-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 09/17/26)
-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
(9/21)
Tuesday
(9/22)
Wednesday
(9/23)
Thursday
(9/24)
Friday
(9/25)
Saturday
(9/26)
Sunday
(9/27)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409A (Alamo) (segment 492 FH)
274
125
(149)
215
(59)
MLV 409-1 to MLV 406-1: Spike Test (M) (9/20/2026 - 11/11/2026)
MLV 409A-101.1 to MLV 409A-103: Pig Runs - Cleaning / Gauge (M) (9/21/2026)
MLV 409A-101.1 to MLV 409A-103: Pig Runs - Cleaning / Gauge (M) (9/22/2026)
MLV 409A-101.1 to MLV 409A-103: Pig Runs - Cleaning / Gauge (M) (9/23/2026)
MLV 409A-101.1 to MLV 409A-103: Pig Runs - EMAT (M) (9/25/2026)
MLV 409A-101.1 to MLV 409A-103: Pig Runs - MFL-C (M) (9/24/2026)
Station 409 (Donna Line) (segment 490
FH)
564
Station 1
(segment 101 BH)
399
300
(99)
Sta 1: Station Power Protection System (9/22/2026)
Station 9
(segment 109 BH)
1,027
MLV 1-1D to MLV 5-1: Spike Test (M) (9/21/2026 - 11/2/2026)
Station 17
(segment 117 FH)
1,122
1085
(37)
MLV 17-1D to MLV 20-1A: Pig Run - Chemical Cleaning (9/21/2026) MLV 17-1D to MLV 20-1A: Pig Run - EMAT (9/24/2026)
MLV 17-1D to MLV 20-1A: Pig Run - GAUGE PLATE (9/22/2026)
MLV 17-1D to MLV 20-1A: Pig Run - MFL-C (9/23/2026)
Station 25
(segment 125 FH)
1,078
Station 47
(segment 143 FH)
1,343
Station 63
(segment 163 FH)
1,242
1030
(212)
1117
(125)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 82-2C to MLV 83-2: Anomaly Remediation (9/21/2026 - 9/26/2026)
Station 823
(segment 823 BH)
734
Station 834
(segment 834 BH)
683
670
(13)
Sta 834: Unit 4A - Replace Lubrication System (9/21/2026 - 9/25/2026)
Station 534 South of Pool (segment 530
BH)
1,550
985
(565)
MLV 533-2 to MLV 534-2: Pipe Replacement (M) (6/4/2026 - 9/27/2026)
Station 860
(segment 548 BH)
1,593
1545
(48)
1577
(16)
Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 9/30/2026) Sta 542: Unit 4A - Cylinder Replacement (9/21/2026 - 9/25/2026)
Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 9/30/2026)
Sta 555: Unit 4A - Engine Maintenance (9/21/2026 - 9/24/2026)
Station 860 North (Segment 860
1,874
1495
(379)
1846
(28)
Sta 563: Unit 1A - Emergent Repair (8/28/2026 - 9/22/2026) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 -
12/31/2026)
Sta 860: Unit 1B - Replace Turbocharger (9/21/2026 - 9/25/2026)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,685
2407
(278)
MLV 109-5 to MLV 109-5A: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 109-5A to MLV 110-5: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 93-4 to MLV 94-4: Anomaly Remediation (M) (9/21/2026 - 9/28/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/10/2026)
Sta 871: Unit 1A - Bearing (9/12/2026 - 9/30/2026)
Station 114
(segment 114 BH)
907
Station 204
(Segment 204 BH)
1,828
1715
(113)
1825
(3)
MLV 214-2 to MLV 215-2: PHMSA Immediate (9/16/2026 - 10/6/2026)
Sta 204: Unit 5A - Piston (9/21/2026 - 9/24/2026)
Sta 209 Cambridge: Unit 12A - Eutectic Device (9/21/2026 - 9/24/2026)
Station 245
(segment 245 FH)
986
970
Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026)
MLV 256 West
(segment 249 FH)
1,203
660
(543)
MLV 258-2 to MLV 259-2: Emergent Repair (9/9/2026 - 9/23/2026)
Station 261 Discharge East (segment 261
888
715
(173)
555
(333)
Sta 264 Charlton: Annual ESD Test (9/24/2026 - 9/25/2026)
Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026)
Station 307
(segment 307 BH)
1,153
1010
(143)
Sta 310: Unit 1A - Water Washes and Borescope (9/21/2026 - 9/22/2026)
Station 313 Discharge (segment 399
797
Station 315
(segment 315 BH)
1,823
Station 321
(segment 321 FH)
2,102
1830
(272)
Sta 323: Station Outage (9/21/2026 - 9/24/2026)
MLV 324
(segment 324 FH)
1,767
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.
