Tennessee Gas Pipeline Notice 393949

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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: 03/06/2025 4:08:15PM	Notice End Date/Time: 03/07/2025 9:00:00am
Post Date/Time: 3/6/2025 4:08:15 PM	Notice ID: 393949
Reqrd Rsp: 1	Rsp Date: 03/06/2025
Notice Stat Desc: INITIATE	Prior Notice:
Subject: TGP Outage Impact Report

Notice Text:

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(3/10)

Tuesday

(3/11)

Wednesday

(3/12)

Thursday

(3/13)

Friday

(3/14)

Saturday

(3/15)

Sunday

(3/16)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

586

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

Sta 409: Unit 1A - Maintenance (2/24/2025 - 3/20/2025)

MLV 406

(segment 406 BH)

477

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

MLV 407-2 to MLV 409-2: Anomaly Remediation (3/10/2025 - 3/22/2025)

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,035

750

(285)

750

(285)

750

(285)

750

(285)

750

(285)

750

(285)

1,035

MLV 14-2 to MLV 15-2: Anomaly Remediation (3/10/2025 - 3/15/2025)

Station 17

(segment 117 FH)

814

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)

Station 25

(segment 125 FH)

772

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

MLV 18-3 to MLV 19-3: Anomaly Remediation (2/24/2025 - 3/29/2025) MLV 29-2 to MLV 30-2: Anomaly Remediation (3/13/2025 - 3/20/2025)

Station 40 South

(segment 132 FH)

770

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

Sta 32: Unit 7B - Compressor Overhaul (2/17/2025 - 3/17/2025) Sta 40: Unit 2C - Emergent Repair (2/7/2025 - TBD)

Carthage Lateral (segment 700 FH)

331

331

215

(116)

331

MLV 706-1 to MLV 700-1: Pig Run - Maintenance (M) (3/11/2025)

Station 47

(segment 143 FH)

1,201

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 3/17/2025) MLV 50-1 to MLV 51-1: Anomaly Remediation (3/1/2025 - 3/17/2025) MLV 56-4 to MLV 57-4: Pressure Test (3/5/2025 - 4/19/2025)

Sta 47: Unit 6C -Investigate Metal in Strainers (1/27/2025 - 3/10/2025)

Station 63

(segment 163 FH)

1,281

1,281

Station 823

(segment 823 BH)

711

711

Station 834

(segment 834 BH)

700

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 3/21/2025) Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,667

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

MLV 536-1 to MLV 537-1: Anomaly Remediation (3/14/2025 - 3/20/2025) MLV 537-1 to MLV 538-1: Anomaly Remediation (M) (3/11/2025 - 3/13/2025) Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,590

1550

(40)

1550

(40)

1550

(40)

1550

(40)

1550

(40)

1580

(10)

1580

(10)

Sta 555: Unit 4A - Compressor Overhaul (1/25/2025 - 3/18/2025) Sta 555: Unit 6A - Replace Power Cylinder 1L (3/1/2025 - 3/14/2025)

Station 860 North (Segment 860 BH)

1,887

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

MLV 560-1 to MLV 561-1: Class Change (11/4/2024 - 3/17/2025)

MLV 564-2: Valve Repair (3/10/2025 - 3/17/2025) Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 -

6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,761

2630

(131)

2630

(131)

2630

(131)

2210

(551)

2691

(70)

2691

(70)

2691

(70)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation (2/24/2025 - 4/17/2025)

MLV 106-4 to MLV 107-4: PHMSA Immediate Anomaly Remediation (2/14/2025 - 3/12/2025)

MLV 876-2 to MLV 874-2: Pig Runs - Cleaning / Gauge 3/13/25 (3/13/2025) MLV 95-5 to MLV 96-5: Anomaly Remediation (3/3/2025 - 3/21/2025)

Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025) Sta 106: Unit 1D - 8k hr Maintenance (3/10/2025 - 3/13/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025) Sta 871: Unit 1A - 1Q Engine Inspection (3/12/2025)

Sta 871: Unit 2A - 1Q Engine Inspection (3/11/2025)

Station 114

(segment 114 BH)

953

953

Station 204

(Segment 204 BH)

1,894

1834

(60)

1739

(155)

1834

(60)

1834

(60)

1834

(60)

1868

(26)

1868

(26)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 - 4/1/2025)

MLV 214-3 to MLV 209-3: Pig Runs - EMAT 3/11/25 (3/11/2025)

Sta 200: Unit 6A - Oil Pump (3/10/2025 - 3/14/2025)

Sta 204: Unit 8A - Bore Compressor Cylinders (2/17/2025 - 3/20/2025) Sta 209: Unit 6A - Punch Carbon (3/10/2025 - 3/14/2025)

Station 237

(segment 237 FH)

1,077

960

(117)

960

(117)

960

(117)

960

(117)

960

(117)

1,077

Sta 237: Unit 3A - Compressor Inspection (3/4/2025 - 3/14/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(3/10)

Tuesday

(3/11)

Wednesday

(3/12)

Thursday

(3/13)

Friday

(3/14)

Saturday

(3/15)

Sunday

(3/16)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 245

(segment 245 FH)

1,057

1,057

Station 254

(segment 256 FH)

1,284

1265

(19)

1265

(19)

1265

(19)

1265

(19)

1,284

Sta 254: Unit 1A - Crankcase Inspection (3/10/2025 - 3/11/2025) Sta 254: Unit 2A - Crankcase Inspection (3/12/2025 - 3/13/2025)

Station 261 Discharge East (segment 261 FH)

1,051

1,051

Station 266A (segment 282 FH)

406

406

255

(151)

255

(151)

406

MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - Cleaning / Gauge 3/11/25 (M) (3/11/2025)

MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - MFL-A/Cal/IMU Combo 3/12/25 (M) (3/12/2025)

Station 307

(segment 307 BH)

1,221

1,221

Station 315

(segment 315 BH)

1,917

1,917

Station 321

(segment 321 FH)

2,216

2166

(50)

2166

(50)

2095

(121)

2166

(50)

2166

(50)

2166

(50)

2166

(50)

Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025) Sta 321: Unit 7B - Water Wash (3/12/2025)

MLV 324

(segment 324 FH)

1,879

1,879

Station 405 HC Line (segment 299 FH)

827

827

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 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/3 - 3/9)

Week 2

(3/10 - 3/16)

Week 3

(3/17 - 3/23)

Week 4

(3/24 - 3/30)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

586

456

(130)

586

Sta 409: Unit 1A - Maintenance (2/24/2025 - 3/20/2025)

MLV 406

(segment 406 BH)

477

167

(310)

457

(20)

MLV 401-1 to MLV 402-1: Anomaly Remediation (3/23/2025 - 3/28/2025)

MLV 402-1 to MLV 403-1: Anomaly Remediation (3/17/2025 - 3/22/2025) MLV 407-2 to MLV 409-2: Anomaly Remediation (3/10/2025 - 3/22/2025)

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,035

1,035

Station 17

(segment 117 FH)

814

739

(75)

739

(75)

MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)

Station 25

(segment 125 FH)

772

767

(5)

707

(65)

MLV 18-3 to MLV 19-3: Anomaly Remediation (2/24/2025 - 3/29/2025)

MLV 25-3 to MLV 32-3: Pig Run - Maintenance (3/27/2025)

MLV 29-2 to MLV 30-2: Anomaly Remediation (3/13/2025 - 3/20/2025)

Station 40 South

(segment 132 FH)

770

560

(210)

570

(200)

Sta 32: Unit 7B - Compressor Overhaul (2/17/2025 - 3/17/2025)

Sta 40: Unit 2C - Emergent Repair (2/7/2025 - TBD)

Station 47

(segment 143 FH)

1,201

1196

(5)

1196

(5)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025)

MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 3/17/2025) MLV 50-1 to MLV 51-1: Anomaly Remediation (3/1/2025 - 3/17/2025) MLV 56-4 to MLV 57-4: Pressure Test (3/5/2025 - 4/19/2025)

Sta 63: Unit 2D - Alignment (3/17/2025 - 3/18/2025)

Station 63

(segment 163 FH)

1,281

1,281

Station 823

(segment 823 BH)

711

711

Station 834

(segment 834 BH)

700

685

(15)

685

(15)

Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 3/21/2025)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

Station 847

(segment 847 BH)

305

305

199

(106)

MLV 856-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 3/24/25 (3/24/2025)

MLV 856-1 to MLV 851-1: Pig Runs - EMAT 3/27/25 (3/27/2025) MLV 856-1 to MLV 851-1: Pig Runs - MFL-C 3/25/25 (3/25/2025)

MLV 548

(segment 542 BH)

1,667

1420

(247)

1020

(647)

MLV 535-1 to MLV 536-1: Anomaly Remediation (3/23/2025 - 4/5/2025)

MLV 536-1 to MLV 537-1: Anomaly Remediation (3/14/2025 - 3/20/2025) MLV 546-1 to MLV 542-1: Pig Runs - Maintenance (3/26/2025) MLV 546-2 to MLV 542-2: Pig Runs - Maintenance (3/27/2025) MLV 546-3 to MLV 542-3: Pig Runs - Maintenance (3/25/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,590

1580

(10)

1570

(20)

Sta 555: Unit 4A - Compressor Overhaul (1/25/2025 - 3/18/2025)

Sta 555: Unit 5A - Torque Anchor Bolts & Crankshaft Deflections (3/24/2025 - 3/28/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

March 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/3 - 3/9)

Week 2

(3/10 - 3/16)

Week 3

(3/17 - 3/23)

Week 4

(3/24 - 3/30)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,887

1297

(590)

1100

(787)

MLV 560-1 to MLV 561-1: Class Change (11/4/2024 - 3/17/2025)

MLV 560-3 TO MLV 559-3: Pig Runs - Cleaning / Gauge 3/18/25 (3/18/2025) MLV 560-3 TO MLV 559-3: Pig Runs - MFL-A 3/19/25 (3/19/2025)

MLV 564-2: Valve Repair (3/10/2025 - 3/17/2025)

Sta 563: Quarterly Safety Checks (3/24/2025 - 3/27/2025) Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,761

