Tennessee Gas Pipeline Notice 397496

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All information here is provided as a service and information is not guaranteed to be accurate. PipeRiv is not responsible for any incorrect information.

TSP/TSP Name:  1939164-TENNESSEE GAS PIPELINE Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  12/04/2025 2:02:37PM Notice End Date/Time:  12/05/2025 9:00:00am
Post Date/Time:  12/4/2025 2:02:37 PM Notice ID: 397496
Reqrd Rsp:  1 Rsp Date:  12/04/2025
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 12/04/25)

 

 

-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

(12/8)

Tuesday

(12/9)

Wednesday

(12/10)

Thursday

(12/11)

Friday

(12/12)

Saturday

(12/13)

Sunday

(12/14)

 

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 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

Station 17

(segment 117 FH)

 

 

1,143

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

 

1,143

 

 

1,143

MLV 16-3 to MLV 17-3: Immediate Anomaly Dig (12/1/2025 - 12/12/2025)

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 132 FH)

 

 

1,299

 

 

1,299

 

 

1,299

 

1286

(13)

 

 

1,299

 

 

1,299

 

 

1,299

 

 

1,299

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (12/10/2025)

 

Station 47

(segment 143 FH)

 

 

1,354

 

905

(449)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026) MLV 47-3A to MLV 48-3: Pipe Replacement (11/21/2025 - 12/8/2025) MLV 53-3BR to MLV 54-3BL: HydroTest (11/12/2025 - 12/16/2025)

Sta 54: Unit 6B - Power Overhaul (10/1/2025 - 12/12/2025)

Sta 54: Unit 8B - Power Overhaul (10/1/2025 - 12/12/2025)

Station 63

(segment 163 FH)

 

 

1,287

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

MLV 66-2 to MLV 67-2: Immediate Anomaly Remediation (11/26/2025 - 12/17/2025)

Station 823

(segment 823 BH)

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

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 - 1/2/2026)

Station 847

(segment 847 BH)

 

 

338

 

 

338

 

200

(138)

 

 

338

 

200

(138)

 

 

338

 

 

338

 

 

338

MLV 856-1 to MLV 860-1: Pig Runs - Cal / IMU 12/9/25 (12/9/2025) MLV 856-1 to MLV 860-1: Pig Runs - MFL-C 12/11/25 (12/11/2025)

 

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1210

(422)

 

 

 

 

 

1210

(422)

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 4A - Piston (8/25/2025 - 12/12/2025)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

MLV 548

(segment 542 BH)

 

 

1,771

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1750

(21)

 

1750

(21)

Sta 546: Unit 4A - Engine and Compressor Overhaul (11/3/2025 - 12/12/2025) Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

 

1,697

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

Sta 550: Unit 3A - Turbocharger Exchange (12/8/2025 - 12/19/2025)

Station 860 North (Segment 860 BH)

 

 

2,028

 

2000

(28)

 

2000

(28)

 

1620

(408)

 

2000

(28)

 

1620

(408)

 

2000

(28)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - Caliper (12/12/2025) MLV 559-2 to MLV 565-2: Pig Run - Gauge (12/10/2025)

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

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,775

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

MLV 108-2 to MLV 109-2: Special Permit Pipe Replacement (M) (11/1/2025 - 12/13/2025)

MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (10/23/2025 - 12/19/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026)

Sta 87: Unit 2E - Turbocharger Replacement (10/27/2025 - 12/12/2025) Sta 871: Unit 2A - Turbo (11/6/2025 - 12/23/2025)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026) Sta 96: Unit 1D - Compressor Valves (12/1/2025 - 12/12/2025)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 


 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 12/04/25)

 

 

-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

(12/8)

Tuesday

(12/9)

Wednesday

(12/10)

Thursday

(12/11)

Friday

(12/12)

Saturday

(12/13)

Sunday

(12/14)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 204

(Segment 204 BH)

 

 

1,895

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1,895

 

1,895

Sta 200: Unit 12A - Engine Maintenance (12/8/2025 - 12/12/2025)

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)

 

336

(157)

 

336

(157)

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 12/19/2025)

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

 

1485

(430)

 

 

1,915

 

 

1,915

 

 

1,915

Sta 315: Station Software Updates - UPS Install - Catalyst Cleaning (12/11/2025)

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

 

Station 224

(segment 224 FH)

 

 

399

 

205

(194)

 

205

(194)

 

205

(194)

 

 

399

 

 

399

 

 

399

 

 

399

Sta 229: Automation Upgrade for Air Compressor (M) (12/8/2025 - 12/10/2025)

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

 

December 2025 (updated 12/04/25)

 

-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

(12/1 - 12/7)

Week 2

(12/8 - 12/14)

Week 3

(12/15 - 12/21)

Week 4

(12/22 - 12/28)

 

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 BH)

 

 

1,066

 

