Tennessee Gas Pipeline Notice 394820

Source Link

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: 06/05/2025 3:36:58PM	Notice End Date/Time: 06/06/2025 9:00:00am
Post Date/Time: 6/5/2025 3:36:58 PM	Notice ID: 394820
Reqrd Rsp: 1	Rsp Date: 06/05/2025
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 06/05/25)

-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

(6/9)

Tuesday

(6/10)

Wednesday

(6/11)

Thursday

(6/12)

Friday

(6/13)

Saturday

(6/14)

Sunday

(6/15)

Primary Outage(s) that may Impact Throughput

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 BH)

1,028

855

(173)

630

(398)

855

(173)

630

(398)

855

(173)

855

(173)

855

(173)

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 - Gauge 6/12/25 (M) (6/12/2025)

MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025)

Station 17

(segment 117 FH)

758

740

(18)

740

(18)

740

(18)

740

(18)

740

(18)

758

MLV 20-1BR to MLV 24-1A: Anomaly Remediation (5/26/2025 - 6/13/2025)

Station 25

(segment 125 FH)

714

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

MLV 25-2 to MLV 26-2: MLV Replacement (6/7/2025 - 6/16/2025)

Station 40 South

(segment 132 FH)

912

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/21/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Station 47

(segment 143 FH)

1,176

1091

(85)

721

(455)

1091

(85)

1171

(5)

1171

(5)

1171

(5)

1171

(5)

MLV 40-1D to MLV 47-1S: Pig Runs - Cleaning / Gauge 6/5 - 6/10 (M) (6/5/2025

- 6/10/2025)

MLV 40-1D to MLV 47-1S: Pig Runs - TDW MDS 6/11 (M) (6/11/2025)

MLV 40-4D to MLV 47-4S: Pig Runs - Maintenance (M) (6/10/2025) MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025)

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 - 10/31/2025) MLV 62-3 to MLV 63-3S: Shallow Pipe Lowering (6/2/2025 - 6/13/2025)

Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025)

Station 63

(segment 163 FH)

1,233

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1,233

MLV 81-1 to MLV 82-1: Anomaly Remediation (6/2/2025 - 6/14/2025) MLV 83-1 to MLV 83-1a: Anomaly Remediation (6/2/2025 - 6/14/2025)

Station 823

(segment 823 BH)

686

686

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

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

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 534: Unit 7A - Startup Sequence (5/20/2025 - 6/27/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

MLV 556-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 557-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 558-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)

Sta 550: Unit 4A - Turbocharger Exchange (6/2/2025 - 6/13/2025)

Station 860 North (Segment 860 BH)

1,793

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 - 8/4/2025)

MLV 560-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 561-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 562-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 563-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 564-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) Sta 860: Force Majeure (8/18/2023 - TBD)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2195

(450)

1915

(730)

1915

(730)

1915

(730)

2565

(80)

2575

(70)

2575

(70)

MLV 106-3C to MLV 107-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 107-3 to MLV 108-3: Anomaly Remediation (6/2/2025 - 6/21/2025)

MLV 96-2 to MLV 99-2: PHMSA Immediate Anomaly Remediation (5/22/2025 - 6/13/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/20/2025)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/10/2025 - 6/12/2025) Sta 96 Campbellsville: Annual ESD Test (6/9/2025 - 6/12/2025)

Sta 96 Campbellsville: Annual Substation Inspection (6/9/2025 - 6/12/2025) Sta 96: Unit 8C - Anchor Bolt Inspection (6/9/2025 - 6/12/2025)

Station 114

(segment 114 BH)

920

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

MLV 120-2 to MLV 121-2: Anomaly Remediation (6/9/2025 - 6/28/2025) Sta 114: Unit 2C - Engine Maintenace (6/3/2025 - 6/20/2025)

Sta 118A Tyler Mountain: Unit 1A - 4k Hr Inspection (6/9/2025 - 6/11/2025)

Station 204

(Segment 204 BH)

1,827

1661

(166)

1661

(166)

1661

(166)

1661

(166)

1696

(131)

1696

(131)

1696

(131)

MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/21/2025) MLV 205-2 to MLV 206-2: Landslide Mitigation (5/19/2025 - 6/16/2025) MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025)

Sta 209: Unit 5A - Turbo Replacement (6/9/2025 - 6/12/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

500

(40)

540

MLV 219-2 to MLV 220-2: Maintenance Pig (6/10/2025)

Station 245

(segment 245 FH)

997

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator

(5/19/2025 - 6/21/2025)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

MLV 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/28/2025)

Station 261 Discharge East (segment 261

FH)

941

941

930

(11)

930

(11)

930

(11)

941

Sta 261: Unit 4A - Compressor Rod Packing (M) (6/10/2025 - 6/12/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 06/05/25)

-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

(6/9)

Tuesday

(6/10)

Wednesday

(6/11)

Thursday

(6/12)

Friday

(6/13)

Saturday

(6/14)

Sunday

(6/15)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Concord Lateral Sta 270B

(segment 284 FH)

136

120

(16)

120

(16)

136

120

(16)

136

MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cal / IMU 6/10/25 (M)

(6/10/2025)

MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cleaning / Gauge 6/9/25 (M) (6/9/2025)

MLV 270B-104B TO MLV 270B-105A: Pig Runs - MFL-C 6/12/25 (M)

(6/12/2025)

Station 307

(segment 307 BH)

1,148

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 6/20/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 6/20/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1445

(134)

1445

(134)

1445

(134)

1445

(134)

1,579

Sta 315: Unit 1B - Water Wash & Borescope (6/9/2025 - 6/10/2025) Sta 315: Unit 2A - Water Wash & Borescope (6/11/2025 - 6/12/2025)

Station 321

(segment 321 FH)

2,102

2,102

1630

(472)

2,102

Sta 321: Station Valves for ESD System (6/12/2025)

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

290

(99)

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.

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 06/05/25)

-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 BH)

1,028

630

(398)

875

(153)

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 - 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)

MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025)

Station 17

(segment 117 FH)

758

758

753

(5)

MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/23/2025 - 7/11/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (6/24/2025 -

7/17/2025)

Station 25

(segment 125 FH)

714

709

(5)

564

(150)

MLV 25-2 to MLV 26-2: MLV Replacement (6/7/2025 - 6/16/2025) MLV 25-3 to MLV 32-3: Pig Run - Maintenance (6/26/2025)

Station 40 South

(segment 132 FH)

912

607

(305)

683

(229)

MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/21/2025) MLV 36-1LA to MLV 40-1S: Pig Run - Maintenance (6/17/2025) MLV 36-1TX to MLV 36-1LA: Pig Run - Maintenance (6/17/2025)

MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025)

Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Carthage Lateral (segment 700

FH)

323

258

(65)

323

Sta 703 Mansfield: Annual ESD, Maintenance (6/17/2025)

Station 40 KN South (segment 501

FH)

268

268

200

(68)

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (6/24/2025)

Station 47

(segment 143 FH)

1,176

1171

(5)

1171

(5)

MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025) 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 - 10/31/2025) MLV 60-3 to MLV 61-3: Shallow Pipe Lowering (6/17/2025 - 7/3/2025) Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025)

