Tennessee Gas Pipeline Notice 401004

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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:  04/30/2026 2:34:20PM Notice End Date/Time:  05/01/2026 9:00:00am
Post Date/Time:  4/30/2026 2:34:20 PM Notice ID: 401004
Reqrd Rsp:  1 Rsp Date:  04/30/2026
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  TGP Outage Impact Report
Notice Text:

TGP - Outage Impact Report Seven Day Forecast (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(5/4)

Tuesday

(5/5)

Wednesday

(5/6)

Thursday

(5/7)

Friday

(5/8)

Saturday

(5/9)

Sunday

(5/10)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026)

Station 25

(segment 125 FH)

 

1,078

1060

(18)

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter (4/24/2026 - 5/4/2026)

Station 32 South

(segment 132 FH)

 

1,275

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1,275

 

1,275

MLV 37-2 to MLV 38-2: Anomaly Remediation (4/20/2026 - 5/8/2026)

Carthage Lateral

(segment 700 FH)

 

296

 

296

 

296

 

296

180

(116)

 

296

 

296

 

296

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

Station 47

(segment 143 FH)

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

Station 63

(segment 163 FH)

 

1,242

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

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

MLV 822 West

(segment 820 FH)

 

724

 

724

 

724

150

(574)

 

724

 

724

 

724

 

724

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

MLV 822 East

(segment 822 BH)

 

972

 

972

150

(822)

 

972

 

972

 

972

 

972

 

972

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

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

Sta 834: Unit 1A - Replace Insulation Blanket (5/5/2026 - 5/6/2026) Sta 834: Unit 2A - Replace Insulation Blanket (5/7/2026 - 5/8/2026)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 5/15/2026)

Station 523

(segment 523 FH)

 

432

325

(107)

325

(107)

 

432

 

432

 

432

 

432

 

432

Sta 523: Unit 2B - High Pressure Actuator (5/4/2026 - 5/5/2026)

Station 527

(segment 527 BH)

 

2,395

2340

(55)

2340

(55)

2340

(55)

1750

(645)

2340

(55)

2340

(55)

2340

(55)

Sta 527: Unit 1C - High Vibration (2/4/2026 - 5/15/2026) Sta. 527 Port Sulphur: Annual ESD Test (5/7/2026)

 

Station 534 South of Pool (segment 530 BH)

 

 

1,550

 

 

1528

(22)

 

 

1528

(22)

 

 

1528

(22)

 

 

1365

(185)

 

 

1528

(22)

 

 

1528

(22)

 

 

1528

(22)

Sta 530: Annual ESD Test (5/7/2026)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

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

5/29/2026)

MLV 548

(segment 542 BH)

 

1,647

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 5/15/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 5/15/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

MLV 552-2 to MLV 553-2: Pipeline Recoat (5/4/2026 - 5/15/2026) Sta 546: Unit 1A - Unit Maintenance (5/4/2026 - 5/5/2026)

Sta 550: Unit 3A - Overhaul (4/6/2026 - 5/18/2026) Sta 555: Unit 1A - Water Pump (4/13/2026 - 5/8/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

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

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,685

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 5/31/2026) Sta 871: Unit 3A - Main Bearing (8/22/2025 - 5/31/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

Station 204

(Segment 204 BH)

 

1,828

 

1,828

1720

(108)

 

1,828

1720

(108)

 

1,828

 

1,828

 

1,828

MLV 214-2 to MLV 219-2: Pig Run - EMAT (M) (5/7/2026) MLV 214-2 to MLV 219-2: Pig Run - MFL-C (M) (5/5/2026)

Station 245

(segment 245 FH)

 

986

 

750

(236)

 

750

(236)

 

750

(236)

 

750

(236)

 

750

(236)

 

970

(16)

 

970

(16)

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

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

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 321

(segment 321 FH)

 

2,102

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

Sta 321: Unit 1C - Emergent Repair (4/20/2026 - 5/8/2026)

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

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


TGP - Outage Impact Report Seven Day Forecast (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(5/4)

Tuesday

(5/5)

Wednesday

(5/6)

Thursday

(5/7)

Friday

(5/8)

Saturday

(5/9)

Sunday

(5/10)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

1450

(317)

1450

(317)

 

1,767

 

1,767

Sta 325: Station Outage (5/7/2026 - 5/8/2026)

MLV 336 East

(segment 336 FH)

 

153

 

153

 

153

150

(3)

150

(3)

150

(3)

150

(3)

150

(3)

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

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

794

 

794

 

794

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report May 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-Minor impact restrictions may be necessary depending on flow conditions

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

564

 

 

564

 

325

(239)

 

564

Sta 409: Annual ESD Test & Maintenance (5/19/2026 - 5/21/2026)

MLV 406

(segment 406 BH)

 

456

 

200

(256)

 

456

 

456

MLV 400-1 to MLV 409-1: Pig Run - Maintenance Cleaning (M) (5/12/2026) MLV 400-2 to MLV 409-2: Pig Run - Maintenance Cleaning (M) (5/14/2026)

Station 1

(segment 101 BH)

 

399

 

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

 

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026)

Station 25

(segment 125 FH)

 

1,078

 

 

1,078

 

1,078

 

1,078

 

Station 32 South

(segment 132 FH)

 

1,275

 

 

950

(325)

 

1,275

 

1,275

MLV 32-2 to MLV 40-2S: Pig Run - Maintenance (5/12/2026) MLV 32-3 to MLV 40-3S: Pig Run - Maintenance (5/13/2026)

Carthage Lateral (segment 700

FH)

 

296

 

180

(116)

 

296

 

296

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

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

 

 

Station 47

(segment 143 FH)

 

 

 

1,343

 

 

 

 

1045

(298)

 

 

 

1050

(293)

 

 

 

1025

(318)

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

MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/11/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/12/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/13/2026) MLV 55-1 to MLV 56-1: PHMSA Immediate (5/12/2026 - 6/26/2026)

Sta. 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (5/25/2026 -

5/29/2026)

Station 63

(segment 163 FH)

 

1,242

 

1117

(125)

1117

(125)

1117

(125)

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

Station 823

(segment 823 BH)

 

734

 

 

734

640

(94)

 

734

Sta 823 (Kinder): Annual ESD Test (5/19/2026 - 5/21/2026)

 

 

Station 834

(segment 834 BH)

 

 

 

683

 

 

 

590

(93)

 

 

150

(533)

 

 

674

(9)

Sta 834 to Sta 827: Maintenance Pig (5/21/2026) Sta 834: Station Outage (5/13/2026 - 5/14/2026)

Sta 834: Unit 1A - Turbocharger (5/11/2026 - 5/22/2026)

Sta 834: Unit 3A - Replace Insulation Blanket (5/12/2026 - 5/13/2026) Sta 834: Unit 4A - Replace Insulation Blanket (5/14/2026 - 5/15/2026) Sta 834: Unit 6A - Overhaul (3/3/2025 - 5/15/2026)

