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TGP Outage Impact Report

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TSP/TSP Name:  1939164-TENNESSEE GAS PIPELINE Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  01/08/2026 1:39:26PM Notice End Date/Time:  01/09/2026 9:00:00am
Post Date/Time:  1/8/2026 1:39:26 PM Notice ID: 398301
Reqrd Rsp:  1 Rsp Date:  01/08/2026
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  TGP Outage Impact Report
Notice Text:

 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 01/08/26)

 

 

-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

(1/12)

Tuesday

(1/13)

Wednesday

(1/14)

Thursday

(1/15)

Friday

(1/16)

Saturday

(1/17)

Sunday

(1/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

 

585

 

585

 

585

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

438

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

1,022

750

(272)

 

1,022

750

(272)

 

1,022

 

1,022

 

1,022

MLV 1-1D to MLV 9-1S: Pig Run - CLP/MFL/IMU (M) (1/13/2026) MLV 1-1D to MLV 9-1S: Pig Run - TDW MDS (M) (1/15/2026)

Station 25

(segment 125 FH)

 

1,101

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

 

Station 40 South

(segment 139 FH)

 

 

1,659

 

1359

(300)

 

1359

(300)

 

1359

(300)

 

1359

(300)

 

1335

(324)

 

1359

(300)

 

1359

(300)

MLV 40-3DL to MLV 41-3A: PHMSA Immediate Digs (12/16/2025 - 1/12/2026)

MLV 42-3 to MLV 43-3: PHMSA Immediate Digs (1/12/2026 - 1/20/2026) Sta 40: ESD Panel Install (1/16/2026)

Sta 500C1: Unit 1A - Emergent Repair (1/3/2026 - 1/23/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 834

(segment 834 BH)

 

733

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/31/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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 530: Unit 8A - Power Cylinders (9/23/2025 - 1/16/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 3/27/2026)

MLV 548

(segment 542 BH)

 

1,771

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 1/31/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

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

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

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

 

948

785

(163)

 

948

 

948

 

948

 

948

 

948

Sta 114: Unit 1D - Solar Turbine Inspection (1/13/2026)

Station 204

(Segment 204 BH)

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

Station 245

(segment 245 FH)

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 267 South (segment 266

FH)

 

493

 

336

(157)

 

336

(157)

 

336

(157)

 

336

(157)

 

336

(157)

 

493

 

493

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 1/16/2026)

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

817

 

817

 

817

 

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.


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 01/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(12/29 - 1/4)

Week 2

(1/5 - 1/11)

Week 3

(1/12 - 1/18)

Week 4

(1/19 - 1/25)

Week 5

(1/26 - 2/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

 

 

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

 

 

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

 

 

750

(272)

 

1,022

MLV 1-1D to MLV 9-1S: Pig Run - EMAT (M) (1/20/2026) MLV 1-1D to MLV 9-1S: Pig Run - EMAT (M) (1/22/2026)

Station 25

(segment 125 FH)

 

1,101

 

 

 

1085

(16)

1085

(16)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 40 South

(segment 139 FH)

 

1,659

 

 

 

 

1359

(300)

 

1,659

MLV 42-3 to MLV 43-3: PHMSA Immediate Digs (1/12/2026 - 1/20/2026) Sta 500C1: Unit 1A - Emergent Repair (1/3/2026 - 1/23/2026)

Station 47

(segment 143 FH)

 

1,354

 

 

 

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

 

 

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

 

 

 

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 834

(segment 834 BH)

 

733

 

 

 

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/31/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

 

 

1735

(36)

1735

(36)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 1/31/2026) Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

1,697

 

 

 

 

1,697

 

1,697

 

Station 860 North (Segment 860

BH)

 

2,028

 

 

 

 

1715

(313)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (Re-run) (1/22/2026)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,775

 

 

 

 

2392

(383)

 

2595

(180)

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) Sta 875: Unit 1A- 4K Solar Turbine Inspection (1/20/2026 - 1/22/2026)