October 2026 (updated 09/17/26)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(9/28 - 10/4)
Week 2
(10/5 - 10/11)
Week 3
(10/12 - 10/18)
Week 4
(10/19 - 10/25)
Week 5
(10/26 - 11/1)
Primary Outage(s)
Station 409A (Alamo) (segment 492
(902)
946
(81)
MLV 9-2S to MLV 1-2: Pig Runs - Cleaning / Maintenance (M) (10/22/2026) MLV 9-3 to MLV 5-3: Pig Run - Maintenance (M) (10/21/2026)
(137)
980
(142)
1100
(22)
MLV 17-2D to MLV 20-2A: Pig Run - Chemical Cleaning (10/19/2026 - 10/20/2026)
MLV 17-2D to MLV 20-2A: Pig Run - GAUGE (10/21/2026) MLV 17-2D to MLV 20-2A: Pig Run - MFL-A (10/22/2026)
MLV 32-2D TO MLV 40-2S: Pig Runs - Maintenance (10/8/2026) MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (10/13/2026)
Sta 25: Annual ESD Test (10/13/2026)
1025
(318)
1290
(53)
1300
(43)
MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026) Sta 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (9/28/2026 -
10/2/2026)
Sta 47: Station Transformer Maintenance (10/6/2026)
Sta 47: Unit 1D - 16K hour Overhaul (10/5/2026 - 10/15/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026) MLV 82-1 to MLV 87-1: Pig Run - AFD/Cal/IMU (10/8/2026)
MLV 82-1 to MLV 87-1: Pig Run - Cleaning / Gauge (10/6/2026) MLV 82-1 to MLV 87-1: Pig Run - EMAT (10/13/2026)
MLV 84-3 to MLV 85-3: Anomaly Remedition (9/28/2026 - 10/3/2026)
Sta 834: Unit 1A - Replace Insulation Blanket (10/12/2026 - 10/13/2026) Sta 834: Unit 2A - Replace Insulation Blanket (10/14/2026 - 10/15/2026) Sta 834: Unit 3A - Replace Insulation Blanket (10/16/2026 - 10/17/2026)
Sta 834: Unit 4A - Replace Insulation Blanket (10/19/2026 - 10/20/2026)
1440
(110)
1175
(375)
Sta 529: Unit 1A - Solar Inspection (10/12/2026 - 10/15/2026)
Sta. 527 Port Sulphur: Building C - Medium Voltage Electrical Testing (10/5/2026 - 10/9/2026)
Station 534
(segment 534 BH)
1,909
1770
(139)
Sta 538: Boost Pump Vibration Upgrade (10/12/2026 - 10/15/2026)
1181
(412)
Sta 542 Dekalb: Annual ESD Test (10/20/2026 - 10/22/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 9/30/2026)
1475
(399)
MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)
2043
(642)
1972
(713)
2428
(257)
1822
(863)
MLV 103-3 to MLV 105-3: Crossover Upgrade (10/10/2026 - 10/17/2026) MLV 104-3 to MLV 106-3S: HDD at Kentucky River (10/10/2026 - 10/17/2026) MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026) MLV 109-5 to MLV 109-5A: Pipe Replacement (9/14/2026 - 10/12/2026)
MLV 109-5A to MLV 110-5: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 867-2 to MLV 868-2: Anomaly Remediation (10/19/2026 - 10/24/2026) MLV 870-2 to MLV 870-2R: Anomaly Remediation (10/12/2026 - 10/17/2026) MLV 93-4 to MLV 94-4: Anomaly Remediation (M) (9/21/2026 - 9/28/2026) MLV 97-3 to MLV 106-3: Pig Run - Cleaning / Gauge (10/27/2026)
MLV 97-3 to MLV 106-3: Pig Run - MFL-S (10/29/2026)
Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/10/2026) Sta 871: Unit 1A - Bearing (9/12/2026 - 9/30/2026)
Sta 875: Unit 1A- 8K Solar Turbine Inspection (10/27/2026 - 10/29/2026) Sta 96: Unit 2D Replace Compressor Valves (10/12/2026 - 10/15/2026)
853
(54)
Sta 118A Tyler Mountain: Annual ESD Test (10/5/2026 - 10/6/2026)
TGP - Outage Impact Report October 2026 (updated 09/17/26)
1415
(413)
1750
(78)
1745
(83)
1690
(138)
MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/26/2026)
MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/27/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/28/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/29/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/30/2026) MLV 214-1 to MLV 219-1: Pig Run - Cal/IMU (10/20/2026)
MLV 214-1 to MLV 219-1: Pig Run - Gauge/Cleaning (10/15/2026) MLV 214-1 to MLV 219-1: Pig Run - MFL-C (10/22/2026)
Sta 204: Scrubber Filter Change (10/1/2026 - 10/3/2026) Sta 209 Cambridge: Scrubber Filter (9/28/2026 - 9/30/2026)
Sta 209 Cambridge: Unit 11A - Eutectic Device (9/28/2026 - 9/30/2026)
Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026)
Station 233
(segment 233 FH)
459
355
(104)
MLV 233-2 to MLV 235-2: Pig Run (9/30/2026)
760
(226)
Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 245-1 to MLV 249-1: Pig Run - EMAT (10/28/2026)
Sta 245-1 to MLV 249-1: Pig Run - MFL-C - Rerun (10/27/2026)
642
(561)
Sta 249-2 to MLV 254-2: Pig Run - Hardspot Rerun (9/30/2026)
500
(388)
Sta 261 Agawam: Annual ESD test (M) (9/28/2026 - 10/2/2026)
Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 264: Oil System (10/12/2026 - 10/16/2026)
765
MLV 302-2 to MLV 303-2: Anomaly Remediation (10/16/2026 - 10/27/2026) Sta 303A: Unit 1A - Water Wash (10/19/2026 - 10/22/2026)
207
(590)
MLV 313A-403 to MLV 313A-404: Anomaly Remediation (9/29/2026 - 10/15/2026)
1450
(317)
1550
(217)
MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge (M) (10/19/2026) MLV 325-1 to MLV 329-1: Pig runs - EMAT (M) (10/20/2026)
Sta 325: Station Outage (9/29/2026 - 10/1/2026)
Cranston Lateral South
(segment 281
187
(62)
Sta 265: Unit 1A - Replace Lube Oil Fan (10/12/2026)
Station 405 HC Line (segment 299
794
(124)
Sta 405A: Unit 1A - 4k Waterwash (10/13/2026) ; Sta 405A: Unit 1A - 8K Solar Turbine Inspection (10/14/2026)
Station 224
(segment 224 FH)
388
200
(188)
MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (10/6/2026)
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.