 

 

 

1,066

 

 

1,066

 

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 KN South (segment 501 FH)

 

 

285

 

 

 

100

(185)

 

 

285

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (12/16/2025)

Station 47

(segment 143 FH)

 

 

1,354

 

 

 

950

(404)

 

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026) MLV 53-3BR to MLV 54-3BL: HydroTest (11/12/2025 - 12/16/2025)

Station 63

(segment 163 FH)

 

 

1,287

 

 

 

1195

(92)

 

 

1,287

MLV 66-2 to MLV 67-2: Immediate Anomaly Remediation (11/26/2025 - 12/17/2025)

Station 823

(segment 823 BH)

 

 

759

 

 

 

 

759

 

 

759

 

Station 834

(segment 834 BH)

 

 

733

 

 

 

720

(13)

 

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/2/2026)

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

Station 542

(segment 539 BH)

 

 

1,905

 

 

 

1870

(35)

 

 

1,905

Sta 542: Unit 4A - Cooler Fan (12/15/2025 - 12/16/2025)

MLV 548

(segment 542 BH)

 

 

1,771

 

 

 

1750

(21)

 

1750

(21)

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

Station 860

(segment 548 BH)

 

 

1,697

 

 

 

1680

(17)

 

 

1,697

Sta 550: Unit 3A - Turbocharger Exchange (12/8/2025 - 12/19/2025)

Station 860 North (Segment 860 BH)

 

 

2,028

 

 

 

1620

(408)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (12/18/2025) MLV 559-2 to MLV 565-2: Pig Run - MFL (12/16/2025)

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


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

December 2025 (updated 12/04/25)

 

-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

(12/1 - 12/7)

Week 2

(12/8 - 12/14)

Week 3

(12/15 - 12/21)

Week 4

(12/22 - 12/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

2,775

 

 

 

 

 

2455

(320)

 

 

 

2535

(240)

MLV 102-1A to MLV 103-1: Anomaly Remediation (M) (12/15/2025 - 12/19/2025)

MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (10/23/2025 - 12/19/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026) Sta 871: Unit 2A - Turbo (11/6/2025 - 12/23/2025)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

 

 

948

 

 

948

 

Station 204

(Segment 204 BH)

 

 

1,895

 

 

 

1722

(173)

 

 

1,895

MLV 204-2 to MLV 200-2: Pig Runs - EMAT 12/18/25 (M) (12/18/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 12/16/25 (M) (12/16/2025)

Station 245

(segment 245 FH)

 

 

1,053

 

 

 

 

1,053

 

 

1,053

 

Station 261 Discharge East (segment 261 FH)

 

 

1,035

 

 

 

 

1,035

 

 

1,035

 

Station 267 South (segment 266 FH)

 

 

493

 

 

 

336

(157)

 

 

493

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 12/19/2025)

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

 

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 12/04/25)

 

 

-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

 

 

585

 

 

585

 

 

585

 

Station 1

(segment 101 BH)

 

 

438

 

 

438

 

 

438

 

 

438

 

 

438

 

 

438

 

Station 9

(segment 109 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

Station 25

(segment 125 FH)

 

 

1,101

 

1085

(16)

 

1085

(16)

 

1085

(16)

 

1085

(16)

 

1085

(16)

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)

 

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

 

Station 823

(segment 823 BH)

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

Station 834

(segment 834 BH)

 

 

733

 

720

(13)

 

 

733

 

 

733

 

 

733

 

 

733

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/2/2026)

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

MLV 548

(segment 542 BH)

 

 

1,771

 

1750

(21)

 

1750

(21)

 

1750

(21)

 

1750

(21)

 

1750

(21)

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

 

Station 860 North (Segment 860 BH)

 

 

2,028

 

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)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

 

948

 

785

(163)

 

 

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

 


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 12/04/25)

 

 

-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 245

(segment 245 FH)

 

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

 

Station 307

(segment 307 BH)

 

 

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

 

MLV 324

(segment 324 FH)

 

 

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

 

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 12/04/25)

 

-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 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

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

 

 

759

 

 

759

 

 

759

 

 

759

 

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

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2026)

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

 

2770

(5)

 

 

2,775

 

 

2,775

 

 

2,775

Sta 871: Unit 1A - 3Q Engine Inspection (2/4/2026) Sta 871: Unit 2A - 3Q Engine Inspection (2/3/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

845

(103)

 

 

948

 

 

948

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


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 12/04/25)

 

-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 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

 

 

1,053

 

 

1,053

 

 

1,053

 

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:  12/04/2025 2:02:37PM Notice End Date/Time:  12/05/2025 9:00:00am
Post Date/Time:  12/4/2025 2:02:37 PM Notice ID: 397496
Reqrd Rsp:  1 Rsp Date:  12/04/2025
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 12/04/25)

 

 

-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

(12/8)

