Tennessee Gas Pipeline Notice 399578

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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: 02/26/2026 4:05:19PM	Notice End Date/Time: 02/27/2026 9:00:00am
Post Date/Time: 2/26/2026 4:05:19 PM	Notice ID: 399578
Reqrd Rsp: 1	Rsp Date: 02/26/2026
Notice Stat Desc: INITIATE	Prior Notice:
Subject: TGP Outage Impact Report

Notice Text:

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 02/26/26)

-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

(3/2)

Tuesday

(3/3)

Wednesday

(3/4)

Thursday

(3/5)

Friday

(3/6)

Saturday

(3/7)

Sunday

(3/8)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

585

585

Station 1

(segment 101 BH)

438

438

310

(128)

438

Sta 1 Agua Dulce: Annual ESD Test (3/3/2026)

Station 9

(segment 109 FH)

1,022

1,022

Station 25

(segment 125 FH)

1,101

1,101

Station 47

(segment 143 FH)

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/18/2026) MLV 57-1 to MLV 58-1: PHMSA Immediate (2/28/2026 - 3/10/2026)

Station 63

(segment 163 FH)

1,287

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

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

Station 823

(segment 823 BH)

759

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

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

Station 834

(segment 834 BH)

733

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 3/21/2026)

Station 527

(segment 527 BH)

2,477

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

Sta 527: Unit 1C - High Vibration (2/4/2026 - 3/20/2026)

Station 534 South of Pool (segment 530 BH)

1,632

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026) Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)

Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2026) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2026)

Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 3/6/2026)

MLV 548

(segment 542 BH)

1,771

1705

(66)

1705

(66)

1705

(66)

1705

(66)

1705

(66)

1745

(26)

1745

(26)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 3/20/2026) Sta 546: Unit 3A - Engine Maintenance (1/22/2026 - 3/6/2026)

Station 860

(segment 548 BH)

1,697

1680

(17)

925

(772)

1680

(17)

925

(772)

1680

(17)

1680

(17)

1680

(17)

MLV 555-2 to MLV 559-2: Pig Runs - EMAT (3/5/2026) MLV 555-2 to MLV 559-2: Pig Runs - MFL-C (3/3/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

2,028

2000

(28)

1715

(313)

2000

(28)

2000

(28)

2000

(28)

2000

(28)

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (Re-run) (3/3/2026)

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

Station 110

(segment 187 BH)

(south thru Kentucky)

2,775

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (1/24/2026 - 3/16/2026)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 3/23/2026)

Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/2/2026) MLV 106-3S to MLV 105-3: Emergent Pipeline Repair (2/9/2026 - 3/8/2026)

Station 114

(segment 114 BH)

948

948

Station 204

(Segment 204 BH)

1,895

1,895

Station 245

(segment 245 FH)

1,053

1010

(43)

1010

(43)

1010

(43)

1010

(43)

1010

(43)

1,053

Sta 241: Unit 1A - CCI/GPIC (3/2/2026 - 3/6/2026)

Station 261 Discharge East (segment 261

FH)

1,035

1,035

Station 307

(segment 307 BH)

1,202

1,202

Station 315

(segment 315 BH)

1,915

1,915

MLV 324

(segment 324 FH)

1,885

1,885

Station 405 HC Line (segment 299

FH)

817

817

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

March 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

585

585

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,022

1,022

Station 25

(segment 125 FH)

1,101

1,101

1090

(11)

MLV 24-1BR1 TO MLV 24-1A: Anomaly Remediation (3/23/2026 - 3/27/2026)

Station 40 South

(segment 132 FH)

1,299

1,299

1080

(219)

1230

(69)

MLV 32-1D to MLV 33-1: Anomaly Remediation (3/16/2026 - 3/27/2026) MLV 36-1LAL to Sta 40-1S: Pig Re-Run - AFD Combo (M) (3/18/2026)

Station 40 KN South (segment 501

FH)

285

285

170

(115)

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (3/25/2026)

Station 40 North

(segment 140 FH)

1,348

1,348

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

Station 47

(segment 143 FH)

1,354

1240

(114)

1349

(5)

1035

(319)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/18/2026) MLV 56-1 to MLV 57-1: PHMSA Immediate (3/11/2026 - 3/12/2026) MLV 57-1 to MLV 58-1: PHMSA Immediate (2/28/2026 - 3/10/2026)

Sta. 47: Unit 1D/2D - D Building - Unit Valve Install (3/23/2026 - 3/24/2026)

Sta. 47: Unit 1E - E Building - Unit Valve Install (3/25/2026)

Station 63

(segment 163 FH)

1,287

1162

(125)

1162

(125)

1162

(125)

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

Station 823

(segment 823 BH)

759

725

(34)

725

(34)

725

(34)

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

Station 834

(segment 834 BH)

733

720

(13)

720

(13)

733

Sta 834: Unit 6A - Overhaul (3/3/2025 - 3/21/2026)

Station 523

(segment 523 FH)

442

442

340

(102)

Sta 523: Unit 2B - 4k Maintenance (3/26/2026 - 3/27/2026)

Station 527

(segment 527 BH)

2,477

2425

(52)

2425

(52)

2,477

Sta 527: Unit 1C - High Vibration (2/4/2026 - 3/20/2026)

Station 534 South of Pool (segment 530 BH)

1,632

1400

(232)

1400

(232)

1400

(232)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026) Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)

Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2026) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2026)

Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,771

1745

(26)

1745

(26)

1,771

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 3/20/2026)

Station 860

(segment 548 BH)

1,697

1430

(267)

1525

(172)

1680

(17)

MLV 550-1 to MLV 546-1: Pig Runs - CAL / IMU 3/12/26 (M) (3/12/2026)

MLV 550-1 to MLV 546-1: Pig Runs - Cleaning / Gauge 3/10/26 (M) (3/10/2026) MLV 550-1 to MLV 546-1: Pig Runs - EMAT 3/19/26 (M) (3/19/2026)

MLV 550-1 to MLV 546-1: Pig Runs - MFL-C 3/17/26 (M) (3/17/2026)

Sta 550: Unit 3A - Turbocharger Exchange (3/16/2026 - 4/3/2026) Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