Sta 63: Unit 1D - Safety Device Checks (6/24/2025 - 6/26/2025)

Station 63

(segment 163 FH)

1,233

945

(288)

1130

(103)

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)

MLV 84-1 to MLV 85-1: Anomaly Remediation (6/16/2025 - 6/21/2025) MLV 85-1 to MLV 86-1: Anomaly Remediation (6/23/2025 - 6/28/2025)

Station 823

(segment 823 BH)

686

686

Station 834

(segment 834 BH)

679

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)

MLV 838-1 TO MLV 834-1: Pig Runs - Cleaning / Gauge 6/16 - 6/18 (M) (6/16/2025 - 6/18/2025)

MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN AFD (MFL-C) 6/24 (M) (6/24/2025)

MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN CAL / IMU 6/19 (M) (6/19/2025) MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN EMAT 6/26 (M) (6/26/2025)

MLV 548

(segment 542 BH)

1,597

1450

(147)

1450

(147)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 534: Unit 7A - Startup Sequence (5/20/2025 - 6/27/2025) Sta 538: Unit 1C - 4k hr Inspection (6/23/2025 - 6/27/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

575

(941)

MLV 556-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)

MLV 557-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 558-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 06/05/25)

-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 860 North (Segment 860 BH)

1,793

915

(878)

915

(878)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 -

8/4/2025)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025) Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2575

(70)

2455

(190)

MLV 106-3C to MLV 107-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 107-3 to MLV 108-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 108-3 to MLV 109-3: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (6/23/2025 - 7/12/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 106: Unit 6B - Engine Inspection (6/16/2025 - 6/20/2025)

Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/20/2025) Sta 871 Campbellsville: Annual ESD Test (6/24/2025 - 6/25/2025) Sta 871: Scrubber/Filter/Separator Inspection & Cleaning (6/23/2025 - 6/27/2025)

Station 114

(segment 114 BH)

920

720

(200)

720

(200)

MLV 120-2 to MLV 121-2: Anomaly Remediation (6/9/2025 - 6/28/2025) Sta 114: Unit 2C - Engine Maintenace (6/3/2025 - 6/20/2025)

Station 204

(Segment 204 BH)

1,827

1691

(136)

1736

(91)

MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/21/2025) MLV 205-2 to MLV 206-2: Landslide Mitigation (5/19/2025 - 6/16/2025)

MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025) Sta 204: Unit 11A - Compressor Inspection (6/16/2025 - 6/27/2025)

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

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)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1195

(18)

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1100

(113)

770

(443)

MLV 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/28/2025) MLV 259-1 to MLV 260-1: Anomaly Remediation - Dig 2023-178 (6/23/2025 -

6/28/2025)

Station 261 Discharge East (segment 261

FH)

941

941

Station 266A (segment 282

FH)

371

350

(21)

350

(21)

MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M) (6/17/2025 - 6/26/2025)

Concord Lateral Sta 270B

(segment 284

FH)

136

125

(11)

136

MLV 270B-105B TO MLV 270B-106: Pig Runs - Cleaning / Gauge 6/17/25 (M) (6/17/2025)

MLV 270B-105B TO MLV 270B-106: Pig Runs - MFL-A / Cal /IMU Combo

6/18/25 (M) (6/18/2025)

Station 307

(segment 307 BH)

1,148

840

(308)

1015

(133)

MLV 219-2 to MLV 301-1: Anomaly Remediation (6/23/2025 - 6/28/2025) Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 6/20/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 6/20/2025) Sta 307: Unit 5A - Engine Testing (6/16/2025 - 6/20/2025)

Sta 310: Unit 1A - Water Wash & Borescope (6/17/2025 - 6/18/2025)

Station 315

(segment 315 BH)

1,854

1,854

MLV 324

(segment 324 FH)

1,767

1,767

1410

(357)

Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	June 2025 (updated 06/05/25)					-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)
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)	803			803	803
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

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 BH)

1,028

875

(153)

1,028

702

(326)

702

(326)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025) MLV 8-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)

Station 17

(segment 117 FH)

758

753

(5)

753

(5)

658

(100)

753

(5)

753

(5)

MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/23/2025 - 7/11/2025) MLV 17-2D to MLV 20-2A: Anomaly Remediation (7/14/2025 - 7/18/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (6/24/2025 - 7/17/2025)

MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 -

8/7/2025)

Station 25

(segment 125 FH)

714

714

Station 40 South

(segment 132 FH)

912

683

(229)

683

(229)

587

(325)

587

(325)

587

(325)

MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/30/2025 - 8/12/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/16/2025 - 7/29/2025)

Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Carthage Lateral (segment 700

FH)

323

323

175

(148)

323

Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025)

Station 40 KN South (segment 501

FH)

268

268

225

(43)

268

Sta 504 Pitkin: Annual ESD test (7/14/2025 - 7/18/2025) Sta 504: Separator Filters (7/14/2025)

Station 47

(segment 143 FH)

1,176

1171

(5)

871

(305)

966

(210)

1031

(145)

1041

(135)

MLV 40-3 to MLV 47-3: Pig Run - EMAT 7/9/25 (M) (7/9/2025)

MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-2A to MLV 48-2: Anomaly Remediation (M) (7/21/2025 - 7/30/2025)

MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) MLV 53-2 TO MLV 53-2CBR: Anomaly Remediation (7/30/2025 - 8/8/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - AFD 7/22/25 (7/22/2025)

MLV 54-4D TO MLV 63-4S: Pig Runs - Caliper 7/17/25 (7/17/2025)

MLV 54-4D TO MLV 63-4S: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - EMAT 7/24/25 (7/24/2025)

MLV 60-3 to MLV 61-3: Shallow Pipe Lowering (6/17/2025 - 7/3/2025) Sta 47: B Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: C Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: D Building - Clean Motor Control Center (7/7/2025 - 7/11/2025) Sta 47: E Building - Clean Motor Control Center (7/7/2025 - 7/11/2025)

Sta 47: Scrubber Filter Separator Cleaning & Inspection (7/14/2025 - 7/18/2025) Sta 47: Transformer Inspection (7/7/2025 - 7/11/2025)

Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025) Sta 63: Unit 2D - Safety Device Checks (7/1/2025 - 7/3/2025)

Station 63

(segment 163 FH)

1,233

1,233

1125

(108)

1105

(128)

1,233

1085

(148)

MLV 71-1D to MLV 77-1A: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025) MLV 71-1D to MLV 77-1A: Pig Runs - MDS 7/17/25 (7/17/2025)

MLV 82-2C to MLV 87-2S: Pig Runs - Cleaning / Gauge 7/29/25 (7/29/2025) MLV 82-2C to MLV 87-2S: Pig Runs - MDS 7/31/25 (7/31/2025)

MLV 82-4C to MLV 83-4: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 84-4 to MLV 85-4: Anomaly Remediation (7/7/2025 - 7/12/2025)

Station 823

(segment 823 BH)

686

686

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 527

(segment 527 BH)

2,292

2,292

1840

(452)

