-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 10/08/26)
-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
(10/12)
Tuesday
(10/13)
Wednesday
(10/14)
Thursday
(10/15)
Friday
(10/16)
Saturday
(10/17)
Sunday
(10/18)
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 17
(segment 117 FH)
1,122
980
(142)
MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (10/13/2026) Sta 25: Annual ESD Test (10/13/2026)
Station 25
(segment 125 FH)
1,078
Station 40 South
(segment 132 FH)
1,277
1175
(102)
Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)
Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)
Station 47
(segment 143 FH)
1,343
1290
(53)
1300
(43)
Sta 47: Unit 1D - 16K hour Overhaul (10/5/2026 - 10/15/2026)
MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)
Station 63
(segment 163 FH)
1,242
1030
(212)
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 - Cal/IMU (10/12/2026)
MLV 82-1 to MLV 87-1: Pig Run - AFD/Cal/IMU (10/13/2026)
MLV 82-1 to MLV 87-1: Pig Run - EMAT (10/15/2026)
Station 823
(segment 823 BH)
734
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)
Station 534 South of Pool (segment 530
BH)
1,550
(375)
Sta 529: Unit 1A - Solar Inspection (10/12/2026 - 10/15/2026)
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
1,874
1846
(28)
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)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,685
2245
(440)
2425
(260)
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 - 10/30/2026)
MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)
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 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)
Station 114
(segment 114 BH)
907
Station 204
(Segment 204 BH)
1,828
1750
(78)
1735
(93)
MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) 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)
Station 245
(segment 245 FH)
986
970
Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026)
Station 261 Discharge East (segment 261
888
555
(333)
Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 264: Oil System (10/12/2026 - 10/17/2026)
Station 307
(segment 307 BH)
1,153
Station 313 Discharge (segment 399
797
220
(577)
MLV 313A-403 to MLV 313A-404: Anomaly Remediation (M) (10/6/2026 - 10/22/2026)
Station 315
(segment 315 BH)
1,823
MLV 324
(segment 324 FH)
1,767
Cranston Lateral South
(segment 281
187
125
(62)
Sta 265: Unit 1A - Replace Lube Oil Fan (10/12/2026)
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.
The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
October 2026 (updated 10/08/26)
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
1100
(22)
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)
1117
(125)
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)
Sta 834: Unit 4A - Replace Insulation Blanket (10/19/2026 - 10/20/2026)
1550
770
(823)
Sta 546: Unit 1A - Maintenance (10/20/2026)
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)
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)
1998
(687)
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) Sta 87: Unit 1E - Safety Device Testing (10/19/2026 - 10/21/2026)
Sta 87: Unit 2E - Safety Device Tests (10/21/2026 - 10/23/2026) 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)
812
(95)
Sta 119A Rocky Fork: Turbine Maintenance (10/19/2026 - 10/23/2026)
1690
(138)
MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026)
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)
775
(378)
Sta 303A: Unit 1A - Water Wash (10/19/2026 - 10/22/2026)
MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026)
1400
(423)
Sta 315 Wellsboro: Station Yard Valve Operator Replacements (10/28/2026 - 10/29/2026)
(217)
1450
(317)
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 (10/26/2026 - 10/28/2026)
Station 224
(segment 224 FH)
388
200
(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 10/08/26)
(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
1,095
1,294
1200
(94)
925
(369)
1225
(69)
Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)
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
1067
871
(321)
MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 71-3D to MLV 79-3: Pig Runs - Cleaning / Gauge (11/17/2026)
MLV 71-3D to MLV 79-3: Pig Runs - TDW MDS (11/19/2026)
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)
Station 823 Muskrat Line (segment 509
244
(119)
Sta 523: Unit 2B - 8K Inspection (11/16/2026 - 11/17/2026)
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)
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 - 11/5/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (11/5/2026 - 11/7/2026)
(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 200-4B: 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
1,203
875
(328)
MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026) 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 10/08/26)
(11/30 - 12/6)
(12/7 - 12/13)
(12/14 - 12/20)
(12/21 - 12/27)
(12/28 - 1/3)
Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)
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 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)
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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