Tuesday

(12/9)

Wednesday

(12/10)

Thursday

(12/11)

Friday

(12/12)

Saturday

(12/13)

Sunday

(12/14)

 

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 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

Station 17

(segment 117 FH)

 

 

1,143

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

1130

(13)

 

 

1,143

 

 

1,143

MLV 16-3 to MLV 17-3: Immediate Anomaly Dig (12/1/2025 - 12/12/2025)

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 132 FH)

 

 

1,299

 

 

1,299

 

 

1,299

 

1286

(13)

 

 

1,299

 

 

1,299

 

 

1,299

 

 

1,299

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (12/10/2025)

 

Station 47

(segment 143 FH)

 

 

1,354

 

905

(449)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

 

950

(404)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026) MLV 47-3A to MLV 48-3: Pipe Replacement (11/21/2025 - 12/8/2025) MLV 53-3BR to MLV 54-3BL: HydroTest (11/12/2025 - 12/16/2025)

Sta 54: Unit 6B - Power Overhaul (10/1/2025 - 12/12/2025)

Sta 54: Unit 8B - Power Overhaul (10/1/2025 - 12/12/2025)

Station 63

(segment 163 FH)

 

 

1,287

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

 

1195

(92)

MLV 66-2 to MLV 67-2: Immediate Anomaly Remediation (11/26/2025 - 12/17/2025)

Station 823

(segment 823 BH)

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

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 - 1/2/2026)

Station 847

(segment 847 BH)

 

 

338

 

 

338

 

200

(138)

 

 

338

 

200

(138)

 

 

338

 

 

338

 

 

338

MLV 856-1 to MLV 860-1: Pig Runs - Cal / IMU 12/9/25 (12/9/2025) MLV 856-1 to MLV 860-1: Pig Runs - MFL-C 12/11/25 (12/11/2025)

 

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1050

(582)

 

 

 

 

 

1210

(422)

 

 

 

 

 

1210

(422)

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 4A - Piston (8/25/2025 - 12/12/2025)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

MLV 548

(segment 542 BH)

 

 

1,771

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1735

(36)

 

1750

(21)

 

1750

(21)

Sta 546: Unit 4A - Engine and Compressor Overhaul (11/3/2025 - 12/12/2025) Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 1/31/2026)

Station 860

(segment 548 BH)

 

 

1,697

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

 

1680

(17)

Sta 550: Unit 3A - Turbocharger Exchange (12/8/2025 - 12/19/2025)

Station 860 North (Segment 860 BH)

 

 

2,028

 

2000

(28)

 

2000

(28)

 

1620

(408)

 

2000

(28)

 

1620

(408)

 

2000

(28)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - Caliper (12/12/2025) MLV 559-2 to MLV 565-2: Pig Run - Gauge (12/10/2025)

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

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,775

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

 

 

 

 

2455

(320)

MLV 108-2 to MLV 109-2: Special Permit Pipe Replacement (M) (11/1/2025 - 12/13/2025)

MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (10/23/2025 - 12/19/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026)

Sta 87: Unit 2E - Turbocharger Replacement (10/27/2025 - 12/12/2025) Sta 871: Unit 2A - Turbo (11/6/2025 - 12/23/2025)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026) Sta 96: Unit 1D - Compressor Valves (12/1/2025 - 12/12/2025)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 

 

948

 


 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 12/04/25)

 

 

-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

(12/8)

Tuesday

(12/9)

Wednesday

(12/10)

Thursday

(12/11)

Friday

(12/12)

Saturday

(12/13)

Sunday

(12/14)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 204

(Segment 204 BH)

 

 

1,895

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1877

(18)

 

1,895

 

1,895

Sta 200: Unit 12A - Engine Maintenance (12/8/2025 - 12/12/2025)

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)

 

336

(157)

 

336

(157)

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 12/19/2025)

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

 

1485

(430)

 

 

1,915

 

 

1,915

 

 

1,915

Sta 315: Station Software Updates - UPS Install - Catalyst Cleaning (12/11/2025)

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

 

Station 224

(segment 224 FH)

 

 

399

 

205

(194)

 

205

(194)

 

205

(194)

 

 

399

 

 

399

 

 

399

 

 

399

Sta 229: Automation Upgrade for Air Compressor (M) (12/8/2025 - 12/10/2025)

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

 

December 2025 (updated 12/04/25)

 

-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

(12/1 - 12/7)

Week 2

(12/8 - 12/14)

Week 3

(12/15 - 12/21)

Week 4

(12/22 - 12/28)

 

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 BH)

 

 

1,066

 

 

 

 

1,066

 

 

1,066

 

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 KN South (segment 501 FH)

 

 

285

 

 

 

100

(185)

 

 

285

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (12/16/2025)

Station 47

(segment 143 FH)

 

 

1,354

 

 

 

