - Cleaning / Gauge 2/4/25 (2/4/2025) MLV 96-2 to MLV 102-2: Pig Runs - EMAT 2/13/25 (2/13/2025)
MLV100-1A to MLV 101-1: Emergent Anomaly Remediation (1/7/2025 - 2/15/2025)
Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025)
Sta 87: Unit 5C - Foundation Regrout (8/26/2024 - 2/7/2025)
Station 200
(segment 200 BH)
1,829
1649
(180)
MLV 200-2 to MLV 110-4: Pig Re-Runs - EMAT 2/18/25 (2/18/2025)
1681
(213)
1671
(223)
1831
(63)
MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 -
3/15/2025)
MLV 214-1 to MLV 209-1: Pig Runs - Cleaning Gauge 2/4/25 (2/4/2025) MLV 214-1 to MLV 209-1: Pig Runs - EMAT 2/13/25 (2/13/2025)
MLV 214-1 to MLV 209-1: Pig Runs - MFL-A Combo 2/6/25 (2/6/2025) MLV 214-1 to MLV 209-1: Pig Runs - MFL-C Combo 2/11/25 (2/11/2025)
Sta 200: Unit 12A - Replace Turbo (2/10/2025 - 2/14/2025) Sta 200: Unit 4A - Crankcase Inspections (2/3/2025 - 2/7/2025)
Sta 204: Unit 10A - Punch Carbon & Inspect Cylinders (2/3/2025 - 2/6/2025) Sta 209: Unit 3A - Punch Carbon (2/3/2025 - 2/7/2025)
Sta 209: Unit 4A - Punch Carbon (2/10/2025 - 2/14/2025) Sta 209: Unit 5A - Punch Carbon (2/17/2025 - 2/21/2025) Sta 209: Unit 6A - Punch Carbon (2/24/2025 - 2/28/2025)
March 2025 (updated 01/23/25)
(3/3 - 3/9)
(3/10 - 3/16)
(3/17 - 3/23)
(3/24 - 3/30)
MLV 13-3 to MLV 17-3: Pig Run - EMAT 3/4/25 (3/4/2025)
762
MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (3/10/2025 -
3/24/2025)
MLV 26-1 Relocation: Highway 59 Widening (3/10/2025 - 4/6/2025)
1,201
751
(450)
1031
(170)
1196
MLV 54-4D TO MLV 63-4S: Pig Runs - AFD 3/11/25 (3/11/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - Caliper 3/6/25 (3/6/2025)
MLV 54-4D TO MLV 63-4S: Pig Runs - Cleaning / Gauge 3/4/25 (3/4/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - EMAT 3/13/25 (3/13/2025)
Sta 54: Replace Insulator Bushing on Siemens Transformer (3/4/2025 -
3/5/2025)
Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)
Station 847
(segment 847 BH)
305
199
(106)
MLV 856-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 3/24/25 (3/24/2025)
MLV 856-1 to MLV 851-1: Pig Runs - EMAT 3/27/25 (3/27/2025) MLV 856-1 to MLV 851-1: Pig Runs - MFL-C 3/25/25 (3/25/2025)
1420
(247)
MLV 535-1 to MLV 536-1: Anomaly Remediation (3/10/2025 - 3/21/2025)
Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025) Sta 546: Unit 1B - Turbine Exchange (3/3/2025 - 4/18/2025)
1,590
1580
1,887
1787
1245
(642)
MLV 560-3 TO MLV 559-3: Pig Runs - Cleaning / Gauge 3/18/25 (3/18/2025)
MLV 560-3 TO MLV 559-3: Pig Runs - MFL-A 3/19/25 (3/19/2025)
MLV 564-2: Valve Repair (3/10/2025 - 3/17/2025) Sta 860: Force Majeure (8/18/2023 - TBD)
2320
(441)
MLV 876-2 to MLV 874-2: Pig Runs - AFD Combo 3/11/25 (3/11/2025)
MLV 876-2 to MLV 874-2: Pig Runs - Cleaning / Gauge 3/6/25 (3/6/2025) MLV 876-2 to MLV 874-2: Pig Runs - EMAT 3/13/25 (3/13/2025)
MLV 96-4 to MLV 106-4: Pig Runs - AFD Combo 3/20/25 (3/20/2025)
MLV 96-4 to MLV 106-4: Pig Runs - Cleaning / Gauge 3/18/25 (3/18/2025) MLV 96-4 to MLV 106-4: Pig Runs - EMAT 3/25/25 (3/25/2025)
1841
(53)
1751
(143)
