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ToolsTennessee Gas Pipeline Notice 394951
Source LinkAll 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: 06/19/2025 2:58:53PM | Notice End Date/Time: 06/20/2025 9:00:00am |
| Post Date/Time: 6/19/2025 2:58:53 PM | Notice ID: 394951 |
| Reqrd Rsp: 1 | Rsp Date: 06/19/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: TGP Outage Impact Report |
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TGP - Outage Impact Report |
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-Major impact restrictions may be necessary |
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Seven Day Forecast (updated 06/19/25) |
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-Minor impact restrictions may be necessary depending on flow conditions |
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-Little to no impact, though minor outages may cause incremental reductions |
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Station / Seg |
Est Nominal Operating Capacity (Thousand Dth) |
Monday (6/23) |
Tuesday (6/24) |
Wednesday (6/25) |
Thursday (6/26) |
Friday (6/27) |
Saturday (6/28) |
Sunday (6/29) |
Primary Outage(s) that may Impact Throughput |
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Est. Operational Capacity (Operational Impact) - Thousand Dth |
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Station 237 (segment 237 FH) |
1,017 |
1,017 |
1,017 |
1,017 |
930 (87) |
1,017 |
1,017 |
1,017 |
Sta 237: Unit 3A - Unit 3A Device Tests (6/26/2025) |
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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 - 7/11/2025) |
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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) |
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Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
941 |
941 |
941 |
941 |
941 |
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Station 266A (segment 282 FH) |
371 |
350 (21) |
350 (21) |
350 (21) |
350 (21) |
371 |
371 |
371 |
MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M) (6/17/2025 - 6/26/2025) |
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Station 267 South (segment 266 FH) |
469 |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
MLV 272-2 to MLV 273-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) |
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Fitchburg Lat to Gloucester (segment 268 FH) |
202 |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
MLV 268-2 to MLV 269-2: PHMSA Emergent Anomaly Remediation (M) (6/18/2025 - TBD) |
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Station 307 (segment 307 BH) |
1,148 |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
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 - 7/3/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) |
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Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
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MLV 324 (segment 324 FH) |
1,767 |
1350 (417) |
1350 (417) |
1410 (357) |
1410 (357) |
1410 (357) |
1410 (357) |
1410 (357) |
Sta 325: Unit 1B - Water Wash & Borescope (6/25/2025 - 6/27/2025) Sta 325: Unit 3A - Water Wash & Borescope (6/23/2025 - 6/24/2025) Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025) |
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Station 261 South 300 Line (segment 355 BH) |
47 |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025) |
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Station 405 HC Line (segment 299 FH) |
803 |
803 |
803 |
803 |
803 |
803 |
803 |
803 |
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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. |
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-Primary impact restrictions may be necessary |
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TGP - Outage Impact Report |
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-Major impact restrictions may be necessary |
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July 2025 (updated 06/19/25) |
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-Minor impact restrictions may be necessary depending on flow conditions |
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-Little to no impact, though minor outages may cause incremental reductions |
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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) |
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Est. Operational Capacity (Operational Impact) - Thousand Dth |
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Station 409 (Donna Line) (segment 490 FH) |
564 |
564 |
564 |
564 |
564 |
564 |
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MLV 406 (segment 406 BH) |
456 |
416 (40) |
416 (40) |
396 (60) |
396 (60) |
396 (60) |
MLV 407-1 TO MLV 408-1: Immediate Anomaly Remediation (7/14/2025 - 8/2/2025) MLV 408-1 to MLV 409-1: Immediate Anomaly Remediation (6/17/2025 - 7/11/2025) |
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Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
400 |
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Station 9 (segment 109 BH) |
1,028 |
875 (153) |
1,028 |
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) |
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Station 17 (segment 117 FH) |
758 |
438 (320) |
753 (5) |
753 (5) |
753 (5) |
753 (5) |
MLV 17-2D to MLV 20-2A: Anomaly Remediation (6/25/2025 - 7/3/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (M) (6/24/2025 - 7/17/2025) MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 - 8/7/2025) |
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Station 25 (segment 125 FH) |
714 |
714 |
714 |
714 |
714 |
714 |
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Station 40 South (segment 132 FH) |
912 |
892 (20) |
577 (335) |
747 (165) |
757 (155) |
892 (20) |
MLV 32-1L to MLV 33-1: PHMSA Immediate Anomaly Remediation (6/23/2025 - 8/15/2025) MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/21/2025 - 7/26/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/7/2025 - 7/12/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025) |
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Carthage Lateral (segment 700 FH) |
323 |
323 |
323 |
323 |
175 (148) |