Sta 96: Unit 1D - Compressor Valves (1/20/2026 - 1/30/2026)

Station 114

(segment 114 BH)

 

948

 

 

 

 

948

 

948

 

Station 204

(Segment 204 BH)

 

1,895

 

 

 

 

1,895

1797

(98)

Sta 200: Unit 1B - GHG Maintenance (1/26/2026 - 1/30/2026)

Station 245

(segment 245 FH)

 

1,053

 

 

 

 

1,053

1008

(45)

Sta 241: Unit 2B - 2K Maintenance (1/27/2026)

Station 261 Discharge East (segment 261

FH)

 

1,035

 

 

 

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

 

 

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

 

 

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

 

 

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

 

 

 

817

 

817

 


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 01/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(12/29 - 1/4)

Week 2

(1/5 - 1/11)

Week 3

(1/12 - 1/18)

Week 4

(1/19 - 1/25)

Week 5

(1/26 - 2/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

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.


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

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)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

 

Station 9

(segment 109 FH)

 

 

1,022

 

385

(637)

 

385

(637)

 

 

1,022

 

 

1,022

MLV 9-1D TO MLV 17-1S: Pig Run - Cleaning / Gauge (M) (2/2/2026) MLV 9-1D TO MLV 17-1S: Pig Run - Cleaning / Gauge (M) (2/3/2026) MLV 9-1D TO MLV 17-1S: Pig Run - EMAT (M) (2/9/2026)

MLV 9-1D TO MLV 17-1S: Pig Run - MFL-A (M) (2/4/2026)

MLV 9-1D TO MLV 17-1S: Pig Run - MFL-C (M) (2/6/2026)

Station 25

(segment 125 FH)

 

1,101

1085

(16)

1085

(16)

1085

(16)

1085

(16)

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)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 847

(segment 847 BH)

 

338

 

338

200

(138)

 

338

 

338

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)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

1,771

 

1,771

 

1,771

 

1,771

 

Station 860

(segment 548 BH)

 

1,697

 

1,697

 

1,697

 

975

(722)

 

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)

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

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

 

 

2493

(282)

 

 

2645

(130)

 

 

2391

(384)

 

 

2645

(130)

MLV 87-4 to MLV 96-4: Pig Re-Runs - EMAT 2/18/26 (M) (2/18/2026)

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)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/16/2026)

Station 114

(segment 114 BH)

 

948

 

948

845

(103)

 

948

 

948

Sta 119A: Unit 1A - Solar Turbine Inspection (2/10/2026)

Station 204

(Segment 204 BH)

 

1,895

 

1823

(72)

 

1823

(72)

 

1,895

 

1,895

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)

Station 245

(segment 245 FH)

 

1,053

 

1,053

1008

(45)

 

1,053

 

1,053

Sta 241: Unit 1B - 2K Maintenance (2/10/2026)

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

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)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

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.


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

March 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

1,022

 

1,022

 

1,022

 

1,022

 

Station 17

(segment 117 FH)

 

1,143

 

1,143

 

1,143

1130

(13)

1130

(13)

MLV 19-1 TO MLV 20-1A: Pipe Replacement (3/16/2026 - 5/15/2026)

Station 25

(segment 125 FH)

 

1,101

 

1085

(16)

 

580

(521)

 

1060

(41)

 

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 (3/14/2026 - 4/6/2026)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 40 South

(segment 132 FH)

 

1,299

 

1,299

 

1,299

 

1,299

 

1,299

MLV 32-1D to MLV 36-1TXR: Anomaly Remediation (3/16/2026 - 3/20/2026) MLV 32-1D to MLV 36-1TXR: Anomaly Remediation (3/16/2026 - 3/20/2026)

Station 40 North

(segment 140 FH)

 

1,348

 

1,348

 

1,348

 

1,348

 