2210

(551)

2300

(461)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation

(2/24/2025 - 4/17/2025)

MLV 876-2 to MLV 874-2: Pig Runs - AFD Combo 3/18/25 (3/18/2025) MLV 876-2 to MLV 874-2: Pig Runs - EMAT 3/20/25 (3/20/2025)

MLV 89-1 to MLV 90-1: Anomaly Remediation (3/24/2025 - 3/28/2025) MLV 92-5 to MLV 93-5: Anomaly Remediation (3/17/2025 - 3/21/2025) MLV 95-5 to MLV 96-5: Anomaly Remediation (3/3/2025 - 3/21/2025) MLV 96-4 to MLV 106-4: Pig Runs - AFD Combo 3/27/25 (3/27/2025)

MLV 96-4 to MLV 106-4: Pig Runs - Cleaning / Gauge 3/25/25 (3/25/2025) Sta 106: Unit 11B - Exhaust Manifold (3/17/2025 - 3/21/2025)

Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025)

Station 114

(segment 114 BH)

953

953

Station 204

(Segment 204 BH)

1,894

1831

(63)

1841

(53)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 -

4/1/2025)

Sta 204: Unit 8A - Bore Compressor Cylinders (2/17/2025 - 3/20/2025) Sta 209: Unit 7A - Repack #1 Turbo Exhaust outlet flange (3/17/2025 - 3/21/2025)

Sta 209: Unit 8A - Punch Carbon (3/24/2025 - 3/28/2025)

Station 245

(segment 245 FH)

1,057

1025

(32)

1,057

Sta 241: Unit 1B - Compressor Valves (3/18/2025)

Station 254

(segment 256 FH)

1,284

1265

(19)

1,284

Sta 254: Unit 5A - Crankcase Inspection (3/17/2025 - 3/19/2025)

Station 261 Discharge East (segment 261 FH)

1,051

1,051

Station 266A (segment 282 FH)

406

225

(181)

406

MLV 266A-101L TO MLV 266A-101R: Pig Runs - Cleaning / Gauge 3/18/25 (M)

(3/18/2025)

MLV 266A-101L TO MLV 266A-101R: Pig Runs - MFL-A / Cal / IMU Combo 3/19/25 (M) (3/19/2025)

Fitchburg Lat to Gloucester (segment 268 FH)

202

202

120

(82)

MLV 267-2 TO MLV 273-2A: Pig Runs - Cleaning / Gauge 3/25/25 (M)

(3/25/2025)

MLV 267-2 TO MLV 273-2A: Pig Runs - MFL-A / Cal / IMU Combo 4/2/25 (M) (3/26/2025)

Station 307

(segment 307 BH)

1,221

1190

(31)

1,221

Sta 219: Unit 1B - Compressor Packing (3/17/2025 - 3/21/2025)

Station 315

(segment 315 BH)

1,917

1,917

Station 321

(segment 321 FH)

2,216

2166

(50)

2166

(50)

Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025)

MLV 324

(segment 324 FH)

1,879

1,879

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	March 2025 (updated 03/06/25)					-Minor impact restrictions may be necessary depending on flow conditions
						-Little to no impact, though minor outages may cause incremental reductions
Station # / Lateral	Est Nominal Operating Capacity (Thousand Dth)	Week 1 (3/3 - 3/9)	Week 2 (3/10 - 3/16)	Week 3 (3/17 - 3/23)	Week 4 (3/24 - 3/30)	Primary Outage(s)
Station # / Lateral	Est Nominal Operating Capacity (Thousand Dth)	Est. Operational Capacity (Operational Impact) - Thousand Dth				Primary Outage(s)
Station 405 HC Line (segment 299 FH)	827			827	827
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 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492 FH)

274

134

(140)

274

MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/1/25 (4/1/2025)

MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/2/25 (4/2/2025) MLV 409A-901 to MLV 409A-902: Pig Run - MFL-A 4/3/25 (4/3/2025)

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

255

(145)

400

Sta 1 Agua Dulce: Annual ESD Test (4/2/2025)

Station 9

(segment 109 FH)

980

980

450

(530)

840

(140)

840

(140)

MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/15/2025 - 5/22/2025)

MLV 5-2 to MLV 1-2D: Pig Runs - Maintenance Cleaning 4/10 (M) (4/10/2025) MLV 9-1S and MLV 1-1D: Pig Run - Maintenance Cleaning 4/8 (M) (4/8/2025) MLV 9-2 to MLV 5-2: Pig Runs - Maintenance Cleaning 4/10 (M) (4/10/2025) MLV 9-3 to MLV 4-3: Pig Runs - Maintenance Cleaning 4/9 (M) (4/9/2025)

Station 25

(segment 125 FH)

714

714

709

(5)

709

(5)

MLV 25-2 to MLV 26-2: Anomaly Remediation (4/15/2025 - 4/30/2025)

Station 47

(segment 143 FH)

1,184

1084

(100)

1084

(100)

999

(185)

1164

(20)

MLV 40-3 to MLV 47-3: Pig Run - EMAT 4/16/25 (4/16/2025)

MLV 40-3 to MLV 47-3: Pig Run - Maintenance Cleaning 4/10/25 (4/10/2025) MLV 40-3 to MLV 47-3: Pig Run - Maintenance Cleaning 4/2/25 (4/2/2025) MLV 40-3 to MLV 47-3: Pig Run - Maintenance Cleaning 4/8/25 (4/8/2025) MLV 40-3 to MLV 47-3: Pig Run - MFL-C 4/14/25 (4/14/2025)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 47-3D TO MLV 53-3: Pig Runs - MDS 4/17/25 (4/17/2025)

MLV 56-4 to MLV 57-4: Pressure Test (3/5/2025 - 4/19/2025)

Sta 42-2BL to Sta 47-2S: Pig Runs - Cleaning / Gauge 4/21 - 4/23 (4/21/2025 - 4/23/2025)

Sta 42-2BL to Sta 47-2S: Pig Runs - TDW MDS 4/24 (4/24/2025)

Sta 47: Unit 1E - Annual Turbine Maintenance (4/14/2025 - 4/18/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

1,233

845

(388)

845

(388)

MLV 71-3S to MLV 63-3D: Pig Runs - Caliper / IMU 4/17/25 (4/17/2025)

MLV 71-3S to MLV 63-3D: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 71-3S to MLV 63-3D: Pig Runs - EMAT 4/24/25 (4/24/2025)

MLV 71-3S to MLV 63-3D: Pig Runs - MFL-C 4/22/25 (4/22/2025)

Station 823

(segment 823 BH)

686

686

215

(471)

686

Sta 827 to Sta 823: Pig Run - Maintenance (M) (4/8/2025)

Sta 834 to Sta 827: Maintenance Pig (M) (4/8/2025)

Station 834

(segment 834 BH)

679

664

(15)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,597

1350

(247)

1355

(242)

1,597

MLV 534-1 to MLV 535-1: Anomaly Remediation (4/7/2025 - 4/12/2025)

MLV 535-1 to MLV 536-1: Anomaly Remediation (3/23/2025 - 4/5/2025) Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,516

1,516

Station 860 North (Segment 860 BH)

1,793

1693

(100)

1693

(100)

1693

(100)

1693

(100)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Sta 860: Unit 1B - Replace Lubrication System & Eletctronic Bearing System

(4/1/2025 - 4/10/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2184

(461)

2630

(15)

2630

(15)

2605

(40)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation

(2/24/2025 - 4/17/2025)

MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 90-4 to MLV 91-4: Anomaly Remediation (3/31/2025 - 4/4/2025) MLV 96-4 to MLV 106-4: Pig Runs - EMAT 4/1/25 (4/1/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025)

Station 114

(segment 114 BH)

920

920

655

(265)

370

(550)

370

(550)

MLV 114-2A to MLV 115-2: Anomaly Remediation (4/14/2025 - 4/25/2025)

MLV 115-2A to MLV 116-2: Anomaly Remediation (4/14/2025 - 4/25/2025) MLV 115-3 to MLV 116-3: Anomaly Remediation (M) (4/25/2025 - 5/9/2025) MLV 116-2 to MLV 117-2BL: Anomaly Remediation (M) (4/14/2025 - 4/25/2025) MLV 116-3 to MLV 117-3: Anomaly Remediation (4/25/2025 - 5/9/2025)

MLV 121-1 to MLV 118-1: Pig Runs - AFD Combo 4/8/25 (M) (4/8/2025)

MLV 121-1 to MLV 118-1: Pig Runs - Cleaning / Gauge 4/7/25 (M) (4/7/2025) MLV 121-1 to MLV 118-1: Pig Runs - EMAT 4/10/25 (M) (4/10/2025)

Sta 114: Unit 1D - 4K Solar Turbine Inspection (4/14/2025 - 4/17/2025)

Station 200

(segment 200 BH)

1,765

1,765

1405

(360)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025)

Station 204

(Segment 204 BH)

1,827

1537

(290)

1537

(290)

1707

(120)

1664

(163)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 -

4/1/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Cleaning / Gauge 4/15/25 (M) (4/15/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-A Combo 4/17/25 (M) (4/17/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 4/24/25 (M) (4/24/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Residual 4/22/25 (M) (4/22/2025) MLV 219-4 to MLV 214-4: Pig Runs - Cleaning / Gauge 4/1/25 (4/1/2025) MLV 219-4 to MLV 214-4: Pig Runs - EMAT 4/8/25 (4/8/2025)

MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 4/3/25 (4/3/2025)

Sta 200: Unit 10A - Replacing Engine Chocks and Alignment (3/31/2025 - 4/4/2025)

Sta 204: Unit 10A - Install Aftercooler (3/31/2025 - 4/3/2025) Sta 209: Unit 10A - Punch Carbon (4/7/2025 - 4/11/2025)

Sta 209: Unit 13A - Crankcase Inspection (4/14/2025 - 4/18/2025) Sta 209: Unit 9A - Punch Carbon (3/31/2025 - 4/4/2025)

Station 245

(segment 245 FH)

997

997

N Hampton Lat (segment 280 FH)