323 |
Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025) |
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Station 40 KN South (segment 501 FH) |
268 |
268 |
268 |
225 (43) |
268 |
268 |
Sta 504 Pitkin: Annual ESD test (7/14/2025 - 7/18/2025) Sta 504: Separator Filters (7/14/2025) |
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Station 47 (segment 143 FH) |
1,176 |
1171 (5) |
871 (305) |
936 (240) |
941 (235) |
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 - 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 54-4D TO MLV 63-4S: Pig Runs - MFL-C 7/22/25 (7/22/2025) MLV 59-3 to MLV 58-3: Shallow Pipe Lowering (7/29/2025 - 8/9/2025) MLV 60-3 to MLV 59-3: Shallow Pipe Lowering (7/8/2025 - 7/28/2025) 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) |
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Station 63 (segment 163 FH) |
1,233 |
1160 (73) |
1,233 |
1170 (63) |
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 84-4 to MLV 85-4: Anomaly Remediation (6/30/2025 - 7/3/2025) |
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Station 823 (segment 823 BH) |
686 |
686 |
686 |
686 |
686 |
686 |
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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) |
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Station 527 (segment 527 BH) |
2,392 |
2370 (22) |
2135 (257) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530 Bay ST. Louis: Annual ESD Test (7/7/2025 - 7/11/2025) Sta 530: Scrubber Inspection / Filter Replacement (7/7/2025 - 7/11/2025) Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
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TGP - Outage Impact Report |
|
|
-Major impact restrictions may be necessary |
||
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|
|
July 2025 (updated 06/19/25) |
|
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-Minor impact restrictions may be necessary depending on flow conditions |
||
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-Little to no impact, though minor outages may cause incremental reductions |
||
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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) |
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Est. Operational Capacity (Operational Impact) - Thousand Dth |
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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) |
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Station 860 (segment 548 BH) |
1,516 |
788 (728) |
1511 (5) |
1511 (5) |
1511 (5) |
1511 (5) |
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 3A - Engine Overhaul (7/7/2025 - 8/8/2025) Sta 550: Unit 4A - Turbocharger Exchange (6/2/2025 - 7/3/2025) Sta 555: Unit 1A - Engine Maintenance (7/7/2025 - 7/17/2025) |
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Station 860 North (Segment 860 BH) |
1,793 |
1059 (734) |
1655 (138) |
1655 (138) |
1655 (138) |
1655 (138) |
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 - 12/31/2025) 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) |
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Station 110 (segment 187 BH) (south thru Kentucky) |
2,645 |
2565 (80) |
2565 (80) |
2375 (270) |
2375 (270) |
2290 (355) |
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 870-1 to MLV 870-1R: Anomaly Remediation (7/26/2025 - 8/9/2025) 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) 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) |
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Station 114 (segment 114 BH) |
920 |
920 |
920 |
800 (120) |
920 |
920 |
Sta 114: Unit 1D - Turbine Swap (7/14/2025 - 7/19/2025) |
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Station 200 (segment 200 BH) |
1,765 |
1750 (15) |
1750 (15) |
1750 (15) |
1750 (15) |
1,765 |
MLV 110-3 to MLV 111-3A: Anomaly Remediation (7/14/2025 - 7/26/2025) MLV 111-3 to 111-3A: Immediate Anomaly Remediation (6/18/2025 - 7/7/2025) |
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Station 204 (Segment 204 BH) |
1,827 |
1651 (176) |
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 209-2 to MLV 204-2: Pig Runs - Cleaning / Gauge 6/30/25 (6/30/2025) MLV 209-2 to MLV 204-2: Pig Runs - MFL-A 7/2/25 (7/2/2025) 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 209: Unit 12A - Install Barring Jack (6/30/2025 - 7/2/2025) Sta 214: Annual ESD Test & Maintenance (7/14/2025 - 7/18/2025) |
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Station 219 to Station 224 (Segment 219 FH) |
540 |
540 |
540 |
445 (95) |
540 |
540 |
Sta 219: Unit 1A to 6A - Protective Device Checks (7/14/2025 - 7/18/2025) |
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Station 230C (segment 296 FH) |
743 |
743 |
743 |
570 (173) |
743 |
743 |
Station 230C: Annual ESD (M) (7/16/2025 - 7/17/2025) |
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Station 245 (segment 245 FH) |
997 |
975 (22) |
925 (72) |
925 (72) |
925 (72) |
815 (182) |
MLV 237-2 to MLV 238-2: SCCDA (7/28/2025 - 8/9/2025) MLV 240-1A to MLV 241-1: Anomaly Remediation (7/7/2025 - 7/12/2025) MLV 241-1 to MLV 242-1: Anomaly Remediation (7/7/2025 - 7/12/2025) MLV 242-1 to MLV 243-1: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 244-1 to MLV 245-1S: Anomaly Remediation (7/14/2025 - 7/26/2025) Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 7/11/2025) Sta 241: Unit 3A - Device and Relief Valve Tests (7/15/2025 - 7/16/2025) Sta 249: Unit 2A - Engine Maintenance (7/14/2025 - 7/23/2025) |
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-Primary impact restrictions may be necessary |
||
|
|
|
TGP - Outage Impact Report |
|
|
-Major impact restrictions may be necessary |
||
|
|
|
July 2025 (updated 06/19/25) |
|
|
-Minor impact restrictions may be necessary depending on flow conditions |
||
|
|
|
|
|
|
-Little to no impact, though minor outages may cause incremental reductions |
||
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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 |
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MLV 256 West (segment 249 FH) |
1,213 |
1195 (18) |
1,213 |
1,213 |
1,213 |
1,213 |
Sta 254: Unit 4A - Replace Power Cylinder Head (5/16/2025 - 7/3/2025) |
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Station 254 (segment 256 FH) |
1,213 |
1,213 |
945 (268) |