2,292

Sta 530: Scrubber Inspection / Filter Replacement (7/7/2025 - 7/11/2025)

MLV 548

(segment 542 BH)

1,597

1480

(117)

1480

(117)

1480

(117)

1575

(22)

1575

(22)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Sta 546: Unit 1A - Engine and Compressor Overhaul (6/30/2025 - 7/25/2025) Sta 546: Unit 4A - Engine and Compressor Overhaul (7/28/2025 - 8/22/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

1511

(5)

1511

(5)

1511

(5)

1511

(5)

8/1/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,793

915

(878)

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 -

8/4/2025)

Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)

Sta 860: Unit 6A - Electronic Bearing System (6/30/2025 - 7/3/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2565

(80)

2495

(150)

2375

(270)

2375

(270)

2295

(350)

MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025)

MLV 108-3 to MLV 109-3: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-3 to MLV 109-3A: Anomaly Remediation (6/23/2025 - 7/12/2025) MLV 109-5 to MLV 109-5A: Class Change Pipe Replacement (7/14/2025 - 7/31/2025)

MLV 110-2 to MLV 106-2: Pig Runs - Cleaning / Gauge 7/7/25 (7/7/2025) MLV 110-2 to MLV 106-2: Pig Runs - ROSEN MFL-A 7/8/25 (7/8/2025)

MLV 110-2 to MLV 106-2: Pig Runs - TDW Caliper 7/10/25 (7/10/2025) MLV 871-2 to MLV 871-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 871-2A to MLV 872-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 872-1 to MLV 873-1: Anomaly Remediation (7/14/2025 - 7/25/2025) MLV 872-2 to MLV 873-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 873-2 to MLV 873-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 875-1 to MLV 876-1R: Anomaly Remediation (7/14/2025 - 7/25/2025) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 87: Unit 1E - Anchor Bolt Repairs (7/8/2025 - 7/14/2025)

Sta 87: Unit 2E - Anchor Bolt Repairs (7/14/2025 - 7/21/2025)

Station 114

(segment 114 BH)

920

920

800

(120)

920

Sta 114: Unit 1D - Turbine Swap (7/14/2025 - 7/19/2025)

Station 200

(segment 200 BH)

1,765

1,765

1750

(15)

1750

(15)

1,765

MLV 110-3 to MLV 111-3A: Anomaly Remediation (7/14/2025 - 7/26/2025)

Station 204

(Segment 204 BH)

1,827

1724

(103)

1736

(91)

1502

(325)

1797

(30)

1797

(30)

MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025) MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025)

MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) Sta 200 Greenup: Annual ESD Test (7/14/2025 - 7/18/2025)

Sta 200: Unit 11A - Engine Inspection (7/7/2025 - 7/10/2025) Sta 200: Unit 6A - Engine Inspection (6/30/2025 - 7/3/2025)

Sta 204: Unit 1A - Change Bearing Fuses (6/30/2025 - 7/1/2025) Sta 204: Unit 2A - Change Bearing Fuses (7/7/2025 - 7/8/2025) Sta 204: Unit 5A - Change Bearing Fuses (7/9/2025 - 7/10/2025) Sta 214: Annual ESD Test & Maintenance (7/14/2025 - 7/18/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

445

(95)

540

Sta 219: Unit 1A to 6A - Protective Device Checks (7/14/2025 - 7/18/2025)

Station 230C

(segment 296 FH)

743

743

570

(173)

743

Station 230C: Annual ESD (M) (7/16/2025 - 7/17/2025)

Station 245

(segment 245 FH)

997

997

935

(62)

997

Sta 241: Unit 3A - Device and Relief Valve Tests (7/15/2025 - 7/16/2025)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1,213

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1,213

845

(368)

845

(368)

1,213

MLV 258-1 to MLV 259-1: Anomaly Remediation 2023-18 (7/7/2025 - 7/19/2025)

MLV 259-1 to MLV 260-1: Anomaly Remediation - Dig 2023-18 (Cutout)

(7/7/2025 - 7/19/2025)

Station 261 Discharge East (segment 261

FH)

941

941

MLV 265

(segment 265 FH)

767

767

390

(377)

390

(377)

390

(377)

MLV 264-2 to 264-2A: Pipe Replacement (7/15/2025 - 7/30/2025)

Station 266A (segment 282 FH)

371

371

345

(26)

371

MLV 266A-102A TO MLV 266A-104A: Pig Runs - Cleaning / Gauge 7/22/25 (M) (7/22/2025)

MLV 266A-102A TO MLV 266A-104A: Pig Runs - MFL-A / Cal / IMU Combo

7/23/25 (M) (7/23/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Fitchburg Lat to Gloucester (segment 268

FH)

202

202

140

(62)

140

(62)

202

MLV 267-1A to MLV 268-1: Anomaly Remediation (7/14/2025 - 7/19/2025)

MLV 270-1A to MLV 270-101.1R: Anomaly Remediation (7/21/2025 - 7/26/2025)

Station 307

(segment 307 BH)

1,148

1,148

1133

(15)

1105

(43)

1105

(43)

Sta 219: Unit 7A to 13A - Protective Device Checks (7/14/2025 - 7/18/2025) Sta 307: Unit 1A - Protective Device Checks (7/21/2025 - 7/22/2025) Sta 307: Unit 2A - Protective Device Checks (7/23/2025 - 7/25/2025) Sta 307: Unit 3A - Protective Device Checks (7/28/2025 - 7/29/2025)

Sta 307: Unit 4A - Protective Device Checks (7/30/2025 - 8/1/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1,579

1290

(289)

1,579

MLV 317-1 to MLV 318-1: Hot Tap for New Meter (Meter: Port Royal PIN: 57162)

(M) (7/14/2025 - 7/15/2025)

MLV 317-2 to MLV 318-2: Hot Tap for New Meter (Meter: Port Royal PIN: 57162)

(M) (7/16/2025 - 7/17/2025)

Station 321

(segment 321 FH)

2,102

2,102

1965

(137)

MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025)

MLV 324

(segment 324 FH)

1,767

1410

(357)

1,767

1200

(567)

1,767

MLV 327-2B to MLV 328-2: Anomaly Remediation (7/21/2025 - 7/26/2025) Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)

Station 405 HC Line (segment 299

FH)

803

803

690

(113)

803

Sta 405A: Annual ESD Test (7/8/2025) Sta 405A: Filter / Scrubber Change (7/9/2025)

Sta 405A: Point to Point and Trans Cals (7/9/2025)

Sta 405A: Unit Protective Device Tests (7/9/2025)

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

August 2025 (updated 06/05/25)

-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

(8/4 - 8/10)

Week 2

(8/11 - 8/17)

Week 3

(8/18 - 8/24)

Week 4

(8/25 - 8/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 BH)

1,028

702

(326)

1,028

445

(583)

MLV 17-2S to MLV 9-2D: Pigging Cleaning Run 1 (M) (8/28/2025) MLV 8-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)

Station 17

(segment 117 FH)

758

753

(5)

740

(18)

740

(18)

758

MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 - 8/7/2025)

MLV 21-1 to MLV 22-1: Meter Upgrade (Meter: Tomball PIN: 420898) (M)

