Tennessee Gas Pipeline Notice 404808

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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:  10/08/2026 2:33:05PM Notice End Date/Time:  10/09/2026 9:00:00am Post Date/Time:  10/8/2026 2:33:05 PM Notice ID: 404808 Reqrd Rsp:  1 Rsp Date/Time:  10/8/2026 12:00:00 AM 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 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

 

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(10/12)

Tuesday

(10/13)

Wednesday

(10/14)

Thursday

(10/15)

Friday

(10/16)

Saturday

(10/17)

Sunday

(10/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A

(Alamo) (segment 492 FH)

 

274

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

Station 9

(segment 109 BH)

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

Station 17

(segment 117 FH)

 

1,122

 

1,122

980

(142)

 

1,122

 

1,122

 

1,122

 

1,122

 

1,122

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (10/13/2026) Sta 25: Annual ESD Test (10/13/2026)

Station 25

(segment 125 FH)

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,277

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Station 47

(segment 143 FH)

 

1,343

1290

(53)

1290

(53)

1290

(53)

1290

(53)

1300

(43)

1300

(43)

1300

(43)

Sta 47: Unit 1D - 16K hour Overhaul (10/5/2026 - 10/15/2026)

MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)

 

Station 63

(segment 163 FH)

 

 

1,242

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026) MLV 82-1 to MLV 87-1: Pig Run - Cal/IMU (10/12/2026)

MLV 82-1 to MLV 87-1: Pig Run - AFD/Cal/IMU (10/13/2026)

MLV 82-1 to MLV 87-1: Pig Run - EMAT (10/15/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

670

(13)

670

(13)

670

(13)

670

(13)

670

(13)

670

(13)

 

683

Sta 834: Unit 1A - Replace Insulation Blanket (10/12/2026 - 10/13/2026) Sta 834: Unit 2A - Replace Insulation Blanket (10/14/2026 - 10/15/2026)

Sta 834: Unit 3A - Replace Insulation Blanket (10/16/2026 - 10/17/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1175

(375)

 

1175

(375)

 

1175

(375)

 

1175

(375)

 

1,550

 

1,550

 

1,550

Sta 529: Unit 1A - Solar Inspection (10/12/2026 - 10/15/2026)

Station 860

(segment 548 BH)

 

1,593

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1475

(399)

 

1475

(399)

 

1475

(399)

 

1475

(399)

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

MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2425

(260)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/30/2026)

MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

MLV 109-5 to MLV 109-5A: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 109-5A to MLV 110-5: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 103-3 to MLV 105-3: Crossover Upgrade (10/10/2026 - 10/17/2026) MLV 870-2 to MLV 870-2R: Anomaly Remediation (10/12/2026 - 10/17/2026) Sta 96: Unit 2D Replace Compressor Valves (10/12/2026 - 10/15/2026)

MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

 

Station 204

(Segment 204 BH)

 

 

1,828

 

1750

(78)

 

1735

(93)

 

1750

(78)

 

1735

(93)

 

1750

(78)

 

1750

(78)

 

1750

(78)

MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026) MLV 214-1 to MLV 219-1: Pig Run - Gauge/Cleaning (10/13/2026)

MLV 214-1 to MLV 219-1: Pig Run - Cal/IMU/MFL-C Combo (10/15/2026)

Station 245

(segment 245 FH)

 

986

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026)

Station 261 Discharge East (segment 261

FH)

 

888

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

888

Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 264: Oil System (10/12/2026 - 10/17/2026)

Station 307

(segment 307 BH)

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

Station 313 Discharge (segment 399

FH)

 

797

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

MLV 313A-403 to MLV 313A-404: Anomaly Remediation (M) (10/6/2026 - 10/22/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

Cranston Lateral South

(segment 281

FH)

 

187

 

125

(62)

 

187

 

187

 

187

 

187

 

187

 

187

Sta 265: Unit 1A - Replace Lube Oil Fan (10/12/2026)


 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

 

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(10/12)

Tuesday

(10/13)

Wednesday

(10/14)

Thursday

(10/15)

Friday

(10/16)

Saturday

(10/17)

Sunday

(10/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

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

 

October 2026 (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(9/28 - 10/4)

Week 2

(10/5 - 10/11)

Week 3

(10/12 - 10/18)

Week 4

(10/19 - 10/25)

Week 5

(10/26 - 11/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

274

 

 

 