945 (268) |
1,213 |
1,213 |
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 |
941 |
941 |
941 |
941 |
|
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MLV 265 (segment 265 FH) |
767 |
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 |
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) |
|
Station 267 South (segment 266 FH) |
469 |
395 (74) |
469 |
469 |
469 |
469 |
MLV 272-2 to MLV 273-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) |
|
Fitchburg Lat to Gloucester (segment 268 FH) |
202 |
160 (42) |
202 |
140 (62) |
140 (62) |
202 |
MLV 267-1A to MLV 268-1: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 268-2 to MLV 269-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) MLV 270-1A to MLV 270-101.1R: Anomaly Remediation (7/21/2025 - 7/26/2025) |
|
Tewksbury Incremental Lateral (segment 285 FH) |
34 |
17 (17) |
34 |
34 |
34 |
34 |
MLV 270B-101.1 TO MLV 270B-103: Pig Runs - MFL-C / Cal / IMU Combo 6/30/25 (M) (6/30/2025) |
|
Station 307 (segment 307 BH) |
1,148 |
1065 (83) |
1,148 |
1133 (15) |
1105 (43) |
1105 (43) |
Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) 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) Sta 307: Unit 5A - Cooling System (7/1/2025) |
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
Station 317 (segment 317 BH) |
1,579 |
1375 (204) |
1555 (24) |
1550 (29) |
1,579 |
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) Sta 317: Unit 1B - Engine Maintenace (7/8/2025 - 7/11/2025) STA 317: Upgrade Communications UPS System (7/2/2025) |
|
Station 321 (segment 321 FH) |
2,102 |
2,102 |
2,102 |
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 |
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 |
0 (47) |
47 |
47 |
47 |
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 |
803 |
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. |
|||||||
|
|
|
|
||||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
564 |
564 |
564 |
|
|
MLV 406 (segment 406 BH) |
456 |
396 (60) |
396 (60) |
396 (60) |
406 (50) |
MLV 405-1 to MLV 406-1: Immediate Anomaly Remediation (8/25/2025 - 9/13/2025) MLV 406-1 to MLV 407-1: Immediate Anomaly Remediation (8/4/2025 - 8/23/2025) |
|
Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
|
|
Station 9 (segment 109 BH) |
1,028 |
702 (326) |
1,028 |
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 |
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 |
882 (30) |
882 (30) |
912 |
912 |
MLV 32-1L to MLV 33-1: PHMSA Immediate Anomaly Remediation (6/23/2025 - 8/15/2025) MLV 35-1 to MLV 36-1: PHMSA Immediate Anomaly Remediation (8/4/2025 - 8/15/2025) |
|
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 |
817 (360) |
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) MLV 59-3 to MLV 58-3: Shallow Pipe Lowering (7/29/2025 - 8/9/2025) Sta 54: Substation Inspection (8/4/2025 - 8/8/2025) |
|
Station 63 (segment 163 FH) |
1,233 |
1,233 |
1,233 |
1,233 |
660 (573) |
Sta 63 Batesville: Annual ESD Test (8/27/2025) |
|
Station 823 (segment 823 BH) |
686 |
686 |
686 |
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 |
284 |
284 |
220 (64) |
Sta 847 Coffeeville: Annual ESD Test (8/27/2025 - 8/28/2025) |
|
Station 527 (segment 527 BH) |
2,392 |
2370 (22) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
|
MLV 548 (segment 542 BH) |
1,597 |
1560 (37) |
1575 (22) |
1265 (332) |
1265 (332) |
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: Scrubber Inspection / Filter Replacement (8/4/2025 - 8/8/2025) 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 |
1511 (5) |
1,516 |
920 (596) |
1500 (16) |
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) Sta 550: Unit 2A - Compressor Overhaul (8/25/2025 - 10/17/2025) Sta 550: Unit 3A - Engine Overhaul (7/7/2025 - 8/8/2025) |
|
Station 860 North (Segment 860 BH) |
1,793 |
1655 (138) |
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) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 12/31/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
2290 (355) |
2300 (345) |
2460 (185) |
2460 (185) |
MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025) MLV 870-1 to MLV 870-1R: Anomaly Remediation (7/26/2025 - 8/9/2025) 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 (8/6/2025 - 9/22/2025) MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (8/6/2025 - 9/22/2025) Sta 106 Clay City: Upgrade B Building Jacket Water System (8/4/2025 - 8/8/2025) |
|
Station 114 (segment 114 BH) |
920 |
920 |
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 - 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 204-2 to MLV 200-2: Pig Runs - Rosen Caliper 8/7/25 (M) (8/7/2025) 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-C 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 |
815 (182) |
840 (157) |
997 |
997 |
MLV 237-2 to MLV 238-2: SCCDA (7/28/2025 - 8/9/2025) 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) Sta 249: Unit 1B - Crankcase Inspection (8/11/2025 - 8/15/2025) |
|
Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
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 |
895 (253) |
850 (298) |
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 (8/11/2025 - 8/16/2025) Sta 307: Unit 5A - Protective Device Checks (8/11/2025 - 8/16/2025) Sta 307: Unit 6A - Protective Device Checks (8/11/2025 - 8/16/2025) Sta 313 Coudersport: Annual ESD Test (8/19/2025 - 8/21/2025) |
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
Station 321 (segment 321 FH) |
2,102 |
1965 (137) |
2,102 |
2,102 |
2,102 |
MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
||||||
|
MLV 324 (segment 324 FH) |
1,767 |
1,767 |
1,767 |
1,767 |
1,767 |
|
|
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. |
||||||
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
September 2025 (updated 06/19/25) |
|
-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 (9/1 - 9/7) |
Week 2 (9/8 - 9/14) |
Week 3 (9/15 - 9/21) |
Week 4 (9/22 - 9/28) |
Primary Outage(s) |
|
Est. Operational Capacity (Operational Impact) - Thousand Dth |
||||||
|
Station 409 (Donna Line) (segment 490 FH) |
564 |
564 |
564 |
564 |
564 |
|
|
MLV 406 (segment 406 BH) |
456 |
406 (50) |
406 (50) |
416 (40) |
416 (40) |
MLV 403-1 to MLV 404-1: Immediate Anomaly Remediation (M) (9/15/2025 - 10/4/2025) MLV 405-1 to MLV 406-1: Immediate Anomaly Remediation (8/25/2025 - 9/13/2025) |
|
Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