Sta 834: Unit 7A - Turbocharger/Overhaul (5/25/2026 - 6/4/2026)

Station 527

(segment 527 BH)

 

2,395

 

2340

(55)

 

2,395

 

2,395

Sta 527: Unit 1C - High Vibration (2/4/2026 - 5/15/2026)

 

Station 534 South of Pool (segment 530 BH)

 

 

1,550

 

 

 

1528

(22)

 

 

1528

(22)

 

 

1370

(180)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

Sta 534: Annual ESD Test (5/26/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/29/2026)

MLV 548

(segment 542 BH)

 

1,647

 

 

1435

(212)

 

1635

(12)

 

1635

(12)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 5/15/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 5/15/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

 

 

1580

(13)

 

 

800

(793)

 

 

800

(793)

MLV 551-2 to MLV 552-2: Anomaly Remediation (5/18/2026 - 5/29/2026) MLV 552-2 to MLV 553-2: Anomaly Remediation (5/11/2026 - 5/15/2026) MLV 552-2 to MLV 553-2: Pipeline Recoat (5/4/2026 - 5/15/2026)

MLV 553-1A to MLV 554-1: Anomaly Remediation (5/18/2026 - 5/22/2026) Sta 550: Unit 3A - Overhaul (4/6/2026 - 5/18/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

 

1500

(374)

 

1500

(374)

 

1846

(28)

Sta 563 Joelton: Scrubber Filter Changeout (5/18/2026 - 5/20/2026) Sta 563 Joelton: Unit 2A - Solar Turbine Exchange (5/11/2026 - 5/22/2026)

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


 

TGP - Outage Impact Report May 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-Minor impact restrictions may be necessary depending on flow conditions

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

 

2,685

 

 

 

 

 

 

1895

(790)

 

 

 

 

 

1697

(988)

 

 

 

 

 

1697

(988)

MLV 104-1 to MLV 105-1: Anomaly Remediation (5/27/2026 - 6/10/2026)

MLV 109-3: Crossover to Ln 4 Valve Replacements (5/18/2026 - 5/26/2026) MLV 109-3: Crossover to Ln 5 Valve Replacements (5/27/2026 - 6/10/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 87-3 to MLV 96-3: Pig Run - AFD (5/19/2026)

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

MLV 874-2A to MLV 874-2B: Anomaly Remediation (5/18/2026 - 5/30/2026) MLV 874-2B to MLV 874-2: Anomaly Remediation (5/18/2026 - 5/30/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 5/31/2026)

Sta 871: Unit 3A - Main Bearing (8/22/2025 - 5/31/2026)

Station 114

(segment 114 BH)

 

907

 

 

907

 

907

 

907

 

 

Station 204

(Segment 204 BH)

 

 

1,828

 

 

 

1,828

 

1815

(13)

 

1270

(558)

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026) MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026) MLV 207-4 to MLV 209-4: Replace MLV 208-4 (M) (5/27/2026 - 6/10/2026)

MLV 214-3 to MLV 215-3: Anomaly Remediation (5/18/2026 - 5/23/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

 

490

(496)

 

 

490

(496)

 

 

720

(266)

MLV 237-2 to MLV 245-2: Pig Run - CAL/IMU (M) (5/19/2026)

MLV 237-2 to MLV 245-2: Pig Run - Gauge/Cleaning Tool (M) (5/12/2026) MLV 237-2 to MLV 245-2: Pig Run - MFL-A (M) (5/21/2026)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 249: Annual ESD Test & Maintenance (5/19/2026 - 5/25/2026)

Station 254

(segment 256 FH)

 

1,203

 

 

925

(278)

 

1,203

 

630

(573)

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

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

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

Station 261 Discharge East (segment 261

FH)

 

888

 

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

 

1,153

1005

(148)

 

1,153

Sta 310: Unit 1A - Water Washes and Borescope (5/19/2026 - 5/20/2026)

Station 315

(segment 315 BH)

 

1,823

 

 

1,823

 

1,823

1400

(423)

Sta 315 Wellsboro: Annual ESD Test (5/26/2026)

Station 321

(segment 321 FH)

 

2,102

 

1820

(282)

1820

(282)

 

2,102

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

MLV 324

(segment 324 FH)

 

1,767

 

 

1,767

 

1,767

 

1,767

 

MLV 336 East

(segment 336 FH)

 

153

 

150

(3)

150

(3)

 

153

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

Station 405 HC Line (segment 299

FH)

 

794

 

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report June 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/1 - 6/7)

Week 2

(6/8 - 6/14)

Week 3

(6/15 - 6/21)

Week 4

(6/22 - 6/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

274

 

274

 

274

 

274

 

125

(149)

MLV 409A-101.1 to MLV 409A-103: Pig Runs - Cleaning / Gauge (M) (6/23/2026) MLV 409A-101.1 to MLV 409A-103: Pig Runs - EMAT (M) (6/25/2026)

MLV 409A-101.1 to MLV 409A-103: Pig Runs - MFL-C (M) (6/24/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

1104

(18)

1104

(18)

1000

(122)

1000

(122)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (6/17/2026 - 7/17/2026)

Station 25

(segment 125 FH)

 

1,078

1055

(23)

1055

(23)

1055

(23)

930

(148)

MLV 26-1 Relocation: Highway 59 Widening (6/6/2026 - 6/23/2026) MLV 26-2 Relocation: Highway 59 Widening (6/25/2026 - 7/13/2026)

Station 47

(segment 143 FH)

 

1,343

1330

(13)

1300

(43)

1330

(13)

1330

(13)

MLV 40-3D to MLV 47-3S: Pig Run - Maintenance Cleaning (6/9/2026) MLV 55-1 to MLV 56-1: PHMSA Immediate (5/12/2026 - 6/26/2026)

Station 63

(segment 163 FH)

 

1,242

1117

(125)

1117

(125)

1117

(125)

901

(341)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 77-3 to MLV 77-3A: Pipe Replacements (6/22/2026 - 6/30/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

 

 

Station 834

(segment 834 BH)

 

 

 

683

 

 

 

674

(9)

 

 

 

220

(463)

 

 

 

220

(463)

 

 

 

590

(93)

Sta 827 (Alexandria): Annual ESD and Maintenance (6/8/2026 - 6/11/2026) Sta 827 to Sta 823: Pig Run - Maintenance (M) (6/8/2026)

Sta 834 to Sta 827: Pig Run - BH Combo 6/11/26 (M) (6/11/2026) Sta 834 to Sta 827: Pig Run - BH Hard Spot 6/15/26 (M) (6/15/2026)

Sta 834 to Sta 827: Pig Run - Cleaning / Gauge 6/8/26 to 6/10/26 (M) (6/8/2026 - 6/10/2026)