 

215

(59)

 

215

(59)

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

 

 

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

 

 

300

(99)

300

(99)

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

Station 9

(segment 109 BH)

 

1,027

 

 

 

 

1,027

 

1,027

 

Station 17

(segment 117 FH)

 

1,122

 

 

 

 

1100

(22)

 

1,122

MLV 17-2D to MLV 20-2A: Pig Run - Chemical Cleaning (M) (10/19/2026 - 10/20/2026)

MLV 17-2D to MLV 20-2A: Pig Run - GAUGE (M) (10/21/2026)

MLV 17-2D to MLV 20-2A: Pig Run - MFL-A (M) (10/22/2026)

Station 25

(segment 125 FH)

 

1,078

 

 

 

 

1,078

 

1,078

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,277

 

 

 

 

 

 

1175

(102)

 

 

 

1175

(102)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Station 47

(segment 143 FH)

 

1,343

 

 

 

1300

(43)

 

1,343

MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)

Station 63

(segment 163 FH)

 

1,242

 

 

 

1030

(212)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026)

Station 823

(segment 823 BH)

 

734

 

 

 

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

 

 

 

670

(13)

 

683

Sta 834: Unit 4A - Replace Insulation Blanket (10/19/2026 - 10/20/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

 

 

 

 

1550

(43)

 

 

770

(823)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026)

Sta 546: Unit 1A - Maintenance (10/20/2026)

MLV 546-3 to MLV 544-3: Pig Runs - Maintenance (10/26/2026) MLV 546-1 to MLV 542-1: Pig Runs - Maintenance (10/28/2026) MLV 546-2 to MLV 542-2: Pig Runs - Maintenance (10/30/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

 

 

 

1475

(399)

 

1475

(399)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

 

 

 

2425

(260)

 

 

 

 

1998

(687)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/30/2026)

MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026) MLV 867-2 to MLV 868-2: Anomaly Remediation (10/19/2026 - 10/24/2026) Sta 87: Unit 1E - Safety Device Testing (10/19/2026 - 10/21/2026)

Sta 87: Unit 2E - Safety Device Tests (10/21/2026 - 10/23/2026) MLV 97-3 to MLV 106-3: Pig Run - Cleaning / Gauge (10/27/2026)

Sta 875: Unit 1A- 8K Solar Turbine Inspection (10/27/2026 - 10/29/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-S (10/29/2026)

Station 114

(segment 114 BH)

 

907

 

 

 

812

(95)

 

907

Sta 119A Rocky Fork: Turbine Maintenance (10/19/2026 - 10/23/2026)

 

 

Station 204

(Segment 204 BH)

 

 

 

1,828

 

 

 

 

 

 

1750

(78)

 

 

 

1690

(138)

MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026)

MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/26/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/27/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/28/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/29/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/30/2026)

Station 233

(segment 233 FH)

 

459

 

 

 

355

(104)

 

459

MLV 233-2 to MLV 235-2: Pig Run (10/20/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

 

 

970

(16)

 

760

(226)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 245-1 to MLV 249-1: Pig Run - Cleaning (10/27/2026)

Sta 245-1 to MLV 249-1: Pig Run - MFL-C - Rerun (10/28/2026) Sta 245-1 to MLV 249-1: Pig Run - EMAT (10/29/2026)


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

October 2026 (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(9/28 - 10/4)

Week 2

(10/5 - 10/11)

Week 3

(10/12 - 10/18)

Week 4

(10/19 - 10/25)

Week 5

(10/26 - 11/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

888

 

 

 

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

 

 

775

(378)

775

(378)

Sta 303A: Unit 1A - Water Wash (10/19/2026 - 10/22/2026)

MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026)

Station 313 Discharge (segment 399

FH)

 

797

 

 

 

 

220

(577)

 

797

MLV 313A-403 to MLV 313A-404: Anomaly Remediation (M) (10/6/2026 - 10/22/2026)

Station 315

(segment 315 BH)

 

1,823

 

 

 

 

1,823

1400

(423)

Sta 315 Wellsboro: Station Yard Valve Operator Replacements (10/28/2026 - 10/29/2026)

MLV 324

(segment 324 FH)

 

1,767

 

 

 

1550

(217)

1450

(317)

MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge (M) (10/19/2026) MLV 325-1 to MLV 329-1: Pig runs - EMAT (M) (10/20/2026)