|
|
Station 9 (segment 109 BH) |
1,028 |
445 (583) |
445 (583) |
445 (583) |
1,028 |
MLV 17-2S to MLV 9-2D: Pig Runs - Cleaning / Gauge (M) (9/5/2025) MLV 17-2S to MLV 9-2D: Pig Runs - Cleaning Run 2 (M) (9/3/2025) MLV 17-2S to MLV 9-2D: Pig Runs - Hardspot (M) (9/16/2025) MLV 17-2S to MLV 9-2D: Pig Runs - MFL (M) (9/11/2025) |
|
Station 17 (segment 117 FH) |
758 |
758 |
758 |
753 (5) |
758 |
MLV 17-1D to MLV 20-1A: Pig Run - Cleaning 9/15/25 (9/15/2025) MLV 17-1D to MLV 20-1A: Pig Run - Gauge 9/16/25 (9/16/2025) MLV 17-1D to MLV 20-1A: Pig Run - MFL-A 9/17/25 (9/17/2025) |
|
Station 25 (segment 125 FH) |
714 |
709 (5) |
714 |
714 |
714 |
MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (8/18/2025 - 9/6/2025) |
|
Station 40 South (segment 132 FH) |
912 |
912 |
912 |
747 (165) |
637 (275) |
MLV 32-2D TO MLV 40-2S: Pig Runs - Maintenance (9/16/2025) MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (9/23/2025) |
|
Carthage Lateral (segment 700 FH) |
323 |
323 |
215 (116) |
323 |
323 |
MLV 706-1 to MLV 700-1: Pig Run - Maintenance (M) (9/9/2025) |
|
Station 40 KN South (segment 501 FH) |
268 |
268 |
268 |
254 (31) |
268 |
Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (9/16/2025) |
|
Station 47 (segment 143 FH) |
1,222 |
1097 (125) |
762 (460) |
1187 (35) |
1187 (35) |
MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 12/31/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3AT to MLV 47-3A: Anomaly Remediation (9/1/2025 - 9/5/2025) MLV 48-3 to MLV 49-3: Anomaly Remediation (9/1/2025 - 9/5/2025) MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) MLV 53-2BREH to MLV 53-2BR: Special Permit Replacement (9/1/2025 - 10/15/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - Cleaning / Gauge 9/16/25 (9/16/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - CLP / IMU 9/18/25 (9/18/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - MFL-C 9/23/25 (9/23/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - MFL-C 9/25/25 (9/25/2025) Sta 47: Annual ESD Test (9/10/2025) Sta 54 Greenville: Annual ESD Test & Maintenance (9/8/2025 - 9/11/2025) |
|
Station 63 (segment 163 FH) |
1,233 |
1,233 |
1,233 |
1,233 |
1,233 |
|
|
Station 823 (segment 823 BH) |
686 |
686 |
686 |
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 527 (segment 527 BH) |
2,392 |
2370 (22) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
|
MLV 548 (segment 542 BH) |
1,597 |
1555 (42) |
1,597 |
1,597 |
1,597 |
MLV 541-1 to MLV 541-1A: Anomaly Remediation (8/19/2025 - 9/7/2025) |
|
Station 860 (segment 548 BH) |
1,516 |
1445 (71) |
1275 (241) |
1500 (16) |
1500 (16) |
Sta 550: Unit 2A - Compressor Overhaul (8/25/2025 - 10/17/2025) Sta 555 Collinwood: Annual ESD Test & Maintenance (9/8/2025 - 9/12/2025) Sta 555: Unit 1B - Vibration System Upgrade (9/8/2025 - 9/12/2025) Sta 555: Unit 2A - Engine Maintenance (9/1/2025 - 9/5/2025) Sta 555: Unit 2A - Oil Seal (9/1/2025 - 9/5/2025) Sta 555: Unit 5A - Engine Maintenance (9/1/2025 - 9/5/2025) Sta 555: Unit 6A - Engine Maintenance (9/1/2025 - 9/5/2025) |
|
Station 860 North (Segment 860 BH) |
1,793 |
1693 (100) |
1693 (100) |
1693 (100) |
1693 (100) |
Sta 860: Force Majeure (8/18/2023 - TBD) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 12/31/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
September 2025 (updated 06/19/25) |
|
-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 (9/1 - 9/7) |
Week 2 (9/8 - 9/14) |
Week 3 (9/15 - 9/21) |
Week 4 (9/22 - 9/28) |
Primary Outage(s) |
|
Est. Operational Capacity (Operational Impact) - Thousand Dth |
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|
Station 110 (segment 187 BH) (south thru Kentucky) |
2,645 |
2325 (320) |
2325 (320) |
2325 (320) |
1530 (1115) |
MLV 106-1D to MLV 111-7BR: Make Piggable Valve MLV 107-7 & MLV 109-7 Replacements (M) (9/1/2025 - 9/19/2025) MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (9/22/2025 - 10/24/2025) MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (9/22/2025 - 10/24/2025) MLV 866-1 to MLV 867-1: Anomaly Remediation (9/22/2025 - 10/10/2025) MLV 868-1 to MLV 869-1: Anomaly Remediation (9/22/2025 - 10/10/2025) MLV 869-1 to MLV 870-1: Anomaly Remediation (9/22/2025 - 10/10/2025) 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 872-2 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 (8/6/2025 - 9/22/2025) MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (8/6/2025 - 9/22/2025) MLV 96-5 to MLV 102-5: Pig Runs - Cleaning / Gauge 9/25/25 (9/25/2025) Sta 96: Unit 2D - Compressor Valves (9/22/2025 - 9/26/2025) |
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Station 114 (segment 114 BH) |
920 |
920 |
920 |
850 (70) |
920 |
Sta 118A Tyler Mountain: Annual ESD Test (9/16/2025 - 9/18/2025) |
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Station 204 (Segment 204 BH) |
1,827 |
1741 (86) |
1797 (30) |
1797 (30) |
1408 (419) |
MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025) MLV 213-2A to MLV 214-2: Special Permit Replacement (9/1/2025 - 10/31/2025) MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) Sta 204: Scrubber Filter (9/22/2025 - 9/24/2025) Sta 209 Cambridge: Scrubber Filter (9/25/2025 - 9/27/2025) |
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Station 237 (segment 237 FH) |
1,017 |
557 (460) |
557 (460) |
1,017 |
1,017 |
MLV 236-1 to MLV 237-1BR: Special Permit Replacement (M) (8/11/2025 - 9/12/2025) |
|
Station 245 (segment 245 FH) |
997 |
997 |
855 (142) |
925 (72) |
925 (72) |
Sta 241: Unit 3A - C3 Cooper Upgrade (9/8/2025 - 9/27/2025) Sta 245: Unit 1C - Engine Exchange (9/8/2025 - 9/12/2025) |
|
Station 254 (segment 256 FH) |
1,213 |
1,213 |
1,213 |
1,213 |
900 (313) |
MLV 254-1 to MLV 261-1: Pig Run - Maintenance (9/23/2025) MLV 254-2 to MLV 261-2: Pig Run - Maintenance (9/24/2025) MLV 254-3 to MLV 258-3: Pig Run - Maintenance (9/25/2025) |
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Station 261 Suction (segment 260 FH) |
1,159 |
1,159 |
1,159 |
1,159 |
635 (524) |
Sta 260A Southwick: Annual ESD Test (9/23/2025) |
|
Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
400 (541) |
545 (396) |
Sta 261 Agawam: Annual ESD Test (M) (9/16/2025 - 9/18/2025) Sta 264 Charlton: Annual ESD Test (9/25/2025) |
|
Station 307 (segment 307 BH) |
1,148 |
1,148 |
1,148 |
1,148 |
1,148 |
|
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