Sta 834: Scrubber Filter Changeout (6/24/2026 - 6/26/2026)

Sta 834: Unit 7A - Turbocharger/Overhaul (5/25/2026 - 6/4/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

MLV 548

(segment 542 BH)

 

1,647

1635

(12)

1635

(12)

1635

(12)

1635

(12)

Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Station 860

(segment 548 BH)

 

1,593

1550

(43)

 

1,593

 

1,593

 

1,593

MLV 557-3 to MLV 559-3: Pig Runs - Cal / IMU & MFL-A 6/4/26 (6/4/2026)

MLV 557-3 to MLV 559-3: Pig Runs - Cleaning / Gauge 6/2/26 (6/2/2026) Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860 BH)

 

 

1,874

 

1846

(28)

 

1500

(374)

 

1846

(28)

 

1846

(28)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Annual ESD Test & Maintenance (6/8/2026 - 6/12/2026)

Sta 860: Scrubber/Filter/Separator Clean, Inspect & Filter Change (5/11/2026 - 5/15/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

1952

(733)

 

 

 

 

1667

(1018)

 

 

 

 

2386

(299)

 

 

 

 

2393

(292)

MLV 104-1 to MLV 105-1: Anomaly Remediation (5/27/2026 - 6/10/2026) MLV 109-3: Crossover to Ln 5 Valve Replacements (5/27/2026 - 6/10/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 106 Clay City: Annual ESD Test & Maintenance (6/2/2026 - 6/5/2026) Sta 110 Morehead: Annual ESD Test & Substation Inspection (6/8/2026 - 6/12/2026)

Sta 87: Unit 3D - Power side Overhaul (6/1/2026 - 9/30/2026) Sta 871 Campbellsville: Annual ESD Test (6/23/2026)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/16/2026 - 6/19/2026) Sta. 106: C Building - Install Water Trech System (6/8/2026 - 6/12/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

Station 200

(segment 200 BH)

 

1,766

 

1,766

 

1,766

1485

(281)

 

1,766

Sta 200 Greenup: Annual ESD Test (6/16/2026 - 6/19/2026)

Station 204

(Segment 204 BH)

 

1,828

 

1270

(558)

 

1270

(558)

 

1,828

 

1,828

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026) MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026)

MLV 207-4 to MLV 209-4: Replace MLV 208-4 (M) (5/27/2026 - 6/10/2026)


 

TGP - Outage Impact Report June 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/1 - 6/7)

Week 2

(6/8 - 6/14)

Week 3

(6/15 - 6/21)

Week 4

(6/22 - 6/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 219 to

Station 224

(Segment 219 FH)

 

539

 

539

 

539

 

140

(399)

 

539

MLV 219-1D to MLV 224-1: Pig Run - Maintenance (6/16/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

830

(156)

 

 

830

(156)

 

 

735

(251)

 

 

830

(156)

Sta 241: Annual ESD Test (6/16/2026)

Sta 241: Unit 1B - Oil System (6/2/2026 - 6/4/2026) Sta 241: Unit 2B - Oil System (6/9/2026 - 6/11/2026)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 249: Unit 2B - 25k Overhaul (6/1/2026 - 6/26/2026)

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

965

(188)

1110

(43)

 

1,153

 

1,153

Sta 219: Unit 1B - Protective Device Checks & GHG (6/8/2026 - 6/12/2026) Sta 303A: Annual ESD Test & Maintenance (6/1/2026 - 6/5/2026)

Sta 307: Unit 3A - Turbocharger swap (6/8/2026 - 6/12/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 317

(segment 317 BH)

 

1,548

900

(648)

 

1,548

 

1,548

 

1,548

MLV 317-2 to MLV 315-2: Pig run - Cleaning (6/2/2026)

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

MLV 329

(segment 324 FH)

 

846

 

846

155

(691)

 

846

 

846

MLV 325-1 to MLV 329-1: Pig runs - Cal/IMU (M) (6/10/2026)

MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge (M) (6/9/2026) MLV 325-1 to MLV 329-1: Pig runs - MFL-C (M) (6/11/2026)

Cranston Lateral South

(segment 281

FH)

 

187

 

187

 

187

 

187

 

150

(37)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Cal/IMU (M) (6/23/2026) ; MLV

265E-101.1 to MLV 265E-104: PIG RUNS - Gauge/Cleaning tool (M) (6/22/2026)

; MLV 265E-101.1 to MLV 265E-104: PIG RUNS - MFL-A (M) (6/24/2026)

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report July 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/29 - 7/5)

Week 2

(7/6 - 7/12)

Week 3

(7/13 - 7/19)

Week 4

(7/20 - 7/26)

Week 5

(7/27 - 8/2)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

710

(259)

MLV 11-1A to MLV 11-1: Anomaly Remediation (7/27/2026 - 8/14/2026)

MLV 13-1 to MLV 12-1: Anomaly Remediation (7/27/2026 - 8/13/2026) MLV 9-1D to MLV 10-1: Anomaly Remediation (7/27/2026 - 8/14/2026)

Station 17

(segment 117 FH)

 

1,122

1000

(122)

1000

(122)

1000

(122)

1100

(22)

1100

(22)

MLV 19-1 TO MLV 20-1A: Pipe Replacement (M) (7/21/2026 - 8/20/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (6/17/2026 - 7/17/2026)

Station 25

(segment 125 FH)

 

1,078

930

(148)

930

(148)

925

(153)

775

(303)

925

(153)

MLV 26-2 Relocation: Highway 59 Widening (6/25/2026 - 7/13/2026)

MLV 26-3 Relocation: Highway 59 Widening (M) (7/14/2026 - 7/31/2026) Sta 25: Annual ESD Test (7/21/2026)

Station 47

(segment 143 FH)

 

1,343

 

1295

(48)

 

1085

(258)

 

960

(383)

 

1,343

 

1,343

MLV 40-1D to MLV 47-1S: Pig Run - Maintenance (7/14/2026) MLV 40-4D to MLV 47-4S: Pig Run - Maintenance (7/9/2026)

Sta. 47: Station Transformer Maintenance (7/13/2026 - 7/14/2026)

Sta. 47: Unit 1D - 16K hour Overhaul (6/29/2026 - 7/10/2026)

Station 63

(segment 163 FH)

 

1,242

901

(341)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 77-3 to MLV 77-3A: Pipe Replacements (6/22/2026 - 6/30/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 823 Muskrat Line (segment 509

BH)

 

231

 

130

(101)

 

231

 

231

 

231

 

231

Sta 823 to MLV 516: Pig Run - Maintenance (M) (6/30/2026)

MLV 516

Muskrat Line (segment 516 FH)

 

241

 

241

 

100

(141)

 

241

 

241

 

241

Sta 523 to MLV 516: Pig Run - Chemical Cleaning / Gauge 7/6/26 to 7/10/26 (M) (7/6/2026 - 7/10/2026)

