-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 09/24/26)
-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
(9/28)
Tuesday
(9/29)
Wednesday
(9/30)
Thursday
(10/1)
Friday
(10/2)
Saturday
(10/3)
Sunday
(10/4)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409A (Alamo) (segment 492 FH)
274
215
(59)
MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)
Station 409 (Donna Line) (segment 490 FH)
564
Station 1
(segment 101 BH)
399
300
(99)
MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)
Station 9
(segment 109 BH)
1,027
Station 25
(segment 125 FH)
1,078
Station 47
(segment 143 FH)
1,343
1025
(318)
Sta 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (9/28/2026 - 10/2/2026)
Station 63
(segment 163 FH)
1,242
1117
(125)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 84-3 to MLV 85-3: Anomaly Remedition (9/28/2026 - 10/3/2026)
Station 823
(segment 823 BH)
734
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 - 10/1/2026)
Station 860
(segment 548 BH)
1,593
1577
(16)
Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026)
Station 860 North (Segment 860 BH)
1,874
1524
(350)
1846
(28)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)
Sta 563: Unit 1A - Emergent Repair (8/28/2026 - 9/28/2026)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,685
2407
(278)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/10/2026)
MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)
Sta 871: Unit 1A - Bearing (9/12/2026 - 9/30/2026)
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 93-4 to MLV 94-4: Anomaly Remediation (M) (9/21/2026 - 9/28/2026)
Station 114
(segment 114 BH)
907
Station 204
(Segment 204 BH)
1,828
1530
(298)
1415
(413)
1750
(78)
MLV 214-2 to MLV 215-2: PHMSA Immediate (9/16/2026 - 10/6/2026)
Sta 204: Unit 5A - Piston (9/28/2026 - 10/1/2026)
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 204: Scrubber Filter Change (10/1/2026 - 10/3/2026)
Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026)
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
642
(561)
Sta 249-2 to MLV 254-2: Pig Run - Hardspot Rerun (9/30/2026)
Station 261 Discharge East (segment 261 FH)
888
500
(388)
715
(173)
Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 261 Agawam: Annual ESD test (M) (9/28/2026 - 10/2/2026)
Station 307
(segment 307 BH)
1,153
Station 313 Discharge (segment 399 FH)
797
Station 315
(segment 315 BH)
1,823
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 09/24/26)
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)
640
(387)
MLV 9-3 to MLV 5-3: Pig Run - Maintenance (M) (10/21/2026)
MLV 9-2S to MLV 1-2: Pig Runs - Cleaning / Maintenance (M) (10/22/2026)
Station 17
(segment 117 FH)
1,122
(137)
980
(142)
1100
(22)
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)
MLV 17-2D to MLV 20-2A: Pig Run - Chemical Cleaning (M) (10/19/2026 - 10/20/2026)
MLV 17-2D to MLV 20-2A: Pig Run - GAUGE (M) (10/21/2026)
MLV 17-2D to MLV 20-2A: Pig Run - MFL-A (M) (10/22/2026)
Station 40 KN South
(segment 501 FH)
267
200
(67)
Sta 500C1: Gas Detectors (10/6/2026 - 10/7/2026)
1290
(53)
1300
(43)
Sta 47: Unit 1D - 16K hour Overhaul (10/5/2026 - 10/15/2026) Sta 47: Station Transformer Maintenance (10/6/2026)
MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)
1030
(212)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 82-1 to MLV 87-1: Pig Run - Cleaning / Gauge (10/6/2026)
MLV 82-1 to MLV 87-1: Pig Run - AFD/Cal/IMU (10/8/2026)
MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026) MLV 82-1 to MLV 87-1: Pig Run - EMAT (10/13/2026)
Station 834
(segment 834 BH)
683
670
(13)
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. 527 Port Sulphur: Building C - Medium Voltage Electrical Testing (10/5/2026 - 10/9/2026)
Sta 529: Unit 1A - Solar Inspection (10/12/2026 - 10/15/2026)
Station 534
(segment 534 BH)
1,909
1770
(139)
Sta 538: Boost Pump Vibration Upgrade (10/12/2026 - 10/15/2026)
1185
(408)
770
(823)
Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026) Sta 542 Dekalb: Annual ESD Test (10/20/2026 - 10/22/2026)