2,028

2000

(28)

2000

(28)

2000

(28)

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

March 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,775

2669

(106)

2663

(112)

2629

(146)

MLV 109-3: Crossover to Ln 4 Valve Replacements (3/23/2026 - 3/30/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (1/24/2026 - 3/16/2026)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 3/23/2026) Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 96: Unit 1D - Compressor Valves (3/16/2026 - 4/3/2026)

Station 114

(segment 114 BH)

948

930

(18)

755

(193)

948

MLV 110-2 to MLV 114-2S: Pig Run - Gauge (3/17/2026) MLV 110-2 to MLV 114-2S: Pig Run - MFL-C (3/19/2026)

Sta 114: Unit 1C - Compressor Rod Replacement (3/9/2026 - 3/13/2026)

Station 204

(Segment 204 BH)

1,895

1760

(135)

1762

(133)

1650

(245)

MLV 209-2 to MLV 214-2: Pig Run - Cal/IMU (3/12/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (3/19/2026)

MLV 209-2 to MLV 214-2: Pig Run - Gauge/Cleaning (3/10/2026) MLV 209-2 to MLV 214-2: Pig Run - Gauge/Cleaning (3/9/2026) MLV 209-2 to MLV 214-2: Pig Run - MFL-C (3/17/2026)

Sta 214: Annual ESD Test & Maintenance (3/23/2026 - 4/17/2026)

Station 245

(segment 245 FH)

1,053

1,053

Station 261 Discharge East (segment 261

FH)

1,035

1,035

Station 307

(segment 307 BH)

1,202

1,202

Station 315

(segment 315 BH)

1,915

1,915

MLV 324

(segment 324 FH)

1,885

1,885

Station 405 HC Line (segment 299

FH)

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

April 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/30 - 4/5)

Week 2

(4/6 - 4/12)

Week 3

(4/13 - 4/19)

Week 4

(4/20 - 4/26)

Week 5

(4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

399

399

Station 9

(segment 109 FH)

969

969

900

(69)

969

MLV 9-3D to MLV 11-3: Pig Run - Cleaning (4/13/2026) MLV 9-3D to MLV 11-3: Pig Run - Gauge (4/14/2026)

MLV 9-3D to MLV 11-3: Pig Run - MFL-A (4/15/2026)

Station 17

(segment 117 FH)

1,122

1,122

1104

(18)

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/7/2026 - 5/26/2026)

Station 25

(segment 125 FH)

1,078

1,078

1055

(23)

1055

(23)

930

(148)

930

(148)

MLV 26-1 Relocation: Highway 59 Widening (4/6/2026 - 4/23/2026) MLV 26-2 Relocation: Highway 59 Widening (4/24/2026 - 5/12/2026) MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter

(4/24/2026 - 5/4/2026)

Station 47

(segment 143 FH)

1,343

1,343

950

(393)

950

(393)

1,343

Sta 47: Unit 1C thru 6C - Installing Unloaders (4/6/2026 - 4/17/2026) Sta 47: Unit 1E - Annual Turbine Maintenance (4/13/2026 - 4/16/2026)

Sta. 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (4/6/2026 - 4/10/2026)

Sta. 47: Unit 1D - 16K hour Overhaul (4/6/2026 - 4/17/2026)

Station 63

(segment 163 FH)

1,242

1117

(125)

1117

(125)

900

(342)

900

(342)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 79-4 to MLV 71-4D: Pig Runs - Cleaning / Gauge 4/14/26 (4/14/2026)

MLV 79-4 to MLV 71-4D: Pig Runs - EMAT 4/23/26 (4/23/2026)

Station 823

(segment 823 BH)

734

734

Station 834

(segment 834 BH)

683

670

(13)

683

670

(13)

683

Sta 834: Unit 1A - Turbocharger (3/30/2026 - 4/3/2026)

Sta 834: Unit 4A - Replace Lubrication System (4/13/2026 - 4/17/2026)

Station 847

(segment 847 FH)

626

626

490

(136)

MLV 847-1 to MLV 851-1: Pig Runs - Cal / IMU & MFL-A 4/30/26 (4/30/2026)

MLV 847-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 4/28/26 (4/28/2026)

Station 823 Muskrat Line (segment 509

BH)

231

231

130

(101)

231

Sta 823 to MLV 516: Pig Run - Maintenance (M) (4/16/2026)

MLV 516

Muskrat Line (segment 516 FH)

241

241

(166)

241

MLV 516 to Sta 523: Pig Run - Cleaning / Gauge 4/18/26 to 4/22/26 (M) (4/18/2026 - 4/22/2026)

MLV 516 to Sta 523: Pig Run - MFL-A 4/24/26 (M) (4/24/2026)

Station 534 South of Pool (segment 530 BH)

1,550

1318

(232)

1528

(22)

1528

(22)

1528

(22)

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026)

Sta 530: Unit 1B - Engine Maintenance (4/13/2026 - 4/17/2026) 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 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,647

1,647

Station 860

(segment 548 BH)

1,593

1576

(17)

1580

(13)

1580

(13)

1430

(163)

1430

(163)

Sta 550: Unit 3A - Turbocharger Exchange (3/16/2026 - 4/3/2026)

Sta 555 Collinwood: Annual ESD Test & Maintenance (4/21/2026 - 4/24/2026) Sta 555: Unit 1B - Protective Device Inspection (4/28/2026 - 4/29/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860 BH)

1,874

1846

(28)

1460

(414)

1540

(334)

1540

(334)

1846

(28)

Sta 563 Joelton: Annual ESD Test (4/8/2026 - 4/9/2026)

Sta 563 Joelton: Unit 1A - Lube Oil Varnish System Installation (4/6/2026 - 4/8/2026)

Sta 563 Joelton: Unit 2A - Lube Oil Varnish System Installation (4/8/2026 - 4/12/2026)

Sta 563 Joelton: Unit 2A - Solar Turbine Exchange (4/13/2026 - 4/21/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (4/9/2026 - 4/10/2026)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (4/7/2026 - 4/8/2026)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,685

2167

(518)

2054

(631)

2314

(371)

2547

(138)

2547

(138)