(15)

Sta 260A: Unit 1A - Gear Box Maintenance Activity (4/14/2025 - 4/16/2025)

Station 261 Discharge East (segment 261 FH)

941

941

795

(146)

941

Sta 261: Unit 1C - 4K Maintenance Activity and Water Wash (4/7/2025 -

4/8/2025)

Sta 261: Unit 5A - 4K Maintenance Activity and Water Wash (4/8/2025 - 4/9/2025)

Station 266A (segment 282 FH)

371

371

150

(221)

371

Sta 266A: Units 1B - Turbine Exchange (M) (4/7/2025 - 4/12/2025)

Fitchburg Lat to Gloucester (segment 268 FH)

202

185

(17)

185

(17)

180

(22)

185

(17)

MLV 267-1A to MLV 268-1: Anomaly Remediation (4/14/2025 - 4/19/2025)

MLV 267-1R to MLV 267-1A: Anomaly Remediation (4/3/2025 - 4/15/2025) MLV 270-1A to MLV 270C-101.1R: Anomaly Remediation (4/21/2025 - 4/26/2025)

Station 307

(segment 307 BH)

1,150

1,150

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1,579

1570

(9)

1,579

MLV 316-1 to MLV 317-1: Hot Tap New Meter Station (Meter Hemlock PIN

412822) (M) (4/15/2025 - 4/16/2025)

Station 321

(segment 321 FH)

2,102

2052

(50)

1660

(442)

1855

(247)

2,102

MLV 319-2 TO MLV 321-2: Pig Runs - Caliper & MFL-A Combo 4/9/25 (M)

(4/9/2025)

MLV 319-2 TO MLV 321-2: Pig Runs - Cleaning / Gauge 4/7/25 (M) (4/7/2025) Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025)

Sta 323: Electric Company Maintenance (4/14/2025 - 4/16/2025)

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

(153)

153

MLV 342-1 to MLV 343-1: Anomaly Remediation (3/31/2025 - 4/5/2025)

MLV 344-1 to MLV 345-1: Anomaly Remediation (4/7/2025 - 4/12/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 350-1 to MLV 351-1: Anomaly Remediation (4/14/2025 - 4/19/2025)

Station 405 HC Line (segment 299 FH)

803

803

330

(473)

Sta 313 to Sta 237: Pig Run - Maintenance / Cleaning (M) (4/21/2025)

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

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

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

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 FH)

980

840

(140)

840

(140)

840

(140)

840

(140)

980

MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/15/2025 - 5/22/2025)

Station 25

(segment 125 FH)

714

609

(105)

609

(105)

609

(105)

559

(155)

559

(155)

MLV 17-1D to MLV 20-1A: Anomaly Remediation (5/20/2025 - 6/7/2025)

MLV 20-1A to MLV 24-1A: Anomaly Remediation (4/29/2025 - 5/17/2025) MLV 24-2 to MLV 25-2S: Pig Run - Cleaning / Gauge 4/30 to 5/3 (4/30/2025 - 5/3/2025)

MLV 24-2 to MLV 25-2S: Pig Run - Combo ILI 5/6 (5/6/2025)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (5/19/2025 - 6/6/2025)

MLV 25-2 to MLV 26-2: Anomaly Remediation (4/15/2025 - 4/30/2025)

MLV 25-3D to MLV 27-3: Anomaly Remediation (5/1/2025 - 5/30/2025)

Station 40 South

(segment 132 FH)

912

912

907

(5)

637

(275)

747

(165)

767

(145)

MLV 32-2D TO MLV 40-2S: Pig Runs - Maintenance (5/20/2025)

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (5/15/2025) MLV 36-1 to MLV 36-1A: Anomaly Remediation (6/1/2025 - 6/30/2025)

MLV 36-1TX to MLV 36-1LA: Pig Run - Maintenance (5/6/2025)

MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025)

Station 47

(segment 143 FH)

1,181

1161

(20)

1161

(20)

1171

(10)

1171

(10)

976

(205)

MLV 40-1D to MLV 47-1S: Pig Runs - Cleaning / Gauge 4/28 - 4/30 (M)

(4/28/2025 - 4/30/2025)

MLV 40-1D to MLV 47-1S: Pig Runs - TDW MDS 5/1 (M) (5/1/2025)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - Cleaning & Gauge 5/28 - 5/31 (M) (5/27/2025 - 5/29/2025)

MLV 54-2D TO MLV 63-2S: Pig Runs - Cleaning / Gauge 5/06/25 (5/6/2025) MLV 54-2D TO MLV 63-2S: Pig Runs - MFL-A 5/08/25 (5/8/2025)

Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

948

(285)

910

(323)

1,233

MLV 63-2D to MLV 69-2: Pig Runs - Caliper / UMU 5/1/25 (5/1/2025)

MLV 63-2D to MLV 69-2: Pig Runs - Cleaning / Gauge 4/29/25 (4/29/2025) MLV 63-2D to MLV 69-2: Pig Runs - EMAT 5/8/25 (5/8/2025)

MLV 63-2D to MLV 69-2: Pig Runs - MFL-C 5/6/25 (5/6/2025)

Sta 71 Middleton: Annual ESD Test (5/7/2025 - 5/8/2025) Sta 79 Lobelville: Annual ESD Test (5/6/2025)

Station 823

(segment 823 BH)

686

686

414

(272)

686

Sta. 823 (Kinder): Annual ESD Test (5/13/2025 - 5/15/2025)

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

Station 847

(segment 847 BH)

284

220

(64)

220

(64)

210

(74)

210

(74)

284

MLV 838-1 TO MLV 834-1: Pig Runs - Cleaning / Gauge 4/28 - 5/1 (M)

(4/28/2025 - 5/1/2025)

MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN AFD (MFL-C) 5/6 (M) (5/6/2025) MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN CAL / IMU 5/2 (M) (5/2/2025) MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN EMAT 5/8 (M) (5/8/2025)

MLV 843-1 TO MLV 847-1: Pig Runs - AFD 5/20/25 (5/20/2025) MLV 843-1 TO MLV 847-1: Pig Runs - Caliper 5/15/25 (5/15/2025)

MLV 843-1 TO MLV 847-1: Pig Runs - Cleaning / Gauge 5/13/25 (5/13/2025) MLV 843-1 TO MLV 847-1: Pig Runs - EMAT 5/22/25 (5/22/2025)

MLV 548

(segment 542 BH)

1,597

1,597

1585

(12)

1585

(12)

1370

(227)

1370

(227)

MLV 536-1 to MLV 537-1: Anomaly Remediation (5/6/2025 - 5/19/2025)

MLV 540-1 to MLV 541-1: Anomaly Remediation (5/20/2025 - 6/7/2025)

Station 860

(segment 548 BH)

1,516

1,516

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,793

1310

(483)

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 565-2 TO MLV 559-2: Pig Runs - AFD 2/28/25 (5/2/2025)

MLV 565-2 TO MLV 559-2: Pig Runs - Cleaning / Gauge 4/28/25 (4/28/2025) MLV 565-2 TO MLV 559-2: Pig Runs - CLP 4/30/25 (4/30/2025)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2605

(40)

2605

(40)

2620

(25)

2630

(15)

2175

(470)

MLV 107-3 to MLV 108-3: Anomaly Remediation (5/12/2025 - 5/27/2025)

MLV 108-3 to MLV 109-3: Anomaly Remediation (5/28/2025 - 6/12/2025) MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (4/21/2025 - 5/9/2025)

Sta 110 Morehead: Annual ESD Test & Substation Inspection (5/27/2025 - 5/30/2025)

Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025) Sta 871: Unit 1A - Engine Inspection (5/13/2025)

Sta 871: Unit 2A - Engine Inspection (5/5/2025)

Sta 871: Unit 2A -Compressor Unloaders (5/5/2025 - 5/9/2025) Sta 96 Campbellsville: Annual ESD Test (5/28/2025 - 5/29/2025)

Sta 96 Campbellsville: Annual Substation Inspection (5/28/2025 - 5/30/2025)

Station 114

(segment 114 BH)

920

370

(550)

370

(550)

370

(550)

370

(550)

370

(550)

MLV 115-3 to MLV 116-3: Anomaly Remediation (M) (4/25/2025 - 5/9/2025)

MLV 115-3 to MLV 116-3: Anomaly Remediation (M) (5/12/2025 - 5/23/2025) MLV 116-3 to MLV 117-3: Anomaly Remediation (4/25/2025 - 5/9/2025) MLV 116-3 to MLV 117-3: Anomaly Remediation (5/12/2025 - 5/23/2025) MLV 117-3 to MLV 118-3B: Anomaly Remediation (5/12/2025 - 5/23/2025) MLV 119-2BL to MLV 119-2A: Anomaly Remediation (M) (5/26/2025 - 6/30/2025)

MLV 120-2 to MLV 121-2: Anomaly Remediation (5/26/2025 - 6/30/2025) MLV 121-2 to MLV 121-2R: Anomaly Remediation (5/26/2025 - 6/30/2025)

Station 200

(segment 200 BH)

1,765

1405

(360)

1295

(470)

1235

(530)

1235

(530)

1235

(530)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025) MLV 111-3B to MLV 112-3: Make Piggable (5/12/2025 - 5/30/2025) MLV 200-2 to MLV 110-4: Pig Re-Runs - EMAT 5/6/25 (5/6/2025)

Station 204

(Segment 204 BH)

1,827

1741

(86)

1382

(445)

1467

(360)

1727

(100)

1717

(110)

MLV 204-2 to MLV 200-2: Pig Runs - EMAT 4/29/25 (M) (4/29/2025)

MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/1/2025) MLV 205-2 to MLV 206-2: Anomaly Remediation (5/12/2025 - 5/21/2025) MLV 205-2 to MLV 206-2: Landslide Mitigation (5/19/2025 - 5/31/2025) MLV 207-2 to MLV 208-2: Anomaly Remediation (5/5/2025 - 5/10/2025) MLV 210-3 to MLV 210-3A: Class Change Replacement (5/12/2025 - 6/13/2025)