MLV 214-3 to MLV 209-3: Pig Runs - Cleaning Gauge 3/18/25 (3/18/2025) MLV 214-3 to MLV 209-3: Pig Runs - EMAT 3/25/25 (3/25/2025)
MLV 214-3 to MLV 209-3: Pig Runs - MFL-A Combo 3/20/25 (3/20/2025)
Sta 209: Unit 10A - Punch Carbon (3/24/2025 - 3/28/2025)
Sta 209: Unit 7A - Repack #1 Turbo Exhaust outlet flange (3/3/2025 - 3/7/2025) Sta 209: Unit 8A - Punch Carbon (3/10/2025 - 3/14/2025)
Sta 209: Unit 9A - Punch Carbon (3/17/2025 - 3/21/2025)
Station 266A (segment 282 FH)
406
225
(181)
255
(151)
MLV 266A-101L TO MLV 266A-101R: Pig Runs - Cleaning / Gauge 3/18/25 (M)
(3/18/2025)
MLV 266A-101L TO MLV 266A-101R: Pig Runs - MFL-A / Cal / IMU Combo 3/19/25 (M) (3/19/2025)
MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - Cleaning / Gauge 3/25/25 (M) (3/25/2025)
MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - MFL-A/Cal/IMU Combo
3/26/25 (M) (3/26/2025)
April 2025 (updated 01/23/25)
(3/31 - 4/6)
(4/7 - 4/13)
(4/14 - 4/20)
(4/21 - 4/27)
Station 409A (Alamo) (segment 492 FH)
274
134
(140)
MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/1/25 (4/1/2025)
MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/2/25 (4/2/2025) MLV 409A-901 to MLV 409A-902: Pig Run - MFL-A 4/3/25 (4/3/2025)
564
400
980
714
704
MLV 26-2 Relocation: Highway 59 Widening (4/7/2025 - 5/4/2025)
1,184
1179
1079
(105)
929
(255)
MLV 40-3 to MLV 47-3: Pig Run - Chem Cleaning 4/7/25 to 4/11/25 (4/7/2025 -
4/11/2025)
MLV 40-3 to MLV 47-3: Pig Run - EMAT 4/17/25 (4/17/2025) MLV 40-3 to MLV 47-3: Pig Run - MFL-C 4/15/25 (4/15/2025)
MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 47-3D TO MLV 53-3: Pig Runs - MDS 4/17/25 (4/17/2025)
Sta 47: Unti 1E - Annual Turbine Maintenance (4/14/2025 - 4/18/2025)
1,233
845
(388)
MLV 71-3S to MLV 63-3D: Pig Runs - Caliper / IMU 4/17/25 (4/17/2025)
MLV 71-3S to MLV 63-3D: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 71-3S to MLV 63-3D: Pig Runs - EMAT 4/24/25 (4/24/2025)
MLV 71-3S to MLV 63-3D: Pig Runs - MFL-C 4/22/25 (4/22/2025)
686
679
664
670
(9)
1,597
1350
1382
(215)
Sta 546: Unit 1B - Turbine Exchange (3/3/2025 - 4/18/2025)
1,516
920
(596)
MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning / Gauge 4/7/25 (4/7/2025)
MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 4/11/25 (4/11/2025) MLV 550-2 TO MLV 546-2: Pig Runs - MFL-C 4/9/25 (4/9/2025)
1,793
1693
1520
(273)
MLV 565-1 TO MLV 559-1: Pig Runs - AFD 4/25/25 (4/25/2025)
MLV 565-1 TO MLV 559-1: Pig Runs - Caliper 4/23/25 (4/23/2025)
MLV 565-1 TO MLV 559-1: Pig Runs - Cleaning / Gauge 4/21/25 (4/21/2025) Sta 860: Force Majeure (8/18/2023 - TBD)
(south thru
Kentucky)
2,645
(235)
MLV 121-1 to MLV 118-1: Pig Runs - AFD Combo 4/3/25 (4/3/2025)
MLV 121-1 to MLV 118-1: Pig Runs - Cleaning / Gauge 4/1/25 (4/1/2025) MLV 121-1 to MLV 118-1: Pig Runs - EMAT 4/8/25 (4/8/2025)
1,827
1541
1741
(86)
1664
(163)
MLV 204-2 to MLV 200-2: Pig Runs - Cleaning / Gauge 4/15/25 (M) (4/15/2025)
MLV 204-2 to MLV 200-2: Pig Runs - MFL-A Combo 4/17/25 (M) (4/17/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 4/24/25 (M) (4/24/2025)