1,348

MLV 40-2D to MLV 42-2BR: Anomaly Remediation (3/23/2026 - 3/27/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1035

(319)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

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)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

1,771

 

1,771

 

1,771

 

1,771

 

 

Station 860

(segment 548 BH)

 

 

1,697

 

 

1680

(17)

 

 

1555

(142)

 

 

1555

(142)

 

 

1680

(17)

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) Sta 555: Unit 5A - Foundation Replacement (3/2/2026 - 5/29/2026)

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

MLV 555-1L to MLV 558-1R: Anomaly Remediation (3/16/2026 - 4/3/2026) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

2,775

 

 

2246

(529)

 

 

2246

(529)

 

 

2645

(130)

 

 

 

2,775

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 106: Unit 1D - 8K Solar Turbine Inspection (3/3/2026 - 3/5/2026)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/16/2026)

Station 114

(segment 114 BH)

 

948

 

948

 

948

755

(193)

 

948

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)

Station 204

(Segment 204 BH)

 

1,895

 

1,895

 

1762

(133)

 

1762

(133)

 

1,895

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)

Station 245

(segment 245 FH)

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

March 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

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.

 

TSP/TSP Name:  1939164-TENNESSEE GAS PIPELINE Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  01/08/2026 1:39:26PM Notice End Date/Time:  01/09/2026 9:00:00am
Post Date/Time:  1/8/2026 1:39:26 PM Notice ID: 398301
Reqrd Rsp:  1 Rsp Date:  01/08/2026
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  TGP Outage Impact Report
Notice Text:

 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 01/08/26)

 

 

-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

(1/12)

Tuesday

(1/13)

Wednesday

(1/14)

Thursday

(1/15)

Friday

(1/16)

Saturday

(1/17)

Sunday

(1/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

 

585

 

585

 

585

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

438

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

1,022

750

(272)

 

1,022

750

(272)

 

1,022

 

1,022

 

1,022

MLV 1-1D to MLV 9-1S: Pig Run - CLP/MFL/IMU (M) (1/13/2026) MLV 1-1D to MLV 9-1S: Pig Run - TDW MDS (M) (1/15/2026)

Station 25

(segment 125 FH)

 

1,101

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

1085

(16)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

 

Station 40 South

(segment 139 FH)

 

 

1,659

 

1359

(300)

 

1359

(300)

 

1359

(300)

 

1359

(300)

 

1335

(324)

 

1359

(300)

 

1359

(300)

MLV 40-3DL to MLV 41-3A: PHMSA Immediate Digs (12/16/2025 - 1/12/2026)

MLV 42-3 to MLV 43-3: PHMSA Immediate Digs (1/12/2026 - 1/20/2026) Sta 40: ESD Panel Install (1/16/2026)

Sta 500C1: Unit 1A - Emergent Repair (1/3/2026 - 1/23/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 834

(segment 834 BH)

 

733

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/31/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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 530: Unit 8A - Power Cylinders (9/23/2025 - 1/16/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 3/27/2026)

MLV 548

(segment 542 BH)

 

1,771

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

1735

(36)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 1/31/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

1,697

 

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

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

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

 

2645

(130)

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

 

948

785

(163)

 

948

 

948

 

948

 

948

 

948

Sta 114: Unit 1D - Solar Turbine Inspection (1/13/2026)

Station 204

(Segment 204 BH)

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

1,895

 

Station 245

(segment 245 FH)

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 267 South (segment 266

FH)

 

493

 

336

(157)

 

336

(157)

 

336

(157)

 

336

(157)

 

336

(157)

 

493

 

493

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 1/16/2026)

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

817

 

817

 

817

 

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.