(8/11/2025 - 8/22/2025)

Station 25

(segment 125 FH)

714

714

709

(5)

709

(5)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (8/18/2025 - 9/6/2025)

Station 40 South

(segment 132 FH)

912

777

(135)

777

(135)

912

MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/30/2025 - 8/12/2025)

Station 40 KN South (segment 501

FH)

268

200

(68)

268

200

(68)

200

(68)

Sta 40: HP Replacement - 500C1 Mod (8/4/2025 - 8/9/2025)

Sta 40: HP Replacement - 500C1 Mod & 1C KN Line (8/22/2025 - 8/30/2025)

Station 40 North

(segment 140 FH)

1,176

1,176

951

(225)

951

(225)

1006

(170)

Sta 40: HP Replacement - 500C1 Mod & 1C 100 Line (8/22/2025 - 8/30/2025) Sta 40: HP Replacement - Bldg C Mod (8/13/2025 - 8/18/2025)

Station 47

(segment 143 FH)

1,177

852

(325)

1172

(5)

1172

(5)

972

(205)

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 - 10/31/2025) MLV 51-3 to MLV 52-3: Anomaly Remediation (8/25/2025 - 8/29/2025) MLV 52-2 to MLV 53-2: Anomaly Remediation (8/11/2025 - 8/29/2025) MLV 53-2 TO MLV 53-2CBR: Anomaly Remediation (7/30/2025 - 8/8/2025) MLV 53-3 to MLV 53-3CR: Anomaly Remediation (8/25/2025 - 8/29/2025)

Sta 54: Substation Inspection (8/4/2025 - 8/8/2025)

Station 63

(segment 163 FH)

1,233

1,233

660

(573)

Sta 63 Batesville: Annual ESD Test (8/27/2025)

Station 823

(segment 823 BH)

686

686

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)

Station 847

(segment 847 BH)

284

284

220

(64)

Sta 847 Coffeeville: Annual ESD Test (8/27/2025 - 8/28/2025)

MLV 548

(segment 542 BH)

1,597

1480

(117)

1575

(22)

1265

(332)

1265

(332)

Sta 534: Scrubber Inspection / Filter Replacement (8/4/2025 - 8/8/2025) MLV 540-1 to MLV 540-1A: Anomaly Remediation (8/19/2025 - 8/28/2025) MLV 541-1 to MLV 541-1A: Anomaly Remediation (8/19/2025 - 9/7/2025) Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 546: Unit 4A - Engine and Compressor Overhaul (7/28/2025 - 8/22/2025)

Station 860

(segment 548 BH)

1,516

1,516

920

(596)

1,516

MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning 8/19/25 (8/19/2025) MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 8/21/25 (8/21/2025)

Station 860 North (Segment 860 BH)

1,793

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 - 8/4/2025)

MLV 861-1 to MLV 862-1: Install New 30" Valve 861-1A (8/18/2025 - 8/30/2025)

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

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

August 2025 (updated 06/05/25)

-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

(8/4 - 8/10)

Week 2

(8/11 - 8/17)

Week 3

(8/18 - 8/24)

Week 4

(8/25 - 8/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2295

(350)

2300

(345)

2460

(185)

2460

(185)

MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025)

MLV 871-2 to MLV 871-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 871-2A to MLV 872-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 872-2 to MLV 873-2: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 873-2 to MLV 873-2A: Anomaly Remediation (7/28/2025 - 9/29/2025) MLV 90-3 to MLV 91-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

Sta 106 Clay City: Upgrade B Building Jacket Water System (8/4/2025 -

8/8/2025)

Station 114

(segment 114 BH)

920

920

780

(140)

Sta 119A Tyler Mountain: Unit 1A - 4k Hr Inspection (8/25/2025 - 8/27/2025)

Station 200

(segment 200 BH)

1,765

1760

(5)

1760

(5)

1760

(5)

1760

(5)

MLV 111-3B to MLV 112-3: Make Piggable (8/4/2025 - 8/25/2025)

Station 204

(Segment 204 BH)

1,827

1731

(96)

1731

(96)

1282

(545)

1338

(489)

MLV 204-2 to MLV 200-2: Pig Runs - Cal 8/7/25 (M) (8/7/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Cleaning / Gauge 8/5/25 (M) (8/5/2025) MLV 204-2 to MLV 200-2: Pig Runs - EMAT 8/21/25 (M) (8/21/2025)

MLV 204-2 to MLV 200-2: Pig Runs - MFL-A Combo 8/12/25 (M) (8/12/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 8/19/25 (M) (8/19/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Residual 8/14/25 (M) (8/14/2025) MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025)

MLV 214-1 to MLV 209-1: Pig Re-Runs - EMAT 8/26/25 (8/26/2025)

MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) MLV 219-4 to MLV 214-4: Pig Runs - Cleaning / Gauge 8/19/25 (8/19/2025) MLV 219-4 to MLV 214-4: Pig Runs - EMAT 8/26/25 (8/26/2025)

MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 8/21/25 (8/21/2025)

Station 237

(segment 237 FH)

1,017

925

(92)

557

(460)

557

(460)

557

(460)

MLV 236-1 to MLV 237-1BR: Special Permit Replacement (M) (8/11/2025 - 9/12/2025)

Station 237: Annual ESD Test (8/5/2025)

Station 237: Point to Point and Trans Cals (8/6/2025)

Station 245

(segment 245 FH)

997

997

925

(72)

997

Sta 241: Unit 1A - Device and Relief Valve Tests (8/11/2025) Sta 241: Unit 1B - Device and Relief Valve Tests (8/13/2025) Sta 241: Unit 2A - Device and Relief Valve Tests (8/12/2025)

Sta 241: Unit 2B - Device and Relief Valve Tests (8/14/2025)

Station 261 Discharge East (segment 261

FH)

941

941

MLV 265

(segment 265 FH)

767

767

450

(317)

450

(317)

450

(317)

MLV 263-2 to 264-2: Pipe Replacement (8/12/2025 - 8/30/2025)

Fitchburg Lat to Gloucester (segment 268

FH)

202

185

(17)

185

(17)

185

(17)

202

MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (8/4/2025 - 8/22/2025)

Station 307

(segment 307 BH)

1,148

750

(398)

1,148

930

(218)

1,148

Sta 219: Annual ESD Test (8/4/2025 - 8/7/2025)

Sta 219: Unit 13A - Mounting Valve Operators / Testing (8/4/2025 - 8/7/2025) Sta 219: Unit 13A - Unit Valve Replacement (8/4/2025 - 8/7/2025)

Sta 219: Unit 1B - Protective Device Checks (8/4/2025 - 8/7/2025) Sta 307 (Pigeon ): Annual ESD Test (8/4/2025 - 8/8/2025)

Sta 307: Unit 5A - Protective Device Checks (8/4/2025 - 8/5/2025) Sta 307: Unit 6A - Protective Device Checks (8/6/2025 - 8/8/2025) Sta 313 Coudersport: Annual ESD Test (8/19/2025 - 8/21/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 321

(segment 321 FH)