Sta 325: Station Outage (10/26/2026 - 10/28/2026)

Station 224

(segment 224 FH)

 

388

 

 

 

200

(188)

 

388

MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (10/22/2026)

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

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

 

November 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/2 - 11/8)

Week 2

(11/9 - 11/15)

Week 3

(11/16 - 11/22)

Week 4

(11/23 - 11/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

297

 

260

(37)

 

260

(37)

 

297

 

297

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

587

 

587

 

587

 

587

 

587

 

Station 1

(segment 101 BH)

 

438

357

(81)

399

(39)

226

(212)

 

438

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

MLV 400-1 to MLV 409-1: Pig Run - Maintenance Cleaning (M) (11/10/2026) MLV 400-2 to MLV 409-2: Pig Run - Maintenance Cleaning (M) (11/17/2026)

Station 9

(segment 109 BH)

 

1,066

 

1,066

 

1,066

 

1,066

 

1,066

 

Station 25

(segment 125 FH)

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

 

1,294

 

 

 

1200

(94)

 

 

 

1200

(94)

 

 

 

925

(369)

 

 

 

1225

(69)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Annual ESD Test (11/17/2026 - 11/18/2026)

Station 47

(segment 143 FH)

 

1,428

1350

(78)

1350

(78)

 

1,428

 

1,428

MLV 61-3 to MLV 62-3: Pipe Replacements (11/2/2026 - 11/13/2026)

Station 63

(segment 163 FH)

 

1,192

1067

(125)

1067

(125)

871

(321)

1067

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 71-3D to MLV 79-3: Pig Runs - Cleaning / Gauge (11/17/2026)

MLV 71-3D to MLV 79-3: Pig Runs - TDW MDS (11/19/2026)

Station 823

(segment 823 BH)

 

758

210

(548)

 

758

 

758

 

758

Sta 827 to Sta 823: Pig Run - Maintenance (M) (11/5/2026) Sta 834 to Sta 827: Maintenance Pig (M) (11/5/2026)

Station 823 Muskrat Line (segment 509

BH)

 

244

 

244

 

244

 

125

(119)

 

244

Sta 523: Unit 2B - 8K Inspection (11/16/2026 - 11/17/2026)

Station 860

(segment 548 BH)

 

1,665

1660

(5)

1450

(215)

 

1,665

 

1,665

Sta 550: Unit 1B - Juction Box Rewire & Unit Valves (11/2/2026 - 11/13/2026) Sta 550 Hamilton: Annual ESD Test (11/9/2026)

 

Station 860 North (Segment 860 BH)

 

 

2,059

 

 

2031

(28)

 

 

2031

(28)

 

 

2031

(28)

 

 

2031

(28)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (11/2/2026 - 11/5/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (11/5/2026 - 11/7/2026)

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,594

 

1951

(643)

 

2327

(267)

 

2327

(267)

 

2327

(267)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-C (11/3/2026)

MLV 97-3 to MLV 106-3: Pig Run - EMAT (11/5/2026)

Station 114

(segment 114 BH)

 

946

858

(88)

 

946

 

946

 

946

Sta 118A: Solar Turbine Inspection (11/2/2026 - 11/5/2026)

 

 

Station 204

(Segment 204 BH)

 

 

 

1,888

 

 

1765

(123)

 

 

1405

(483)

 

 

1425

(463)

 

 

 

1,888

MLV 209-2 to MLV 214-2: Pig Run - CAL/IMU (11/3/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (11/5/2026) MLV 204-4 to MLV 209-4: Pig Run - Gauge (11/10/2026)

MLV 204-4 to MLV 200-4B: Pig Run - Efficiency (11/11/2026) MLV 204-4 to MLV 209-4: Pig Run - Cal/IMU (11/12/2026) MLV 204-4 to MLV 209-4: Pig Run - MFL-C (11/17/2026)

MLV 204-4 to MLV 209-4: Pig Run - EMAT (11/19/2026)

Station 245

(segment 245 FH)

 

1,043

 

1,043

 

1,043

 

1,043

 

1,043

 

Station 261 Discharge East (segment 261

FH)

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

Station 307

(segment 307 BH)

 

1,203

875

(328)

 

1,203

 

1,203

 

1,203

MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026) Sta 219: Annual ESD Test & Scrubber Maintenance (11/3/2026 - 11/6/2026)


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

November 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/2 - 11/8)

