-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 09/15/22)
-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
(9/19)
Tuesday
(9/20)
Wednesday
(9/21)
Thursday
(9/22)
Friday
(9/23)
Saturday
(9/24)
Sunday
(9/25)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
560
MLV 406
(segment 406 BH)
389
180
(209)
MLV-406-2 to MLV-407-2: Hydro Test (M) (9/10/2022 - 10/18/2022)
Station 1
(segment 101 BH)
325
Station 9
(segment 109 BH)
1,026
885
(141)
MLV 5-2 and MLV 9-2S: Anomaly Remediation (07/13/22 - 10/07/22)
MLV 8-1 to MLV 9-1: High Priority Anomaly (09/22/22 - 10/01/22)
Station 25
(segment 125 BH)
875
619
(256)
Sta 32: Bldg B UPS & Valve Replacements (9/19/2022 - 9/23/2022)
Station 40 KN South (segment 501 FH)
268
205
(63)
Sta. 500C1 Natchitoches: Annual ESD Test (9/20/2022)
Station 47
(segment 143 BH)
955
(71)
530
(496)
980
(46)
MLV 53-3E TO MLV 54-3S: Pig Runs - Cleaning/Gauge 9/19 - 9/21, BH Combo
Tool 9/22 (9/19/2022 - 9/22/2022)
Station 47 West Monroe: Annual ESD (9/20/2022)
MLV 54-1D to MLV 63-1S: Anomaly Remediation (7/18/2022 - 10/1/2022) MLV 40-4D to MLV 41-4: Anomaly Remediation (8/29/2022 - 10/7/2022) MLV 41-4 to MLV 42-4: Anomaly Remediation  (8/29/2022 - 10/7/2022) Sta 47: Unit 5C - Bearing Inspection (9/6/2022 - 10/14/2022)
Station 823
(segment 823 BH)
687
Station 834
(segment 834 BH)
721
Station 847
(segment 847 BH)
316
0
(316)
MLV 844-1 to MLV 845-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022)
MLV 843-1 to MLV 844-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022)
MLV 548
(segment 542 BH)
1,515
1375
(140)
1231
(284)
Sta 546: Vibration/Pulsation Piping Mods (9/24/2022 - 10/2/2022)
Sta 546: Unit 1B - Controls Upgrade (9/24/2022 - 10/4/2022) Sta 546: Unit 7A - Crankshaft (2/1/2022 - 9/30/2022)
Station 860
(segment 548 BH)
1,533
1500
(33)
Sta 555: Unit 6A - Engine Regrout (8/8/2022 - 12/31/2022)
Station 860 North
(Segment 860 BH)
1,852
(352)
1805
(47)
Sta 860: Unit 11A - Compressor Rod (9/12/2022 - 9/29/2022)
Sta 860: Unit 9A - Ignition System (9/19/2022 - 9/21/2022) Sta. 563 Joelton: Annual ESD Test (9/19/2022 - 9/23/2022) Sta 860: Unit 10A - Ignition System (9/22/2022 - 9/25/2022)
Station 110
(segment 187 BH)
(south thru Kentucky)
2,652
2255
(397)
2325
(327)
2370
(282)
MLV 871-1 to MLV 876-1: Anomaly Remediation (09/21/22 - 10/26/22)
MLV 111-3 to MLV 112-3: High Priority Anomaly Remediation (9/17/2022 - 9/30/2022)
Sta 106: Unit 2D - 8k hr Inspection (9/19/2022 - 9/21/2022) Sta 106: Unit 1D - Turbine Exchange (9/11/2022 - 9/19/2022)
MLV 107-3 to MLV 109-3: High Priority Anomaly Remediation (9/12/2022 - 9/26/2022)
MLV 106-4 to MLV 107-4: Drip Replacement (9/7/2022 - 9/28/2022) MLV 87-2 to MLV 96-2: Anomaly Remediation (6/13/2022 - 9/20/2022)
Sta 106: Unit 8B - Overhaul (5/4/2022 - 11/30/2022)
Station 114
(segment 114 BH)
918
Station 204
(Segment 204 BH)
1,837
1650
(187)
1710
(127)
MLV 208-4 to MLV 209-4: Install New Meter Tee (REX Big Muskie Guernsey Pin
412802) (9/19/2022 - 9/23/2022)
Sta 204: Unit 4A - Install New Dry Exhaust (9/19/2022 - 9/29/2022) Sta 209: Unit 12A - Power Cylinder (9/19/2022 - 9/29/2022)
Station 230C (segment 296 FH)
743
605
(138)
Station 230C: Unit 4A - Protective Device Tests (9/21/2022 - 9/22/2022)