MLV 106-2 to MLV 110-2: Pig Run - Cal / IMU (4/2/2026)

MLV 106-2 to MLV 110-2: Pig Run - Cleaning / Gauge (3/31/2026) MLV 106-2 to MLV 110-2: Pig Run - MFL-A (4/7/2026)

MLV 109-3: Crossover to Ln 4 Valve Replacements (3/23/2026 - 3/30/2026) MLV 109-3: Crossover to Ln 5 Valve Replacements (3/31/2026 - 4/13/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 106: Unit 1D - 8K Solar Turbine Inspection (3/30/2026 - 4/3/2026)

Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 96: Unit 1D - Compressor Valves (3/16/2026 - 4/3/2026)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/30 - 4/5)

Week 2

(4/6 - 4/12)

Week 3

(4/13 - 4/19)

Week 4

(4/20 - 4/26)

Week 5

(4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 114

(segment 114 BH)

907

848

(59)

907

771

(136)

771

(136)

771

(136)

MLV 119-1 to MLV 121-1: Anomaly Remediation (4/13/2026 - 5/22/2026)

Sta 118A: Solar Turbine Inspection (3/30/2026 - 4/1/2026)

Station 204

(Segment 204 BH)

1,828

1575

(253)

1365

(463)

1230

(598)

1340

(488)

1763

(65)

MLV 204-3 to MLV 209-3: Pig Run - Cal/IMU (4/16/2026) MLV 204-3 to MLV 209-3: Pig Run - EMAT (4/23/2026)

MLV 204-3 to MLV 209-3: Pig Run - Gauge/Cleaning (4/14/2026) MLV 204-3 to MLV 209-3: Pig Run - MFL-C (4/21/2026)

MLV 213-1A to MLV 213-1BR: SPECIAL PERMIT REPLACEMENT TGP 213-1

(M) (4/1/2026 - 5/22/2026)

MLV 214-2 to MLV 219-2: Pig Run - Cal/IMU (M) (4/30/2026)

MLV 214-2 to MLV 219-2: Pig Run - Gauge/Cleaning (M) (4/28/2026) Sta 204: ESD Test (4/20/2026 - 4/24/2026)

Sta 209 Cambridge: Annual ESD Test & Maintenance (4/6/2026 - 4/17/2026) Sta 214: Annual ESD Test & Maintenance (3/23/2026 - 4/17/2026)

Station 233

(segment 233 FH)

459

(376)

100

(359)

459

MLV 230-1 to MLV 237-1: Pig Run - CAL/IMU/MFL-C (M) (4/1/2026) MLV 230-1 to MLV 237-1: Pig Run - EMAT (M) (4/6/2026)

MLV 230-1 to MLV 237-1: Pig Run - Gauge/Cleaning (M) (3/30/2026)

Station 245

(segment 245 FH)

986

986

650

(336)

Sta 245 West Winfield: Annual ESD Test & Maintenance (4/30/2026 - 5/8/2026)

Sta 249: Unit 1A - Crankcase Inspection (4/27/2026 - 5/1/2026)

MLV 256 West

(segment 249 FH)

1,203

1,203

535

(668)

MLV 249-2 to MLV 254-2: Cal/IMU (4/29/2026)

MLV 249-2 to MLV 254-2: Gauge/Cleaning tool (4/28/2026) MLV 249-2 to MLV 254-2: MFL-C (4/30/2026)

Station 254

(segment 256 FH)

1,203

1,203

1040

(163)

1,203

MLV 254-3 to MLV 258-3A: Pig Runs - Cal/IMU/MFL-A Combo - 4/14/26 (4/14/2026)

MLV 254-3 to MLV 258-3A: Pig Runs - Gauge/Cleaning tool - 4/13/26

(4/13/2026)

Station 261 Discharge East (segment 261

FH)

888

888

Station 307

(segment 307 BH)

1,153

1,153

Station 315

(segment 315 BH)

1,823

1,823

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

153

140

(13)

140

(13)

145

(8)

145

(8)

MLV 336-1 to MLV 337-1: Anomaly Remediation (4/6/2026 - 4/10/2026) MLV 337-1 to MLV 338-1: Anomaly Remediation (4/11/2026 - 4/15/2026) MLV 338-1 to MLV 339-1: Anomaly Remediation (4/16/2026 - 4/20/2026) MLV 339-1 to MLV 340-1: Anomaly Remediation (4/21/2026 - 4/25/2026) MLV 340-1 to MLV 341-1: Anomaly Remediation (4/26/2026 - 4/30/2026)

MLV 341-1 to MLV 342-1: Anomaly Remediation (5/1/2026 - 5/5/2026)

Station 405 HC Line (segment 299

FH)

794

794

680

(114)

794

Sta 313 to Sta 237: Pig Run - Cleaning Run (HC Line) (4/7/2026) Sta 405A: Unit Water Wash (4/7/2026)

Station 224

(segment 224 FH)

388

388

200

(188)

388

MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (4/8/2026 - 4/9/2026)

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

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

May 2026 (updated 02/26/26)

-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

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

399

399

Station 9

(segment 109 FH)

969

969

Station 17

(segment 117 FH)

1,122

1104

(18)

1104

(18)

1104

(18)

1000

(122)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/7/2026 - 5/26/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (5/27/2026 - 8/7/2026)

Station 25

(segment 125 FH)

1,078

930

(148)

925

(153)

925

(153)

925

(153)

MLV 26-2 Relocation: Highway 59 Widening (4/24/2026 - 5/12/2026) MLV 26-3 Relocation: Highway 59 Widening (M) (5/13/2026 - 5/30/2026) MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter

(4/24/2026 - 5/4/2026)

Carthage Lateral (segment 700

FH)

296

180

(116)

180

(116)

296

MLV 706-1 to MLV 700-1: Pig Run - Caliper 5/14/26 (M) (5/14/2026)

MLV 706-1 to MLV 700-1: Pig Run - Cleaning 5/12/26 (M) (5/12/2026) MLV 706-1 to MLV 700-1: Pig Run - Cleaning 5/7/26 (M) (5/7/2026)

Station 47

(segment 143 FH)

1,343

1020

(323)

1045

(298)

1045

(298)

