-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 01/22/26)
-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
(1/26)
Tuesday
(1/27)
Wednesday
(1/28)
Thursday
(1/29)
Friday
(1/30)
Saturday
(1/31)
Sunday
(2/1)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409
(Donna Line) (segment 490 FH)
585
Station 1
(segment 101 BH)
438
Station 9
(segment 109 FH)
1,022
385
(637)
MLV 9-1D TO MLV 17-1S: Pig Run - Chem Cleaning (M) (1/28/2026) MLV 9-1D TO MLV 17-1S: Pig Run - Chem Cleaning (M) (1/29/2026)
MLV 9-1D TO MLV 17-1S: Pig Run - Chem Cleaning / Gauge (M) (1/30/2026)
Station 25
(segment 125 FH)
1,101
1085
(16)
Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)
Station 47
(segment 143 FH)
1,354
1349
(5)
MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)
Station 63
(segment 163 FH)
1,287
1260
(27)
MLV 72-2 to MLV 73-2: Anomaly Remediation (1/27/2026 - 1/31/2026)
Station 823
(segment 823 BH)
759
725
(34)
Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)
Station 834
(segment 834 BH)
733
720
(13)
Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/31/2026)
Station 534 South of Pool (segment 530 BH)
1,632
1285
(347)
1400
(232)
Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026) Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)
Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2026) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2026)
Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026) Sta 530: Unit 7A - Bearings (10/6/2025 - 3/31/2026)
Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 3/27/2026)
Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 1/30/2026)
MLV 548
(segment 542 BH)
1,771
1735
(36)
1750
(21)
Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 1/31/2026) Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 2/27/2026)
Station 860
(segment 548 BH)
1,697
Station 860 North (Segment 860
BH)
2,028
2000
(28)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,775
2552
(223)
2625
(150)
MLV 102-1A1 to MLV 102-1A: Pipe Replacement (1/20/2026 - 1/30/2026) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (1/24/2026 - 2/3/2026)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 2/27/2026)
Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/16/2026)
Station 114
(segment 114 BH)
948
Station 204
(Segment 204 BH)
1,895
1797
(98)
Sta 200: Unit 1B - GHG Maintenance (1/26/2026 - 1/30/2026)
Station 245
(segment 245 FH)
1,053
1008
(45)
Sta 241: Unit 2B - 2K Maintenance (1/27/2026)
Station 261 Discharge East (segment 261
FH)
1,035
Station 267 South (segment 266
493
336
(157)
Sta 267: Bldg A Controls Upgrade (9/2/2025 - 1/30/2026)
Station 307
(segment 307 BH)
1,202
Station 315
(segment 315 BH)
1,915
MLV 324
(segment 324 FH)
1,885
Station 405 HC Line (segment 299
817
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 2026 (updated 01/22/26)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(2/2 - 2/8)
Week 2
(2/9 - 2/15)
Week 3
(2/16 - 2/22)
Week 4