Week 2

(11/9 - 11/15)

Week 3

(11/16 - 11/22)

Week 4

(11/23 - 11/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 313 Discharge (segment 399

FH)

 

810

 

810

 

810

 

810

 

810

 

Station 315

(segment 315 BH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 321

(segment 321 FH)

 

2,220

2035

(185)

 

2,220

 

2,220

 

2,220

MLV 320-1 to MLV 320-1A: Hot Tap (11/5/2026)

MLV 324

(segment 324 FH)

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

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 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/30 - 12/6)

Week 2

(12/7 - 12/13)

Week 3

(12/14 - 12/20)

Week 4

(12/21 - 12/27)

Week 5

(12/28 - 1/3)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

587

 

587

 

587

 

587

 

587

 

587

 

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)

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,294

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Carthage Lateral (segment 700 FH)

 

310

 

80

(230)

 

80

(230)

 

310

 

310

 

310

MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/2/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/3/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/4/2026)

MLV 706-1 to MLV 700-1: Pig Run - MDS (M) (12/10/2026)

Station 47

(segment 143 FH)

 

1,428

 

1,428

 

1,428

 

1,428

 

1,428

 

1,428

 

Station 63

(segment 163 FH)

 

1,192

1067

(125)

1067

(125)

1067

(125)

1067

(125)

1067

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026)

Station 823

(segment 823 BH)

 

758

 

758

 

758

 

758

 

758

 

758

 

Station 860

(segment 548 BH)

 

1,665

 

1,665

 

1,665

 

1,665

 

1,665

 

1,665

 

Station 860 North (Segment 860

BH)

 

2,059

 

2031

(28)

 

2031

(28)

 

2031

(28)

 

2031

(28)

 

2031

(28)

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

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,594

 

2327

(267)

 

2327

(267)

 

2327

(267)

 

2327

(267)

 

2327

(267)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

Station 114

(segment 114 BH)

 

946

 

946

 

946

835

(111)

 

946

 

946

Sta 114: Unit 1D - Solar Turbine Inspection (12/14/2026 - 12/17/2026)

Station 204

(Segment 204 BH)

 

1,888

 

1,888

 

1,888

 

1,888

 

1,888

 

1,888

 

Station 245

(segment 245 FH)

 

1,043

 

1,043

768

(275)

 

1,043

 

1,043

 

1,043

MLV 237-1 to MLV 245-1: Pig Run - Cleaning/Gauge (12/7/2026) MLV 237-1 to MLV 245-1: Pig Run - EMAT (12/9/2026)

Station 261 Discharge East (segment 261

FH)

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

Station 307

(segment 307 BH)

 

1,203

 

1,203

 

1,203

 

1,203

 

1,203

 

1,203

 

Station 313 Discharge (segment 399

FH)

 

810

 

810

 

810

 

810

 

810

 

810

 

Station 315

(segment 315 BH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

MLV 324

(segment 324 FH)

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

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:  10/08/2026 2:33:05PM Notice End Date/Time:  10/09/2026 9:00:00am Post Date/Time:  10/8/2026 2:33:05 PM Notice ID: 404808 Reqrd Rsp:  1 Rsp Date/Time:  10/8/2026 12:00:00 AM 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 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

 

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(10/12)

Tuesday

(10/13)

Wednesday

(10/14)

Thursday

(10/15)

Friday

(10/16)

Saturday

(10/17)

Sunday

(10/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A

(Alamo) (segment 492 FH)

 

274

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

 

215

(59)

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

300

(99)

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

Station 9

(segment 109 BH)

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

1,027

 

Station 17

(segment 117 FH)

 

1,122

 

1,122

980

(142)

 

1,122

 

1,122

 

1,122

 

1,122

 

1,122

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (10/13/2026) Sta 25: Annual ESD Test (10/13/2026)

Station 25

(segment 125 FH)

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,277

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

 

 

 

1175

(102)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Station 47

(segment 143 FH)

 

1,343

1290

(53)

1290

(53)

1290

(53)

1290

(53)

1300

(43)

1300

(43)

1300

(43)

Sta 47: Unit 1D - 16K hour Overhaul (10/5/2026 - 10/15/2026)

MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)

 

Station 63

(segment 163 FH)

 

 

1,242

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

 

1030

(212)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026) MLV 82-1 to MLV 87-1: Pig Run - Cal/IMU (10/12/2026)