November 2026 (updated 09/17/26)
(11/2 - 11/8)
(11/9 - 11/15)
(11/16 - 11/22)
(11/23 - 11/29)
297
260
587
MLV 406
(segment 406 BH)
479
438
(39)
226
MLV 400-1 to MLV 409-1: Pig Run - Maintenance Cleaning (M) (11/10/2026) MLV 400-2 to MLV 409-2: Pig Run - Maintenance Cleaning (M) (11/17/2026)
1,066
880
(186)
MLV 1-1D to MLV 9-1S: Pig Run - Maintenance / Cleaning (M) (11/10/2026)
1,138
1,095
Station 40 South
(segment 132 FH)
1,294
915
Sta 32: Annual ESD Test (11/17/2026 - 11/18/2026)
1,428
1350
MLV 61-3 to MLV 62-3: Pipe Replacements (11/2/2026 - 11/13/2026)
1,192
871
(321)
1067
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 71-3D to MLV 74-3: Pig Runs - Cleaning / Gauge (11/3/2026)
MLV 71-3D to MLV 74-3: Pig Runs - TDW MDS (11/5/2026)
758
210
(548)
Sta 827 to Sta 823: Pig Run - Maintenance (M) (11/5/2026) Sta 834 to Sta 827: Maintenance Pig (M) (11/5/2026)
1,665
1660
(5)
(215)
Sta 550 Hamilton: Annual ESD Test (11/9/2026)
Sta 550: Unit 1B - Juction Box Rewire & Unit Valves (11/2/2026 - 11/13/2026)
Station 860 North (Segment 860 BH)
2,059
2031
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (11/2/2026 - 11/3/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (11/3/2026 - 11/4/2026)
(south thru
Kentucky)
2,594
1951
(643)
2327
(267)
MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 97-3 to MLV 106-3: Pig Run - EMAT (11/5/2026)
MLV 97-3 to MLV 106-3: Pig Run - MFL-C (11/3/2026)
858
(88)
Sta 118A: Solar Turbine Inspection (11/2/2026 - 11/4/2026)
1,888
1765
(123)
1405
(483)
1425
(463)
MLV 204-4 to MLV 209-4: Pig Run - Cal/IMU (11/12/2026)
MLV 204-4 to MLV 209-4: Pig Run - Efficiency (11/11/2026) MLV 204-4 to MLV 209-4: Pig Run - EMAT (11/19/2026) MLV 204-4 to MLV 209-4: Pig Run - Gauge (11/10/2026) MLV 204-4 to MLV 209-4: Pig Run - MFL-C (11/17/2026) MLV 209-2 to MLV 214-2: Pig Run - CAL/IMU (11/3/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (11/5/2026)
1,043
1,034
1020
(183)
Sta 219: Annual ESD Test & Scrubber Maintenance (11/3/2026 - 11/6/2026)
810
1,885
2,220
2035
(185)
MLV 319-1 to MLV 320-1: Hot Tap (11/5/2026)
1,883
December 2026 (updated 09/17/26)
(11/30 - 12/6)
(12/7 - 12/13)
(12/14 - 12/20)
(12/21 - 12/27)
(12/28 - 1/3)
Carthage Lateral (segment 700 FH)
310
80
(230)
MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/2/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/3/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/4/2026)
MLV 706-1 to MLV 700-1: Pig Run - MDS (M) (12/10/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 1E - Safety Device Testing (12/15/2026)
Sta 87: Unit 2E - Safety Device Tests (12/16/2026)
835
(111)
Sta 114: Unit 1D - Solar Turbine Inspection (12/14/2026 - 12/16/2026)
768
(275)
MLV 237-1 to MLV 245-1: Pig Run - Cleaning/Gauge (12/7/2026) MLV 237-1 to MLV 245-1: Pig Run - EMAT (12/9/2026)
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