MLV 546-3 to MLV 544-3: Pig Runs - Maintenance (10/26/2026) MLV 546-1 to MLV 542-1: Pig Runs - Maintenance (10/28/2026)
MLV 546-2 to MLV 542-2: Pig Runs - Maintenance (10/30/2026)
1475
(399)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026)
2043
(642)
1972
(713)
2428
(257)
1822
(863)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026)
Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/10/2026)
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 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 870-2 to MLV 870-2R: Anomaly Remediation (10/12/2026 - 10/17/2026) Sta 96: Unit 2D Replace Compressor Valves (10/12/2026 - 10/15/2026)
MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026) MLV 867-2 to MLV 868-2: Anomaly Remediation (10/19/2026 - 10/24/2026) MLV 97-3 to MLV 106-3: Pig Run - Cleaning / Gauge (10/27/2026)
Sta 875: Unit 1A- 8K Solar Turbine Inspection (10/27/2026 - 10/29/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-S (10/29/2026)
853
(54)
812
(95)
Sta 118A Tyler Mountain: Annual ESD Test (10/5/2026 - 10/6/2026) Sta 119A Rocky Fork: Turbine Maintenance (10/13/2026 - 10/16/2026)
1745
(83)
1690
(138)
Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026) MLV 214-1 to MLV 219-1: Pig Run - Gauge/Cleaning (10/13/2026)
MLV 214-1 to MLV 219-1: Pig Run - Cal/IMU/MFL-C Combo (10/15/2026)
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)
Station 233
(segment 233 FH)
459
355
(104)
MLV 233-2 to MLV 235-2: Pig Run (10/20/2026)
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 - Cleaning (10/27/2026)
Sta 245-1 to MLV 249-1: Pig Run - MFL-C - Rerun (10/28/2026) Sta 245-1 to MLV 249-1: Pig Run - EMAT (10/29/2026)
555
(333)
Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 264: Oil System (10/12/2026 - 10/16/2026)
775
(378)
695
(458)
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 (M) (10/6/2026 - 10/22/2026)
1400
(423)
Sta 315 Wellsboro: Station Yard Valve Operator Replacements (10/28/2026 - 10/29/2026)
1450
(317)
1550
(217)
Sta 325: Station Outage (10/12/2026 - 10/14/2026)
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)
Cranston Lateral South
(segment 281 FH)
187
125
(62)
Sta 265: Unit 1A - Replace Lube Oil Fan (10/12/2026)
Station 405 HC Line (segment 299 FH)
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
(188)
MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (10/22/2026)
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 09/24/26)
Est Nominal Operating Capacity
(Thousand Dth)
(11/2 - 11/8)
(11/9 - 11/15)
(11/16 - 11/22)
(11/23 - 11/29)
297
260
(37)
587
438
357
(81)
(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)
1,095
Station 40 South
(segment 132 FH)
1,294
915
(379)
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: Unit 1B - Juction Box Rewire & Unit Valves (11/2/2026 - 11/13/2026) Sta 550 Hamilton: Annual ESD Test (11/9/2026)
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 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-C (11/3/2026)
MLV 97-3 to MLV 106-3: Pig Run - EMAT (11/5/2026)
946
858
(88)
Sta 118A: Solar Turbine Inspection (11/2/2026 - 11/5/2026)
1,888
1765
(123)
1405
(483)
1425
(463)
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) MLV 204-4 to MLV 209-4: Pig Run - Gauge (11/10/2026)
MLV 204-4 to MLV 209-4: Pig Run - Efficiency (11/11/2026) MLV 204-4 to MLV 209-4: Pig Run - Cal/IMU (11/12/2026) MLV 204-4 to MLV 209-4: Pig Run - MFL-C (11/17/2026)
MLV 204-4 to MLV 209-4: Pig Run - EMAT (11/19/2026)
1,043
1,034
1070
(133)
Sta 219: Annual ESD Test & Scrubber Maintenance (11/3/2026 - 11/6/2026)
810
1,885
Station 321
(segment 321 FH)
2,220
2035
(185)
MLV 320-1 to MLV 320-1A: Hot Tap (11/5/2026)
1,883
December 2026 (updated 09/24/26)
(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) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 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 - 12/17/2026)
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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