950

(404)

 

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/16/2026) MLV 53-3BR to MLV 54-3BL: HydroTest (11/12/2025 - 12/16/2025)

Station 63

(segment 163 FH)

 

 

1,287

 

 

 

1195

(92)

 

 

1,287

MLV 66-2 to MLV 67-2: Immediate Anomaly Remediation (11/26/2025 - 12/17/2025)

Station 823

(segment 823 BH)

 

 

759

 

 

 

 

759

 

 

759

 

Station 834

(segment 834 BH)

 

 

733

 

 

 

720

(13)

 

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/2/2026)

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

Station 542

(segment 539 BH)

 

 

1,905

 

 

 

1870

(35)

 

 

1,905

Sta 542: Unit 4A - Cooler Fan (12/15/2025 - 12/16/2025)

MLV 548

(segment 542 BH)

 

 

1,771

 

 

 

1750

(21)

 

1750

(21)

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

Station 860

(segment 548 BH)

 

 

1,697

 

 

 

1680

(17)

 

 

1,697

Sta 550: Unit 3A - Turbocharger Exchange (12/8/2025 - 12/19/2025)

Station 860 North (Segment 860 BH)

 

 

2,028

 

 

 

1620

(408)

 

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (12/18/2025) MLV 559-2 to MLV 565-2: Pig Run - MFL (12/16/2025)

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


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

December 2025 (updated 12/04/25)

 

-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

(12/1 - 12/7)

Week 2

(12/8 - 12/14)

Week 3

(12/15 - 12/21)

Week 4

(12/22 - 12/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

2,775

 

 

 

 

 

2455

(320)

 

 

 

2535

(240)

MLV 102-1A to MLV 103-1: Anomaly Remediation (M) (12/15/2025 - 12/19/2025)

MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (10/23/2025 - 12/19/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026) Sta 871: Unit 2A - Turbo (11/6/2025 - 12/23/2025)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

 

 

948

 

 

948

 

Station 204

(Segment 204 BH)

 

 

1,895

 

 

 

1722

(173)

 

 

1,895

MLV 204-2 to MLV 200-2: Pig Runs - EMAT 12/18/25 (M) (12/18/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 12/16/25 (M) (12/16/2025)

Station 245

(segment 245 FH)

 

 

1,053

 

 

 

 

1,053

 

 

1,053

 

Station 261 Discharge East (segment 261 FH)

 

 

1,035

 

 

 

 

1,035

 

 

1,035

 

Station 267 South (segment 266 FH)

 

 

493

 

 

 

336

(157)

 

 

493

Sta 267: Bldg A Controls Upgrade (9/2/2025 - 12/19/2025)

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

 

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 12/04/25)

 

 

-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

 

 

585

 

 

585

 

 

585

 

Station 1

(segment 101 BH)

 

 

438

 

 

438

 

 

438

 

 

438

 

 

438

 

 

438

 

Station 9

(segment 109 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

Station 25

(segment 125 FH)

 

 

1,101

 

1085

(16)

 

1085

(16)

 

1085

(16)

 

1085

(16)

 

1085

(16)

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)

 

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

 

Station 823

(segment 823 BH)

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

 

759

 

Station 834

(segment 834 BH)

 

 

733

 

720

(13)

 

 

733

 

 

733

 

 

733

 

 

733

Sta 834: Unit 6A - Overhaul (3/3/2025 - 1/2/2026)

 

 

 

Station 534 South of Pool (segment 530 BH)

 

 

 

 

 

1,632

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2025)

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

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 12/31/2026)

MLV 548

(segment 542 BH)

 

 

1,771

 

1750

(21)

 

1750

(21)

 

1750

(21)

 

1750

(21)

 

1750

(21)

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

 

Station 860 North (Segment 860 BH)

 

 

2,028

 

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)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 1/30/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 1/30/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

 

948

 

785

(163)

 

 

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

 


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

January 2026 (updated 12/04/25)

 

 

-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 245

(segment 245 FH)

 

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

 

Station 307

(segment 307 BH)

 

 

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

 

MLV 324

(segment 324 FH)

 

 

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

 

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 12/04/25)

 

-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 BH)

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

 

1,066

 

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

 

 

759

 

 

759

 

 

759

 

 

759

 

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

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

 

 

 

 

1210

(422)

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 - 12/31/2026)

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

 

2770

(5)

 

 

2,775

 

 

2,775

 

 

2,775

Sta 871: Unit 1A - 3Q Engine Inspection (2/4/2026) Sta 871: Unit 2A - 3Q Engine Inspection (2/3/2026)

Station 114

(segment 114 BH)

 

 

948

 

 

948

 

845

(103)

 

 

948

 

 

948

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


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

February 2026 (updated 12/04/25)

 

-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 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

 

 

1,053

 

 

1,053

 

 

1,053

 

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.