Sta 523 to MLV 516: Pig Run - MFL-A 7/11/26 (M) (7/11/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

MLV 548

(segment 542 BH)

 

1,647

1640

(7)

1640

(7)

1640

(7)

1640

(7)

1640

(7)

Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026)

Station 860

(segment 548 BH)

 

1,593

 

1,593

 

1,593

 

1,593

1430

(163)

 

1,593

Sta 555: Scrubber/Filter/Separator Clean, Inspect & Filter Change (7/21/2026 - 7/22/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

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

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

 

2534

(151)

 

 

 

 

 

2358

(327)

 

 

 

 

 

2151

(534)

 

 

 

 

 

2151

(534)

 

 

 

 

 

2358

(327)

MLV 107-7 to 110-7: Valve Installation & Crossover Work (7/7/2026 - 7/27/2026)

MLV 109-4 to 110-4: Valve Installation & Crossover Work (7/28/2026 - 8/11/2026)

MLV 109-4 to MLV 110-4: Pipe Replacement (7/28/2026 - 8/11/2026) MLV 109-7 to MLV 110-7: Pipe Replacement (7/7/2026 - 7/27/2026)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/1/2026 - 9/30/2026)

Sta 96 Campbellsville: Annual ESD Test (7/21/2026 - 7/22/2026)

Sta 96 Campbellsville: Annual Substation Inspection (7/13/2026 - 7/16/2026) Sta 96: Unit 2D Replace Compressor Valves (7/5/2026 - 7/9/2026)

Station 114

(segment 114 BH)

 

907

600

(307)

 

907

 

907

 

907

 

907

Sta 114: Unit 1D - Solar Turbine Inspection (6/29/2026 - 7/1/2026)

Station 204

(Segment 204 BH)

 

1,828

 

1,828

 

1,828

 

1,828

 

1,828

 

1,828

 

Station 230C (segment 296

FH)

 

743

 

743

 

743

370

(373)

 

743

 

743

Sta 230C: Annual ESD (M) (7/13/2026 - 7/14/2026)

Station 237

(segment 237 FH)

 

1,006

 

1,006

 

1,006

 

1,006

 

1,006

780

(226)

MLV 237-1 to MLV 245-1: Pig Run - Cleaning/Gauge (7/27/2026) MLV 237-1 to MLV 245-1: Pig Run - MFL-C (7/29/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

970

(16)

 

970

(16)

 

760

(226)

 

970

(16)

 

970

(16)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 245-1 to MLV 249-1: Pig Run - Cal/IMU (7/15/2026)

Sta 245-1 to MLV 249-1: Pig Run - Gauge/Cleaning tool (7/14/2026) Sta 245-1 to MLV 249-1: Pig Run - MFL-C (7/16/2026)

MLV 256 West

(segment 249 FH)

 

1,203

 

1,203

 

1,203

 

1,203

1080

(123)

 

1,203

MLV 249-3A to MLV 251-3: Pig Run - Cal/IMU/MFL-A Combo (7/21/2026)

MLV 249-3A to MLV 251-3: Pig Run - Gauge/Cleaning tool (7/20/2026)


 

TGP - Outage Impact Report July 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/29 - 7/5)

Week 2

(7/6 - 7/12)

Week 3

(7/13 - 7/19)

Week 4

(7/20 - 7/26)

Week 5

(7/27 - 8/2)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

888

 

 

Station 307

(segment 307 BH)

 

 

1,153

 

 

1,153

 

 

1,153

 

 

1,153

 

1115

(38)

 

1115

(38)

Sta 219: Unit 1B - Save Air System (7/20/2026 - 7/31/2026)

Sta 307: Unit 1A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 2A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 3A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 4A - Protective Device Checks (7/20/2026 - 7/24/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 321

(segment 321 FH)

 

2,102

 

2,102

 

2,102

 

2,102

1715

(387)

 

2,102

Sta 321: Station Valves for ESD System (7/21/2026 - 7/23/2026)

MLV 324

(segment 324 FH)

 

1,767

 

1,767

1735

(32)

 

1,767

 

1,767

 

1,767

Sta 325: Units 4A - Water Wash & Borescope (7/6/2026 - 7/7/2026)

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

680

(114)

 

794

 

794

 

794

Sta 405A: Annual ESD Test / Filter Scrubber (7/7/2026 - 7/9/2026)

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

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

 

TSP/TSP Name:  1939164-TENNESSEE GAS PIPELINE Critical: Y
Notice Type Desc (1):  MAINTENANCE Notice Type Desc (2):  MAINTENANCE
Notice Eff Date/Time:  04/30/2026 2:34:20PM Notice End Date/Time:  05/01/2026 9:00:00am
Post Date/Time:  4/30/2026 2:34:20 PM Notice ID: 401004
Reqrd Rsp:  1 Rsp Date:  04/30/2026
Notice Stat Desc:  INITIATE Prior Notice: 
Subject:  TGP Outage Impact Report
Notice Text:

TGP - Outage Impact Report Seven Day Forecast (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(5/4)

Tuesday

(5/5)

Wednesday

(5/6)

Thursday

(5/7)

Friday

(5/8)

Saturday

(5/9)

Sunday

(5/10)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409

(Donna Line) (segment 490 FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026)

Station 25

(segment 125 FH)

 

1,078

1060

(18)

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

 

1,078

MLV 27-1 to MLV 27-1A: Meter Maintenance - TIP Coley Creek Meter (4/24/2026 - 5/4/2026)

Station 32 South

(segment 132 FH)

 

1,275

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1040

(235)

 

1,275

 

1,275

MLV 37-2 to MLV 38-2: Anomaly Remediation (4/20/2026 - 5/8/2026)

Carthage Lateral

(segment 700 FH)

 

296

 

296

 

296

 

296

180

(116)

 

296

 

296

 

296

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

Station 47

(segment 143 FH)

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

1,343

 

Station 63

(segment 163 FH)

 

1,242

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

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

MLV 822 West

(segment 820 FH)

 

724

 

724

 

724

150

(574)

 

724

 

724

 

724

 

724

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

MLV 822 East

(segment 822 BH)

 

972

 

972

150

(822)

 

972

 

972

 

972

 

972

 

972

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

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 834

(segment 834 BH)

 

683

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

674

(9)

Sta 834: Unit 1A - Replace Insulation Blanket (5/5/2026 - 5/6/2026) Sta 834: Unit 2A - Replace Insulation Blanket (5/7/2026 - 5/8/2026)

Sta 834: Unit 6A - Overhaul (3/3/2025 - 5/15/2026)

Station 523

(segment 523 FH)

 

432

325

(107)

325

(107)

 

432

 

432

 

432

 

432

 

432

Sta 523: Unit 2B - High Pressure Actuator (5/4/2026 - 5/5/2026)

Station 527

(segment 527 BH)

 

2,395

2340

(55)

2340

(55)

2340

(55)