2,102

1965

(137)

2,102

MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025)

MLV 324

(segment 324 FH)

1,767

1,767

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	August 2025 (updated 06/05/25)					-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 (8/4 - 8/10)	Week 2 (8/11 - 8/17)	Week 3 (8/18 - 8/24)	Week 4 (8/25 - 8/31)	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)	803	803	803	803	803
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: 06/05/2025 3:36:58PM	Notice End Date/Time: 06/06/2025 9:00:00am
Post Date/Time: 6/5/2025 3:36:58 PM	Notice ID: 394820
Reqrd Rsp: 1	Rsp Date: 06/05/2025
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 06/05/25)

-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

(6/9)

Tuesday

(6/10)

Wednesday

(6/11)

Thursday

(6/12)

Friday

(6/13)

Saturday

(6/14)

Sunday

(6/15)

Primary Outage(s) that may Impact Throughput

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 BH)

1,028

855

(173)

630

(398)

855

(173)

630

(398)

855

(173)

855

(173)

855

(173)

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 - Gauge 6/12/25 (M) (6/12/2025)

MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025)

Station 17

(segment 117 FH)

758

740

(18)

740

(18)

740

(18)

740

(18)

740

(18)

758

MLV 20-1BR to MLV 24-1A: Anomaly Remediation (5/26/2025 - 6/13/2025)

Station 25

(segment 125 FH)

714

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

709

(5)

MLV 25-2 to MLV 26-2: MLV Replacement (6/7/2025 - 6/16/2025)

Station 40 South

(segment 132 FH)

912

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

683

(229)

MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/21/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Station 47

(segment 143 FH)

1,176

1091

(85)

721

(455)

1091

(85)

1171

(5)

1171

(5)

1171

(5)

1171

(5)

MLV 40-1D to MLV 47-1S: Pig Runs - Cleaning / Gauge 6/5 - 6/10 (M) (6/5/2025

- 6/10/2025)

MLV 40-1D to MLV 47-1S: Pig Runs - TDW MDS 6/11 (M) (6/11/2025)

MLV 40-4D to MLV 47-4S: Pig Runs - Maintenance (M) (6/10/2025) MLV 41-2 to MLV 42-2: Anomaly Remediation (5/21/2025 - 7/2/2025)

Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025)

Station 63

(segment 163 FH)

1,233

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1120

(113)

1,233

MLV 81-1 to MLV 82-1: Anomaly Remediation (6/2/2025 - 6/14/2025) MLV 83-1 to MLV 83-1a: Anomaly Remediation (6/2/2025 - 6/14/2025)

Station 823

(segment 823 BH)

686

686

Station 834

(segment 834 BH)

679

670

(9)

670

(9)

670

(9)

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

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

1450

(147)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 534: Unit 7A - Startup Sequence (5/20/2025 - 6/27/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

575

(941)

Sta 550: Unit 4A - Turbocharger Exchange (6/2/2025 - 6/13/2025)

Station 860 North (Segment 860 BH)

1,793

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

915

(878)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 - 8/4/2025)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2195

(450)

1915

(730)

1915

(730)

1915

(730)

2565

(80)

2575

(70)

2575

(70)

MLV 106-3C to MLV 107-3: Anomaly Remediation (6/2/2025 - 6/21/2025) MLV 107-3 to MLV 108-3: Anomaly Remediation (6/2/2025 - 6/21/2025)

MLV 96-2 to MLV 99-2: PHMSA Immediate Anomaly Remediation (5/22/2025 - 6/13/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 87: Unit 3D - Turbocharger Exchange (4/28/2025 - 6/20/2025)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/10/2025 - 6/12/2025) Sta 96 Campbellsville: Annual ESD Test (6/9/2025 - 6/12/2025)

Sta 96 Campbellsville: Annual Substation Inspection (6/9/2025 - 6/12/2025) Sta 96: Unit 8C - Anchor Bolt Inspection (6/9/2025 - 6/12/2025)

Station 114

(segment 114 BH)

920

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

720

(200)

MLV 120-2 to MLV 121-2: Anomaly Remediation (6/9/2025 - 6/28/2025) Sta 114: Unit 2C - Engine Maintenace (6/3/2025 - 6/20/2025)

Sta 118A Tyler Mountain: Unit 1A - 4k Hr Inspection (6/9/2025 - 6/11/2025)

Station 204

(Segment 204 BH)

1,827

1661

(166)

1661

(166)

1661

(166)

1661

(166)

1696

(131)

1696

(131)

1696

(131)

Sta 209: Unit 5A - Turbo Replacement (6/9/2025 - 6/12/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

500

(40)

540

MLV 219-2 to MLV 220-2: Maintenance Pig (6/10/2025)

Station 245

(segment 245 FH)

997

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

975

(22)

Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator

(5/19/2025 - 6/21/2025)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

1195

(18)

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

1100

(113)

MLV 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/28/2025)

Station 261 Discharge East (segment 261

FH)

941

941

930

(11)

930

(11)

930

(11)

941

Sta 261: Unit 4A - Compressor Rod Packing (M) (6/10/2025 - 6/12/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

Seven Day Forecast (updated 06/05/25)

-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

(6/9)

Tuesday

(6/10)

Wednesday

(6/11)

Thursday

(6/12)

Friday

(6/13)

Saturday

(6/14)

Sunday

(6/15)

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Concord Lateral Sta 270B

(segment 284 FH)

136

120

(16)

120

(16)

136

120

(16)

136

MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cal / IMU 6/10/25 (M)

(6/10/2025)

MLV 270B-104B TO MLV 270B-105A: Pig Runs - Cleaning / Gauge 6/9/25 (M) (6/9/2025)

MLV 270B-104B TO MLV 270B-105A: Pig Runs - MFL-C 6/12/25 (M)

(6/12/2025)

Station 307

(segment 307 BH)

1,148

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

1130

(18)

Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 6/20/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 6/20/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1445

(134)

1445

(134)

1445

(134)

1445

(134)

1,579

Sta 315: Unit 1B - Water Wash & Borescope (6/9/2025 - 6/10/2025) Sta 315: Unit 2A - Water Wash & Borescope (6/11/2025 - 6/12/2025)

Station 321

(segment 321 FH)

2,102

2,102

1630

(472)

2,102

Sta 321: Station Valves for ESD System (6/12/2025)

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

290

(99)

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.