MLV 82-1 to MLV 87-1: Pig Run - AFD/Cal/IMU (10/13/2026)

MLV 82-1 to MLV 87-1: Pig Run - EMAT (10/15/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

670

(13)

670

(13)

670

(13)

670

(13)

670

(13)

670

(13)

 

683

Sta 834: Unit 1A - Replace Insulation Blanket (10/12/2026 - 10/13/2026) Sta 834: Unit 2A - Replace Insulation Blanket (10/14/2026 - 10/15/2026)

Sta 834: Unit 3A - Replace Insulation Blanket (10/16/2026 - 10/17/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1175

(375)

 

1175

(375)

 

1175

(375)

 

1175

(375)

 

1,550

 

1,550

 

1,550

Sta 529: Unit 1A - Solar Inspection (10/12/2026 - 10/15/2026)

Station 860

(segment 548 BH)

 

1,593

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

1577

(16)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1475

(399)

 

1475

(399)

 

1475

(399)

 

1475

(399)

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

MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2245

(440)

 

 

 

 

2425

(260)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/30/2026)

MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

MLV 109-5 to MLV 109-5A: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 109-5A to MLV 110-5: Pipe Replacement (9/14/2026 - 10/12/2026) MLV 103-3 to MLV 105-3: Crossover Upgrade (10/10/2026 - 10/17/2026) MLV 870-2 to MLV 870-2R: Anomaly Remediation (10/12/2026 - 10/17/2026) Sta 96: Unit 2D Replace Compressor Valves (10/12/2026 - 10/15/2026)

MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

 

Station 204

(Segment 204 BH)

 

 

1,828

 

1750

(78)

 

1735

(93)

 

1750

(78)

 

1735

(93)

 

1750

(78)

 

1750

(78)

 

1750

(78)

MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026) MLV 214-1 to MLV 219-1: Pig Run - Gauge/Cleaning (10/13/2026)

MLV 214-1 to MLV 219-1: Pig Run - Cal/IMU/MFL-C Combo (10/15/2026)

Station 245

(segment 245 FH)

 

986

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

970

(16)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026)

Station 261 Discharge East (segment 261

FH)

 

888

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

555

(333)

 

888

Sta 264 Charlton: Unit 1C - Engine Maintenance (8/24/2026 - 10/16/2026) Sta 264: Oil System (10/12/2026 - 10/17/2026)

Station 307

(segment 307 BH)

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

Station 313 Discharge (segment 399

FH)

 

797

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

 

220

(577)

MLV 313A-403 to MLV 313A-404: Anomaly Remediation (M) (10/6/2026 - 10/22/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

Cranston Lateral South

(segment 281

FH)

 

187

 

125

(62)

 

187

 

187

 

187

 

187

 

187

 

187

Sta 265: Unit 1A - Replace Lube Oil Fan (10/12/2026)


 

 

 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

 

TGP - Outage Impact Report

 

 

 

-Major impact restrictions may be necessary

 

 

Seven Day Forecast (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

 

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(10/12)

Tuesday

(10/13)

Wednesday

(10/14)

Thursday

(10/15)

Friday

(10/16)

Saturday

(10/17)

Sunday

(10/18)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

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

 

October 2026 (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(9/28 - 10/4)

Week 2

(10/5 - 10/11)

Week 3

(10/12 - 10/18)

Week 4

(10/19 - 10/25)

Week 5

(10/26 - 11/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

274

 

 

 

 

215

(59)

 

215

(59)

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

 

 

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

 

 

300

(99)

300

(99)

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

Station 9

(segment 109 BH)

 

1,027

 

 

 

 

1,027

 

1,027

 

Station 17

(segment 117 FH)

 

1,122

 

 

 

 

1100

(22)

 

1,122

MLV 17-2D to MLV 20-2A: Pig Run - Chemical Cleaning (M) (10/19/2026 - 10/20/2026)

MLV 17-2D to MLV 20-2A: Pig Run - GAUGE (M) (10/21/2026)

MLV 17-2D to MLV 20-2A: Pig Run - MFL-A (M) (10/22/2026)

Station 25

(segment 125 FH)

 

1,078

 

 

 

 

1,078

 

1,078

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,277

 

 

 

 

 

 

1175

(102)

 

 

 

1175

(102)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Station 47

(segment 143 FH)

 

1,343

 

 

 

1300

(43)

 