1,343

MLV 47-4D to MLV 54-4S: Pig Run - AFD Combo (M) (5/15/2026) MLV 47-4D to MLV 54-4S: Pig Run - EMAT (M) (5/18/2026)

MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/11/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/12/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/13/2026)

Sta. 47: Station Transformer Maintenance (5/4/2026 - 5/5/2026)

Station 63

(segment 163 FH)

1,242

1117

(125)

1117

(125)

1117

(125)

1117

(125)

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

MLV 822 West

(segment 820 FH)

724

150

(574)

724

MLV 820-1 to MLV 821R-101.1: Pig Run - Maintenance (M) (5/6/2026)

MLV 822 East

(segment 822 BH)

972

150

(822)

972

MLV 823-1 to MLV 821R-101.1: Pig Run - Maintenance (M) (5/5/2026)

Station 823

(segment 823 BH)

734

640

(94)

734

Sta. 823 (Kinder): Annual ESD Test (5/5/2026 - 5/7/2026)

Station 834

(segment 834 BH)

683

670

(13)

670

(13)

504

(179)

683

Sta 834 to Sta 827: Maintenance Pig (5/21/2026)

Sta 834: Unit 1A - Replace Insulation Blanket (5/5/2026 - 5/6/2026) Sta 834: Unit 2A - Replace Insulation Blanket (5/7/2026 - 5/8/2026) Sta 834: Unit 3A - Replace Insulation Blanket (5/12/2026 - 5/13/2026) Sta 834: Unit 4A - Replace Insulation Blanket (5/14/2026 - 5/15/2026)

Station 534 South of Pool (segment 530

BH)

1,550

1528

(22)

1528

(22)

1528

(22)

1528

(22)

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 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,647

1,647

Station 860

(segment 548 BH)

1,593

1390

(203)

1580

(13)

1580

(13)

1,593

Sta 555: Scrubber/Filter/Separator Clean, Inspect & Filter Change (5/4/2026 - 5/8/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

1,874

1846

(28)

1630

(244)

1846

(28)

1846

(28)

Sta 860: Annual ESD Test & Maintenance (5/13/2026 - 5/14/2026)

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

Station 110

(segment 187 BH)

(south thru Kentucky)

2,685

2547

(138)

2092

(593)

2092

(593)

2092

(593)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 87-3 to MLV 96-3: Pig Run - AFD (5/19/2026)

MLV 87-3 to MLV 96-3: Pig Run - Cleaning/Gauge (5/14/2026) MLV 87-3 to MLV 96-3: Pig Run - EMAT (5/21/2026) MLV 87-3 to MLV 96-3: Pig Run - MDS (5/26/2026)

Station 114

(segment 114 BH)

907

771

(136)

771

(136)

771

(136)

700

(207)

MLV 119-1 to MLV 121-1: Anomaly Remediation (4/13/2026 - 5/22/2026) Sta 114 Catlettsburg: Annual ESD Test (5/25/2026 - 5/27/2026)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2026 (updated 02/26/26)

-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

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 204

(Segment 204 BH)

1,828

1660

(168)

1800

(28)

1800

(28)

1270

(558)

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026)

MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026)

MLV 207-4 to MLV 209-4: Replace Valve MLV 208-4 (M) (5/27/2026 - 6/10/2026) MLV 213-1A to MLV 213-1BR: SPECIAL PERMIT REPLACEMENT TGP 213-1

(M) (4/1/2026 - 5/22/2026)

MLV 214-2 to MLV 219-2: Pig Run - EMAT (M) (5/6/2026) MLV 214-2 to MLV 219-2: Pig Run - MFL-C (M) (5/4/2026)

Station 245

(segment 245 FH)

986

735

(251)

490

(496)

490

(496)

720

(266)

MLV 237-2 to MLV 245-2: Pig Run - CAL/IMU (M) (5/14/2026)

MLV 237-2 to MLV 245-2: Pig Run - Gauge/Cleaning Tool (M) (5/12/2026) MLV 237-2 to MLV 245-2: Pig Run - MFL-A (M) (5/18/2026)

Sta 245 West Winfield: Annual ESD Test & Maintenance (4/30/2026 - 5/8/2026) Sta 249: ESD Test & Maintenance (5/19/2026 - 5/25/2026)

Sta 249: Unit 2A - Crankcase Inspection (5/4/2026 - 5/8/2026)

Station 254

(segment 256 FH)

1,203

1,203

925

(278)

1,203

630

(573)

MLV 254-2 to MLV 261-2: Pig Run - Cal/IMU/MFL-A Combo (5/28/2026)

MLV 254-2 to MLV 261-2: Pig Run - Gauge/Cleaning tool (5/27/2026) Sta 254 Nassau: Annual ESD Test (5/12/2026)

Sta 254: Unit 2B - 4k / 8k Service Inspection (5/13/2026 - 5/14/2026)

Station 261 Discharge East (segment 261

FH)

888

888

Station 307

(segment 307 BH)

1,153

1,153

Station 315

(segment 315 BH)

1,823

1,823

Station 321

(segment 321 FH)

2,102

1820

(282)

1820

(282)

1820

(282)

2,102

Sta. 323A Lackawaxen: Annual ESD Testing & Valve Replacement (5/4/2026 - 5/7/2026)

Sta. 323A: Unit 1A - ABB Drive Modernization (5/4/2026 - 5/22/2026)

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

145

(8)

150

(3)

150

(3)

153

MLV 341-1 to MLV 342-1: Anomaly Remediation (5/1/2026 - 5/5/2026) MLV 342-1 to MLV 343-1: Anomaly Remediation (5/6/2026 - 5/10/2026) MLV 343-1 to MLV 344-1: Anomaly Remediation (5/11/2026 - 5/15/2026)

MLV 344-1 to MLV 345-1: Anomaly Remediation (5/16/2026 - 5/20/2026)

Station 261

South 300 Line

(segment 355 FH)

221

221

215

(6)

215

(6)

MLV 345-1 to MLV 346-1: Anomaly Remediation (M) (5/21/2026 - 5/25/2026) MLV 346-1 to MLV 347-1: Anomaly Remediation (5/26/2026 - 5/30/2026) MLV 347-1 to MLV 348-1: Anomaly Remediation (5/31/2026 - 6/4/2026)