Station 230C: Unit 1A - Protective Device Tests (9/19/2022 - 9/20/2022)
Station 245
(segment 245 FH)
998
Station 261 Discharge East (segment 261 FH)
935
740
(195)
MLV 261-1 to MLV 267-1:Anomaly Remediation (08/22/22 - 09/23/22)
Station 307
(segment 307 BH)
1,154
1024
(130)
1015
(139)
Sta 307: Unit 3A - Protective Device Testing (9/20/2022 - 9/23/2022)
Sta 219: Unit 13A - Unit Regrout (3/14/2022 - 9/30/2022)
MLV 309-1 to MLV 310-1: FORCE MAJEURE - Line 1 OOS (7/13/2022 - TBD)
Station 313 West
MLV 307-1 to MLV 313-1: FORCE MAJEURE - Pressure Reduction (M)
(7/27/2022 - TBD)
Station 315
(segment 315 BH)
1,928
Station 321
(segment 321 FH)
1,933
1790
(143)
(283)
MLV 319-1 to MLV 321-1: Maintenance Pig (9/22/2022)
MLV 320-3A to MLV 321-3BR: Maintenance Pig (9/20/2022)
MLV 324
(segment 324 FH)
1,602
MLV 336 East
(segment 336 FH)
153
(153)
MLV 336-1 to MLV 356-1: Anomaly Remediation (09/19/22 - 10/14/22)
Station 405 HC Line (segment 299 FH)
803
690
(113)
Sta 405A: Filter/Scrubber Change (9/20/2022)
Sta 313 to Sta 237: Maintenance Pig (9/20/2022)
Station 224
(segment 224 FH)
360
(29)
Station 224: Units 1A - 4A - Protective Device Testing (9/19/2022 - 9/23/2022)
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.
September 2022 (updated 09/15/22)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(8/29 - 9/4)
Week 2
(9/5 - 9/11)
Week 3
(9/12 - 9/18)
Week 4
(9/19 - 9/25)
Week 5
(9/26 - 10/2)
Primary Outage(s)
MLV 8-1 to MLV 9-1: High Priority Anomaly (09/22/22 - 10/01/22) MLV 5-2 and MLV 9-2S: Anomaly Remediation (07/13/22 - 10/07/22)
(151)
Sta 47: Unit 5C - Bearing Inspection (9/6/2022 - 10/14/2022) MLV 41-4 to MLV 42-4: Anomaly Remediation (8/29/2022 - 10/7/2022)
MLV 40-4D to MLV 41-4: Anomaly Remediation (8/29/2022 - 10/7/2022)  MLV 54-1D to MLV 63-1S: Anomaly Remediation (7/18/2022 - 10/1/2022) MLV 47-1D TO MLV 54-1S: Pig Runs - Cleaning/Gauge 9/26, ROSEN Caliper 9/28, ROSEN MFL-A / IMU Tool 9/30 (9/26/2022 - 9/30/2022)
MLV 45-3 to MLV 46-3: Anomaly Remediation (9/26/2022 - 10/7/2022)
MLV 843-1 to MLV 844-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022) MLV 844-1 to MLV 845-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022)
Sta 546: Unit 7A - Crankshaft (2/1/2022 - 9/30/2022) Sta 546: Unit 1B - Controls Upgrade (9/24/2022 - 10/4/2022)
Station 860 North (Segment 860 BH)
1800
(52)
Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022) Sta 860: Unit 11A - Compressor Rod (9/12/2022 - 9/29/2022)
MLV 106-4 to MLV 107-4: Drip Replacement (9/7/2022 - 9/28/2022) MLV 107-3 to MLV 109-3: High Priority Anomaly Remediation (9/12/2022 -
9/26/2022)
1575
(262)
Sta 209: Unit 12A - Power Cylinder  (9/19/2022 - 9/29/2022) Sta 204: Unit 4A - Install New Dry Exhaust (9/19/2022 - 9/29/2022)
Sta 200: UPS Replacement (9/28/2022)
Sta 200: Unit 6A - Annual Inspection (9/26/2022 - 9/30/2022)
755
(399)
MLV 313-1 to MLV 307-1: Cleaning 9/29, AFD 10/4, EMAT 10/6 (09/29/22 - 10/06/22)
Sta 307: Unit 4A - Protective Device Testing (9/27/2022 - 9/30/2022)
Station 313 West (segment 307 BH)
MLV 307-1 to MLV 313-1: FORCE MAJEURE - Pressure Reduction (M) (7/27/2022 - TBD)
Station 317
(segment 317 BH)
1,653
1540
MLV 319-1 to MLV 317-1: Maintenance Pig (10/1/2022)
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.