1,343

MLV 58-2 to MLV 59-2: Anomaly Remediation (10/10/2026 - 10/20/2026)

Station 63

(segment 163 FH)

 

1,242

 

 

 

1030

(212)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 73-1 to MLV 74-1: Anomaly Remediation (10/12/2026 - 10/23/2026)

Station 823

(segment 823 BH)

 

734

 

 

 

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

 

 

 

670

(13)

 

683

Sta 834: Unit 4A - Replace Insulation Blanket (10/19/2026 - 10/20/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

 

 

 

 

1550

(43)

 

 

770

(823)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 10/31/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 10/31/2026)

Sta 546: Unit 1A - Maintenance (10/20/2026)

MLV 546-3 to MLV 544-3: Pig Runs - Maintenance (10/26/2026) MLV 546-1 to MLV 542-1: Pig Runs - Maintenance (10/28/2026) MLV 546-2 to MLV 542-2: Pig Runs - Maintenance (10/30/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

 

 

 

1475

(399)

 

1475

(399)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) MLV 560-2 to MLV 563-2: Pipe Replacements (M) (10/15/2026 - 10/26/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

 

 

 

2425

(260)

 

 

 

 

1998

(687)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/22/2026 - 10/30/2026)

MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

MLV 109-3A to MLV 110-3: Pipe Replacement (10/14/2026 - 10/30/2026) MLV 867-2 to MLV 868-2: Anomaly Remediation (10/19/2026 - 10/24/2026) Sta 87: Unit 1E - Safety Device Testing (10/19/2026 - 10/21/2026)

Sta 87: Unit 2E - Safety Device Tests (10/21/2026 - 10/23/2026) MLV 97-3 to MLV 106-3: Pig Run - Cleaning / Gauge (10/27/2026)

Sta 875: Unit 1A- 8K Solar Turbine Inspection (10/27/2026 - 10/29/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-S (10/29/2026)

Station 114

(segment 114 BH)

 

907

 

 

 

812

(95)

 

907

Sta 119A Rocky Fork: Turbine Maintenance (10/19/2026 - 10/23/2026)

 

 

Station 204

(Segment 204 BH)

 

 

 

1,828

 

 

 

 

 

 

1750

(78)

 

 

 

1690

(138)

MLV 206-3 to MLV 207-3: Strain Gauge Installation (9/29/2026 - 10/24/2026) Sta. 200: Unit 1B - Replace Turbochargers (10/4/2026 - 10/30/2026)

MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/26/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/27/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/28/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/29/2026) MLV 209-2 to MLV 214-2: Pig Run - Chem Cleaning (10/30/2026)

Station 233

(segment 233 FH)

 

459

 

 

 

355

(104)

 

459

MLV 233-2 to MLV 235-2: Pig Run (10/20/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

 

 

970

(16)

 

760

(226)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 245-1 to MLV 249-1: Pig Run - Cleaning (10/27/2026)

Sta 245-1 to MLV 249-1: Pig Run - MFL-C - Rerun (10/28/2026) Sta 245-1 to MLV 249-1: Pig Run - EMAT (10/29/2026)


 

 

 

 

 

-Primary impact restrictions may be necessary

 

 

TGP - Outage Impact Report

 

 

-Major impact restrictions may be necessary

 

October 2026 (updated 10/08/26)

 

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(9/28 - 10/4)

Week 2

(10/5 - 10/11)

Week 3

(10/12 - 10/18)

Week 4

(10/19 - 10/25)

Week 5

(10/26 - 11/1)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

888

 

 

 

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

 

 

775

(378)

775

(378)

Sta 303A: Unit 1A - Water Wash (10/19/2026 - 10/22/2026)

MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026)

Station 313 Discharge (segment 399

FH)

 

797

 

 

 

 

220

(577)

 

797

MLV 313A-403 to MLV 313A-404: Anomaly Remediation (M) (10/6/2026 - 10/22/2026)

Station 315

(segment 315 BH)

 

1,823

 

 

 

 

1,823

1400

(423)

Sta 315 Wellsboro: Station Yard Valve Operator Replacements (10/28/2026 - 10/29/2026)

MLV 324

(segment 324 FH)

 

1,767

 

 

 

1550

(217)

1450

(317)

MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge (M) (10/19/2026) MLV 325-1 to MLV 329-1: Pig runs - EMAT (M) (10/20/2026)