Sta 204: Annual ESD Test & Maintenance (5/5/2025 - 5/9/2025)

Sta 209 Cambridge: Annual ESD Test & Maintenance (5/12/2025 - 5/16/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

535

(5)

540

Sta 219: Unit 13A - Mounting Valve Operators / Testing (5/7/2025 - 5/9/2025)

Sta 219: Unit 13A - Unit Valve Replacement (5/5/2025 - 5/6/2025)

Station 230C (segment 296 FH)

743

743

390

(353)

743

MLV 230B-201 to MLV 230B-207: Pig Run - Maintenance Cleaning 5/20 - 5/22

(5/20/2025 - 5/22/2025)

Station 237

(segment 237 FH)

1,017

1,017

905

(112)

1,017

Sta 233: Annual ESD Test (5/20/2025)

Sta 233: Point to Point and Trans Cals (5/21/2025)

Station 245

(segment 245 FH)

997

997

730

(267)

730

(267)

855

(142)

975

(22)

MLV 245-2 TO MLV 249-2: Pig Runs - Cleaning / Gauge 5/6/25 (M) (5/6/2025)

MLV 245-2 TO MLV 249-2: Pig Runs - MFL-A / Cal / IMU Combo 5/7/25 (M) (5/7/2025)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)

Sta 245 West Winfield: Annual ESD Test (5/13/2025 - 5/14/2025) Sta 245: Unit 1C - Water Wash & Borescope (5/12/2025 - 5/23/2025) Sta 245-1 to MLV 249-1: Pig Run - Maintenance (5/13/2025)

MLV 256 West

(segment 249 FH)

1,213

1060

(153)

1140

(73)

1,213

Sta 249 Carlisle: Filter Inspection (4/28/2025 - 4/29/2025)

Sta 249: Unit 1A - Crankcase Inspection (4/28/2025 - 5/2/2025) Sta 249: Unit 2A - Engine Maintenance (5/5/2025 - 5/9/2025)

Station 254

(segment 256 FH)

1,213

893

(320)

1,213

835

(378)

1,213

MLV 254-1 to MLV 261-1: Pig Run - Maintenance (5/20/2025)

MLV 254-2 to MLV 261-2: Pig Run - Maintenance (5/21/2025) MLV 254-3 to MLV 258-3: Pig Run - Maintenance (5/22/2025) Sta 254 Nassau: Annual ESD Test (5/1/2025)

Sta 254 Nassau: Filter Inspection (4/30/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261 FH)

941

941

Fitchburg Lat to Gloucester (segment 268 FH)

202

202

185

(17)

185

(17)

185

(17)

MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (5/12/2025 -

5/31/2025)

Station 307

(segment 307 BH)

1,149

1,149

925

(224)

1,149

925

(224)

Sta 303A: Annual ESD Test & Maintenance (5/26/2025 - 5/30/2025)

Sta 303A: Unit 1A - Protective Device Checks (5/26/2025 - 5/30/2025) Sta 303A: Unit 1A - Water Wash (5/13/2025 - 5/14/2025)

Station 315

(segment 315 BH)

1,854

1,854

1430

(424)

1,854

Sta 315 Wellsboro: Annual ESD Test (5/5/2025 - 5/9/2025)

Sta 315 Wellsboro: Station Blowdown Silencer (5/5/2025 - 5/9/2025)

Station 321

(segment 321 FH)

2,102

2000

(102)

2,102

Sta 321: Unit 1C - Turbine Inspection (4/29/2025)

Sta 321: Unit 2C - Turbine Inspection (4/28/2025)

Sta 321: Units 5B, 6B & 7B - Turbine Inspection (4/30/2025)

MLV 324

(segment 324 FH)

1,767

1,767

Station 405 HC Line (segment 299 FH)

803

803

Station 224

(segment 224 FH)

389

389

220

(169)

389

Sta 229: Annual ESD Test & Maintenance (5/14/2025 - 5/15/2025)

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

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

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 FH)

980

980

650

(330)

650

(330)

980

MLV 13-3 to MLV 17-3: Pig Run - Cleaning 6/10/25 (M) (6/10/2025)

MLV 13-3 to MLV 17-3: Pig Run - EMAT 6/20/25 (M) (6/20/2025) MLV 13-3 to MLV 17-3: Pig Run - Gauge 6/12/25 (M) (6/12/2025) MLV 13-3 to MLV 17-3: Pig Run - MFL-A 6/16/25 (M) (6/16/2025) MLV 13-3 to MLV 17-3: Pig Run - MFL-C 6/18/25 (M) (6/18/2025)

Station 25

(segment 125 FH)

714

709

(5)

714

MLV 17-1D to MLV 20-1A: Anomaly Remediation (5/20/2025 - 6/7/2025)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (5/19/2025 - 6/6/2025)

Station 40 South

(segment 132 FH)

912

767

(145)

767

(145)

747

(165)

747

(165)

MLV 36-1 to MLV 36-1A: Anomaly Remediation (6/1/2025 - 6/30/2025)

MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (6/22/2025 - 7/15/2025)

Station 47

(segment 143 FH)

1,176

841

(335)

1101

(75)

1166

(10)

1171

(5)

MLV 40-4D to MLV 47-4S: Pig Runs - Maintenance (M) (6/10/2025)

MLV 47-1A to MLV 48-1: Class Change (6/2/2025 - 11/30/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - TDW MDS 4/17 (M) (6/3/2025)

Sta 47: Scrubber Filter Separator Cleaning & Inspection (6/2/2025 - 6/6/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

1,233

945

(288)

1155

(78)

MLV 63-2D to MLV 69-2: Pig Runs - Cleaning / Gauge 6/17/25 (6/17/2025)

MLV 63-2D to MLV 69-2: Pig Runs - MDS 6/19/25 (6/19/2025) MLV 71-2D to MLV 79-2S: Pig Runs - EMAT 6/24/25 (6/24/2025)

Station 823

(segment 823 BH)

686

540

(146)

686

Station 827 (Alexandria): Annual ESD and Maintenance (6/2/2025 - 6/5/2025)

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,597

1370

(227)

1,597

MLV 540-1 to MLV 541-1: Anomaly Remediation (5/20/2025 - 6/7/2025)

Station 860

(segment 548 BH)

1,516

1,516

1210

(306)

1,516

MLV 550-2 TO MLV 546-2: Pig Runs - AFD 6/18/25 (6/18/2025)

MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning / Gauge 6/16/25 (6/16/2025) MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 6/20/25 (6/20/2025)

Station 860 North (Segment 860 BH)

1,793

940

(853)

1360

(433)

1185

(608)

1165

(628)

MLV 560-2: Make Piggable - Valve Replacement (6/2/2025 - 6/7/2025)

MLV 561-2: Make Piggable - Valve Replacement (6/8/2025 - 6/13/2025) MLV 562-2: Make Piggable - Valve Replacement (6/14/2025 - 6/18/2025) MLV 563-2: Make Piggable - Valve Replacement (6/19/2025 - 6/23/2025) MLV 564-2: Make Piggable - Valve Replacement (6/24/2025 - 6/28/2025) Sta 563 Joelton: Annual ESD Test (6/16/2025)

Sta 563 Joelton: Fuel Gas Filter Changeout (6/16/2025 - 6/19/2025) Sta 563 Joelton: Unit 2A - 4K/8K Inspection (6/16/2025)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2180

(465)

2425

(220)

2570

(75)

2350

(295)

MLV 106-3C to MLV 107-3: Anomaly Remediation (6/16/2025 - 7/11/2025)

MLV 107-4 to MLV 108-4: Anomaly Remediation (6/9/2025 - 6/15/2025) MLV 108-3 to MLV 109-3: Anomaly Remediation (5/28/2025 - 6/12/2025) MLV 108-4 to MLV 109-4: Anomaly Remediation (6/23/2025 - 6/29/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (6/13/2025 - 6/22/2025)

MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (6/2/2025 - 8/1/2025) MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (6/2/2025 - 8/1/2025) Sta 106 Clay City: Annual ESD Test & Maintenance (6/2/2025 - 6/6/2025)

Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025) Sta 871 Campbellsville: Annual ESD Test (6/24/2025 - 6/25/2025)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/10/2025 - 6/12/2025)

Station 114

(segment 114 BH)

920

370

(550)

370

(550)

370

(550)

370

(550)

MLV 112-3 to MLV 112-3A: Anomaly Remediation (6/16/2025 - 6/30/2025)

MLV 119-2BL to MLV 119-2A: Anomaly Remediation (M) (5/26/2025 - 6/30/2025) MLV 120-2 to MLV 121-2: Anomaly Remediation (5/26/2025 - 6/30/2025) MLV 121-2 to MLV 121-2R: Anomaly Remediation (5/26/2025 - 6/30/2025)

Station 200

(segment 200 BH)

1,765

1405

(360)

1405

(360)

1405

(360)

1405

(360)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025)

Station 204

(Segment 204 BH)

1,827

1737

(90)

1487

(340)

1,827

1402

(425)

MLV 210-3 to MLV 210-3A: Class Change Replacement (5/12/2025 - 6/13/2025)

MLV 213-2A to MLV 214-2: Special Permit Replacement (6/23/2025 - 8/30/2025) MLV 219-1 to MLV 214-1: Pig Runs - Maintenance (6/3/2025)

MLV 219-2 to MLV 214-2: Pig Runs - Maintenance (6/10/2025) Sta 200 Greenup: Annual ESD Test (6/24/2025 - 6/27/2025)

Sta 214: Annual ESD Test & Maintenance (6/9/2025 - 6/13/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

515

(25)

540

MLV 219-2 to MLV 220-2: Pig Runs - Maintenance (6/17/2025)

Station 237

(segment 237 FH)

1,017

1,017

930

(87)

Sta 237: Unit 3A - Unit 3A Device Tests (6/26/2025)

Station 245

(segment 245 FH)

997

975

(22)

975

(22)

785

(212)

997

Sta 241: Annual ESD Test (6/17/2025)

Sta 241: Point to Point and Trans Cals (6/18/2025)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)

Station 254

(segment 256 FH)