MLV 324 (segment 324 FH) |
1,767 |
1,767 |
1,767 |
1,767 |
1,767 |
|
|
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. |
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| TSP/TSP Name: 1939164-TENNESSEE GAS PIPELINE | Critical: Y |
| Notice Type Desc (1): MAINTENANCE | Notice Type Desc (2): MAINTENANCE |
| Notice Eff Date/Time: 06/19/2025 2:58:53PM | Notice End Date/Time: 06/20/2025 9:00:00am |
| Post Date/Time: 6/19/2025 2:58:53 PM | Notice ID: 394951 |
| Reqrd Rsp: 1 | Rsp Date: 06/19/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: TGP Outage Impact Report |
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TGP - Outage Impact Report |
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-Major impact restrictions may be necessary |
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Seven Day Forecast (updated 06/19/25) |
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-Minor impact restrictions may be necessary depending on flow conditions |
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-Little to no impact, though minor outages may cause incremental reductions |
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Station / Seg |
Est Nominal Operating Capacity (Thousand Dth) |
Monday (6/23) |
Tuesday (6/24) |
Wednesday (6/25) |
Thursday (6/26) |
Friday (6/27) |
Saturday (6/28) |
Sunday (6/29) |
Primary Outage(s) that may Impact Throughput |
|
Est. Operational Capacity (Operational Impact) - Thousand Dth |
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|
Station 237 (segment 237 FH) |
1,017 |
1,017 |
1,017 |
1,017 |
930 (87) |
1,017 |
1,017 |
1,017 |
Sta 237: Unit 3A - Unit 3A Device Tests (6/26/2025) |
|
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 - 7/11/2025) |
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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) |
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Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
941 |
941 |
941 |
941 |
941 |
|
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Station 266A (segment 282 FH) |
371 |
350 (21) |
350 (21) |
350 (21) |
350 (21) |
371 |
371 |
371 |
MLV 266A-102A to 266A-104A: Make Piggable - Tee Replacement (M) (6/17/2025 - 6/26/2025) |
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Station 267 South (segment 266 FH) |
469 |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
395 (74) |
MLV 272-2 to MLV 273-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) |
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Fitchburg Lat to Gloucester (segment 268 FH) |
202 |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
160 (42) |
MLV 268-2 to MLV 269-2: PHMSA Emergent Anomaly Remediation (M) (6/18/2025 - TBD) |
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Station 307 (segment 307 BH) |
1,148 |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
1130 (18) |
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 - 7/3/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) |
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Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
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MLV 324 (segment 324 FH) |
1,767 |
1350 (417) |
1350 (417) |
1410 (357) |
1410 (357) |
1410 (357) |
1410 (357) |
1410 (357) |
Sta 325: Unit 1B - Water Wash & Borescope (6/25/2025 - 6/27/2025) Sta 325: Unit 3A - Water Wash & Borescope (6/23/2025 - 6/24/2025) Sta 327: Unit 1A - Solar Inspection (6/23/2025 - 7/1/2025) |
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Station 261 South 300 Line (segment 355 BH) |
47 |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
0 (47) |
MLV 346-1: MLV Replacement (M) (6/23/2025 - 7/1/2025) |
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Station 405 HC Line (segment 299 FH) |
803 |
803 |
803 |
803 |
803 |
803 |
803 |
803 |
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|
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. |
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-Primary impact restrictions may be necessary |
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|
|
TGP - Outage Impact Report |
|
|
-Major impact restrictions may be necessary |
||
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|
|
July 2025 (updated 06/19/25) |
|
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-Minor impact restrictions may be necessary depending on flow conditions |
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-Little to no impact, though minor outages may cause incremental reductions |
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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 |
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Station 409 (Donna Line) (segment 490 FH) |
564 |
564 |
564 |
564 |
564 |
564 |
|
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MLV 406 (segment 406 BH) |
456 |
416 (40) |
416 (40) |
396 (60) |
396 (60) |
396 (60) |
MLV 407-1 TO MLV 408-1: Immediate Anomaly Remediation (7/14/2025 - 8/2/2025) MLV 408-1 to MLV 409-1: Immediate Anomaly Remediation (6/17/2025 - 7/11/2025) |
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Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
400 |
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Station 9 (segment 109 BH) |
1,028 |
875 (153) |
1,028 |
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) |
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Station 17 (segment 117 FH) |
758 |
438 (320) |
753 (5) |
753 (5) |
753 (5) |
753 (5) |
MLV 17-2D to MLV 20-2A: Anomaly Remediation (6/25/2025 - 7/3/2025) MLV 19-3 to MLV 19-3A: Class Change Pipe Replacement (M) (6/24/2025 - 7/17/2025) MLV 20-1 to MLV 20-1BR: Class Change Pipe Replacement (7/22/2025 - 8/7/2025) |
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Station 25 (segment 125 FH) |
714 |
714 |
714 |
714 |
714 |
714 |
|
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Station 40 South (segment 132 FH) |
912 |
892 (20) |
577 (335) |
747 (165) |
757 (155) |
892 (20) |
MLV 32-1L to MLV 33-1: PHMSA Immediate Anomaly Remediation (6/23/2025 - 8/15/2025) MLV 39-1 to MLV 40-1S: Anomaly Remediation (7/21/2025 - 7/26/2025) MLV 39-2 to MLV 40-2S: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 39-3 to MLV 40-3S: Anomaly Remediation (7/7/2025 - 7/12/2025) Sta 32: Unit 3B - Compressor Overhaul (4/14/2025 - 7/15/2025) |