1750

(645)

2340

(55)

2340

(55)

2340

(55)

Sta 527: Unit 1C - High Vibration (2/4/2026 - 5/15/2026) Sta. 527 Port Sulphur: Annual ESD Test (5/7/2026)

 

Station 534 South of Pool (segment 530 BH)

 

 

1,550

 

 

1528

(22)

 

 

1528

(22)

 

 

1528

(22)

 

 

1365

(185)

 

 

1528

(22)

 

 

1528

(22)

 

 

1528

(22)

Sta 530: Annual ESD Test (5/7/2026)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

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

5/29/2026)

MLV 548

(segment 542 BH)

 

1,647

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

 

1435

(212)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 5/15/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 5/15/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

 

1580

(13)

MLV 552-2 to MLV 553-2: Pipeline Recoat (5/4/2026 - 5/15/2026) Sta 546: Unit 1A - Unit Maintenance (5/4/2026 - 5/5/2026)

Sta 550: Unit 3A - Overhaul (4/6/2026 - 5/18/2026) Sta 555: Unit 1A - Water Pump (4/13/2026 - 5/8/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

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

Station 110

(segment 187 BH)

(south thru

Kentucky)

 

 

2,685

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

 

2392

(293)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 5/31/2026) Sta 871: Unit 3A - Main Bearing (8/22/2025 - 5/31/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

907

 

Station 204

(Segment 204 BH)

 

1,828

 

1,828

1720

(108)

 

1,828

1720

(108)

 

1,828

 

1,828

 

1,828

MLV 214-2 to MLV 219-2: Pig Run - EMAT (M) (5/7/2026) MLV 214-2 to MLV 219-2: Pig Run - MFL-C (M) (5/5/2026)

Station 245

(segment 245 FH)

 

986

 

750

(236)

 

750

(236)

 

750

(236)

 

750

(236)

 

750

(236)

 

970

(16)

 

970

(16)

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

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

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

1,153

 

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 321

(segment 321 FH)

 

2,102

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

 

1820

(282)

Sta 321: Unit 1C - Emergent Repair (4/20/2026 - 5/8/2026)

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

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


TGP - Outage Impact Report Seven Day Forecast (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(5/4)

Tuesday

(5/5)

Wednesday

(5/6)

Thursday

(5/7)

Friday

(5/8)

Saturday

(5/9)

Sunday

(5/10)

 

Primary Outage(s) that may Impact Throughput

Est. Operational Capacity (Operational Impact) - Thousand Dth

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

1450

(317)

1450

(317)

 

1,767

 

1,767

Sta 325: Station Outage (5/7/2026 - 5/8/2026)

MLV 336 East

(segment 336 FH)

 

153

 

153

 

153

150

(3)

150

(3)

150

(3)

150

(3)

150

(3)

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

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

794

 

794

 

794

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report May 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-Minor impact restrictions may be necessary depending on flow conditions

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

564

 

 

564

 

325

(239)

 

564

Sta 409: Annual ESD Test & Maintenance (5/19/2026 - 5/21/2026)

MLV 406

(segment 406 BH)

 

456

 

200

(256)

 

456

 

456

MLV 400-1 to MLV 409-1: Pig Run - Maintenance Cleaning (M) (5/12/2026) MLV 400-2 to MLV 409-2: Pig Run - Maintenance Cleaning (M) (5/14/2026)

Station 1

(segment 101 BH)

 

399

 

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

 

1104

(18)

1104

(18)

1104

(18)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026)

Station 25

(segment 125 FH)

 

1,078

 

 

1,078

 

1,078

 

1,078

 

Station 32 South

(segment 132 FH)

 

1,275

 

 

950

(325)

 

1,275

 

1,275

MLV 32-2 to MLV 40-2S: Pig Run - Maintenance (5/12/2026) MLV 32-3 to MLV 40-3S: Pig Run - Maintenance (5/13/2026)

Carthage Lateral (segment 700

FH)

 

296

 

180

(116)

 

296

 

296

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

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

 

 

Station 47

(segment 143 FH)

 

 

 

1,343

 

 

 

 

1045

(298)

 

 

 

1050

(293)

 

 

 

1025

(318)

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

MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/11/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/12/2026) MLV 47-4D to MLV 54-4S: Pig Run - Gauge Cleaning (M) (5/13/2026) MLV 55-1 to MLV 56-1: PHMSA Immediate (5/12/2026 - 6/26/2026)

Sta. 47: Scrubber/Filter/Separator Cleaning/Inspection/Changeout (5/25/2026 -

5/29/2026)

Station 63

(segment 163 FH)

 

1,242

 

1117

(125)

1117

(125)

1117

(125)

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

Station 823

(segment 823 BH)

 

734

 

 

734

640

(94)

 

734

Sta 823 (Kinder): Annual ESD Test (5/19/2026 - 5/21/2026)

 

 

Station 834

(segment 834 BH)

 

 

 

683

 

 

 

590

(93)

 

 

150

(533)

 

 

674

(9)

Sta 834 to Sta 827: Maintenance Pig (5/21/2026) Sta 834: Station Outage (5/13/2026 - 5/14/2026)

Sta 834: Unit 1A - Turbocharger (5/11/2026 - 5/22/2026)

Sta 834: Unit 3A - Replace Insulation Blanket (5/12/2026 - 5/13/2026) Sta 834: Unit 4A - Replace Insulation Blanket (5/14/2026 - 5/15/2026) Sta 834: Unit 6A - Overhaul (3/3/2025 - 5/15/2026)

Sta 834: Unit 7A - Turbocharger/Overhaul (5/25/2026 - 6/4/2026)

Station 527

(segment 527 BH)

 

2,395

 

2340

(55)

 

2,395

 

2,395

Sta 527: Unit 1C - High Vibration (2/4/2026 - 5/15/2026)

 

Station 534 South of Pool (segment 530 BH)

 

 

1,550

 

 

 

1528

(22)

 

 

1528

(22)

 

 

1370

(180)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

Sta 534: Annual ESD Test (5/26/2026)

Sta 534: Unit 6A - Piston Liner & Unloader Replacements (3/25/2025 - 5/29/2026)

MLV 548

(segment 542 BH)

 

1,647

 

 

1435

(212)

 

1635

(12)

 

1635

(12)

Sta 542: Unit 1A - Emergent Repair (1/1/2026 - 5/15/2026) Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Sta 546: Unit 7A - Metal in Oil (7/14/2025 - 5/15/2026)

 

Station 860

(segment 548 BH)

 

 

1,593

 

 

 

1580

(13)

 

 

800

(793)

 

 

800

(793)

MLV 551-2 to MLV 552-2: Anomaly Remediation (5/18/2026 - 5/29/2026) MLV 552-2 to MLV 553-2: Anomaly Remediation (5/11/2026 - 5/15/2026) MLV 552-2 to MLV 553-2: Pipeline Recoat (5/4/2026 - 5/15/2026)