1,213

1045

(168)

960

(253)

1090

(123)

1080

(133)

MLV 254-1L to MLV 255-1: Anomaly Remediation (6/2/2025 - 6/21/2025)

MLV 255-1 to MLV 256-1: Anomaly Remediation (6/9/2025 - 6/14/2025) MLV 257-1 to MLV 258-1: Anomaly Remediation (6/23/2025 - 6/28/2025) MLV 258-1 to MLV 259-1: Anomaly Remediation (6/9/2025 - 7/19/2025) MLV 259-1 to MLV 260-1: Anomaly Remediation (6/2/2025 - 6/14/2025)

Station 261 Discharge East (segment 261 FH)

941

941

Tewksbury

Incremental Lateral (segment 285 FH)

(17)

MLV 270B-101.1 TO MLV 270B-103: Pig Runs - Cleaning / Gauge 6/3/25 (M)

(6/3/2025)

MLV 270B-101.1 TO MLV 270B-103: Pig Runs - MFL-C / Cal / IMU Combo 6/4/25 (M) (6/4/2025)

Station 307

(segment 307 BH)

1,148

1,148

Station 315

(segment 315 BH)

1,854

1,854

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

1,767

1,767

Station 405 HC Line (segment 299 FH)

803

803

Station 224

(segment 224 FH)

389

389

290

(99)

389

Sta 224: Annual ESD Test (6/10/2025 - 6/11/2025)

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

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

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

TSP/TSP Name: 1939164-TENNESSEE GAS PIPELINE	Critical: Y
Notice Type Desc (1): MAINTENANCE	Notice Type Desc (2): MAINTENANCE
Notice Eff Date/Time: 03/06/2025 4:08:15PM	Notice End Date/Time: 03/07/2025 9:00:00am
Post Date/Time: 3/6/2025 4:08:15 PM	Notice ID: 393949
Reqrd Rsp: 1	Rsp Date: 03/06/2025
Notice Stat Desc: INITIATE	Prior Notice:
Subject: TGP Outage Impact Report

Notice Text:

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(3/10)

Tuesday

(3/11)

Wednesday

(3/12)

Thursday

(3/13)

Friday

(3/14)

Saturday

(3/15)

Sunday

(3/16)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

586

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

456

(130)

Sta 409: Unit 1A - Maintenance (2/24/2025 - 3/20/2025)

MLV 406

(segment 406 BH)

477

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

167

(310)

MLV 407-2 to MLV 409-2: Anomaly Remediation (3/10/2025 - 3/22/2025)

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,035

750

(285)

750

(285)

750

(285)

750

(285)

750

(285)

750

(285)

1,035

MLV 14-2 to MLV 15-2: Anomaly Remediation (3/10/2025 - 3/15/2025)

Station 17

(segment 117 FH)

814

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

739

(75)

MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)

Station 25

(segment 125 FH)

772

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

767

(5)

MLV 18-3 to MLV 19-3: Anomaly Remediation (2/24/2025 - 3/29/2025) MLV 29-2 to MLV 30-2: Anomaly Remediation (3/13/2025 - 3/20/2025)

Station 40 South

(segment 132 FH)

770

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

560

(210)

Sta 32: Unit 7B - Compressor Overhaul (2/17/2025 - 3/17/2025) Sta 40: Unit 2C - Emergent Repair (2/7/2025 - TBD)

Carthage Lateral (segment 700 FH)

331

331

215

(116)

331

MLV 706-1 to MLV 700-1: Pig Run - Maintenance (M) (3/11/2025)

Station 47

(segment 143 FH)

1,201

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

1196

(5)

Sta 47: Unit 6C -Investigate Metal in Strainers (1/27/2025 - 3/10/2025)

Station 63

(segment 163 FH)

1,281

1,281

Station 823

(segment 823 BH)

711

711

Station 834

(segment 834 BH)

700

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

685

(15)

Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 3/21/2025) Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,667

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

1420

(247)

MLV 536-1 to MLV 537-1: Anomaly Remediation (3/14/2025 - 3/20/2025) MLV 537-1 to MLV 538-1: Anomaly Remediation (M) (3/11/2025 - 3/13/2025) Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,590

1550

(40)

1550

(40)

1550

(40)

1550

(40)

1550

(40)

1580

(10)

1580

(10)

Sta 555: Unit 4A - Compressor Overhaul (1/25/2025 - 3/18/2025) Sta 555: Unit 6A - Replace Power Cylinder 1L (3/1/2025 - 3/14/2025)

Station 860 North (Segment 860 BH)

1,887

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

1297

(590)

MLV 560-1 to MLV 561-1: Class Change (11/4/2024 - 3/17/2025)

MLV 564-2: Valve Repair (3/10/2025 - 3/17/2025) Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 -

6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,761

2630

(131)

2630

(131)

2630

(131)

2210

(551)

2691

(70)

2691

(70)

2691

(70)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation (2/24/2025 - 4/17/2025)

MLV 106-4 to MLV 107-4: PHMSA Immediate Anomaly Remediation (2/14/2025 - 3/12/2025)

MLV 876-2 to MLV 874-2: Pig Runs - Cleaning / Gauge 3/13/25 (3/13/2025) MLV 95-5 to MLV 96-5: Anomaly Remediation (3/3/2025 - 3/21/2025)

Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025) Sta 106: Unit 1D - 8k hr Maintenance (3/10/2025 - 3/13/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025) Sta 871: Unit 1A - 1Q Engine Inspection (3/12/2025)

Sta 871: Unit 2A - 1Q Engine Inspection (3/11/2025)

Station 114

(segment 114 BH)

953

953

Station 204

(Segment 204 BH)

1,894

1834

(60)

1739

(155)

1834

(60)

1834

(60)

1834

(60)

1868

(26)

1868

(26)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 - 4/1/2025)

MLV 214-3 to MLV 209-3: Pig Runs - EMAT 3/11/25 (3/11/2025)

Sta 200: Unit 6A - Oil Pump (3/10/2025 - 3/14/2025)

Sta 204: Unit 8A - Bore Compressor Cylinders (2/17/2025 - 3/20/2025) Sta 209: Unit 6A - Punch Carbon (3/10/2025 - 3/14/2025)

Station 237

(segment 237 FH)

1,077

960

(117)

960

(117)

960

(117)

960

(117)

960

(117)

1,077

Sta 237: Unit 3A - Compressor Inspection (3/4/2025 - 3/14/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station / Seg

Est Nominal

Operating Capacity (Thousand Dth)

Monday

(3/10)

Tuesday

(3/11)

Wednesday

(3/12)

Thursday

(3/13)

Friday

(3/14)

Saturday

(3/15)

Sunday

(3/16)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 245

(segment 245 FH)

1,057

1,057

Station 254

(segment 256 FH)

1,284

1265

(19)

1265

(19)

1265

(19)

1265

(19)

1,284

Sta 254: Unit 1A - Crankcase Inspection (3/10/2025 - 3/11/2025) Sta 254: Unit 2A - Crankcase Inspection (3/12/2025 - 3/13/2025)

Station 261 Discharge East (segment 261 FH)

1,051

1,051

Station 266A (segment 282 FH)

406

406

255

(151)

255

(151)

406

MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - Cleaning / Gauge 3/11/25 (M) (3/11/2025)

MLV 266C-101.1 TO MLV 266C-102A: Pig Runs - MFL-A/Cal/IMU Combo 3/12/25 (M) (3/12/2025)

Station 307

(segment 307 BH)

1,221

1,221

Station 315

(segment 315 BH)

1,917

1,917

Station 321

(segment 321 FH)

2,216

2166

(50)

2166

(50)

2095

(121)

2166

(50)

2166

(50)

2166

(50)

2166

(50)

Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025) Sta 321: Unit 7B - Water Wash (3/12/2025)

MLV 324

(segment 324 FH)

1,879

1,879

Station 405 HC Line (segment 299 FH)

827

827

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 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/3 - 3/9)

Week 2

(3/10 - 3/16)

Week 3

(3/17 - 3/23)

Week 4

(3/24 - 3/30)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

586

456

(130)

586

Sta 409: Unit 1A - Maintenance (2/24/2025 - 3/20/2025)

MLV 406

(segment 406 BH)

477

167

(310)

457

(20)

MLV 401-1 to MLV 402-1: Anomaly Remediation (3/23/2025 - 3/28/2025)

MLV 402-1 to MLV 403-1: Anomaly Remediation (3/17/2025 - 3/22/2025) MLV 407-2 to MLV 409-2: Anomaly Remediation (3/10/2025 - 3/22/2025)

Station 1

(segment 101 BH)

438

438

Station 9

(segment 109 FH)

1,035

1,035

Station 17

(segment 117 FH)

814

739

(75)

739

(75)

MLV 17-3 to MLV 18-3: Emergent Repair (1/22/2025 - TBD)

Station 25

(segment 125 FH)

772

767

(5)

707

(65)

MLV 18-3 to MLV 19-3: Anomaly Remediation (2/24/2025 - 3/29/2025)

MLV 25-3 to MLV 32-3: Pig Run - Maintenance (3/27/2025)

MLV 29-2 to MLV 30-2: Anomaly Remediation (3/13/2025 - 3/20/2025)

Station 40 South

(segment 132 FH)

770

560

(210)

570

(200)

Sta 32: Unit 7B - Compressor Overhaul (2/17/2025 - 3/17/2025)

Sta 40: Unit 2C - Emergent Repair (2/7/2025 - TBD)

Station 47

(segment 143 FH)

1,201

1196

(5)

1196

(5)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025)

MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 3/17/2025) MLV 50-1 to MLV 51-1: Anomaly Remediation (3/1/2025 - 3/17/2025) MLV 56-4 to MLV 57-4: Pressure Test (3/5/2025 - 4/19/2025)

Sta 63: Unit 2D - Alignment (3/17/2025 - 3/18/2025)

Station 63

(segment 163 FH)

1,281

1,281

Station 823

(segment 823 BH)

711

711

Station 834

(segment 834 BH)

700

685

(15)

685

(15)

Sta 834: Unit 5A - Cracked Main Bearing (11/11/2024 - 3/21/2025)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