Sta 325: Station Outage (10/26/2026 - 10/28/2026)

Station 224

(segment 224 FH)

 

388

 

 

 

200

(188)

 

388

MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (10/22/2026)

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

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

 

November 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/2 - 11/8)

Week 2

(11/9 - 11/15)

Week 3

(11/16 - 11/22)

Week 4

(11/23 - 11/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

297

 

260

(37)

 

260

(37)

 

297

 

297

MLV 409-1 to MLV 406-1: Spike Test (M) (9/30/2026 - 11/11/2026)

Station 409 (Donna Line) (segment 490

FH)

 

587

 

587

 

587

 

587

 

587

 

Station 1

(segment 101 BH)

 

438

357

(81)

399

(39)

226

(212)

 

438

MLV 1-1D to MLV 5-1: Spike Test (M) (9/23/2026 - 11/2/2026)

MLV 400-1 to MLV 409-1: Pig Run - Maintenance Cleaning (M) (11/10/2026) MLV 400-2 to MLV 409-2: Pig Run - Maintenance Cleaning (M) (11/17/2026)

Station 9

(segment 109 BH)

 

1,066

 

1,066

 

1,066

 

1,066

 

1,066

 

Station 25

(segment 125 FH)

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

 

1,294

 

 

 

1200

(94)

 

 

 

1200

(94)

 

 

 

925

(369)

 

 

 

1225

(69)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 3A - Overhaul (10/5/2026 - 11/13/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Annual ESD Test (11/17/2026 - 11/18/2026)

Station 47

(segment 143 FH)

 

1,428

1350

(78)

1350

(78)

 

1,428

 

1,428

MLV 61-3 to MLV 62-3: Pipe Replacements (11/2/2026 - 11/13/2026)

Station 63

(segment 163 FH)

 

1,192

1067

(125)

1067

(125)

871

(321)

1067

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 71-3D to MLV 79-3: Pig Runs - Cleaning / Gauge (11/17/2026)

MLV 71-3D to MLV 79-3: Pig Runs - TDW MDS (11/19/2026)

Station 823

(segment 823 BH)

 

758

210

(548)

 

758

 

758

 

758

Sta 827 to Sta 823: Pig Run - Maintenance (M) (11/5/2026) Sta 834 to Sta 827: Maintenance Pig (M) (11/5/2026)

Station 823 Muskrat Line (segment 509

BH)

 

244

 

244

 

244

 

125

(119)

 

244

Sta 523: Unit 2B - 8K Inspection (11/16/2026 - 11/17/2026)

Station 860

(segment 548 BH)

 

1,665

1660

(5)

1450

(215)

 

1,665

 

1,665

Sta 550: Unit 1B - Juction Box Rewire & Unit Valves (11/2/2026 - 11/13/2026) Sta 550 Hamilton: Annual ESD Test (11/9/2026)

 

Station 860 North (Segment 860 BH)

 

 

2,059

 

 

2031

(28)

 

 

2031

(28)

 

 

2031

(28)

 

 

2031

(28)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (11/2/2026 - 11/5/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (11/5/2026 - 11/7/2026)

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,594

 

1951

(643)

 

2327

(267)

 

2327

(267)

 

2327

(267)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026) MLV 97-3 to MLV 106-3: Pig Run - MFL-C (11/3/2026)

MLV 97-3 to MLV 106-3: Pig Run - EMAT (11/5/2026)

Station 114

(segment 114 BH)

 

946

858

(88)

 

946

 

946

 

946

Sta 118A: Solar Turbine Inspection (11/2/2026 - 11/5/2026)

 

 

Station 204

(Segment 204 BH)

 

 

 

1,888

 

 

1765

(123)

 

 

1405

(483)

 

 

1425

(463)

 

 

 

1,888

MLV 209-2 to MLV 214-2: Pig Run - CAL/IMU (11/3/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (11/5/2026) MLV 204-4 to MLV 209-4: Pig Run - Gauge (11/10/2026)

MLV 204-4 to MLV 200-4B: Pig Run - Efficiency (11/11/2026) MLV 204-4 to MLV 209-4: Pig Run - Cal/IMU (11/12/2026) MLV 204-4 to MLV 209-4: Pig Run - MFL-C (11/17/2026)

MLV 204-4 to MLV 209-4: Pig Run - EMAT (11/19/2026)

Station 245

(segment 245 FH)

 