(2/23 - 3/1)
Primary Outage(s)
Station 409 (Donna Line) (segment 490
160
(278)
MLV 404-2A to MLV 405-2: Pipe Replacement (2/11/2026 - 2/12/2026)
MLV 9-1D TO MLV 17-1S: Pig Run - EMAT (M) (2/6/2026) MLV 9-1D TO MLV 17-1S: Pig Run - MFL-A (M) (2/2/2026)
MLV 9-1D TO MLV 17-1S: Pig Run - MFL-C (M) (2/4/2026)
Station 17
(segment 117 FH)
1,143
1125
(18)
MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (3/1/2026 - 4/30/2026)
MLV 26-1 Relocation: Highway 59 Widening (2/20/2026 - 3/14/2026) MLV 26-1 to MLV 27-1: Install Road Casing (2/20/2026 - 3/14/2026)
Station 40 South
(segment 139 FH)
1,659
1300
(359)
1375
(284)
MLV 36-1LAL to Sta 40-1S: Pig Run - AFD Combo (M) (2/10/2026)
MLV 36-1LAL to Sta 40-1S: Pig Run - Cleaning (M) (2/3/2026) MLV 36-1LAL to Sta 40-1S: Pig Run - Cleaning (M) (2/5/2026)
MLV 36-1LAL to Sta 40-1S: Pig Run - Cleaning / Gauge (M) (2/8/2026) MLV 36-1LAL to Sta 40-1S: Pig Run - Cleaning / Gauge (M) (2/9/2026) MLV 36-1LAL to Sta 40-1S: Pig Run - EMAT (M) (2/12/2026)
Sta 40: ESD Panel Install (2/6/2026)
Station 847
(segment 847 BH)
338
200
(138)
MLV 856-1 to MLV 860-1: Pig Runs - Cleaning / Gauge 2/10/26 (2/10/2026) MLV 856-1 to MLV 860-1: Pig Runs - EMAT 2/12/26 (2/12/2026)
Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 -
3/27/2026)
Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 2/27/2026)
975
(722)
MLV 555-2 to MLV 559-2: Pig Runs - CAL / IMU 2/19/26 (2/19/2026)
MLV 555-2 to MLV 559-2: Pig Runs - Cleaning / Gauge 2/17/26 (2/17/2026) MLV 555-2 to MLV 559-2: Pig Runs - EMAT 2/26/26 (2/26/2026)
MLV 555-2 to MLV 559-2: Pig Runs - MFL-C 2/24/26 (2/24/2026)
2374
(401)
2645
(130)
2391
(384)
MLV 87-4 to MLV 96-4: Pig Re-Runs - EMAT 2/18/26 (M) (2/18/2026)
MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (1/24/2026 - 2/3/2026)
Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 2/27/2026) Sta 106: Unit 2D - 8K Solar Turbine Inspection (2/3/2026 - 2/5/2026)
Sta 871: Unit 1A - 1Q Engine Inspection (2/4/2026) Sta 871: Unit 2A - 1Q Engine Inspection (2/3/2026)
845
(103)
Sta 119A: Unit 1A - Solar Turbine Inspection (2/10/2026)
1823
(72)
MLV 204-1 to MLV 209-1: Pig Run - Cal/IMU (2/5/2026) MLV 204-1 to MLV 209-1: Pig Run - EMAT (2/12/2026) MLV 204-1 to MLV 209-1: Pig Run - Gauge (2/3/2026)
MLV 204-1 to MLV 209-1: Pig Run - MFL-C (2/10/2026)
Sta 241: Unit 1B - 2K Maintenance (2/10/2026)
March 2026 (updated 01/22/26)
(3/2 - 3/8)
(3/9 - 3/15)
(3/16 - 3/22)
(3/23 - 3/29)
1060
(41)
MLV 26-1 Relocation: Highway 59 Widening (2/20/2026 - 3/14/2026) MLV 26-1 to MLV 27-1: Install Road Casing (2/20/2026 - 3/14/2026) MLV 26-2 Relocation: Highway 59 Widening (3/15/2026 - 4/6/2026)
(segment 132 FH)
1,299
MLV 32-1D to MLV 33-1: Anomaly Remediation (3/16/2026 - 3/20/2026)
Station 40 North
(segment 140 FH)
1,348
MLV 40-2D to MLV 42-2BR: Anomaly Remediation (3/23/2026 - 3/27/2026)
1035
(319)
Sta. 47: Unit 1D/2D - D Building - Unit Valve Install (3/23/2026 - 3/24/2026) Sta. 47: Unit 1E - E Building - Unit Valve Install (3/25/2026)