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 06/05/25)

-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 BH)

1,028

630

(398)

875

(153)

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 - 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)

MLV 4-1 to MLV 5-1: Anomaly Remediation (5/20/2025 - 6/17/2025)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025)

Station 17

(segment 117 FH)

758

758

753

(5)

MLV 17-1D to MLV 20-1A: Anomaly Remediation (6/23/2025 - 7/11/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (6/24/2025 -

7/17/2025)

Station 25

(segment 125 FH)

714

709

(5)

564

(150)

MLV 25-2 to MLV 26-2: MLV Replacement (6/7/2025 - 6/16/2025) MLV 25-3 to MLV 32-3: Pig Run - Maintenance (6/26/2025)

Station 40 South

(segment 132 FH)

912

607

(305)

683

(229)

MLV 34-2 to MLV 35-2: Anomaly Remediation (5/20/2025 - 6/21/2025) MLV 36-1LA to MLV 40-1S: Pig Run - Maintenance (6/17/2025) MLV 36-1TX to MLV 36-1LA: Pig Run - Maintenance (6/17/2025)

MLV 39-2 to MLV 40-2S: Anomaly Remediation (5/19/2025 - 7/15/2025)

Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Carthage Lateral (segment 700

FH)

323

258

(65)

323

Sta 703 Mansfield: Annual ESD, Maintenance (6/17/2025)

Station 40 KN South (segment 501

FH)

268

268

200

(68)

Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (6/24/2025)

Station 47

(segment 143 FH)

1,176

1171

(5)

1171

(5)

Sta 63: Unit 1D - Safety Device Checks (6/24/2025 - 6/26/2025)

Station 63

(segment 163 FH)

1,233

945

(288)

1130

(103)

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)

MLV 84-1 to MLV 85-1: Anomaly Remediation (6/16/2025 - 6/21/2025) MLV 85-1 to MLV 86-1: Anomaly Remediation (6/23/2025 - 6/28/2025)

Station 823

(segment 823 BH)

686

686

Station 834

(segment 834 BH)

679

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)

MLV 838-1 TO MLV 834-1: Pig Runs - Cleaning / Gauge 6/16 - 6/18 (M) (6/16/2025 - 6/18/2025)

MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN AFD (MFL-C) 6/24 (M) (6/24/2025)

MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN CAL / IMU 6/19 (M) (6/19/2025) MLV 838-1 TO MLV 834-1: Pig Runs - ROSEN EMAT 6/26 (M) (6/26/2025)

MLV 548

(segment 542 BH)

1,597

1450

(147)

1450

(147)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 534: Unit 7A - Startup Sequence (5/20/2025 - 6/27/2025) Sta 538: Unit 1C - 4k hr Inspection (6/23/2025 - 6/27/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

575

(941)

MLV 556-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)

MLV 557-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025) MLV 558-2: Make Piggable - Valve Replacement (6/9/2025 - 6/30/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

June 2025 (updated 06/05/25)

-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 860 North (Segment 860 BH)

1,793

915

(878)

915

(878)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 -

8/4/2025)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 6/28/2025) Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2575

(70)

2455

(190)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 106: Unit 6B - Engine Inspection (6/16/2025 - 6/20/2025)

Station 114

(segment 114 BH)

920

720

(200)

720

(200)

MLV 120-2 to MLV 121-2: Anomaly Remediation (6/9/2025 - 6/28/2025) Sta 114: Unit 2C - Engine Maintenace (6/3/2025 - 6/20/2025)

Station 204

(Segment 204 BH)

1,827

1691

(136)

1736

(91)

MLV 204-2 to MLV 205-2: Anomaly Remediation (5/27/2025 - 6/21/2025) MLV 205-2 to MLV 206-2: Landslide Mitigation (5/19/2025 - 6/16/2025)

MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025) Sta 204: Unit 11A - Compressor Inspection (6/16/2025 - 6/27/2025)

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

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)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1195

(18)

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1100

(113)

770

(443)

MLV 258-1 to MLV 259-1: Anomaly Remediation (4/28/2025 - 6/28/2025) MLV 259-1 to MLV 260-1: Anomaly Remediation - Dig 2023-178 (6/23/2025 -

6/28/2025)

Station 261 Discharge East (segment 261

FH)

941

941

Station 266A (segment 282

FH)

371

350

(21)

350

(21)

MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M) (6/17/2025 - 6/26/2025)

Concord Lateral Sta 270B

(segment 284

FH)

136

125

(11)

136

MLV 270B-105B TO MLV 270B-106: Pig Runs - Cleaning / Gauge 6/17/25 (M) (6/17/2025)

MLV 270B-105B TO MLV 270B-106: Pig Runs - MFL-A / Cal /IMU Combo

6/18/25 (M) (6/18/2025)

Station 307

(segment 307 BH)

1,148

840

(308)

1015

(133)

Sta 310: Unit 1A - Water Wash & Borescope (6/17/2025 - 6/18/2025)

Station 315

(segment 315 BH)

1,854

1,854

MLV 324

(segment 324 FH)

1,767

1,767

1410

(357)

Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	June 2025 (updated 06/05/25)					-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)
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)	803			803	803
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

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 BH)

1,028

875

(153)

1,028

702

(326)

702

(326)

MLV 8-1 to MLV 9-1: Anomaly Remediation (6/5/2025 - 7/2/2025) MLV 8-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)

Station 17

(segment 117 FH)

758

753

(5)

753

(5)

658

(100)

753

(5)

753

(5)

MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 -

8/7/2025)

Station 25

(segment 125 FH)

714

714

Station 40 South

(segment 132 FH)

912

683

(229)

683

(229)

587

(325)

587

(325)

587

(325)

Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025)

Carthage Lateral (segment 700

FH)

323

323

175

(148)

323

Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025)

Station 40 KN South (segment 501

FH)

268

268

225

(43)

268

Sta 504 Pitkin: Annual ESD test (7/14/2025 - 7/18/2025) Sta 504: Separator Filters (7/14/2025)

Station 47

(segment 143 FH)

1,176

1171

(5)

871

(305)

966

(210)

1031

(145)

1041

(135)

MLV 40-3 to MLV 47-3: Pig Run - EMAT 7/9/25 (M) (7/9/2025)

MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) MLV 53-2 TO MLV 53-2CBR: Anomaly Remediation (7/30/2025 - 8/8/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - AFD 7/22/25 (7/22/2025)

MLV 54-4D TO MLV 63-4S: Pig Runs - Caliper 7/17/25 (7/17/2025)

MLV 54-4D TO MLV 63-4S: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025) MLV 54-4D TO MLV 63-4S: Pig Runs - EMAT 7/24/25 (7/24/2025)

Sta 47: Scrubber Filter Separator Cleaning & Inspection (7/14/2025 - 7/18/2025) Sta 47: Transformer Inspection (7/7/2025 - 7/11/2025)

Sta 47: Unit 2D - 16K inspection & turbochargers (6/9/2025 - 7/25/2025) Sta 63: Unit 2D - Safety Device Checks (7/1/2025 - 7/3/2025)

Station 63

(segment 163 FH)

1,233

1,233

1125

(108)

1105

(128)

1,233

1085

(148)

MLV 71-1D to MLV 77-1A: Pig Runs - Cleaning / Gauge 7/15/25 (7/15/2025) MLV 71-1D to MLV 77-1A: Pig Runs - MDS 7/17/25 (7/17/2025)

MLV 82-2C to MLV 87-2S: Pig Runs - Cleaning / Gauge 7/29/25 (7/29/2025) MLV 82-2C to MLV 87-2S: Pig Runs - MDS 7/31/25 (7/31/2025)

MLV 82-4C to MLV 83-4: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 84-4 to MLV 85-4: Anomaly Remediation (7/7/2025 - 7/12/2025)

Station 823

(segment 823 BH)

686

686

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 527

(segment 527 BH)