Station 847

(segment 847 BH)

305

305

199

(106)

MLV 856-1 to MLV 851-1: Pig Runs - Cleaning / Gauge 3/24/25 (3/24/2025)

MLV 856-1 to MLV 851-1: Pig Runs - EMAT 3/27/25 (3/27/2025) MLV 856-1 to MLV 851-1: Pig Runs - MFL-C 3/25/25 (3/25/2025)

MLV 548

(segment 542 BH)

1,667

1420

(247)

1020

(647)

MLV 535-1 to MLV 536-1: Anomaly Remediation (3/23/2025 - 4/5/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,590

1580

(10)

1570

(20)

Sta 555: Unit 4A - Compressor Overhaul (1/25/2025 - 3/18/2025)

Sta 555: Unit 5A - Torque Anchor Bolts & Crankshaft Deflections (3/24/2025 - 3/28/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

March 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/3 - 3/9)

Week 2

(3/10 - 3/16)

Week 3

(3/17 - 3/23)

Week 4

(3/24 - 3/30)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,887

1297

(590)

1100

(787)

MLV 560-1 to MLV 561-1: Class Change (11/4/2024 - 3/17/2025)

MLV 560-3 TO MLV 559-3: Pig Runs - Cleaning / Gauge 3/18/25 (3/18/2025) MLV 560-3 TO MLV 559-3: Pig Runs - MFL-A 3/19/25 (3/19/2025)

MLV 564-2: Valve Repair (3/10/2025 - 3/17/2025)

Sta 563: Quarterly Safety Checks (3/24/2025 - 3/27/2025) Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,761

2210

(551)

2300

(461)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation

(2/24/2025 - 4/17/2025)

MLV 876-2 to MLV 874-2: Pig Runs - AFD Combo 3/18/25 (3/18/2025) MLV 876-2 to MLV 874-2: Pig Runs - EMAT 3/20/25 (3/20/2025)

MLV 96-4 to MLV 106-4: Pig Runs - Cleaning / Gauge 3/25/25 (3/25/2025) Sta 106: Unit 11B - Exhaust Manifold (3/17/2025 - 3/21/2025)

Sta 106: Unit 1C - Turbocharger Replacement (1/13/2025 - 3/17/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025)

Station 114

(segment 114 BH)

953

953

Station 204

(Segment 204 BH)

1,894

1831

(63)

1841

(53)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 -

4/1/2025)

Sta 204: Unit 8A - Bore Compressor Cylinders (2/17/2025 - 3/20/2025) Sta 209: Unit 7A - Repack #1 Turbo Exhaust outlet flange (3/17/2025 - 3/21/2025)

Sta 209: Unit 8A - Punch Carbon (3/24/2025 - 3/28/2025)

Station 245

(segment 245 FH)

1,057

1025

(32)

1,057

Sta 241: Unit 1B - Compressor Valves (3/18/2025)

Station 254

(segment 256 FH)

1,284

1265

(19)

1,284

Sta 254: Unit 5A - Crankcase Inspection (3/17/2025 - 3/19/2025)

Station 261 Discharge East (segment 261 FH)

1,051

1,051

Station 266A (segment 282 FH)

406

225

(181)

406

MLV 266A-101L TO MLV 266A-101R: Pig Runs - Cleaning / Gauge 3/18/25 (M)

(3/18/2025)

MLV 266A-101L TO MLV 266A-101R: Pig Runs - MFL-A / Cal / IMU Combo 3/19/25 (M) (3/19/2025)

Fitchburg Lat to Gloucester (segment 268 FH)

202

202

120

(82)

MLV 267-2 TO MLV 273-2A: Pig Runs - Cleaning / Gauge 3/25/25 (M)

(3/25/2025)

MLV 267-2 TO MLV 273-2A: Pig Runs - MFL-A / Cal / IMU Combo 4/2/25 (M) (3/26/2025)

Station 307

(segment 307 BH)

1,221

1190

(31)

1,221

Sta 219: Unit 1B - Compressor Packing (3/17/2025 - 3/21/2025)

Station 315

(segment 315 BH)

1,917

1,917

Station 321

(segment 321 FH)

2,216

2166

(50)

2166

(50)

Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025)

MLV 324

(segment 324 FH)

1,879

1,879

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	March 2025 (updated 03/06/25)					-Minor impact restrictions may be necessary depending on flow conditions
						-Little to no impact, though minor outages may cause incremental reductions
Station # / Lateral	Est Nominal Operating Capacity (Thousand Dth)	Week 1 (3/3 - 3/9)	Week 2 (3/10 - 3/16)	Week 3 (3/17 - 3/23)	Week 4 (3/24 - 3/30)	Primary Outage(s)
Station # / Lateral	Est Nominal Operating Capacity (Thousand Dth)	Est. Operational Capacity (Operational Impact) - Thousand Dth				Primary Outage(s)
Station 405 HC Line (segment 299 FH)	827			827	827
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 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492 FH)

274

134

(140)

274

MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/1/25 (4/1/2025)

MLV 409A-901 to MLV 409A-902: Pig Run - Cleaning 4/2/25 (4/2/2025) MLV 409A-901 to MLV 409A-902: Pig Run - MFL-A 4/3/25 (4/3/2025)

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

255

(145)

400

Sta 1 Agua Dulce: Annual ESD Test (4/2/2025)

Station 9

(segment 109 FH)

980

980

450

(530)

840

(140)

840

(140)

MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/15/2025 - 5/22/2025)

Station 25

(segment 125 FH)

714

714

709

(5)

709

(5)

MLV 25-2 to MLV 26-2: Anomaly Remediation (4/15/2025 - 4/30/2025)

Station 47

(segment 143 FH)

1,184

1084

(100)

1084

(100)

999

(185)

1164

(20)

MLV 40-3 to MLV 47-3: Pig Run - EMAT 4/16/25 (4/16/2025)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 47-3D TO MLV 53-3: Pig Runs - MDS 4/17/25 (4/17/2025)

MLV 56-4 to MLV 57-4: Pressure Test (3/5/2025 - 4/19/2025)

Sta 42-2BL to Sta 47-2S: Pig Runs - Cleaning / Gauge 4/21 - 4/23 (4/21/2025 - 4/23/2025)

Sta 42-2BL to Sta 47-2S: Pig Runs - TDW MDS 4/24 (4/24/2025)

Sta 47: Unit 1E - Annual Turbine Maintenance (4/14/2025 - 4/18/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

1,233

845

(388)

845

(388)

MLV 71-3S to MLV 63-3D: Pig Runs - Caliper / IMU 4/17/25 (4/17/2025)

MLV 71-3S to MLV 63-3D: Pig Runs - Cleaning / Gauge 4/15/25 (4/15/2025) MLV 71-3S to MLV 63-3D: Pig Runs - EMAT 4/24/25 (4/24/2025)

MLV 71-3S to MLV 63-3D: Pig Runs - MFL-C 4/22/25 (4/22/2025)

Station 823

(segment 823 BH)

686

686

215

(471)

686

Sta 827 to Sta 823: Pig Run - Maintenance (M) (4/8/2025)

Sta 834 to Sta 827: Maintenance Pig (M) (4/8/2025)

Station 834

(segment 834 BH)

679

664

(15)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,597

1350

(247)

1355

(242)

1,597

MLV 534-1 to MLV 535-1: Anomaly Remediation (4/7/2025 - 4/12/2025)

MLV 535-1 to MLV 536-1: Anomaly Remediation (3/23/2025 - 4/5/2025) Sta 542: Unit 3A - Overhaul (2/12/2024 - 3/31/2025)

Sta 546: Unit 1B - Turbine Exchange (2/24/2025 - 4/11/2025)

Station 860

(segment 548 BH)

1,516

1,516

Station 860 North (Segment 860 BH)

1,793

1693

(100)

1693

(100)

1693

(100)

1693

(100)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Sta 860: Unit 1B - Replace Lubrication System & Eletctronic Bearing System

(4/1/2025 - 4/10/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2184

(461)

2630

(15)

2630

(15)

2605

(40)

MLV 104-1 to MLV 105-1BR: PHMSA Immediate Anomaly Remediation

(2/24/2025 - 4/17/2025)

MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 90-4 to MLV 91-4: Anomaly Remediation (3/31/2025 - 4/4/2025) MLV 96-4 to MLV 106-4: Pig Runs - EMAT 4/1/25 (4/1/2025)

Sta 87: Unit 5C - Flywheel Bearings (3/10/2025 - 4/4/2025)

Station 114

(segment 114 BH)

920

920

655

(265)

370

(550)

370

(550)

MLV 114-2A to MLV 115-2: Anomaly Remediation (4/14/2025 - 4/25/2025)

MLV 121-1 to MLV 118-1: Pig Runs - AFD Combo 4/8/25 (M) (4/8/2025)

MLV 121-1 to MLV 118-1: Pig Runs - Cleaning / Gauge 4/7/25 (M) (4/7/2025) MLV 121-1 to MLV 118-1: Pig Runs - EMAT 4/10/25 (M) (4/10/2025)

Sta 114: Unit 1D - 4K Solar Turbine Inspection (4/14/2025 - 4/17/2025)

Station 200

(segment 200 BH)

1,765

1,765

1405

(360)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025)

Station 204

(Segment 204 BH)

1,827

1537

(290)

1537

(290)

1707

(120)

1664

(163)

MLV 200-1 to MLV 201-1: Immediate Anomaly Remediation (1/1/2025 -

4/1/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Residual 4/22/25 (M) (4/22/2025) MLV 219-4 to MLV 214-4: Pig Runs - Cleaning / Gauge 4/1/25 (4/1/2025) MLV 219-4 to MLV 214-4: Pig Runs - EMAT 4/8/25 (4/8/2025)

MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 4/3/25 (4/3/2025)

Sta 200: Unit 10A - Replacing Engine Chocks and Alignment (3/31/2025 - 4/4/2025)

Sta 204: Unit 10A - Install Aftercooler (3/31/2025 - 4/3/2025) Sta 209: Unit 10A - Punch Carbon (4/7/2025 - 4/11/2025)