1680
(17)
1565
(132)
1420
(277)
MLV 550-1 to MLV 546-1: Pig Runs - CAL / IMU 3/12/26 (3/12/2026)
MLV 550-1 to MLV 546-1: Pig Runs - Cleaning / Gauge 3/10/26 (3/10/2026) MLV 550-1 to MLV 546-1: Pig Runs - EMAT 3/19/26 (3/19/2026)
MLV 550-1 to MLV 546-1: Pig Runs - MFL-C 3/17/26 (3/17/2026)
Sta 550: Unit 3A - Turbocharger Exchange (3/2/2026 - 3/20/2026)
1715
(313)
MLV 555-1L to MLV 558-1R: Anomaly Remediation (3/16/2026 - 4/3/2026) MLV 559-2 to MLV 565-2: Pig Run - EMAT (Re-run) (3/2/2026)
2246
(529)
2600
(175)
2681
(94)
MLV 109--3: Crossover to Ln 4 Valve Replacements (3/2/2026 - 3/8/2026) MLV 109--3: Crossover to Ln 5 Valve Replacements (3/9/2026 - 3/15/2026) MLV 87-3 to MLV 96-3: Pig Run - AFD (3/5/2026)
MLV 87-3 to MLV 96-3: Pig Run - Cleaning/Gauge (3/3/2026) MLV 87-3 to MLV 96-3: Pig Run - EMAT (3/10/2026)
Sta 96: Unit 1D - Compressor Valves (3/16/2026 - 4/3/2026)
755
(193)
MLV 110-2 to MLV 114-2S: Pig Run - Gauge (3/17/2026) MLV 110-2 to MLV 114-2S: Pig Run - MFL-C (3/19/2026)
1762
(133)
MLV 209-2 to MLV 214-2: Pig Run - Cal/IMU (3/12/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (3/19/2026)
MLV 209-2 to MLV 214-2: Pig Run - Gauge/Cleaning (3/10/2026)
MLV 209-2 to MLV 214-2: Pig Run - MFL-C (3/17/2026)
April 2026 (updated 01/22/26)
(3/30 - 4/5)
(4/6 - 4/12)
(4/13 - 4/19)
(4/20 - 4/26)
Week 5
(4/27 - 5/3)
564
399
969
900
(69)
MLV 9-3D to MLV 11-3: Pig Run - Cleaning (4/13/2026)
MLV 9-3D to MLV 11-3: Pig Run - Gauge (4/14/2026) MLV 9-3D to MLV 11-3: Pig Run - MFL-A (4/15/2026)
1,122
1104
MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (3/1/2026 - 4/30/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (5/1/2026 - 6/29/2026)
1,078
1005
(73)
830
(248)
MLV 26-2 Relocation: Highway 59 Widening (3/15/2026 - 4/6/2026)
MLV 26-3 Relocation: Highway 59 Widening (M) (4/7/2026 - 4/28/2026) Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)
1,343
1025
(318)
Sta 47: Unit 1E - Annual Turbine Maintenance (4/13/2026 - 4/16/2026) Sta. 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (4/6/2026 -
4/10/2026)
Sta. 47: Unit 1D - 16K hour Overhaul (4/6/2026 - 4/17/2026)
(segment 163 BH)
1,068
1012
(56)
MLV 79-4 to MLV 71-4D: Pig Runs - Cleaning / Gauge 4/14/26 (4/14/2026) MLV 79-4 to MLV 71-4D: Pig Runs - EMAT 4/23/26 (4/23/2026)
1,242
957
(285)
734
683
670
Sta 834: Unit 4A - Replace Lubrication System (4/13/2026 - 4/17/2026)
288
150
MLV 847-1 to MLV 851-1: Pig Runs - Cal / IMU & MFL-A 4/30/26 (4/30/2026)
MLV 847-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 4/28/26 (4/28/2026)
MLV 516
Muskrat Line (segment 516 FH)
241
75
(166)
MLV 516 to Sta 523: Pig Run - Cleaning / Gauge 4/18/26 to 4/22/26 (M) (4/18/2026 - 4/22/2026)
MLV 516 to Sta 523: Pig Run - MFL-A 4/24/26 (M) (4/24/2026)
1,550
1528
(22)
Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026)
Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)
Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026)