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 01/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(12/29 - 1/4)

Week 2

(1/5 - 1/11)

Week 3

(1/12 - 1/18)

Week 4

(1/19 - 1/25)

Week 5

(1/26 - 2/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

 

 

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

 

 

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

 

 

750

(272)

 

1,022

MLV 1-1D to MLV 9-1S: Pig Run - EMAT (M) (1/20/2026) MLV 1-1D to MLV 9-1S: Pig Run - EMAT (M) (1/22/2026)

Station 25

(segment 125 FH)

 

1,101

 

 

 

1085

(16)

1085

(16)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 40 South

(segment 139 FH)

 

1,659

 

 

 

 

1359

(300)

 

1,659

MLV 42-3 to MLV 43-3: PHMSA Immediate Digs (1/12/2026 - 1/20/2026) Sta 500C1: Unit 1A - Emergent Repair (1/3/2026 - 1/23/2026)

Station 47

(segment 143 FH)

 

1,354

 

 

 

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

 

 

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

 

 

 

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 834

(segment 834 BH)

 

733

 

 

 

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/31/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

 

 

1735

(36)

1735

(36)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 1/31/2026) Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

1,697

 

 

 

 

1,697

 

1,697

 

Station 860 North (Segment 860

BH)

 

2,028

 

 

 

 

1715

(313)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (Re-run) (1/22/2026)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,775

 

 

 

 

2392

(383)

 

2595

(180)

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) Sta 875: Unit 1A- 4K Solar Turbine Inspection (1/20/2026 - 1/22/2026)

Sta 96: Unit 1D - Compressor Valves (1/20/2026 - 1/30/2026)

Station 114

(segment 114 BH)

 

948

 

 

 

 

948

 

948

 

Station 204

(Segment 204 BH)

 

1,895

 

 

 

 

1,895

1797

(98)

Sta 200: Unit 1B - GHG Maintenance (1/26/2026 - 1/30/2026)

Station 245

(segment 245 FH)

 

1,053

 

 

 

 

1,053

1008

(45)

Sta 241: Unit 2B - 2K Maintenance (1/27/2026)

Station 261 Discharge East (segment 261

FH)

 

1,035

 

 

 

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

 

 

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

 

 

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

 

 

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

 

 

 

817

 

817

 


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 01/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(12/29 - 1/4)

Week 2

(1/5 - 1/11)

Week 3

(1/12 - 1/18)

Week 4

(1/19 - 1/25)

Week 5

(1/26 - 2/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

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.


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

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)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

 

Station 9

(segment 109 FH)

 

 

1,022

 

385

(637)

 

385

(637)

 

 

1,022

 

 

1,022

MLV 9-1D TO MLV 17-1S: Pig Run - Cleaning / Gauge (M) (2/2/2026) MLV 9-1D TO MLV 17-1S: Pig Run - Cleaning / Gauge (M) (2/3/2026) MLV 9-1D TO MLV 17-1S: Pig Run - EMAT (M) (2/9/2026)

MLV 9-1D TO MLV 17-1S: Pig Run - MFL-A (M) (2/4/2026)

MLV 9-1D TO MLV 17-1S: Pig Run - MFL-C (M) (2/6/2026)

Station 25

(segment 125 FH)

 

1,101

1085

(16)

1085

(16)

1085

(16)

1085

(16)

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)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

Station 847

(segment 847 BH)

 

338

 

338

200

(138)

 

338

 

338

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)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

1,771

 

1,771

 

1,771

 

1,771

 

Station 860

(segment 548 BH)

 

1,697

 

1,697

 

1,697

 

975

(722)

 

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)

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

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

 

 

2493

(282)

 

 

2645

(130)

 

 

2391

(384)

 

 

2645

(130)

MLV 87-4 to MLV 96-4: Pig Re-Runs - EMAT 2/18/26 (M) (2/18/2026)

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)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/16/2026)

Station 114

(segment 114 BH)

 

948

 

948

845

(103)

 

948

 

948

Sta 119A: Unit 1A - Solar Turbine Inspection (2/10/2026)

Station 204

(Segment 204 BH)

 

1,895

 

1823

(72)

 

1823

(72)

 

1,895

 

1,895

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)

Station 245

(segment 245 FH)

 

1,053

 

1,053

1008

(45)

 

1,053

 

1,053

Sta 241: Unit 1B - 2K Maintenance (2/10/2026)

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

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)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

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.