Cranston Lateral South

(segment 281

FH)

187

150

(37)

187

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Cal/IMU (M) (5/6/2026)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Gauge/Cleaning tool (M) (5/5/2026)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - MFL-A (M) (5/7/2026)

Station 405 HC Line (segment 299

FH)

794

794

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: 02/26/2026 4:05:19PM	Notice End Date/Time: 02/27/2026 9:00:00am
Post Date/Time: 2/26/2026 4:05:19 PM	Notice ID: 399578
Reqrd Rsp: 1	Rsp Date: 02/26/2026
Notice Stat Desc: INITIATE	Prior Notice:
Subject: TGP Outage Impact Report

Notice Text:

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 02/26/26)

-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

(3/2)

Tuesday

(3/3)

Wednesday

(3/4)

Thursday

(3/5)

Friday

(3/6)

Saturday

(3/7)

Sunday

(3/8)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

585

585

Station 1

(segment 101 BH)

438

438

310

(128)

438

Sta 1 Agua Dulce: Annual ESD Test (3/3/2026)

Station 9

(segment 109 FH)

1,022

1,022

Station 25

(segment 125 FH)

1,101

1,101

Station 47

(segment 143 FH)

1,354

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

1349

(5)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/18/2026) MLV 57-1 to MLV 58-1: PHMSA Immediate (2/28/2026 - 3/10/2026)

Station 63

(segment 163 FH)

1,287

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

1162

(125)

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

Station 823

(segment 823 BH)

759

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

725

(34)

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

Station 834

(segment 834 BH)

733

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

720

(13)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 3/21/2026)

Station 527

(segment 527 BH)

2,477

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

2425

(52)

Sta 527: Unit 1C - High Vibration (2/4/2026 - 3/20/2026)

Station 534 South of Pool (segment 530 BH)

1,632

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

1400

(232)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026) Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)

Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2026) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2026)

Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

Sta 534: Unit 7A - Piston / Liner (5/20/2025 - 3/6/2026)

MLV 548

(segment 542 BH)

1,771

1705

(66)

1705

(66)

1705

(66)

1705

(66)

1705

(66)

1745

(26)

1745

(26)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 3/20/2026) Sta 546: Unit 3A - Engine Maintenance (1/22/2026 - 3/6/2026)

Station 860

(segment 548 BH)

1,697

1680

(17)

925

(772)

1680

(17)

925

(772)

1680

(17)

1680

(17)

1680

(17)

MLV 555-2 to MLV 559-2: Pig Runs - EMAT (3/5/2026) MLV 555-2 to MLV 559-2: Pig Runs - MFL-C (3/3/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

2,028

2000

(28)

1715

(313)

2000

(28)

2000

(28)

2000

(28)

2000

(28)

2000

(28)

MLV 559-2 to MLV 565-2: Pig Run - EMAT (Re-run) (3/3/2026)

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

Station 110

(segment 187 BH)

(south thru Kentucky)

2,775

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

2270

(505)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (1/24/2026 - 3/16/2026)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 3/23/2026)

Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 3/2/2026) MLV 106-3S to MLV 105-3: Emergent Pipeline Repair (2/9/2026 - 3/8/2026)

Station 114

(segment 114 BH)

948

948

Station 204

(Segment 204 BH)

1,895

1,895

Station 245

(segment 245 FH)

1,053

1010

(43)

1010

(43)

1010

(43)

1010

(43)

1010

(43)

1,053

Sta 241: Unit 1A - CCI/GPIC (3/2/2026 - 3/6/2026)

Station 261 Discharge East (segment 261

FH)

1,035

1,035

Station 307

(segment 307 BH)

1,202

1,202

Station 315

(segment 315 BH)

1,915

1,915

MLV 324

(segment 324 FH)

1,885

1,885

Station 405 HC Line (segment 299

FH)

817

817

This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.

Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.

The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

March 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

585

585

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,022

1,022

Station 25

(segment 125 FH)

1,101

1,101

1090

(11)

MLV 24-1BR1 TO MLV 24-1A: Anomaly Remediation (3/23/2026 - 3/27/2026)

Station 40 South

(segment 132 FH)

1,299

1,299

1080

(219)

1230

(69)

MLV 32-1D to MLV 33-1: Anomaly Remediation (3/16/2026 - 3/27/2026) MLV 36-1LAL to Sta 40-1S: Pig Re-Run - AFD Combo (M) (3/18/2026)

Station 40 KN South (segment 501

FH)

285

285

170

(115)

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (3/25/2026)

Station 40 North

(segment 140 FH)

1,348

1,348

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

Station 47

(segment 143 FH)

1,354

1240

(114)

1349

(5)

1035

(319)

MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 3/18/2026) MLV 56-1 to MLV 57-1: PHMSA Immediate (3/11/2026 - 3/12/2026) MLV 57-1 to MLV 58-1: PHMSA Immediate (2/28/2026 - 3/10/2026)

Sta. 47: Unit 1D/2D - D Building - Unit Valve Install (3/23/2026 - 3/24/2026)

Sta. 47: Unit 1E - E Building - Unit Valve Install (3/25/2026)

Station 63

(segment 163 FH)

1,287

1162

(125)

1162

(125)

1162

(125)

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

Station 823

(segment 823 BH)

759

725

(34)

725

(34)

725

(34)

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

Station 834

(segment 834 BH)

733

720

(13)

720

(13)

733

Sta 834: Unit 6A - Overhaul (3/3/2025 - 3/21/2026)

Station 523

(segment 523 FH)

442

442

340

(102)

Sta 523: Unit 2B - 4k Maintenance (3/26/2026 - 3/27/2026)

Station 527

(segment 527 BH)

2,477

2425

(52)

2425

(52)

2,477

Sta 527: Unit 1C - High Vibration (2/4/2026 - 3/20/2026)

Station 534 South of Pool (segment 530 BH)

1,632

1400

(232)

1400

(232)

1400

(232)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026) Sta 530: Unit 2A - Bearings (8/26/2025 - 3/31/2026)

Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2026) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2026)