MLV 553-1A to MLV 554-1: Anomaly Remediation (5/18/2026 - 5/22/2026) Sta 550: Unit 3A - Overhaul (4/6/2026 - 5/18/2026)

Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

 

1500

(374)

 

1500

(374)

 

1846

(28)

Sta 563 Joelton: Scrubber Filter Changeout (5/18/2026 - 5/20/2026) Sta 563 Joelton: Unit 2A - Solar Turbine Exchange (5/11/2026 - 5/22/2026)

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


 

TGP - Outage Impact Report May 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-Minor impact restrictions may be necessary depending on flow conditions

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

 

Station # / Lateral

Est Nominal Operating Capacity (Thousand Dth)

Week 1

(5/4 - 5/10)

Week 2

(5/11 - 5/17)

Week 3

(5/18 - 5/24)

Week 4

(5/25 - 5/31)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

 

2,685

 

 

 

 

 

 

1895

(790)

 

 

 

 

 

1697

(988)

 

 

 

 

 

1697

(988)

MLV 104-1 to MLV 105-1: Anomaly Remediation (5/27/2026 - 6/10/2026)

MLV 109-3: Crossover to Ln 4 Valve Replacements (5/18/2026 - 5/26/2026) MLV 109-3: Crossover to Ln 5 Valve Replacements (5/27/2026 - 6/10/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 87-3 to MLV 96-3: Pig Run - AFD (5/19/2026)

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

MLV 874-2A to MLV 874-2B: Anomaly Remediation (5/18/2026 - 5/30/2026) MLV 874-2B to MLV 874-2: Anomaly Remediation (5/18/2026 - 5/30/2026) Sta 871: Unit 3A - Engine Crankshaft Inspection (8/22/2025 - 5/31/2026)

Sta 871: Unit 3A - Main Bearing (8/22/2025 - 5/31/2026)

Station 114

(segment 114 BH)

 

907

 

 

907

 

907

 

907

 

 

Station 204

(Segment 204 BH)

 

 

1,828

 

 

 

1,828

 

1815

(13)

 

1270

(558)

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026) MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026) MLV 207-4 to MLV 209-4: Replace MLV 208-4 (M) (5/27/2026 - 6/10/2026)

MLV 214-3 to MLV 215-3: Anomaly Remediation (5/18/2026 - 5/23/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

 

490

(496)

 

 

490

(496)

 

 

720

(266)

MLV 237-2 to MLV 245-2: Pig Run - CAL/IMU (M) (5/19/2026)

MLV 237-2 to MLV 245-2: Pig Run - Gauge/Cleaning Tool (M) (5/12/2026) MLV 237-2 to MLV 245-2: Pig Run - MFL-A (M) (5/21/2026)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 249: Annual ESD Test & Maintenance (5/19/2026 - 5/25/2026)

Station 254

(segment 256 FH)

 

1,203

 

 

925

(278)

 

1,203

 

630

(573)

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

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

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

Station 261 Discharge East (segment 261

FH)

 

888

 

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

 

 

1,153

1005

(148)

 

1,153

Sta 310: Unit 1A - Water Washes and Borescope (5/19/2026 - 5/20/2026)

Station 315

(segment 315 BH)

 

1,823

 

 

1,823

 

1,823

1400

(423)

Sta 315 Wellsboro: Annual ESD Test (5/26/2026)

Station 321

(segment 321 FH)

 

2,102

 

1820

(282)

1820

(282)

 

2,102

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

MLV 324

(segment 324 FH)

 

1,767

 

 

1,767

 

1,767

 

1,767

 

MLV 336 East

(segment 336 FH)

 

153

 

150

(3)

150

(3)

 

153

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

Station 405 HC Line (segment 299

FH)

 

794

 

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report June 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/1 - 6/7)

Week 2

(6/8 - 6/14)

Week 3

(6/15 - 6/21)

Week 4

(6/22 - 6/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409A (Alamo) (segment 492

FH)

 

274

 

274

 

274

 

274

 

125

(149)

MLV 409A-101.1 to MLV 409A-103: Pig Runs - Cleaning / Gauge (M) (6/23/2026) MLV 409A-101.1 to MLV 409A-103: Pig Runs - EMAT (M) (6/25/2026)

MLV 409A-101.1 to MLV 409A-103: Pig Runs - MFL-C (M) (6/24/2026)

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

 

Station 17

(segment 117 FH)

 

1,122

1104

(18)

1104

(18)

1000

(122)

1000

(122)

MLV 19-2 TO MLV 20-2A: Pipe Replacement (M) (4/28/2026 - 6/13/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (6/17/2026 - 7/17/2026)

Station 25

(segment 125 FH)

 

1,078

1055

(23)

1055

(23)

1055

(23)

930

(148)

MLV 26-1 Relocation: Highway 59 Widening (6/6/2026 - 6/23/2026) MLV 26-2 Relocation: Highway 59 Widening (6/25/2026 - 7/13/2026)

Station 47

(segment 143 FH)

 

1,343

1330

(13)

1300

(43)

1330

(13)

1330

(13)

MLV 40-3D to MLV 47-3S: Pig Run - Maintenance Cleaning (6/9/2026) MLV 55-1 to MLV 56-1: PHMSA Immediate (5/12/2026 - 6/26/2026)

Station 63

(segment 163 FH)

 

1,242

1117

(125)

1117

(125)

1117

(125)

901

(341)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 77-3 to MLV 77-3A: Pipe Replacements (6/22/2026 - 6/30/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

 

 

Station 834

(segment 834 BH)

 

 

 

683

 

 

 

674

(9)

 

 

 

220

(463)

 

 

 

220

(463)

 

 

 

590

(93)

Sta 827 (Alexandria): Annual ESD and Maintenance (6/8/2026 - 6/11/2026) Sta 827 to Sta 823: Pig Run - Maintenance (M) (6/8/2026)

Sta 834 to Sta 827: Pig Run - BH Combo 6/11/26 (M) (6/11/2026) Sta 834 to Sta 827: Pig Run - BH Hard Spot 6/15/26 (M) (6/15/2026)

Sta 834 to Sta 827: Pig Run - Cleaning / Gauge 6/8/26 to 6/10/26 (M) (6/8/2026 - 6/10/2026)

Sta 834: Scrubber Filter Changeout (6/24/2026 - 6/26/2026)

Sta 834: Unit 7A - Turbocharger/Overhaul (5/25/2026 - 6/4/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

MLV 548

(segment 542 BH)

 

1,647

1635

(12)

1635

(12)

1635

(12)

1635

(12)

Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026) Sta 542: Unit 3A - Emergent Repair (3/26/2026 - 6/28/2026)

Station 860

(segment 548 BH)

 

1,593

1550

(43)

 

1,593

 

1,593

 