Sta 209: Unit 13A - Crankcase Inspection (4/14/2025 - 4/18/2025) Sta 209: Unit 9A - Punch Carbon (3/31/2025 - 4/4/2025)

Station 245

(segment 245 FH)

997

997

N Hampton Lat (segment 280 FH)

(15)

Sta 260A: Unit 1A - Gear Box Maintenance Activity (4/14/2025 - 4/16/2025)

Station 261 Discharge East (segment 261 FH)

941

941

795

(146)

941

Sta 261: Unit 1C - 4K Maintenance Activity and Water Wash (4/7/2025 -

4/8/2025)

Sta 261: Unit 5A - 4K Maintenance Activity and Water Wash (4/8/2025 - 4/9/2025)

Station 266A (segment 282 FH)

371

371

150

(221)

371

Sta 266A: Units 1B - Turbine Exchange (M) (4/7/2025 - 4/12/2025)

Fitchburg Lat to Gloucester (segment 268 FH)

202

185

(17)

185

(17)

180

(22)

185

(17)

MLV 267-1A to MLV 268-1: Anomaly Remediation (4/14/2025 - 4/19/2025)

MLV 267-1R to MLV 267-1A: Anomaly Remediation (4/3/2025 - 4/15/2025) MLV 270-1A to MLV 270C-101.1R: Anomaly Remediation (4/21/2025 - 4/26/2025)

Station 307

(segment 307 BH)

1,150

1,150

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

April 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(3/31 - 4/6)

Week 2

(4/7 - 4/13)

Week 3

(4/14 - 4/20)

Week 4

(4/21 - 4/27)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1,579

1570

(9)

1,579

MLV 316-1 to MLV 317-1: Hot Tap New Meter Station (Meter Hemlock PIN

412822) (M) (4/15/2025 - 4/16/2025)

Station 321

(segment 321 FH)

2,102

2052

(50)

1660

(442)

1855

(247)

2,102

MLV 319-2 TO MLV 321-2: Pig Runs - Caliper & MFL-A Combo 4/9/25 (M)

(4/9/2025)

MLV 319-2 TO MLV 321-2: Pig Runs - Cleaning / Gauge 4/7/25 (M) (4/7/2025) Sta 321: Unit 5B - Emergent Repair (2/20/2025 - 4/11/2025)

Sta 323: Electric Company Maintenance (4/14/2025 - 4/16/2025)

MLV 324

(segment 324 FH)

1,767

1,767

MLV 336 East

(segment 336 FH)

153

(153)

153

MLV 342-1 to MLV 343-1: Anomaly Remediation (3/31/2025 - 4/5/2025)

MLV 344-1 to MLV 345-1: Anomaly Remediation (4/7/2025 - 4/12/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 350-1 to MLV 351-1: Anomaly Remediation (4/14/2025 - 4/19/2025)

Station 405 HC Line (segment 299 FH)

803

803

330

(473)

Sta 313 to Sta 237: Pig Run - Maintenance / Cleaning (M) (4/21/2025)

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

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

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

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 FH)

980

840

(140)

840

(140)

840

(140)

840

(140)

980

MLV 1-1BL to MLV 3-1: Anomaly Remediation (4/15/2025 - 5/22/2025)

Station 25

(segment 125 FH)

714

609

(105)

609

(105)

609

(105)

559

(155)

559

(155)

MLV 17-1D to MLV 20-1A: Anomaly Remediation (5/20/2025 - 6/7/2025)

MLV 20-1A to MLV 24-1A: Anomaly Remediation (4/29/2025 - 5/17/2025) MLV 24-2 to MLV 25-2S: Pig Run - Cleaning / Gauge 4/30 to 5/3 (4/30/2025 - 5/3/2025)

MLV 24-2 to MLV 25-2S: Pig Run - Combo ILI 5/6 (5/6/2025)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (5/19/2025 - 6/6/2025)

MLV 25-2 to MLV 26-2: Anomaly Remediation (4/15/2025 - 4/30/2025)

MLV 25-3D to MLV 27-3: Anomaly Remediation (5/1/2025 - 5/30/2025)

Station 40 South

(segment 132 FH)

912

912

907

(5)

637

(275)

747

(165)

767

(145)

MLV 32-2D TO MLV 40-2S: Pig Runs - Maintenance (5/20/2025)

MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (5/15/2025) MLV 36-1 to MLV 36-1A: Anomaly Remediation (6/1/2025 - 6/30/2025)

MLV 36-1TX to MLV 36-1LA: Pig Run - Maintenance (5/6/2025)

MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025)

Station 47

(segment 143 FH)

1,181

1161

(20)

1161

(20)

1171

(10)

1171

(10)

976

(205)

MLV 40-1D to MLV 47-1S: Pig Runs - Cleaning / Gauge 4/28 - 4/30 (M)

(4/28/2025 - 4/30/2025)

MLV 40-1D to MLV 47-1S: Pig Runs - TDW MDS 5/1 (M) (5/1/2025)

MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - Cleaning & Gauge 5/28 - 5/31 (M) (5/27/2025 - 5/29/2025)

MLV 54-2D TO MLV 63-2S: Pig Runs - Cleaning / Gauge 5/06/25 (5/6/2025) MLV 54-2D TO MLV 63-2S: Pig Runs - MFL-A 5/08/25 (5/8/2025)

Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

948

(285)

910

(323)

1,233

MLV 63-2D to MLV 69-2: Pig Runs - Caliper / UMU 5/1/25 (5/1/2025)

MLV 63-2D to MLV 69-2: Pig Runs - Cleaning / Gauge 4/29/25 (4/29/2025) MLV 63-2D to MLV 69-2: Pig Runs - EMAT 5/8/25 (5/8/2025)

MLV 63-2D to MLV 69-2: Pig Runs - MFL-C 5/6/25 (5/6/2025)

Sta 71 Middleton: Annual ESD Test (5/7/2025 - 5/8/2025) Sta 79 Lobelville: Annual ESD Test (5/6/2025)

Station 823

(segment 823 BH)

686

686

414

(272)

686

Sta. 823 (Kinder): Annual ESD Test (5/13/2025 - 5/15/2025)

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

Station 847

(segment 847 BH)

284

220

(64)

220

(64)

210

(74)

210

(74)

284

MLV 838-1 TO MLV 834-1: Pig Runs - Cleaning / Gauge 4/28 - 5/1 (M)

(4/28/2025 - 5/1/2025)

MLV 843-1 TO MLV 847-1: Pig Runs - AFD 5/20/25 (5/20/2025) MLV 843-1 TO MLV 847-1: Pig Runs - Caliper 5/15/25 (5/15/2025)

MLV 843-1 TO MLV 847-1: Pig Runs - Cleaning / Gauge 5/13/25 (5/13/2025) MLV 843-1 TO MLV 847-1: Pig Runs - EMAT 5/22/25 (5/22/2025)

MLV 548

(segment 542 BH)

1,597

1,597

1585

(12)

1585

(12)

1370

(227)

1370

(227)

MLV 536-1 to MLV 537-1: Anomaly Remediation (5/6/2025 - 5/19/2025)

MLV 540-1 to MLV 541-1: Anomaly Remediation (5/20/2025 - 6/7/2025)

Station 860

(segment 548 BH)

1,516

1,516

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,793

1310

(483)

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 565-2 TO MLV 559-2: Pig Runs - AFD 2/28/25 (5/2/2025)

MLV 565-2 TO MLV 559-2: Pig Runs - Cleaning / Gauge 4/28/25 (4/28/2025) MLV 565-2 TO MLV 559-2: Pig Runs - CLP 4/30/25 (4/30/2025)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2605

(40)

2605

(40)

2620

(25)

2630

(15)

2175

(470)

MLV 107-3 to MLV 108-3: Anomaly Remediation (5/12/2025 - 5/27/2025)

MLV 108-3 to MLV 109-3: Anomaly Remediation (5/28/2025 - 6/12/2025) MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (4/21/2025 - 5/9/2025)

MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (4/21/2025 - 5/9/2025)

Sta 110 Morehead: Annual ESD Test & Substation Inspection (5/27/2025 - 5/30/2025)

Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025) Sta 871: Unit 1A - Engine Inspection (5/13/2025)

Sta 871: Unit 2A - Engine Inspection (5/5/2025)

Sta 871: Unit 2A -Compressor Unloaders (5/5/2025 - 5/9/2025) Sta 96 Campbellsville: Annual ESD Test (5/28/2025 - 5/29/2025)

Sta 96 Campbellsville: Annual Substation Inspection (5/28/2025 - 5/30/2025)

Station 114

(segment 114 BH)

920

370

(550)

370

(550)

370

(550)

370

(550)

370

(550)

MLV 115-3 to MLV 116-3: Anomaly Remediation (M) (4/25/2025 - 5/9/2025)

MLV 120-2 to MLV 121-2: Anomaly Remediation (5/26/2025 - 6/30/2025) MLV 121-2 to MLV 121-2R: Anomaly Remediation (5/26/2025 - 6/30/2025)

Station 200

(segment 200 BH)

1,765

1405

(360)

1295

(470)

1235

(530)

1235

(530)

1235

(530)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025) MLV 111-3B to MLV 112-3: Make Piggable (5/12/2025 - 5/30/2025) MLV 200-2 to MLV 110-4: Pig Re-Runs - EMAT 5/6/25 (5/6/2025)

Station 204

(Segment 204 BH)

1,827

1741

(86)

1382

(445)

1467

(360)

1727

(100)

1717

(110)

MLV 204-2 to MLV 200-2: Pig Runs - EMAT 4/29/25 (M) (4/29/2025)

Sta 204: Annual ESD Test & Maintenance (5/5/2025 - 5/9/2025)

Sta 209 Cambridge: Annual ESD Test & Maintenance (5/12/2025 - 5/16/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

535

(5)

540

Sta 219: Unit 13A - Mounting Valve Operators / Testing (5/7/2025 - 5/9/2025)

Sta 219: Unit 13A - Unit Valve Replacement (5/5/2025 - 5/6/2025)