Sta 530: Unit 6A - Bearings (10/6/2025 - 3/31/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,771

1745

(26)

1745

(26)

1,771

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 3/20/2026)

Station 860

(segment 548 BH)

1,697

1430

(267)

1525

(172)

1680

(17)

MLV 550-1 to MLV 546-1: Pig Runs - CAL / IMU 3/12/26 (M) (3/12/2026)

MLV 550-1 to MLV 546-1: Pig Runs - Cleaning / Gauge 3/10/26 (M) (3/10/2026) MLV 550-1 to MLV 546-1: Pig Runs - EMAT 3/19/26 (M) (3/19/2026)

MLV 550-1 to MLV 546-1: Pig Runs - MFL-C 3/17/26 (M) (3/17/2026)

Sta 550: Unit 3A - Turbocharger Exchange (3/16/2026 - 4/3/2026) Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

2,028

2000

(28)

2000

(28)

2000

(28)

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

March 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/2 - 3/8)

Week 2

(3/9 - 3/15)

Week 3

(3/16 - 3/22)

Week 4

(3/23 - 3/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,775

2669

(106)

2663

(112)

2629

(146)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #9 (11/24/2025 - 3/23/2026) Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 96: Unit 1D - Compressor Valves (3/16/2026 - 4/3/2026)

Station 114

(segment 114 BH)

948

930

(18)

755

(193)

948

MLV 110-2 to MLV 114-2S: Pig Run - Gauge (3/17/2026) MLV 110-2 to MLV 114-2S: Pig Run - MFL-C (3/19/2026)

Sta 114: Unit 1C - Compressor Rod Replacement (3/9/2026 - 3/13/2026)

Station 204

(Segment 204 BH)

1,895

1760

(135)

1762

(133)

1650

(245)

MLV 209-2 to MLV 214-2: Pig Run - Cal/IMU (3/12/2026) MLV 209-2 to MLV 214-2: Pig Run - EMAT (3/19/2026)

MLV 209-2 to MLV 214-2: Pig Run - Gauge/Cleaning (3/10/2026) MLV 209-2 to MLV 214-2: Pig Run - Gauge/Cleaning (3/9/2026) MLV 209-2 to MLV 214-2: Pig Run - MFL-C (3/17/2026)

Sta 214: Annual ESD Test & Maintenance (3/23/2026 - 4/17/2026)

Station 245

(segment 245 FH)

1,053

1,053

Station 261 Discharge East (segment 261

FH)

1,035

1,035

Station 307

(segment 307 BH)

1,202

1,202

Station 315

(segment 315 BH)

1,915

1,915

MLV 324

(segment 324 FH)

1,885

1,885

Station 405 HC Line (segment 299

FH)

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

April 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/30 - 4/5)

Week 2

(4/6 - 4/12)

Week 3

(4/13 - 4/19)

Week 4

(4/20 - 4/26)

Week 5

(4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

399

399

Station 9

(segment 109 FH)

969

969

900

(69)

969

MLV 9-3D to MLV 11-3: Pig Run - Cleaning (4/13/2026) MLV 9-3D to MLV 11-3: Pig Run - Gauge (4/14/2026)

MLV 9-3D to MLV 11-3: Pig Run - MFL-A (4/15/2026)

Station 17

(segment 117 FH)

1,122

1,122

1104

(18)

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/7/2026 - 5/26/2026)

Station 25

(segment 125 FH)

1,078

1,078

1055

(23)

1055

(23)

930

(148)

930

(148)

MLV 26-1 Relocation: Highway 59 Widening (4/6/2026 - 4/23/2026) MLV 26-2 Relocation: Highway 59 Widening (4/24/2026 - 5/12/2026) MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter

(4/24/2026 - 5/4/2026)

Station 47

(segment 143 FH)

1,343

1,343

950

(393)

950

(393)

1,343

Sta 47: Unit 1C thru 6C - Installing Unloaders (4/6/2026 - 4/17/2026) Sta 47: Unit 1E - Annual Turbine Maintenance (4/13/2026 - 4/16/2026)

Sta. 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (4/6/2026 - 4/10/2026)

Sta. 47: Unit 1D - 16K hour Overhaul (4/6/2026 - 4/17/2026)

Station 63

(segment 163 FH)

1,242

1117

(125)

1117

(125)

900

(342)

900

(342)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 79-4 to MLV 71-4D: Pig Runs - Cleaning / Gauge 4/14/26 (4/14/2026)

MLV 79-4 to MLV 71-4D: Pig Runs - EMAT 4/23/26 (4/23/2026)

Station 823

(segment 823 BH)

734

734

Station 834

(segment 834 BH)

683

670

(13)

683

670

(13)

683

Sta 834: Unit 1A - Turbocharger (3/30/2026 - 4/3/2026)

Sta 834: Unit 4A - Replace Lubrication System (4/13/2026 - 4/17/2026)

Station 847

(segment 847 FH)

626

626

490

(136)

MLV 847-1 to MLV 851-1: Pig Runs - Cal / IMU & MFL-A 4/30/26 (4/30/2026)

MLV 847-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 4/28/26 (4/28/2026)

Station 823 Muskrat Line (segment 509

BH)

231

231

130

(101)

231

Sta 823 to MLV 516: Pig Run - Maintenance (M) (4/16/2026)

MLV 516

Muskrat Line (segment 516 FH)

241

241

(166)

241

MLV 516 to Sta 523: Pig Run - Cleaning / Gauge 4/18/26 to 4/22/26 (M) (4/18/2026 - 4/22/2026)

MLV 516 to Sta 523: Pig Run - MFL-A 4/24/26 (M) (4/24/2026)

Station 534 South of Pool (segment 530 BH)

1,550

1318

(232)

1528

(22)

1528

(22)

1528

(22)

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 3/31/2026)

Sta 530: Unit 1B - Engine Maintenance (4/13/2026 - 4/17/2026) 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 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,647

1,647

Station 860

(segment 548 BH)

1,593

1576

(17)

1580

(13)

1580

(13)

1430

(163)

1430

(163)

Sta 550: Unit 3A - Turbocharger Exchange (3/16/2026 - 4/3/2026)