1,593

MLV 557-3 to MLV 559-3: Pig Runs - Cal / IMU & MFL-A 6/4/26 (6/4/2026)

MLV 557-3 to MLV 559-3: Pig Runs - Cleaning / Gauge 6/2/26 (6/2/2026) Sta 555: Unit 5A - Foundation Regrout (1/20/2026 - 6/5/2026)

Station 860 North (Segment 860 BH)

 

 

1,874

 

1846

(28)

 

1500

(374)

 

1846

(28)

 

1846

(28)

Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2025 - 12/31/2026) Sta 860: Annual ESD Test & Maintenance (6/8/2026 - 6/12/2026)

Sta 860: Scrubber/Filter/Separator Clean, Inspect & Filter Change (5/11/2026 - 5/15/2026)

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

1952

(733)

 

 

 

 

1667

(1018)

 

 

 

 

2386

(299)

 

 

 

 

2393

(292)

MLV 104-1 to MLV 105-1: Anomaly Remediation (5/27/2026 - 6/10/2026) MLV 109-3: Crossover to Ln 5 Valve Replacements (5/27/2026 - 6/10/2026) MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 106 Clay City: Annual ESD Test & Maintenance (6/2/2026 - 6/5/2026) Sta 110 Morehead: Annual ESD Test & Substation Inspection (6/8/2026 - 6/12/2026)

Sta 87: Unit 3D - Power side Overhaul (6/1/2026 - 9/30/2026) Sta 871 Campbellsville: Annual ESD Test (6/23/2026)

Sta 875 Richmond: Annual ESD Test & Maintenance (6/16/2026 - 6/19/2026) Sta. 106: C Building - Install Water Trech System (6/8/2026 - 6/12/2026)

Station 114

(segment 114 BH)

 

907

 

907

 

907

 

907

 

907

 

Station 200

(segment 200 BH)

 

1,766

 

1,766

 

1,766

1485

(281)

 

1,766

Sta 200 Greenup: Annual ESD Test (6/16/2026 - 6/19/2026)

Station 204

(Segment 204 BH)

 

1,828

 

1270

(558)

 

1270

(558)

 

1,828

 

1,828

MLV 204-4 to MLV 206-4: Replace MLV 205-4 (M) (5/27/2026 - 6/10/2026) MLV 205-4 to MLV 207-4: Replace MLV 206-4 (M) (5/27/2026 - 6/10/2026) MLV 206-4 to MLV 208-4: Replace MLV 207-4 (M) (5/27/2026 - 6/10/2026)

MLV 207-4 to MLV 209-4: Replace MLV 208-4 (M) (5/27/2026 - 6/10/2026)


 

TGP - Outage Impact Report June 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/1 - 6/7)

Week 2

(6/8 - 6/14)

Week 3

(6/15 - 6/21)

Week 4

(6/22 - 6/28)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 219 to

Station 224

(Segment 219 FH)

 

539

 

539

 

539

 

140

(399)

 

539

MLV 219-1D to MLV 224-1: Pig Run - Maintenance (6/16/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

 

830

(156)

 

 

830

(156)

 

 

735

(251)

 

 

830

(156)

Sta 241: Annual ESD Test (6/16/2026)

Sta 241: Unit 1B - Oil System (6/2/2026 - 6/4/2026) Sta 241: Unit 2B - Oil System (6/9/2026 - 6/11/2026)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 249: Unit 2B - 25k Overhaul (6/1/2026 - 6/26/2026)

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

Station 307

(segment 307 BH)

 

1,153

965

(188)

1110

(43)

 

1,153

 

1,153

Sta 219: Unit 1B - Protective Device Checks & GHG (6/8/2026 - 6/12/2026) Sta 303A: Annual ESD Test & Maintenance (6/1/2026 - 6/5/2026)

Sta 307: Unit 3A - Turbocharger swap (6/8/2026 - 6/12/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 317

(segment 317 BH)

 

1,548

900

(648)

 

1,548

 

1,548

 

1,548

MLV 317-2 to MLV 315-2: Pig run - Cleaning (6/2/2026)

MLV 324

(segment 324 FH)

 

1,767

 

1,767

 

1,767

 

1,767

 

1,767

 

MLV 329

(segment 324 FH)

 

846

 

846

155

(691)

 

846

 

846

MLV 325-1 to MLV 329-1: Pig runs - Cal/IMU (M) (6/10/2026)

MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge (M) (6/9/2026) MLV 325-1 to MLV 329-1: Pig runs - MFL-C (M) (6/11/2026)

Cranston Lateral South

(segment 281

FH)

 

187

 

187

 

187

 

187

 

150

(37)

MLV 265E-101.1 to MLV 265E-104: PIG RUNS - Cal/IMU (M) (6/23/2026) ; MLV

265E-101.1 to MLV 265E-104: PIG RUNS - Gauge/Cleaning tool (M) (6/22/2026)

; MLV 265E-101.1 to MLV 265E-104: PIG RUNS - MFL-A (M) (6/24/2026)

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

794

 

794

 

794

 

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

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

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


 

TGP - Outage Impact Report July 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/29 - 7/5)

Week 2

(7/6 - 7/12)

Week 3

(7/13 - 7/19)

Week 4

(7/20 - 7/26)

Week 5

(7/27 - 8/2)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 409 (Donna Line) (segment 490

FH)

 

564

 

564

 

564

 

564

 

564

 

564

 

Station 1

(segment 101 BH)

 

399

 

399

 

399

 

399

 

399

 

399

 

Station 9

(segment 109 FH)

 

969

 

969

 

969

 

969

 

969

710

(259)

MLV 11-1A to MLV 11-1: Anomaly Remediation (7/27/2026 - 8/14/2026)

MLV 13-1 to MLV 12-1: Anomaly Remediation (7/27/2026 - 8/13/2026) MLV 9-1D to MLV 10-1: Anomaly Remediation (7/27/2026 - 8/14/2026)

Station 17

(segment 117 FH)

 

1,122

1000

(122)

1000

(122)

1000

(122)

1100

(22)

1100

(22)

MLV 19-1 TO MLV 20-1A: Pipe Replacement (M) (7/21/2026 - 8/20/2026) MLV 19-3 TO MLV 20-3A: Pipe Replacement (M) (6/17/2026 - 7/17/2026)

Station 25

(segment 125 FH)

 

1,078

930

(148)

930

(148)

925

(153)

775

(303)

925

(153)

MLV 26-2 Relocation: Highway 59 Widening (6/25/2026 - 7/13/2026)

MLV 26-3 Relocation: Highway 59 Widening (M) (7/14/2026 - 7/31/2026) Sta 25: Annual ESD Test (7/21/2026)

Station 47

(segment 143 FH)

 

1,343

 

1295

(48)

 

1085

(258)

 

960

(383)

 

1,343

 

1,343

MLV 40-1D to MLV 47-1S: Pig Run - Maintenance (7/14/2026) MLV 40-4D to MLV 47-4S: Pig Run - Maintenance (7/9/2026)