MLV 204-2 to MLV 200-2: Pig Runs - Residual 4/22/25 (M) (4/22/2025) MLV 209-3 to MLV 204-3: Pig Runs - EMAT 1/21/25 (4/22/2025)
MLV 219-4 to MLV 214-4: Pig Runs - Cleaning / Gauge 4/1/25 (4/1/2025) MLV 219-4 to MLV 214-4: Pig Runs - EMAT 4/8/25 (4/8/2025)
MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 4/3/25 (4/3/2025)
997
941
Fitchburg Lat to Gloucester (segment 268 FH)
202
140
(62)
MLV 267-2 TO MLV 273-2A: Pig Runs - Cleaning / Gauge 4/1/25 (M) (4/1/2025)
MLV 267-2 TO MLV 273-2A: Pig Runs - MFL-A / Cal / IMU Combo 4/2/25 (M) (4/2/2025)
1,150
1,854
Station 321
(segment 321 FH)
2,102
1238
(864)
Sta 323: Electric Company Maintenance (4/14/2025 - 4/16/2025)
MLV 319-2 TO MLV 321-2: Pig Runs - Caliper & MFL-A Combo 4/16/25 (4/16/2025)
MLV 319-2 TO MLV 321-2: Pig Runs - Cleaning / Gauge 4/14/25 (4/14/2025)
1,767
803
May 2025 (updated 01/23/25)
(4/28 - 5/4)
(5/5 - 5/11)
(5/12 - 5/18)
(5/19 - 5/25)
Week 5
(5/26 - 6/1)
609
559
(155)
MLV 17-1D to MLV 20-1A: Anomaly Remediation (5/20/2025 - 6/7/2025)
MLV 20-1A to MLV 24-1A: Anomaly Remediation (4/29/2025 - 5/17/2025) MLV 26-1 to MLV 27-1: Install Road Casing (5/19/2025 - 5/24/2025) MLV 26-2 Relocation: Highway 59 Widening (4/7/2025 - 5/4/2025)
MLV 26-3 Relocation: Highway 59 Widening (M) (5/5/2025 - 6/1/2025)
1,181
1176
1171
MLV 54-2D TO MLV 63-2S: Pig Runs - Cleaning / Gauge 5/06/25 (5/6/2025) MLV 54-2D TO MLV 63-2S: Pig Runs - MFL-A 5/08/25 (5/8/2025)
(segment 163 BH)
1,164
MLV 69-2 to MLV 63-2D: Pig Runs - Caliper / UMU 5/1/25 (5/1/2025)
MLV 69-2 to MLV 63-2D: Pig Runs - Cleaning / Gauge 4/29/25 (4/29/2025)
948
(285)
910
(323)
MLV 69-2 to MLV 63-2D: Pig Runs - EMAT 5/8/25 (5/8/2025)
MLV 69-2 to MLV 63-2D: Pig Runs - MFL-C 5/6/25 (5/6/2025)
Sta 71 Middleton: Annual ESD Test (5/7/2025 - 5/8/2025) Sta 79 Lobelville: Annual ESD Test (5/6/2025)
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)
MLV 565-1 TO MLV 559-1: Pig Runs - EMAT 4/29/25 (4/29/2025)
2620
(25)
2210
(435)
Sta 110 Morehead: Annual ESD Test & Substation Inspection (5/27/2025 -
5/30/2025)
Sta 871: Unit 1A - Engine Inspection (5/13/2025) Sta 871: Unit 2A - Engine Inspection (5/5/2025)
Sta 871: Unit 2A -Compressor Unloaders (5/5/2025 - 5/9/2025) Sta 96 Campbellsville: Annual ESD Test (5/28/2025 - 5/29/2025)
Sta 96 Campbellsville: Annual Substation Inspection (5/28/2025 - 5/30/2025)
(220)
Sta 114 Catlettsburg: Annual ESD Test & Substation Inspection (5/20/2025 -
05/23/2025)
1412
(415)
1566
(261)
MLV 204-2 to MLV 200-2: Pig Runs - EMAT 4/29/25 (M) (4/29/2025)
Sta 204: Annual ESD Test & Maintenance (5/5/2025 - 5/9/2025)
Sta 209 Cambridge: Annual ESD Test & Maintenance (5/12/2025 - 5/16/2025)
Station 230C (segment 296 FH)
743
390
(353)
MLV 230B-201 to MLV 230B-207: Pig Run - Maintenance Cleaning 5/20 - 5/22
(5/20/2025 - 5/22/2025)
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
680
(533)
Sta 249 Carlisle: Filter Inspection (4/28/2025 - 4/29/2025)
Sta 254 Nassau: Annual ESD Test (5/1/2025) Sta 254 Nassau: Filter Inspection (4/30/2025)
1,149
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.