2,292

2,292

1840

(452)

2,292

Sta 530: Scrubber Inspection / Filter Replacement (7/7/2025 - 7/11/2025)

MLV 548

(segment 542 BH)

1,597

1480

(117)

1480

(117)

1480

(117)

1575

(22)

1575

(22)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 8/15/2025)

Sta 542: Unit 3A - Overhaul (2/12/2024 - 7/20/2025)

Sta 546: Unit 1A - Engine and Compressor Overhaul (6/30/2025 - 7/25/2025) Sta 546: Unit 4A - Engine and Compressor Overhaul (7/28/2025 - 8/22/2025)

Station 860

(segment 548 BH)

1,516

575

(941)

1511

(5)

1511

(5)

1511

(5)

1511

(5)

8/1/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 860 North (Segment 860 BH)

1,793

915

(878)

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 -

8/4/2025)

Sta 860: Unit 1B - Replace Lubrication System & Electronic Bearing System (6/23/2025 - 7/3/2025)

Sta 860: Unit 6A - Electronic Bearing System (6/30/2025 - 7/3/2025)

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2565

(80)

2495

(150)

2375

(270)

2375

(270)

2295

(350)

MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025)

MLV 110-2 to MLV 106-2: Pig Runs - Cleaning / Gauge 7/7/25 (7/7/2025) MLV 110-2 to MLV 106-2: Pig Runs - ROSEN MFL-A 7/8/25 (7/8/2025)

MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

Sta 106: Unit 1C - Replace Power Cylinder Bearing #7 (4/14/2025 - 7/31/2025) Sta 87: Unit 1E - Anchor Bolt Repairs (7/8/2025 - 7/14/2025)

Sta 87: Unit 2E - Anchor Bolt Repairs (7/14/2025 - 7/21/2025)

Station 114

(segment 114 BH)

920

920

800

(120)

920

Sta 114: Unit 1D - Turbine Swap (7/14/2025 - 7/19/2025)

Station 200

(segment 200 BH)

1,765

1,765

1750

(15)

1750

(15)

1,765

MLV 110-3 to MLV 111-3A: Anomaly Remediation (7/14/2025 - 7/26/2025)

Station 204

(Segment 204 BH)

1,827

1724

(103)

1736

(91)

1502

(325)

1797

(30)

1797

(30)

MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025) MLV 209-3 to MLV 210-3A: Class Change Replacement (5/27/2025 - 6/30/2025)

MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) Sta 200 Greenup: Annual ESD Test (7/14/2025 - 7/18/2025)

Sta 200: Unit 11A - Engine Inspection (7/7/2025 - 7/10/2025) Sta 200: Unit 6A - Engine Inspection (6/30/2025 - 7/3/2025)

Station 219 to

Station 224

(Segment 219 FH)

540

540

445

(95)

540

Sta 219: Unit 1A to 6A - Protective Device Checks (7/14/2025 - 7/18/2025)

Station 230C

(segment 296 FH)

743

743

570

(173)

743

Station 230C: Annual ESD (M) (7/16/2025 - 7/17/2025)

Station 245

(segment 245 FH)

997

997

935

(62)

997

Sta 241: Unit 3A - Device and Relief Valve Tests (7/15/2025 - 7/16/2025)

MLV 256 West

(segment 249 FH)

1,213

1195

(18)

1,213

Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025)

Station 254

(segment 256 FH)

1,213

1,213

845

(368)

845

(368)

1,213

MLV 258-1 to MLV 259-1: Anomaly Remediation 2023-18 (7/7/2025 - 7/19/2025)

MLV 259-1 to MLV 260-1: Anomaly Remediation - Dig 2023-18 (Cutout)

(7/7/2025 - 7/19/2025)

Station 261 Discharge East (segment 261

FH)

941

941

MLV 265

(segment 265 FH)

767

767

390

(377)

390

(377)

390

(377)

MLV 264-2 to 264-2A: Pipe Replacement (7/15/2025 - 7/30/2025)

Station 266A (segment 282 FH)

371

371

345

(26)

371

MLV 266A-102A TO MLV 266A-104A: Pig Runs - Cleaning / Gauge 7/22/25 (M) (7/22/2025)

MLV 266A-102A TO MLV 266A-104A: Pig Runs - MFL-A / Cal / IMU Combo

7/23/25 (M) (7/23/2025)

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

July 2025 (updated 06/05/25)

-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

(6/30 - 7/6)

Week 2

(7/7 - 7/13)

Week 3

(7/14 - 7/20)

Week 4

(7/21 - 7/27)

Week 5

(7/28 - 8/3)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Fitchburg Lat to Gloucester (segment 268

FH)

202

202

140

(62)

140

(62)

202

MLV 267-1A to MLV 268-1: Anomaly Remediation (7/14/2025 - 7/19/2025)

MLV 270-1A to MLV 270-101.1R: Anomaly Remediation (7/21/2025 - 7/26/2025)

Station 307

(segment 307 BH)

1,148

1,148

1133

(15)

1105

(43)

1105

(43)

Sta 307: Unit 4A - Protective Device Checks (7/30/2025 - 8/1/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 317

(segment 317 BH)

1,579

1,579

1290

(289)

1,579

MLV 317-1 to MLV 318-1: Hot Tap for New Meter (Meter: Port Royal PIN: 57162)

(M) (7/14/2025 - 7/15/2025)

MLV 317-2 to MLV 318-2: Hot Tap for New Meter (Meter: Port Royal PIN: 57162)

(M) (7/16/2025 - 7/17/2025)

Station 321

(segment 321 FH)

2,102

2,102

1965

(137)

MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025)

MLV 324

(segment 324 FH)

1,767

1410

(357)

1,767

1200

(567)

1,767

MLV 327-2B to MLV 328-2: Anomaly Remediation (7/21/2025 - 7/26/2025) Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025)

Station 261

South 300 Line

(segment 355 BH)

(47)

MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025)

Station 405 HC Line (segment 299

FH)

803

803

690

(113)

803

Sta 405A: Annual ESD Test (7/8/2025) Sta 405A: Filter / Scrubber Change (7/9/2025)

Sta 405A: Point to Point and Trans Cals (7/9/2025)

Sta 405A: Unit Protective Device Tests (7/9/2025)

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

August 2025 (updated 06/05/25)

-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

(8/4 - 8/10)

Week 2

(8/11 - 8/17)

Week 3

(8/18 - 8/24)

Week 4

(8/25 - 8/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

564

564

Station 1

(segment 101 BH)

400

400

Station 9

(segment 109 BH)

1,028

702

(326)

1,028

445

(583)

MLV 17-2S to MLV 9-2D: Pigging Cleaning Run 1 (M) (8/28/2025) MLV 8-3 to MLV 9-3: Anomaly Remediation (7/21/2025 - 8/8/2025)

Station 17

(segment 117 FH)

758

753

(5)

740

(18)

740

(18)

758

MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 - 8/7/2025)

MLV 21-1 to MLV 22-1: Meter Upgrade (Meter: Tomball PIN: 420898) (M)

(8/11/2025 - 8/22/2025)

Station 25

(segment 125 FH)