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Carthage Lateral (segment 700 FH) |
323 |
323 |
323 |
323 |
175 (148) |
323 |
Sta 40: Carthage Check Meter (M) (7/21/2025 - 7/24/2025) |
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Station 40 KN South (segment 501 FH) |
268 |
268 |
268 |
225 (43) |
268 |
268 |
Sta 504 Pitkin: Annual ESD test (7/14/2025 - 7/18/2025) Sta 504: Separator Filters (7/14/2025) |
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Station 47 (segment 143 FH) |
1,176 |
1171 (5) |
871 (305) |
936 (240) |
941 (235) |
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 - 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 54-4D TO MLV 63-4S: Pig Runs - MFL-C 7/22/25 (7/22/2025) MLV 59-3 to MLV 58-3: Shallow Pipe Lowering (7/29/2025 - 8/9/2025) MLV 60-3 to MLV 59-3: Shallow Pipe Lowering (7/8/2025 - 7/28/2025) 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) |
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Station 63 (segment 163 FH) |
1,233 |
1160 (73) |
1,233 |
1170 (63) |
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 84-4 to MLV 85-4: Anomaly Remediation (6/30/2025 - 7/3/2025) |
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Station 823 (segment 823 BH) |
686 |
686 |
686 |
686 |
686 |
686 |
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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) |
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Station 527 (segment 527 BH) |
2,392 |
2370 (22) |
2135 (257) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530 Bay ST. Louis: Annual ESD Test (7/7/2025 - 7/11/2025) Sta 530: Scrubber Inspection / Filter Replacement (7/7/2025 - 7/11/2025) Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
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|
TGP - Outage Impact Report |
|
|
-Major impact restrictions may be necessary |
||
|
|
|
July 2025 (updated 06/19/25) |
|
|
-Minor impact restrictions may be necessary depending on flow conditions |
||
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|
|
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|
|
-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 |
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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 |
788 (728) |
1511 (5) |
1511 (5) |
1511 (5) |
1511 (5) |
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 3A - Engine Overhaul (7/7/2025 - 8/8/2025) Sta 550: Unit 4A - Turbocharger Exchange (6/2/2025 - 7/3/2025) Sta 555: Unit 1A - Engine Maintenance (7/7/2025 - 7/17/2025) |
|
Station 860 North (Segment 860 BH) |
1,793 |
1059 (734) |
1655 (138) |
1655 (138) |
1655 (138) |
1655 (138) |
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 - 12/31/2025) 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) |
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Station 110 (segment 187 BH) (south thru Kentucky) |
2,645 |
2565 (80) |
2565 (80) |
2375 (270) |
2375 (270) |
2290 (355) |
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 870-1 to MLV 870-1R: Anomaly Remediation (7/26/2025 - 8/9/2025) 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) 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) |
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Station 114 (segment 114 BH) |
920 |
920 |
920 |
800 (120) |
920 |
920 |
Sta 114: Unit 1D - Turbine Swap (7/14/2025 - 7/19/2025) |
|
Station 200 (segment 200 BH) |
1,765 |
1750 (15) |
1750 (15) |
1750 (15) |
1750 (15) |
1,765 |
MLV 110-3 to MLV 111-3A: Anomaly Remediation (7/14/2025 - 7/26/2025) MLV 111-3 to 111-3A: Immediate Anomaly Remediation (6/18/2025 - 7/7/2025) |
|
Station 204 (Segment 204 BH) |
1,827 |
1651 (176) |
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 209-2 to MLV 204-2: Pig Runs - Cleaning / Gauge 6/30/25 (6/30/2025) MLV 209-2 to MLV 204-2: Pig Runs - MFL-A 7/2/25 (7/2/2025) 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 209: Unit 12A - Install Barring Jack (6/30/2025 - 7/2/2025) Sta 214: Annual ESD Test & Maintenance (7/14/2025 - 7/18/2025) |
|
Station 219 to Station 224 (Segment 219 FH) |
540 |
540 |
540 |
445 (95) |
540 |
540 |
Sta 219: Unit 1A to 6A - Protective Device Checks (7/14/2025 - 7/18/2025) |
|
Station 230C (segment 296 FH) |
743 |
743 |
743 |
570 (173) |
743 |
743 |
Station 230C: Annual ESD (M) (7/16/2025 - 7/17/2025) |
|
Station 245 (segment 245 FH) |
997 |
975 (22) |
925 (72) |
925 (72) |
925 (72) |
815 (182) |
MLV 237-2 to MLV 238-2: SCCDA (7/28/2025 - 8/9/2025) MLV 240-1A to MLV 241-1: Anomaly Remediation (7/7/2025 - 7/12/2025) MLV 241-1 to MLV 242-1: Anomaly Remediation (7/7/2025 - 7/12/2025) MLV 242-1 to MLV 243-1: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 244-1 to MLV 245-1S: Anomaly Remediation (7/14/2025 - 7/26/2025) Sta 241: Unit 1A - Main Bearing, Turbo, Compressor Boring & Valve Operator (5/19/2025 - 7/11/2025) Sta 241: Unit 3A - Device and Relief Valve Tests (7/15/2025 - 7/16/2025) Sta 249: Unit 2A - Engine Maintenance (7/14/2025 - 7/23/2025) |
|
|
|
|
|
|
-Primary impact restrictions may be necessary |
||
|
|
|
TGP - Outage Impact Report |
|
|
-Major impact restrictions may be necessary |
||
|
|
|
July 2025 (updated 06/19/25) |
|
|
-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 |
|||||||
|
MLV 256 West (segment 249 FH) |
1,213 |
1195 (18) |
1,213 |
1,213 |
1,213 |
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 |
945 (268) |
945 (268) |
1,213 |
1,213 |
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 |
941 |
941 |
941 |
941 |
|
|
MLV 265 (segment 265 FH) |
767 |
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 |
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) |
|
Station 267 South (segment 266 FH) |
469 |
395 (74) |
469 |
469 |
469 |
469 |
MLV 272-2 to MLV 273-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) |
|
Fitchburg Lat to Gloucester (segment 268 FH) |
202 |
160 (42) |
202 |
140 (62) |
140 (62) |
202 |
MLV 267-1A to MLV 268-1: Anomaly Remediation (7/14/2025 - 7/19/2025) MLV 268-2 to MLV 269-2: PHMSA Emergent Anomaly Remediation (6/18/2025 - TBD) MLV 270-1A to MLV 270-101.1R: Anomaly Remediation (7/21/2025 - 7/26/2025) |
|
Tewksbury Incremental Lateral (segment 285 FH) |
34 |
17 (17) |
34 |
34 |
34 |
34 |
MLV 270B-101.1 TO MLV 270B-103: Pig Runs - MFL-C / Cal / IMU Combo 6/30/25 (M) (6/30/2025) |
|
Station 307 (segment 307 BH) |
1,148 |
1065 (83) |