October 2022 (updated 09/15/22)
(10/3 - 10/9)
(10/10 - 10/16)
(10/17 - 10/23)
(10/24 - 10/30)
Station 409A (Alamo) (segment 492 FH)
270
(65)
Sta 409A: Units 1A & 2A - Preventative Maintenance (10/5/2022 - 10/10/2022)
Sta 1: Replace 8" Blow Off Valves (10/11/2022 - 10/12/2022) MLV 401-2 to MLV 409-2: Maintenance Pig (10/20/2022) MLV 401-1 to MLV 409-1: Maintenance Pig (M) (10/19/2022)
950
(76)
865
(10)
810
MLV 32-2S to MLV 25-2D: Mechanical Cleaning 10/26 - 10/26 (M) (10/25/2022 - 10/26/2022)
MLV 36-1LAR to MLV 36-1TXL: Mech Cleaning 10/18 - 10/19, MDS 10/20 (10/18/2022 - 10/20/2022)
MLV 32-2S to MLV 25-2D: AFD re-run 10/27/22 (M) (10/27/2022)
Sta. 500C1 Natchitoches: Annual Turbine Maintenance & Borescope (10/24/2022 - 10/28/2022)
940
(86)
930
(96)
920
(106)
MLV 45-3 to MLV 46-3: Anomaly Remediation (9/26/2022 - 10/7/2022) MLV 47-2D to MLV 47-2A: Anomaly Remediation (10/3/2022 - 10/9/2022) MLV 41-1 to MLV 41-1A: Anomaly Remediation (10/10/2022 - 10/28/2022) MLV 41-3A to MLV 42-3: Anomaly Remediation (10/10/2022 - 10/20/2022) MLV 47-2B to MLV 47-2A: Wrinkle Bend Replacement (10/10/2022 - 10/16/2022)
MLV 53-4 to 53-4A: Line Lowering (10/10/2022 - 10/22/2022)
MLV 40-4D to MLV 41-4: Anomaly Remediation (8/29/2022 - 10/7/2022) MLV 41-4 to MLV 42-4: Anomaly Remediation (8/29/2022 - 10/7/2022) Sta 47: Unit 5C - Bearing Inspection (9/6/2022 - 10/14/2022)
Sta 54: Annual ESD Test (10/18/2022 - 10/20/2022)
365
(322)
Sta 827: Unit A3 - Unit Exchange (10/10/2022 - 10/14/2022) Sta 827 to Sta 823: Maintenance Pig (M) (10/11/2022)
460
(261)
Sta 834 to Sta 827: Maintenance Pig (M) (10/11/2022)
MLV 844-1 to MLV 845-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022) MLV 843-1 to MLV 844-1: Shallow Pipe Lowering (M) (9/8/2022 - 10/8/2022)
Station 823 Muskrat Line (segment 509 BH)
220
150
(70)
Sta 823 to MLV 516:Cleaning / Gauge 7/18 - 7/20, Caliper 7/25, AFD 7/28 (10/13/22 - 10/13/22)
941
(574)
905
(610)
Sta 546: Unit 1B - Controls Upgrade (9/24/2022 - 10/4/2022) MLV 542-2 to MLV 543-2: Casing Removal (10/4/2022 - 10/5/2022) Sta 542 Dekalb: 2022 Annual ESD Test (10/18/2022 - 10/19/2022)
Sta 542: Vibration / Pipe Mods (10/18/2022 - 10/31/2022)
Sta 542: Replace Filter Separator Valves and Relief Valves (10/18/2022 - 10/31/2022)
1260
(273)
1435
(98)
Sta 550: Unit 1A - 4A - Unit Valve Replacement (10/17/2022 - 11/19/2022) Sta 550: Annual ESD Test (10/10/2022 - 10/11/2022)
Sta 550: Vibration / Pipe Mods (10/8/2022 - 10/16/2022)
1720
(132)
1355
(497)
1700
(152)
Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022) MLV 559-1A to MLV 561-1: Pipe Replacement (10/4/2022 - 11/7/2022)