Sta. 47: Station Transformer Maintenance (7/13/2026 - 7/14/2026)

Sta. 47: Unit 1D - 16K hour Overhaul (6/29/2026 - 7/10/2026)

Station 63

(segment 163 FH)

 

1,242

901

(341)

1117

(125)

1117

(125)

1117

(125)

1117

(125)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) MLV 77-3 to MLV 77-3A: Pipe Replacements (6/22/2026 - 6/30/2026)

Station 823

(segment 823 BH)

 

734

 

734

 

734

 

734

 

734

 

734

 

Station 823 Muskrat Line (segment 509

BH)

 

231

 

130

(101)

 

231

 

231

 

231

 

231

Sta 823 to MLV 516: Pig Run - Maintenance (M) (6/30/2026)

MLV 516

Muskrat Line (segment 516 FH)

 

241

 

241

 

100

(141)

 

241

 

241

 

241

Sta 523 to MLV 516: Pig Run - Chemical Cleaning / Gauge 7/6/26 to 7/10/26 (M) (7/6/2026 - 7/10/2026)

Sta 523 to MLV 516: Pig Run - MFL-A 7/11/26 (M) (7/11/2026)

Station 534 South of Pool (segment 530

BH)

 

1,550

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

 

1528

(22)

Sta 530: Unit 1A - Bearings (8/25/2025 - 6/30/2026)

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

MLV 548

(segment 542 BH)

 

1,647

1640

(7)

1640

(7)

1640

(7)

1640

(7)

1640

(7)

Sta 542: Unit 2A - Emergent Repair (4/7/2026 - 8/14/2026)

Station 860

(segment 548 BH)

 

1,593

 

1,593

 

1,593

 

1,593

1430

(163)

 

1,593

Sta 555: Scrubber/Filter/Separator Clean, Inspect & Filter Change (7/21/2026 - 7/22/2026)

Station 860 North (Segment 860

BH)

 

1,874

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

 

1846

(28)

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

 

 

 

Station 110

(segment 187 BH)

(south thru Kentucky)

 

 

 

 

 

2,685

 

 

 

 

 

2534

(151)

 

 

 

 

 

2358

(327)

 

 

 

 

 

2151

(534)

 

 

 

 

 

2151

(534)

 

 

 

 

 

2358

(327)

MLV 107-7 to 110-7: Valve Installation & Crossover Work (7/7/2026 - 7/27/2026)

MLV 109-4 to 110-4: Valve Installation & Crossover Work (7/28/2026 - 8/11/2026)

MLV 109-4 to MLV 110-4: Pipe Replacement (7/28/2026 - 8/11/2026) MLV 109-7 to MLV 110-7: Pipe Replacement (7/7/2026 - 7/27/2026)

MLV 54-3 to MLV 106-3: Emergent Repair - CAO (2/26/2026 - 12/31/2026) Sta 87: Unit 3D - Power side Overhaul (6/1/2026 - 9/30/2026)

Sta 96 Campbellsville: Annual ESD Test (7/21/2026 - 7/22/2026)

Sta 96 Campbellsville: Annual Substation Inspection (7/13/2026 - 7/16/2026) Sta 96: Unit 2D Replace Compressor Valves (7/5/2026 - 7/9/2026)

Station 114

(segment 114 BH)

 

907

600

(307)

 

907

 

907

 

907

 

907

Sta 114: Unit 1D - Solar Turbine Inspection (6/29/2026 - 7/1/2026)

Station 204

(Segment 204 BH)

 

1,828

 

1,828

 

1,828

 

1,828

 

1,828

 

1,828

 

Station 230C (segment 296

FH)

 

743

 

743

 

743

370

(373)

 

743

 

743

Sta 230C: Annual ESD (M) (7/13/2026 - 7/14/2026)

Station 237

(segment 237 FH)

 

1,006

 

1,006

 

1,006

 

1,006

 

1,006

780

(226)

MLV 237-1 to MLV 245-1: Pig Run - Cleaning/Gauge (7/27/2026) MLV 237-1 to MLV 245-1: Pig Run - MFL-C (7/29/2026)

 

Station 245

(segment 245 FH)

 

 

986

 

970

(16)

 

970

(16)

 

760

(226)

 

970

(16)

 

970

(16)

Sta 245: Unit 1A & 2A - Exhaust System & HP Fuel (4/27/2026 - 11/1/2026) Sta 245-1 to MLV 249-1: Pig Run - Cal/IMU (7/15/2026)

Sta 245-1 to MLV 249-1: Pig Run - Gauge/Cleaning tool (7/14/2026) Sta 245-1 to MLV 249-1: Pig Run - MFL-C (7/16/2026)

MLV 256 West

(segment 249 FH)

 

1,203

 

1,203

 

1,203

 

1,203

1080

(123)

 

1,203

MLV 249-3A to MLV 251-3: Pig Run - Cal/IMU/MFL-A Combo (7/21/2026)

MLV 249-3A to MLV 251-3: Pig Run - Gauge/Cleaning tool (7/20/2026)


 

TGP - Outage Impact Report July 2026 (updated 04/30/26)

-Primary impact restrictions may be necessary

-Major impact restrictions may be necessary

-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

(6/29 - 7/5)

Week 2

(7/6 - 7/12)

Week 3

(7/13 - 7/19)

Week 4

(7/20 - 7/26)

Week 5

(7/27 - 8/2)

 

Primary Outage(s)

 

Est. Operational Capacity (Operational Impact) - Thousand Dth

Station 261 Discharge East (segment 261

FH)

 

888

 

888

 

888

 

888

 

888

 

888

 

 

Station 307

(segment 307 BH)

 

 

1,153

 

 

1,153

 

 

1,153

 

 

1,153

 

1115

(38)

 

1115

(38)

Sta 219: Unit 1B - Save Air System (7/20/2026 - 7/31/2026)

Sta 307: Unit 1A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 2A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 3A - Protective Device Checks (7/20/2026 - 7/24/2026) Sta 307: Unit 4A - Protective Device Checks (7/20/2026 - 7/24/2026)

Station 315

(segment 315 BH)

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

1,823

 

Station 321

(segment 321 FH)

 

2,102

 

2,102

 

2,102

 

2,102

1715

(387)

 

2,102

Sta 321: Station Valves for ESD System (7/21/2026 - 7/23/2026)

MLV 324

(segment 324 FH)

 

1,767

 

1,767

1735

(32)

 

1,767

 

1,767

 

1,767

Sta 325: Units 4A - Water Wash & Borescope (7/6/2026 - 7/7/2026)

Station 405 HC Line (segment 299

FH)

 

794

 

794

 

680

(114)

 

794

 

794

 

794

Sta 405A: Annual ESD Test / Filter Scrubber (7/7/2026 - 7/9/2026)

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

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