1,148 |
1133 (15) |
1105 (43) |
1105 (43) |
Sta 219: Unit 10A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) Sta 219: Unit 11A - Install New Foundation Chocks (5/5/2025 - 7/3/2025) 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) Sta 307: Unit 5A - Cooling System (7/1/2025) |
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
Station 317 (segment 317 BH) |
1,579 |
1375 (204) |
1555 (24) |
1550 (29) |
1,579 |
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) Sta 317: Unit 1B - Engine Maintenace (7/8/2025 - 7/11/2025) STA 317: Upgrade Communications UPS System (7/2/2025) |
|
Station 321 (segment 321 FH) |
2,102 |
2,102 |
2,102 |
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 |
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 |
0 (47) |
47 |
47 |
47 |
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 |
803 |
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. |
|||||||
|
|
|
|
||||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
564 |
564 |
564 |
|
|
MLV 406 (segment 406 BH) |
456 |
396 (60) |
396 (60) |
396 (60) |
406 (50) |
MLV 405-1 to MLV 406-1: Immediate Anomaly Remediation (8/25/2025 - 9/13/2025) MLV 406-1 to MLV 407-1: Immediate Anomaly Remediation (8/4/2025 - 8/23/2025) |
|
Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
|
|
Station 9 (segment 109 BH) |
1,028 |
702 (326) |
1,028 |
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 |
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 |
882 (30) |
882 (30) |
912 |
912 |
MLV 32-1L to MLV 33-1: PHMSA Immediate Anomaly Remediation (6/23/2025 - 8/15/2025) MLV 35-1 to MLV 36-1: PHMSA Immediate Anomaly Remediation (8/4/2025 - 8/15/2025) |
|
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 |
817 (360) |
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) MLV 59-3 to MLV 58-3: Shallow Pipe Lowering (7/29/2025 - 8/9/2025) Sta 54: Substation Inspection (8/4/2025 - 8/8/2025) |
|
Station 63 (segment 163 FH) |
1,233 |
1,233 |
1,233 |
1,233 |
660 (573) |
Sta 63 Batesville: Annual ESD Test (8/27/2025) |
|
Station 823 (segment 823 BH) |
686 |
686 |
686 |
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 |
284 |
284 |
220 (64) |
Sta 847 Coffeeville: Annual ESD Test (8/27/2025 - 8/28/2025) |
|
Station 527 (segment 527 BH) |
2,392 |
2370 (22) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
|
MLV 548 (segment 542 BH) |
1,597 |
1560 (37) |
1575 (22) |
1265 (332) |
1265 (332) |
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: Scrubber Inspection / Filter Replacement (8/4/2025 - 8/8/2025) 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 |
1511 (5) |
1,516 |
920 (596) |
1500 (16) |
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) Sta 550: Unit 2A - Compressor Overhaul (8/25/2025 - 10/17/2025) Sta 550: Unit 3A - Engine Overhaul (7/7/2025 - 8/8/2025) |
|
Station 860 North (Segment 860 BH) |
1,793 |
1655 (138) |
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) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 12/31/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
2290 (355) |
2300 (345) |
2460 (185) |
2460 (185) |
MLV 101-5 to MLV 102-5: Class Change Pipe Replacement (7/14/2025 - 8/16/2025) MLV 870-1 to MLV 870-1R: Anomaly Remediation (7/26/2025 - 8/9/2025) 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 (8/6/2025 - 9/22/2025) MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (8/6/2025 - 9/22/2025) Sta 106 Clay City: Upgrade B Building Jacket Water System (8/4/2025 - 8/8/2025) |
|
Station 114 (segment 114 BH) |
920 |
920 |
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 - 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 204-2 to MLV 200-2: Pig Runs - Rosen Caliper 8/7/25 (M) (8/7/2025) 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-C 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 |
815 (182) |
840 (157) |
997 |
997 |
MLV 237-2 to MLV 238-2: SCCDA (7/28/2025 - 8/9/2025) 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) Sta 249: Unit 1B - Crankcase Inspection (8/11/2025 - 8/15/2025) |
|
Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
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 |
895 (253) |
850 (298) |
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 (8/11/2025 - 8/16/2025) Sta 307: Unit 5A - Protective Device Checks (8/11/2025 - 8/16/2025) Sta 307: Unit 6A - Protective Device Checks (8/11/2025 - 8/16/2025) Sta 313 Coudersport: Annual ESD Test (8/19/2025 - 8/21/2025) |
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
Station 321 (segment 321 FH) |
2,102 |
1965 (137) |
2,102 |
2,102 |
2,102 |
MLV 324-1B to MLV 325-1: Anomaly Remediation (M) (7/28/2025 - 8/7/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
August 2025 (updated 06/19/25) |
|
-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 |
||||||
|
MLV 324 (segment 324 FH) |
1,767 |
1,767 |
1,767 |
1,767 |
1,767 |
|
|
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. |
||||||
|
|
|
|
-Primary impact restrictions may be necessary |
|||
|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
|||
|
|
September 2025 (updated 06/19/25) |
|
-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 (9/1 - 9/7) |
Week 2 (9/8 - 9/14) |
Week 3 (9/15 - 9/21) |
Week 4 (9/22 - 9/28) |
Primary Outage(s) |
|
Est. Operational Capacity (Operational Impact) - Thousand Dth |
||||||
|
Station 409 (Donna Line) (segment 490 FH) |
564 |
564 |
564 |
564 |
564 |
|
|
MLV 406 (segment 406 BH) |
456 |
406 (50) |
406 (50) |
416 (40) |
416 (40) |
MLV 403-1 to MLV 404-1: Immediate Anomaly Remediation (M) (9/15/2025 - 10/4/2025) MLV 405-1 to MLV 406-1: Immediate Anomaly Remediation (8/25/2025 - 9/13/2025) |
|
Station 1 (segment 101 BH) |
400 |
400 |
400 |
400 |
400 |
|
|
Station 9 (segment 109 BH) |
1,028 |
445 (583) |
445 (583) |
445 (583) |
1,028 |
MLV 17-2S to MLV 9-2D: Pig Runs - Cleaning / Gauge (M) (9/5/2025) MLV 17-2S to MLV 9-2D: Pig Runs - Cleaning Run 2 (M) (9/3/2025) MLV 17-2S to MLV 9-2D: Pig Runs - Hardspot (M) (9/16/2025) MLV 17-2S to MLV 9-2D: Pig Runs - MFL (M) (9/11/2025) |
|
Station 17 (segment 117 FH) |
758 |
758 |
758 |
753 (5) |
758 |
MLV 17-1D to MLV 20-1A: Pig Run - Cleaning 9/15/25 (9/15/2025) MLV 17-1D to MLV 20-1A: Pig Run - Gauge 9/16/25 (9/16/2025) MLV 17-1D to MLV 20-1A: Pig Run - MFL-A 9/17/25 (9/17/2025) |
|
Station 25 (segment 125 FH) |
714 |
709 (5) |
714 |
714 |
714 |