MLV 866-1B to MLV 860-1: Pig Run - Cleaning / Gauge 10/11 (10/11/2022) Sta 860: Unit 10A - Jacket Water Fan (10/10/2022 - 10/14/2022)
MLV 866-1B to MLV 860-1: Pig Run - Hardspot 10/13 (10/13/2022)
MLV 866-1B to MLV 860-1: Pig Runs - Cleaning / Gauge 7/21, Caliper 7/26, MFL A 7/28, Hard Spot Tool 8/2 (10/26/22 - 10/26/22)
Sta 860: Unit 7A - Turbo Charger (10/24/2022 - 10/28/2022)
(south thru
Kentucky)
1685
(967)
2620
(32)
MLV 871-1 to MLV 876-1: Anomaly Remediation (09/21/22 - 10/26/22) Sta 106: Unit 8B - Overhaul (5/4/2022 - 11/30/2022)
700
(218)
Sta 114: Unit 1D - Solar 8k Inspection (10/25/2022 - 10/27/2022) Sta 114: Building C BPS Upgrade (10/24/2022 - 10/29/2022)
1830
(7)
1760
(77)
1385
(452)
Sta 214: Unit 13A - Fuel Injection System Upgrade (10/3/2022 - 10/14/2022) Sta 200: Unit 9A - Annual Inspection (10/10/2022 - 10/14/2022)
MLV 209-1 to MLV 204-1: Pig Runs - Caliper 10/11 (10/11/2022) MLV 209-3 to MLV 204-3: Pig Runs - Caliper 10/13 (10/13/2022) MLV 209-4 to MLV 204-4: Pig Runs - Caliper 10/18 (10/18/2022)
Station 237 West
(segment 233 FH)
485
385
(100)
Station 237: Unit 3A - Fuel System Upgrade (10/17/2022 - 10/21/2022)
970
(28)
830
(168)
845
Sta 241: Unit 2A - Alignment (10/17/2022 - 10/21/2022)
Sta 249: Unit 1A - Suction/Discharge Bottle Clamp Replacement/Pier (10/17/2022 - 10/27/2022)
Station 237: Annual Electric Meggering (10/17/2022)
Sta 241: Unit 1B - 2K Maintenance (10/17/2022 - 10/18/2022) Sta 241: Unit 1A - Fuel System Upgrade (10/10/2022 - 10/14/2022)
Sta 241: Unit 2A - Fuel System Upgrade (10/4/2022 - 10/7/2022)
Sta 241: Unit 2B - 2K Maintenance (10/19/2022 - 10/20/2022)
Station 261 Suction (segment 260 FH)
1,158
(188)
Sta 261: Unit 4A - Electrical Inspection (M) (10/4/2022 - 10/5/2022) Station 261 Agawam: Annual ESD Test (M) (10/11/2022)
Station 261 Agawam: EPA Maintenance Repairs (M) (10/12/2022)
765
(170)
580
(355)
Sta 264 Charlton: Annual ESD Test (10/18/2022)
Sta 264: Units 1C, 2C - Protective Devices (10/4/2022 - 10/5/2022) Sta 264: Units 1C, 2C - Tuning & HMI Installation (10/6/2022 - 10/7/2022)
985
(169)
Sta 307: Unit 6A - Protective Device Testing (10/11/2022 - 10/13/2022) MLV 309-1 to MLV 310-1: FORCE MAJEURE - Line 1 OOS (7/13/2022 - TBD)
1555
(378)
Sta 321: Install New ESD Bottle (10/17/2022 - 10/24/2022)
1230
(372)
Sta. 323A Lackawaxen: Annual ESD Testing (10/11/2022 - 10/12/2022) Sta. 323A: Unit 1A - 30k Inspection (10/10/2022 - 10/14/2022)
Sta 405A: Unit 1A - Water Wash & 4k Inspection (10/3/2022 - 10/4/2022)
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.