Sta 555 Collinwood: Annual ESD Test & Maintenance (4/21/2026 - 4/24/2026) Sta 555: Unit 1B - Protective Device Inspection (4/28/2026 - 4/29/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860 BH)

1,874

1846

(28)

1460

(414)

1540

(334)

1540

(334)

1846

(28)

Sta 563 Joelton: Annual ESD Test (4/8/2026 - 4/9/2026)

Sta 563 Joelton: Unit 1A - Lube Oil Varnish System Installation (4/6/2026 - 4/8/2026)

Sta 563 Joelton: Unit 2A - Lube Oil Varnish System Installation (4/8/2026 - 4/12/2026)

Sta 563 Joelton: Unit 2A - Solar Turbine Exchange (4/13/2026 - 4/21/2026) Sta 860: Unit 2C - 4K/Turbine Waterwash/Boroscope (4/9/2026 - 4/10/2026)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Unit 1C - 4K/Turbine Waterwash/Boroscope (4/7/2026 - 4/8/2026)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,685

2167

(518)

2054

(631)

2314

(371)

2547

(138)

2547

(138)

MLV 106-2 to MLV 110-2: Pig Run - Cal / IMU (4/2/2026)

MLV 106-2 to MLV 110-2: Pig Run - Cleaning / Gauge (3/31/2026) MLV 106-2 to MLV 110-2: Pig Run - MFL-A (4/7/2026)

Sta 87: Unit 2E Overhaul (2/20/2026 - 3/31/2026)

Sta 96: Unit 1D - Compressor Valves (3/16/2026 - 4/3/2026)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2026 (updated 02/26/26)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/30 - 4/5)

Week 2

(4/6 - 4/12)

Week 3

(4/13 - 4/19)

Week 4

(4/20 - 4/26)

Week 5

(4/27 - 5/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 114

(segment 114 BH)

907

848

(59)

907

771

(136)

771

(136)

771

(136)

MLV 119-1 to MLV 121-1: Anomaly Remediation (4/13/2026 - 5/22/2026)

Sta 118A: Solar Turbine Inspection (3/30/2026 - 4/1/2026)

Station 204

(Segment 204 BH)

1,828

1575

(253)

1365

(463)

1230

(598)

1340

(488)

1763

(65)

MLV 204-3 to MLV 209-3: Pig Run - Cal/IMU (4/16/2026) MLV 204-3 to MLV 209-3: Pig Run - EMAT (4/23/2026)

MLV 204-3 to MLV 209-3: Pig Run - Gauge/Cleaning (4/14/2026) MLV 204-3 to MLV 209-3: Pig Run - MFL-C (4/21/2026)

MLV 213-1A to MLV 213-1BR: SPECIAL PERMIT REPLACEMENT TGP 213-1

(M) (4/1/2026 - 5/22/2026)

MLV 214-2 to MLV 219-2: Pig Run - Cal/IMU (M) (4/30/2026)

MLV 214-2 to MLV 219-2: Pig Run - Gauge/Cleaning (M) (4/28/2026) Sta 204: ESD Test (4/20/2026 - 4/24/2026)

Sta 209 Cambridge: Annual ESD Test & Maintenance (4/6/2026 - 4/17/2026) Sta 214: Annual ESD Test & Maintenance (3/23/2026 - 4/17/2026)

Station 233

(segment 233 FH)

459

(376)

100

(359)

459

MLV 230-1 to MLV 237-1: Pig Run - CAL/IMU/MFL-C (M) (4/1/2026) MLV 230-1 to MLV 237-1: Pig Run - EMAT (M) (4/6/2026)

MLV 230-1 to MLV 237-1: Pig Run - Gauge/Cleaning (M) (3/30/2026)

Station 245

(segment 245 FH)

986

986

650

(336)

Sta 245 West Winfield: Annual ESD Test & Maintenance (4/30/2026 - 5/8/2026)

Sta 249: Unit 1A - Crankcase Inspection (4/27/2026 - 5/1/2026)

MLV 256 West

(segment 249 FH)

1,203

1,203

535

(668)

MLV 249-2 to MLV 254-2: Cal/IMU (4/29/2026)

MLV 249-2 to MLV 254-2: Gauge/Cleaning tool (4/28/2026) MLV 249-2 to MLV 254-2: MFL-C (4/30/2026)

Station 254

(segment 256 FH)

1,203

1,203

1040

(163)

1,203

MLV 254-3 to MLV 258-3A: Pig Runs - Cal/IMU/MFL-A Combo - 4/14/26 (4/14/2026)

MLV 254-3 to MLV 258-3A: Pig Runs - Gauge/Cleaning tool - 4/13/26

(4/13/2026)

Station 261 Discharge East (segment 261

FH)

888

888

Station 307

(segment 307 BH)

1,153

1,153

Station 315

(segment 315 BH)

1,823

1,823

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

153

140

(13)

140

(13)

145

(8)

145

(8)

MLV 341-1 to MLV 342-1: Anomaly Remediation (5/1/2026 - 5/5/2026)

Station 405 HC Line (segment 299

FH)

794

794

680

(114)

794

Sta 313 to Sta 237: Pig Run - Cleaning Run (HC Line) (4/7/2026) Sta 405A: Unit Water Wash (4/7/2026)

Station 224

(segment 224 FH)

388

388

200

(188)

388

MLV 229-2 to MLV 232-2: Pig runs - Maintenance (M) (4/8/2026 - 4/9/2026)

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

May 2026 (updated 02/26/26)

-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

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

399

399

Station 9

(segment 109 FH)

969

969

Station 17

(segment 117 FH)

1,122

1104

(18)

1104

(18)

1104

(18)

1000

(122)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/7/2026 - 5/26/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (5/27/2026 - 8/7/2026)

Station 25

(segment 125 FH)

1,078

930

(148)

925

(153)

925

(153)

925

(153)

MLV 26-2 Relocation: Highway 59 Widening (4/24/2026 - 5/12/2026) MLV 26-3 Relocation: Highway 59 Widening (M) (5/13/2026 - 5/30/2026) MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter

(4/24/2026 - 5/4/2026)

Carthage Lateral (segment 700

FH)