MLV 25-1 to MLV 26-1 Relocation: Highway 105 Widening (8/18/2025 - 9/6/2025) |
|
Station 40 South (segment 132 FH) |
912 |
912 |
912 |
747 (165) |
637 (275) |
MLV 32-2D TO MLV 40-2S: Pig Runs - Maintenance (9/16/2025) MLV 32-3D to MLV 40-3S: Pig Runs - Maintenance (9/23/2025) |
|
Carthage Lateral (segment 700 FH) |
323 |
323 |
215 (116) |
323 |
323 |
MLV 706-1 to MLV 700-1: Pig Run - Maintenance (M) (9/9/2025) |
|
Station 40 KN South (segment 501 FH) |
268 |
268 |
268 |
254 (31) |
268 |
Sta 500-1 to Sta 823 (MLV 507-1): Pig Run - Maintenance (M) (9/16/2025) |
|
Station 47 (segment 143 FH) |
1,222 |
1097 (125) |
762 (460) |
1187 (35) |
1187 (35) |
MLV 47-1A to MLV 48-1: Class Change (9/1/2025 - 12/31/2025) MLV 47-1AT to MLV 49-1: Anomaly Remediation (1/6/2025 - 10/31/2025) MLV 47-3AT to MLV 47-3A: Anomaly Remediation (9/1/2025 - 9/5/2025) MLV 48-3 to MLV 49-3: Anomaly Remediation (9/1/2025 - 9/5/2025) MLV 49-1 to MLV 50-1: Anomaly Remediation (3/4/2025 - 10/31/2025) MLV 53-2BREH to MLV 53-2BR: Special Permit Replacement (9/1/2025 - 10/15/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - Cleaning / Gauge 9/16/25 (9/16/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - CLP / IMU 9/18/25 (9/18/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - MFL-C 9/23/25 (9/23/2025) MLV 54-1D TO MLV 63-1S: Pig Runs - MFL-C 9/25/25 (9/25/2025) Sta 47: Annual ESD Test (9/10/2025) Sta 54 Greenville: Annual ESD Test & Maintenance (9/8/2025 - 9/11/2025) |
|
Station 63 (segment 163 FH) |
1,233 |
1,233 |
1,233 |
1,233 |
1,233 |
|
|
Station 823 (segment 823 BH) |
686 |
686 |
686 |
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 527 (segment 527 BH) |
2,392 |
2370 (22) |
2370 (22) |
2370 (22) |
2370 (22) |
Sta 530: Unit 3A - Crankshaft Replacement (6/9/2025 - 12/31/2025) Sta 530: Unit 5A - Top-End Overhaul (6/9/2025 - 12/31/2025) |
|
MLV 548 (segment 542 BH) |
1,597 |
1555 (42) |
1,597 |
1,597 |
1,597 |
MLV 541-1 to MLV 541-1A: Anomaly Remediation (8/19/2025 - 9/7/2025) |
|
Station 860 (segment 548 BH) |
1,516 |
1445 (71) |
1275 (241) |
1500 (16) |
1500 (16) |
Sta 550: Unit 2A - Compressor Overhaul (8/25/2025 - 10/17/2025) Sta 555 Collinwood: Annual ESD Test & Maintenance (9/8/2025 - 9/12/2025) Sta 555: Unit 1B - Vibration System Upgrade (9/8/2025 - 9/12/2025) Sta 555: Unit 2A - Engine Maintenance (9/1/2025 - 9/5/2025) Sta 555: Unit 2A - Oil Seal (9/1/2025 - 9/5/2025) Sta 555: Unit 5A - Engine Maintenance (9/1/2025 - 9/5/2025) Sta 555: Unit 6A - Engine Maintenance (9/1/2025 - 9/5/2025) |
|
Station 860 North (Segment 860 BH) |
1,793 |
1693 (100) |
1693 (100) |
1693 (100) |
1693 (100) |
Sta 860: Force Majeure (8/18/2023 - TBD) Sta 860: Unit 1A - Aftercooler Jacket Water Inspection (6/17/2024 - 12/31/2025) |
|
|
|
|
-Primary impact restrictions may be necessary |
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|
|
TGP - Outage Impact Report |
|
-Major impact restrictions may be necessary |
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|
|
September 2025 (updated 06/19/25) |
|
-Minor impact restrictions may be necessary depending on flow conditions |
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|
|
|
|
-Little to no impact, though minor outages may cause incremental reductions |
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|
Station # / Lateral |
Est Nominal Operating Capacity (Thousand Dth) |
Week 1 (9/1 - 9/7) |
Week 2 (9/8 - 9/14) |
Week 3 (9/15 - 9/21) |
Week 4 (9/22 - 9/28) |
Primary Outage(s) |
|
Est. Operational Capacity (Operational Impact) - Thousand Dth |
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|
Station 110 (segment 187 BH) (south thru Kentucky) |
2,645 |
2325 (320) |
2325 (320) |
2325 (320) |
1530 (1115) |
MLV 106-1D to MLV 111-7BR: Make Piggable Valve MLV 107-7 & MLV 109-7 Replacements (M) (9/1/2025 - 9/19/2025) MLV 108-3 to MLV 109-3A: Special Permit Pipe Replacement (9/22/2025 - 10/24/2025) MLV 109-3 to MLV 109-3A: Class Change Pipe Replacement (9/22/2025 - 10/24/2025) MLV 866-1 to MLV 867-1: Anomaly Remediation (9/22/2025 - 10/10/2025) MLV 868-1 to MLV 869-1: Anomaly Remediation (9/22/2025 - 10/10/2025) MLV 869-1 to MLV 870-1: Anomaly Remediation (9/22/2025 - 10/10/2025) 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 872-2 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 (8/6/2025 - 9/22/2025) MLV 93-3 to MLV 94-3: HDD River Crossing Replacement (8/6/2025 - 9/22/2025) MLV 96-5 to MLV 102-5: Pig Runs - Cleaning / Gauge 9/25/25 (9/25/2025) Sta 96: Unit 2D - Compressor Valves (9/22/2025 - 9/26/2025) |
|
Station 114 (segment 114 BH) |
920 |
920 |
920 |
850 (70) |
920 |
Sta 118A Tyler Mountain: Annual ESD Test (9/16/2025 - 9/18/2025) |
|
Station 204 (Segment 204 BH) |
1,827 |
1741 (86) |
1797 (30) |
1797 (30) |
1408 (419) |
MLV 205-2 to MLV 206-2: Special Permit Replacement (7/1/2025 - 9/1/2025) MLV 213-2A to MLV 214-2: Special Permit Replacement (9/1/2025 - 10/31/2025) MLV 216-2 to MLV 216-2A: Class Change Replacement (7/1/2025 - 9/1/2025) Sta 204: Scrubber Filter (9/22/2025 - 9/24/2025) Sta 209 Cambridge: Scrubber Filter (9/25/2025 - 9/27/2025) |
|
Station 237 (segment 237 FH) |
1,017 |
557 (460) |
557 (460) |
1,017 |
1,017 |
MLV 236-1 to MLV 237-1BR: Special Permit Replacement (M) (8/11/2025 - 9/12/2025) |
|
Station 245 (segment 245 FH) |
997 |
997 |
855 (142) |
925 (72) |
925 (72) |
Sta 241: Unit 3A - C3 Cooper Upgrade (9/8/2025 - 9/27/2025) Sta 245: Unit 1C - Engine Exchange (9/8/2025 - 9/12/2025) |
|
Station 254 (segment 256 FH) |
1,213 |
1,213 |
1,213 |
1,213 |
900 (313) |
MLV 254-1 to MLV 261-1: Pig Run - Maintenance (9/23/2025) MLV 254-2 to MLV 261-2: Pig Run - Maintenance (9/24/2025) MLV 254-3 to MLV 258-3: Pig Run - Maintenance (9/25/2025) |
|
Station 261 Suction (segment 260 FH) |
1,159 |
1,159 |
1,159 |
1,159 |
635 (524) |
Sta 260A Southwick: Annual ESD Test (9/23/2025) |
|
Station 261 Discharge East (segment 261 FH) |
941 |
941 |
941 |
400 (541) |
545 (396) |
Sta 261 Agawam: Annual ESD Test (M) (9/16/2025 - 9/18/2025) Sta 264 Charlton: Annual ESD Test (9/25/2025) |
|
Station 307 (segment 307 BH) |
1,148 |
1,148 |
1,148 |
1,148 |
1,148 |
|
|
Station 315 (segment 315 BH) |
1,854 |
1,854 |
1,854 |
1,854 |
1,854 |
|
|
MLV 324 (segment 324 FH) |
1,767 |
1,767 |
1,767 |
1,767 |
1,767 |
|
|
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. |
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