Station 230C (segment 296 FH)

743

743

390

(353)

743

MLV 230B-201 to MLV 230B-207: Pig Run - Maintenance Cleaning 5/20 - 5/22

(5/20/2025 - 5/22/2025)

Station 237

(segment 237 FH)

1,017

1,017

905

(112)

1,017

Sta 233: Annual ESD Test (5/20/2025)

Sta 233: Point to Point and Trans Cals (5/21/2025)

Station 245

(segment 245 FH)

997

997

730

(267)

730

(267)

855

(142)

975

(22)

MLV 245-2 TO MLV 249-2: Pig Runs - Cleaning / Gauge 5/6/25 (M) (5/6/2025)

MLV 245-2 TO MLV 249-2: Pig Runs - MFL-A / Cal / IMU Combo 5/7/25 (M) (5/7/2025)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)

Sta 245 West Winfield: Annual ESD Test (5/13/2025 - 5/14/2025) Sta 245: Unit 1C - Water Wash & Borescope (5/12/2025 - 5/23/2025) Sta 245-1 to MLV 249-1: Pig Run - Maintenance (5/13/2025)

MLV 256 West

(segment 249 FH)

1,213

1060

(153)

1140

(73)

1,213

Sta 249 Carlisle: Filter Inspection (4/28/2025 - 4/29/2025)

Sta 249: Unit 1A - Crankcase Inspection (4/28/2025 - 5/2/2025) Sta 249: Unit 2A - Engine Maintenance (5/5/2025 - 5/9/2025)

Station 254

(segment 256 FH)

1,213

893

(320)

1,213

835

(378)

1,213

MLV 254-1 to MLV 261-1: Pig Run - Maintenance (5/20/2025)

MLV 254-2 to MLV 261-2: Pig Run - Maintenance (5/21/2025) MLV 254-3 to MLV 258-3: Pig Run - Maintenance (5/22/2025) Sta 254 Nassau: Annual ESD Test (5/1/2025)

Sta 254 Nassau: Filter Inspection (4/30/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

May 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(4/28 - 5/4)

Week 2

(5/5 - 5/11)

Week 3

(5/12 - 5/18)

Week 4

(5/19 - 5/25)

Week 5

(5/26 - 6/1)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261 FH)

941

941

Fitchburg Lat to Gloucester (segment 268 FH)

202

202

185

(17)

185

(17)

185

(17)

MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (5/12/2025 -

5/31/2025)

Station 307

(segment 307 BH)

1,149

1,149

925

(224)

1,149

925

(224)

Sta 303A: Annual ESD Test & Maintenance (5/26/2025 - 5/30/2025)

Sta 303A: Unit 1A - Protective Device Checks (5/26/2025 - 5/30/2025) Sta 303A: Unit 1A - Water Wash (5/13/2025 - 5/14/2025)

Station 315

(segment 315 BH)

1,854

1,854

1430

(424)

1,854

Sta 315 Wellsboro: Annual ESD Test (5/5/2025 - 5/9/2025)

Sta 315 Wellsboro: Station Blowdown Silencer (5/5/2025 - 5/9/2025)

Station 321

(segment 321 FH)

2,102

2000

(102)

2,102

Sta 321: Unit 1C - Turbine Inspection (4/29/2025)

Sta 321: Unit 2C - Turbine Inspection (4/28/2025)

Sta 321: Units 5B, 6B & 7B - Turbine Inspection (4/30/2025)

MLV 324

(segment 324 FH)

1,767

1,767

Station 405 HC Line (segment 299 FH)

803

803

Station 224

(segment 224 FH)

389

389

220

(169)

389

Sta 229: Annual ESD Test & Maintenance (5/14/2025 - 5/15/2025)

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

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490 FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 FH)

980

980

650

(330)

650

(330)

980

MLV 13-3 to MLV 17-3: Pig Run - Cleaning 6/10/25 (M) (6/10/2025)

Station 25

(segment 125 FH)

714

709

(5)

714

MLV 17-1D to MLV 20-1A: Anomaly Remediation (5/20/2025 - 6/7/2025)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (5/19/2025 - 6/6/2025)

Station 40 South

(segment 132 FH)

912

767

(145)

767

(145)

747

(165)

747

(165)

MLV 36-1 to MLV 36-1A: Anomaly Remediation (6/1/2025 - 6/30/2025)

MLV 39-1 to MLV 40-1S: Anomaly Remediation (6/1/2025 - 6/21/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (6/22/2025 - 7/15/2025)

Station 47

(segment 143 FH)

1,176

841

(335)

1101

(75)

1166

(10)

1171

(5)

MLV 40-4D to MLV 47-4S: Pig Runs - Maintenance (M) (6/10/2025)

MLV 47-1A to MLV 48-1: Class Change (6/2/2025 - 11/30/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3D TO MLV 53-3CR: Pig Runs - TDW MDS 4/17 (M) (6/3/2025)

Sta 47: Scrubber Filter Separator Cleaning & Inspection (6/2/2025 - 6/6/2025) Sta 63: Unit 1D - Overhaul & Geislinger Coupling Inspection (4/1/2025 - 6/20/2025)

Station 63

(segment 163 FH)

1,233

1,233

945

(288)

1155

(78)

MLV 63-2D to MLV 69-2: Pig Runs - Cleaning / Gauge 6/17/25 (6/17/2025)

MLV 63-2D to MLV 69-2: Pig Runs - MDS 6/19/25 (6/19/2025) MLV 71-2D to MLV 79-2S: Pig Runs - EMAT 6/24/25 (6/24/2025)

Station 823

(segment 823 BH)

686

540

(146)

686

Station 827 (Alexandria): Annual ESD and Maintenance (6/2/2025 - 6/5/2025)

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

670

(9)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 11/3/2025)

MLV 548

(segment 542 BH)

1,597

1370

(227)

1,597

MLV 540-1 to MLV 541-1: Anomaly Remediation (5/20/2025 - 6/7/2025)

Station 860

(segment 548 BH)

1,516

1,516

1210

(306)

1,516

MLV 550-2 TO MLV 546-2: Pig Runs - AFD 6/18/25 (6/18/2025)

MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning / Gauge 6/16/25 (6/16/2025) MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 6/20/25 (6/20/2025)

Station 860 North (Segment 860 BH)

1,793

940

(853)

1360

(433)

1185

(608)

1165

(628)

MLV 560-2: Make Piggable - Valve Replacement (6/2/2025 - 6/7/2025)

Sta 563 Joelton: Fuel Gas Filter Changeout (6/16/2025 - 6/19/2025) Sta 563 Joelton: Unit 2A - 4K/8K Inspection (6/16/2025)

Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - After Cooler/jacket Water leaking into crankcase (6/17/2024 - 6/28/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2180

(465)

2425

(220)

2570

(75)

2350

(295)

MLV 106-3C to MLV 107-3: Anomaly Remediation (6/16/2025 - 7/11/2025)

Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/13/2025) Sta 871 Campbellsville: Annual ESD Test (6/24/2025 - 6/25/2025)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/10/2025 - 6/12/2025)

Station 114

(segment 114 BH)

920

370

(550)

370

(550)

370

(550)

370

(550)

MLV 112-3 to MLV 112-3A: Anomaly Remediation (6/16/2025 - 6/30/2025)

Station 200

(segment 200 BH)

1,765

1405

(360)

1405

(360)

1405

(360)

1405

(360)

MLV 110-3 to MLV 111-3: Anomaly Remediation (4/26/2025 - 6/27/2025)

MLV 111-3 to MLV 111-3A: Anomaly Remediation (4/26/2025 - 6/27/2025)

Station 204

(Segment 204 BH)

1,827

1737

(90)

1487

(340)

1,827

1402

(425)

MLV 210-3 to MLV 210-3A: Class Change Replacement (5/12/2025 - 6/13/2025)

MLV 213-2A to MLV 214-2: Special Permit Replacement (6/23/2025 - 8/30/2025) MLV 219-1 to MLV 214-1: Pig Runs - Maintenance (6/3/2025)

MLV 219-2 to MLV 214-2: Pig Runs - Maintenance (6/10/2025) Sta 200 Greenup: Annual ESD Test (6/24/2025 - 6/27/2025)

Sta 214: Annual ESD Test & Maintenance (6/9/2025 - 6/13/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

515

(25)

540

MLV 219-2 to MLV 220-2: Pig Runs - Maintenance (6/17/2025)

Station 237

(segment 237 FH)

1,017

1,017

930

(87)

Sta 237: Unit 3A - Unit 3A Device Tests (6/26/2025)

Station 245

(segment 245 FH)

997

975

(22)

975

(22)

785

(212)

997

Sta 241: Annual ESD Test (6/17/2025)

Sta 241: Point to Point and Trans Cals (6/18/2025)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 6/21/2025)

Station 254

(segment 256 FH)

1,213

1045

(168)

960

(253)

1090

(123)

1080

(133)

MLV 254-1L to MLV 255-1: Anomaly Remediation (6/2/2025 - 6/21/2025)

Station 261 Discharge East (segment 261 FH)

941

941

Tewksbury

Incremental Lateral (segment 285 FH)

(17)

MLV 270B-101.1 TO MLV 270B-103: Pig Runs - Cleaning / Gauge 6/3/25 (M)

(6/3/2025)

MLV 270B-101.1 TO MLV 270B-103: Pig Runs - MFL-C / Cal / IMU Combo 6/4/25 (M) (6/4/2025)

Station 307

(segment 307 BH)

1,148

1,148

Station 315

(segment 315 BH)

1,854

1,854

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 03/06/25)

-Minor impact restrictions may be necessary depending on flow conditions

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

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(6/2 - 6/8)

Week 2

(6/9 - 6/15)

Week 3

(6/16 - 6/22)

Week 4

(6/23 - 6/29)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

1,767

1,767

Station 405 HC Line (segment 299 FH)

803

803

Station 224

(segment 224 FH)

389

389

290

(99)

389

Sta 224: Annual ESD Test (6/10/2025 - 6/11/2025)

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

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

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

Tennessee Gas Pipeline Notice 393949

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