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

March 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

585

 

585

 

585

 

585

 

585

 

Station 1

(segment 101 BH)

 

438

 

438

 

438

 

438

 

438

 

Station 9

(segment 109 FH)

 

1,022

 

1,022

 

1,022

 

1,022

 

1,022

 

Station 17

(segment 117 FH)

 

1,143

 

1,143

 

1,143

1130

(13)

1130

(13)

MLV 19-1 TO MLV 20-1A: Pipe Replacement (3/16/2026 - 5/15/2026)

Station 25

(segment 125 FH)

 

1,101

 

1085

(16)

 

580

(521)

 

1060

(41)

 

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 (3/14/2026 - 4/6/2026)

Sta 25: Unit 1C - VFD Replacement (7/16/2025 - 10/31/2026)

Station 40 South

(segment 132 FH)

 

1,299

 

1,299

 

1,299

 

1,299

 

1,299

MLV 32-1D to MLV 36-1TXR: Anomaly Remediation (3/16/2026 - 3/20/2026) MLV 32-1D to MLV 36-1TXR: Anomaly Remediation (3/16/2026 - 3/20/2026)

Station 40 North

(segment 140 FH)

 

1,348

 

1,348

 

1,348

 

1,348

 

1,348

MLV 40-2D to MLV 42-2BR: Anomaly Remediation (3/23/2026 - 3/27/2026)

Station 47

(segment 143 FH)

 

1,354

1349

(5)

1349

(5)

1349

(5)

1035

(319)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026)

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)

Station 63

(segment 163 FH)

 

1,287

 

1,287

 

1,287

 

1,287

 

1,287

 

Station 823

(segment 823 BH)

 

759

725

(34)

725

(34)

725

(34)

725

(34)

Sta 823: Unit 11A - Jacket Water Pump (1/6/2026 - 3/23/2026)

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

1,632

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

1400

(232)

 

 

 

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)

MLV 548

(segment 542 BH)

 

1,771

 

1,771

 

1,771

 

1,771

 

1,771

 

 

Station 860

(segment 548 BH)

 

 

1,697

 

 

1680

(17)

 

 

1555

(142)

 

 

1555

(142)

 

 

1680

(17)

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) Sta 555: Unit 5A - Foundation Replacement (3/2/2026 - 5/29/2026)

Station 860 North (Segment 860

BH)

 

2,028

 

2000

(28)

 

2000

(28)

 

2000

(28)

 

2000

(28)

MLV 555-1L to MLV 558-1R: Anomaly Remediation (3/16/2026 - 4/3/2026) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026)

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

2,775

 

 

2246

(529)

 

 

2246

(529)

 

 

2645

(130)

 

 

 

2,775

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 106: Unit 1D - 8K Solar Turbine Inspection (3/3/2026 - 3/5/2026)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/16/2026)

Station 114

(segment 114 BH)

 

948

 

948

 

948

755

(193)

 

948

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)

Station 204

(Segment 204 BH)

 

1,895

 

1,895

 

1762

(133)

 

1762

(133)

 

1,895

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)

Station 245

(segment 245 FH)

 

1,053

 

1,053

 

1,053

 

1,053

 

1,053

 


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

March 2026 (updated 01/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

-Little to no impact, though minor outages may cause incremental reductions

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

1,035

 

1,035

 

1,035

 

1,035

 

1,035

 

Station 307

(segment 307 BH)

 

1,202

 

1,202

 

1,202

 

1,202

 

1,202

 

Station 315

(segment 315 BH)

 

1,915

 

1,915

 

1,915

 

1,915

 

1,915

 

MLV 324

(segment 324 FH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 405 HC Line (segment 299

FH)

 

817

 

817

 

817

 

817

 

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.