November 2022 (updated 09/15/22)
(10/31 - 11/6)
(11/7 - 11/13)
(11/14 - 11/20)
(11/21 - 11/27)
584
367
1,068
520
(548)
MLV 17-2S to MLV 9-2D: Cleaning 11/1 - 11/2, MDS 11/3 (M) (11/1/2022 - 11/3/2022)
897
887
MLV 24-3A to MLV 25-3A: Pipe Replacement (11/1/2022 - 12/1/2022) MLV 18-3A to MLV 20-3A: Pipe Replacement (11/15/2022 - 12/31/2022)
Station 40 KN South
(segment 501 FH)
285
175
(110)
Sta 500-1 to Sta 823 (MLV 507-1): Maintenance Pig (M) (11/8/2022)
1,077
1000
MLV 42-4 to MLV 43-4: Anomaly Remediation (10/31/2022 - 12/9/2022) MLV 43-4 to MLV 44-4: Anomaly Remediation (10/31/2022 - 12/9/2022)
712
732
225
(225)
MLV 510-1 to MLV 518-1: MLV Replacement (M) (11/7/2022 - 11/16/2022) MLV 510A-1 to MLV 512-1: Line Lowering (M) (11/7/2022 - 11/16/2022)
Station 538
(segment 534 BH)
1,567
1270
(297)
Sta. 534 Purvis: Annual ESD Test (11/15/2022)
1,628
1018
1,654
1556
1560
(94)
1620
(34)
Sta 550: Unit 1A - 4A - Unit Valve Replacement (10/17/2022 - 11/19/2022) Sta 555: Unit 6A - Engine Regrout (8/8/2022 - 12/31/2022)
1,984
1852
1865
(119)
1930
(54)
MLV 559-2A to MLV 560-2: Pipe Replacement (11/8/2022 - 12/15/2022) MLV 559-1A to MLV 561-1: Pipe Replacement (10/4/2022 - 11/7/2022) Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022)
2,744
2705
(39)
MLV 96-2 to MLV 102-2: Anomaly Remediation (11/03/22 - 12/09/22)
957
1,904
1,065
1,043
1,204
1074
1,959
1,773
826
Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.
December 2022 (updated 09/15/22)
(11/28 - 12/4)
(12/5 - 12/11)
(12/12 - 12/18)
(12/19 - 12/25)
(12/26 - 1/1)
400
(184)
Sta 409: Station Vent Mods & Unit Inspections (12/7/2022 - 12/20/2022)
850
MLV 18-3A to MLV 20-3A: Pipe Replacement (11/15/2022 - 12/31/2022) MLV 26-1 Relocation: Highway Widening (12/6/2022 - 12/23/2022)
MLV 24-3A to MLV 25-3A: Pipe Replacement (11/1/2022 - 12/1/2022)
MLV 43-4 to MLV 44-4: Anomaly Remediation (10/31/2022 - 12/9/2022) MLV 42-4 to MLV 43-4: Anomaly Remediation (10/31/2022 - 12/9/2022)
MLV 559-2A to MLV 560-2: Pipe Replacement (11/8/2022 - 12/15/2022)
2734
MLV 96-2 to MLV 102-2: Anomaly Remediation (11/03/22 - 12/09/22) Sta 106: Unit 8B - Overhaul (5/4/2022 - 11/30/2022)
(112)
Sta 119A: Unit 1A - Solar 8k Inspection (11/28/2022 - 11/30/2022)