Sta 530: Unit 7A - Bearings (10/6/2025 - 3/31/2026)
1,647
1,593
1435
(158)
1465
(128)
Sta 555 Collinwood: Annual ESD Test & Maintenance (4/21/2026 - 4/24/2026) Sta 555: Unit 1B - Protective Device Inspection (4/28/2026 - 4/29/2026)
Station 860 North (Segment 860 BH)
1,874
1846
1460
(414)
1540
(334)
MLV 555-1L to MLV 558-1R: Anomaly Remediation (3/16/2026 - 4/3/2026) Sta 563 Joelton: Annual ESD Test (4/8/2026 - 4/9/2026)
Sta 563 Joelton: Unit 1A - Lube Oil Varnish System Installation (4/6/2026 - 4/8/2026)
Sta 563 Joelton: Unit 2A - Lube Oil Varnish System Installation (4/8/2026 - 4/12/2026)
Sta 563 Joelton: Unit 2A - Solar Turbine Exchange (4/13/2026 - 4/21/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (4/9/2026 - 4/10/2026)
Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (4/7/2026 - 4/8/2026)
2,685
2407
2601
(84)
2680
MLV 106-2 to MLV 110-2: Pig Run - Cal / IMU (4/2/2026)
MLV 106-2 to MLV 110-2: Pig Run - Cleaning / Gauge (3/31/2026) MLV 106-2 to MLV 110-2: Pig Run - MFL-A (4/7/2026)
Sta 106: Unit 1D - 8K Solar Turbine Inspection (3/30/2026 - 4/3/2026) Sta 87: Unit 3D - Power side Overhaul (4/27/2026 - 7/30/2026)
907
848
(59)
648
(259)
MLV 119-1 to MLV 121-1: Anomaly Remediation (4/13/2026 - 5/22/2026) Sta 118A: Solar Turbine Inspection (3/30/2026 - 4/1/2026)
1,828
1800
1545
(283)
1472
(356)
1340
(488)
1763
(65)
MLV 204-3 to MLV 209-3: Pig Run - Cal/IMU (4/16/2026)
MLV 204-3 to MLV 209-3: Pig Run - EMAT (4/23/2026)
MLV 204-3 to MLV 209-3: Pig Run - Gauge/Cleaning (4/14/2026) MLV 204-3 to MLV 209-3: Pig Run - MFL-C (4/21/2026)
MLV 213-1A to MLV 213-1BR: SPECIAL PERMIT REPLACEMENT TGP 213-1
(M) (4/1/2026 - 5/22/2026)
MLV 214-2 to MLV 219-2: Pig Run - Cal/IMU (M) (4/30/2026)
MLV 214-2 to MLV 219-2: Pig Run - Gauge/Cleaning (M) (4/28/2026) Sta 204: ESD Test (4/20/2026 - 4/24/2026)
Sta 209 Cambridge: Annual ESD Test & Maintenance (4/6/2026 - 4/17/2026)
Station 233
(segment 233 FH)
459
83
(376)
100
MLV 230-1 to MLV 237-1: Pig Run - CAL/IMU/MFL-C (M) (4/1/2026) MLV 230-1 to MLV 237-1: Pig Run - EMAT (M) (4/6/2026)
MLV 230-1 to MLV 237-1: Pig Run - Gauge/Cleaning (M) (3/30/2026)
986
(231)
Sta 245 West Winfield: Annual ESD Test & Maintenance (4/30/2026 - 5/8/2026)
MLV 256 West
(segment 249 FH)
1,203
535
(668)
MLV 249-2 to MLV 254-2: Cal/IMU (4/29/2026)
MLV 249-2 to MLV 254-2: Gauge/Cleaning tool (4/28/2026) MLV 249-2 to MLV 254-2: MFL-C (4/30/2026)
Station 254
(segment 256 FH)
1040
(163)
MLV 254-3 to MLV 258-3A: Pig Runs - Cal/IMU/MFL-A Combo - 4/14/26 (4/14/2026)
MLV 254-3 to MLV 258-3A: Pig Runs - Gauge/Cleaning tool - 4/13/26
(4/13/2026)
888
1,153
1,823
1,767
794
680
(114)
Sta 313 to Sta 237: Pig Run - Cleaning Run (HC Line) (4/14/2026) Sta 405A: Unit Water Wash (4/14/2026)
Station 224
(segment 224 FH)
388
(188)
MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (4/8/2026 - 4/9/2026)
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.
Your session will expire in . Click OK to renew your session.