1,043

 

1,043

 

1,043

 

1,043

 

1,043

 

Station 261 Discharge East (segment 261

FH)

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

Station 307

(segment 307 BH)

 

1,203

875

(328)

 

1,203

 

1,203

 

1,203

MLV 302-2 to MLV 303-2: Anomaly Remediation (10/23/2026 - 11/3/2026) Sta 219: Annual ESD Test & Scrubber Maintenance (11/3/2026 - 11/6/2026)


 

 

 

-Primary impact restrictions may be necessary

 

TGP - Outage Impact Report

 

-Major impact restrictions may be necessary

 

November 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/2 - 11/8)

Week 2

(11/9 - 11/15)

Week 3

(11/16 - 11/22)

Week 4

(11/23 - 11/29)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 313 Discharge (segment 399

FH)

 

810

 

810

 

810

 

810

 

810

 

Station 315

(segment 315 BH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

Station 321

(segment 321 FH)

 

2,220

2035

(185)

 

2,220

 

2,220

 

2,220

MLV 320-1 to MLV 320-1A: Hot Tap (11/5/2026)

MLV 324

(segment 324 FH)

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

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 2026 (updated 10/08/26)

 

-Minor impact restrictions may be necessary depending on flow conditions

 

 

 

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(11/30 - 12/6)

Week 2

(12/7 - 12/13)

Week 3

(12/14 - 12/20)

Week 4

(12/21 - 12/27)

Week 5

(12/28 - 1/3)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

587

 

587

 

587

 

587

 

587

 

587

 

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)

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

1,095

 

 

 

Station 40 South

(segment 132 FH)

 

 

 

1,294

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

 

 

1225

(69)

Sta 32: Unit 10A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 11A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 5A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 6A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 7A - Turbo (10/5/2026 - 12/31/2026) Sta 32: Unit 8A - Turbo (10/5/2026 - 12/31/2026)

Sta 32: Unit 9A - Turbo (10/5/2026 - 12/31/2026)

Carthage Lateral (segment 700 FH)

 

310

 

80

(230)

 

80

(230)

 

310

 

310

 

310

MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/2/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/3/2026) MLV 706-1 to MLV 700-1: Pig Run - Chemical Cleaning (M) (12/4/2026)

MLV 706-1 to MLV 700-1: Pig Run - MDS (M) (12/10/2026)

Station 47

(segment 143 FH)

 

1,428

 

1,428

 

1,428

 

1,428

 

1,428

 

1,428

 

Station 63

(segment 163 FH)

 

1,192

1067

(125)

1067

(125)

1067

(125)

1067

(125)

1067

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026)

Station 823

(segment 823 BH)

 

758

 

758

 

758

 

758

 

758

 

758

 

Station 860

(segment 548 BH)

 

1,665

 

1,665

 

1,665

 

1,665

 

1,665

 

1,665

 

Station 860 North (Segment 860

BH)

 

2,059

 

2031

(28)

 

2031

(28)

 

2031

(28)

 

2031

(28)

 

2031

(28)

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

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,594

 

2327

(267)

 

2327

(267)

 

2327

(267)

 

2327

(267)

 

2327

(267)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 110-2 to MLV 114-2: CAO - Force Majeure (M) (7/14/2026 - 12/31/2026)

Station 114

(segment 114 BH)

 

946

 

946

 

946

835

(111)

 

946

 

946

Sta 114: Unit 1D - Solar Turbine Inspection (12/14/2026 - 12/17/2026)

Station 204

(Segment 204 BH)

 

1,888

 

1,888

 

1,888

 

1,888

 

1,888

 

1,888

 

Station 245

(segment 245 FH)

 

1,043

 

1,043

768

(275)

 

1,043

 

1,043

 

1,043

MLV 237-1 to MLV 245-1: Pig Run - Cleaning/Gauge (12/7/2026) MLV 237-1 to MLV 245-1: Pig Run - EMAT (12/9/2026)

Station 261 Discharge East (segment 261

FH)

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

1,034

 

Station 307

(segment 307 BH)

 

1,203

 

1,203

 

1,203

 

1,203

 

1,203

 

1,203

 

Station 313 Discharge (segment 399

FH)

 

810

 

810

 

810

 

810

 

810

 

810

 

Station 315

(segment 315 BH)

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

1,885

 

MLV 324

(segment 324 FH)

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

1,883

 

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.