714

714

709

(5)

709

(5)

MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (8/18/2025 - 9/6/2025)

Station 40 South

(segment 132 FH)

912

777

(135)

777

(135)

912

MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/30/2025 - 8/12/2025)

Station 40 KN South (segment 501

FH)

268

200

(68)

268

200

(68)

200

(68)

Sta 40: HP Replacement - 500C1 Mod (8/4/2025 - 8/9/2025)

Sta 40: HP Replacement - 500C1 Mod & 1C KN Line (8/22/2025 - 8/30/2025)

Station 40 North

(segment 140 FH)

1,176

1,176

951

(225)

951

(225)

1006

(170)

Sta 40: HP Replacement - 500C1 Mod & 1C 100 Line (8/22/2025 - 8/30/2025) Sta 40: HP Replacement - Bldg C Mod (8/13/2025 - 8/18/2025)

Station 47

(segment 143 FH)

1,177

852

(325)

1172

(5)

1172

(5)

972

(205)

Sta 54: Substation Inspection (8/4/2025 - 8/8/2025)

Station 63

(segment 163 FH)

1,233

1,233

660

(573)

Sta 63 Batesville: Annual ESD Test (8/27/2025)

Station 823

(segment 823 BH)

686

686

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)

Station 847

(segment 847 BH)

284

284

220

(64)

Sta 847 Coffeeville: Annual ESD Test (8/27/2025 - 8/28/2025)

MLV 548

(segment 542 BH)

1,597

1480

(117)

1575

(22)

1265

(332)

1265

(332)

Sta 546: Unit 4A - Engine and Compressor Overhaul (7/28/2025 - 8/22/2025)

Station 860

(segment 548 BH)

1,516

1,516

920

(596)

1,516

MLV 550-2 TO MLV 546-2: Pig Runs - Cleaning 8/19/25 (8/19/2025) MLV 550-2 TO MLV 546-2: Pig Runs - EMAT 8/21/25 (8/21/2025)

Station 860 North (Segment 860 BH)

1,793

1693

(100)

1693

(100)

1693

(100)

1693

(100)

MLV 560-2 to MLV 561-2: Class Change Pipe Replacement (6/9/2025 - 8/4/2025)

MLV 861-1 to MLV 862-1: Install New 30" Valve 861-1A (8/18/2025 - 8/30/2025)

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

-Primary impact restrictions may be necessary

TGP - Outage Impact Report

-Major impact restrictions may be necessary

August 2025 (updated 06/05/25)

-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

(8/4 - 8/10)

Week 2

(8/11 - 8/17)

Week 3

(8/18 - 8/24)

Week 4

(8/25 - 8/31)

Primary Outage(s)

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 110

(segment 187 BH)

(south thru Kentucky)

2,645

2295

(350)

2300

(345)

2460

(185)

2460

(185)

MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025)

MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (7/21/2025 - 9/5/2025)

Sta 106 Clay City: Upgrade B Building Jacket Water System (8/4/2025 -

8/8/2025)

Station 114

(segment 114 BH)

920

920

780

(140)

Sta 119A Tyler Mountain: Unit 1A - 4k Hr Inspection (8/25/2025 - 8/27/2025)

Station 200

(segment 200 BH)

1,765

1760

(5)

1760

(5)

1760

(5)

1760

(5)

MLV 111-3B to MLV 112-3: Make Piggable (8/4/2025 - 8/25/2025)

Station 204

(Segment 204 BH)

1,827

1731

(96)

1731

(96)

1282

(545)

1338

(489)

MLV 204-2 to MLV 200-2: Pig Runs - Cal 8/7/25 (M) (8/7/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Cleaning / Gauge 8/5/25 (M) (8/5/2025) MLV 204-2 to MLV 200-2: Pig Runs - EMAT 8/21/25 (M) (8/21/2025)

MLV 204-2 to MLV 200-2: Pig Runs - MFL-A Combo 8/12/25 (M) (8/12/2025) MLV 204-2 to MLV 200-2: Pig Runs - MFL-C 8/19/25 (M) (8/19/2025)

MLV 204-2 to MLV 200-2: Pig Runs - Residual 8/14/25 (M) (8/14/2025) MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025)

MLV 214-1 to MLV 209-1: Pig Re-Runs - EMAT 8/26/25 (8/26/2025)

MLV 219-4 to MLV 214-4: Pig Runs - MFL-A Combo 8/21/25 (8/21/2025)

Station 237

(segment 237 FH)

1,017

925

(92)

557

(460)

557

(460)

557

(460)

MLV 236-1 to MLV 237-1BR: Special Permit Replacement (M) (8/11/2025 - 9/12/2025)

Station 237: Annual ESD Test (8/5/2025)

Station 237: Point to Point and Trans Cals (8/6/2025)

Station 245

(segment 245 FH)

997

997

925

(72)

997

Sta 241: Unit 1A - Device and Relief Valve Tests (8/11/2025) Sta 241: Unit 1B - Device and Relief Valve Tests (8/13/2025) Sta 241: Unit 2A - Device and Relief Valve Tests (8/12/2025)

Sta 241: Unit 2B - Device and Relief Valve Tests (8/14/2025)

Station 261 Discharge East (segment 261

FH)

941

941

MLV 265

(segment 265 FH)

767

767

450

(317)

450

(317)

450

(317)

MLV 263-2 to 264-2: Pipe Replacement (8/12/2025 - 8/30/2025)

Fitchburg Lat to Gloucester (segment 268

FH)

202

185

(17)

185

(17)

185

(17)

202

MLV 270C-101.1 to MLV 270C-101BL: Anomaly Remediation (M) (8/4/2025 - 8/22/2025)

Station 307

(segment 307 BH)

1,148

750

(398)

1,148

930

(218)

1,148

Sta 219: Annual ESD Test (8/4/2025 - 8/7/2025)

Sta 219: Unit 13A - Mounting Valve Operators / Testing (8/4/2025 - 8/7/2025) Sta 219: Unit 13A - Unit Valve Replacement (8/4/2025 - 8/7/2025)

Sta 219: Unit 1B - Protective Device Checks (8/4/2025 - 8/7/2025) Sta 307 (Pigeon ): Annual ESD Test (8/4/2025 - 8/8/2025)

Sta 307: Unit 5A - Protective Device Checks (8/4/2025 - 8/5/2025) Sta 307: Unit 6A - Protective Device Checks (8/6/2025 - 8/8/2025) Sta 313 Coudersport: Annual ESD Test (8/19/2025 - 8/21/2025)

Station 315

(segment 315 BH)

1,854

1,854

Station 321

(segment 321 FH)

2,102

1965

(137)

2,102

MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025)

MLV 324

(segment 324 FH)

1,767

1,767

						-Primary impact restrictions may be necessary
	TGP - Outage Impact Report					-Major impact restrictions may be necessary
	August 2025 (updated 06/05/25)					-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 (8/4 - 8/10)	Week 2 (8/11 - 8/17)	Week 3 (8/18 - 8/24)	Week 4 (8/25 - 8/31)	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)	803	803	803	803	803
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 394820

Error

Error