296

180

(116)

180

(116)

296

MLV 706-1 to MLV 700-1: Pig Run - Caliper 5/14/26 (M) (5/14/2026)

MLV 706-1 to MLV 700-1: Pig Run - Cleaning 5/12/26 (M) (5/12/2026) MLV 706-1 to MLV 700-1: Pig Run - Cleaning 5/7/26 (M) (5/7/2026)

Station 47

(segment 143 FH)

1,343

1020

(323)

1045

(298)

1045

(298)

1,343

MLV 47-4D to MLV 54-4S: Pig Run - AFD Combo (M) (5/15/2026) MLV 47-4D to MLV 54-4S: Pig Run - EMAT (M) (5/18/2026)

MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/11/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/12/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/13/2026)

Sta. 47: Station Transformer Maintenance (5/4/2026 - 5/5/2026)

Station 63

(segment 163 FH)

1,242

1117

(125)

1117

(125)

1117

(125)

1117

(125)

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

MLV 822 West

(segment 820 FH)

724

150

(574)

724

MLV 820-1 to MLV 821R-101.1: Pig Run - Maintenance (M) (5/6/2026)

MLV 822 East

(segment 822 BH)

972

150

(822)

972

MLV 823-1 to MLV 821R-101.1: Pig Run - Maintenance (M) (5/5/2026)

Station 823

(segment 823 BH)

734

640

(94)

734

Sta. 823 (Kinder): Annual ESD Test (5/5/2026 - 5/7/2026)

Station 834

(segment 834 BH)

683

670

(13)

670

(13)

504

(179)

683

Sta 834 to Sta 827: Maintenance Pig (5/21/2026)

Station 534 South of Pool (segment 530

BH)

1,550

1528

(22)

1528

(22)

1528

(22)

1528

(22)

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 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/4/2026)

MLV 548

(segment 542 BH)

1,647

1,647

Station 860

(segment 548 BH)

1,593

1390

(203)

1580

(13)

1580

(13)

1,593

Sta 555: Scrubber/Filter/Separator Clean, Inspect & Filter Change (5/4/2026 - 5/8/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 5/22/2026)

Station 860 North (Segment 860

BH)

1,874

1846

(28)

1630

(244)

1846

(28)

1846

(28)

Sta 860: Annual ESD Test & Maintenance (5/13/2026 - 5/14/2026)

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

Station 110

(segment 187 BH)

(south thru Kentucky)

2,685

2547

(138)

2092

(593)

2092

(593)

2092

(593)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 87-3 to MLV 96-3: Pig Run - AFD (5/19/2026)

MLV 87-3 to MLV 96-3: Pig Run - Cleaning/Gauge (5/14/2026) MLV 87-3 to MLV 96-3: Pig Run - EMAT (5/21/2026) MLV 87-3 to MLV 96-3: Pig Run - MDS (5/26/2026)

Station 114

(segment 114 BH)

907

771

(136)

771

(136)

771

(136)

700

(207)

MLV 119-1 to MLV 121-1: Anomaly Remediation (4/13/2026 - 5/22/2026) Sta 114 Catlettsburg: Annual ESD Test (5/25/2026 - 5/27/2026)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2026 (updated 02/26/26)

-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

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 204

(Segment 204 BH)

1,828

1660

(168)

1800

(28)

1800

(28)

1270

(558)

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026)

MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026)

MLV 207-4 to MLV 209-4: Replace Valve MLV 208-4 (M) (5/27/2026 - 6/10/2026) MLV 213-1A to MLV 213-1BR: SPECIAL PERMIT REPLACEMENT TGP 213-1

(M) (4/1/2026 - 5/22/2026)

MLV 214-2 to MLV 219-2: Pig Run - EMAT (M) (5/6/2026) MLV 214-2 to MLV 219-2: Pig Run - MFL-C (M) (5/4/2026)

Station 245

(segment 245 FH)

986

735

(251)

490

(496)

490

(496)

720

(266)

MLV 237-2 to MLV 245-2: Pig Run - CAL/IMU (M) (5/14/2026)

MLV 237-2 to MLV 245-2: Pig Run - Gauge/Cleaning Tool (M) (5/12/2026) MLV 237-2 to MLV 245-2: Pig Run - MFL-A (M) (5/18/2026)

Sta 245 West Winfield: Annual ESD Test & Maintenance (4/30/2026 - 5/8/2026) Sta 249: ESD Test & Maintenance (5/19/2026 - 5/25/2026)

Sta 249: Unit 2A - Crankcase Inspection (5/4/2026 - 5/8/2026)

Station 254

(segment 256 FH)

1,203

1,203

925

(278)

1,203

630

(573)

MLV 254-2 to MLV 261-2: Pig Run - Cal/IMU/MFL-A Combo (5/28/2026)

MLV 254-2 to MLV 261-2: Pig Run - Gauge/Cleaning tool (5/27/2026) Sta 254 Nassau: Annual ESD Test (5/12/2026)

Sta 254: Unit 2B - 4k / 8k Service Inspection (5/13/2026 - 5/14/2026)

Station 261 Discharge East (segment 261

FH)

888

888

Station 307

(segment 307 BH)

1,153

1,153

Station 315

(segment 315 BH)

1,823

1,823

Station 321

(segment 321 FH)

2,102

1820

(282)

1820

(282)

1820

(282)

2,102

Sta. 323A Lackawaxen: Annual ESD Testing & Valve Replacement (5/4/2026 - 5/7/2026)

Sta. 323A: Unit 1A - ABB Drive Modernization (5/4/2026 - 5/22/2026)

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

145

(8)

150

(3)

150

(3)

153

MLV 344-1 to MLV 345-1: Anomaly Remediation (5/16/2026 - 5/20/2026)

Station 261

South 300 Line

(segment 355 FH)

221

221

215

(6)

215

(6)

Cranston Lateral South

(segment 281

FH)

187

150

(37)

187

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Cal/IMU (M) (5/6/2026)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Gauge/Cleaning tool (M) (5/5/2026)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - MFL-A (M) (5/7/2026)

Station 405 HC Line (segment 299

FH)

794

794

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.

Tennessee Gas Pipeline Notice 399578

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