-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 08/04/22)
-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
(8/8)
Tuesday
(8/9)
Wednesday
(8/10)
Thursday
(8/11)
Friday
(8/12)
Saturday
(8/13)
Sunday
(8/14)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
560
525
(35)
MLV 409A-101BL to MLV 409A-101B: Pipe Replacement (M) (8/8/2022 - 9/23/2022)
MLV 406
(segment 406 BH)
389
180
(209)
MLV-404-2 to MLV-406-2: Hydro Test (7/12/2022 - 9/2/2022)
Station 1
(segment 101 BH)
325
Station 9
(segment 109 BH)
1,026
930
(96)
MLV 12-1 to MLV 13-1: Pressure Weld Replacement (6/18/2022 - 8/17/2022) MLV 5-2 and MLV 9-2S: Anomaly Remediation (07/13/22 - 10/07/22)
Station 25
(segment 125 BH)
875
Carthage Lateral (segment 700 FH)
303
0
(303)
MLV 703A-1 to MLV 704-1: Pressure Test (M) (8/5/2022 - 8/11/2022)
MLV 700-1 to MLV 701-1: Wrinkle Bend Removal and Replacement (M) (8/5/2022 - 8/11/2022)
MLV 701-1 to MLV 702-1: Wrinkle Bend Assessment (M) (8/5/2022 - 8/11/2022)
Station 47
(segment 143 BH)
985
(41)
1000
(26)
MLV 40-3D to MLV 41-3A: Anomaly Remediation (6/24/2022 - 8/26/2022) MLV 41-1 to MLV 44-1: Anomaly Remediation (M) (6/6/2022 - 8/12/2022)
Station 87
100 Leg
(segment 163 BH)
1,412
1380
(32)
MLV 79-2 to MLV 82-2: Immediate Anomaly Remediation (2/1/2022 - 8/19/2022)
Station 823
(segment 823 BH)
687
(162)
Sta 827: Generator (8/8/2022)
Station 834
(segment 834 BH)
721
Station 860
(segment 548 BH)
1,533
1280
(253)
Sta 555: Unit 6A - Engine Inspection & Anchor Bolts (8/8/2022 - 8/12/2022) Sta. 555: Annual ESD Test & Maintenance (8/8/2022 - 8/12/2022)
Station 860 North
(Segment 860 BH)
1,852
1750
(102)
Sta 860: Unit 12A - Turbocharger Replacement (7/18/2022 - 8/12/2022) Sta 860: Unit 6A - Turbo Charger (6/24/2022 - 8/12/2022)
Sta 860: Unit 11A - Compressor Rod (7/11/2022 - 8/12/2022)
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,652
2540
(112)
MLV 87-2 to MLV 96-2: Anomaly Remediation (6/13/2022 - 8/26/2022) Sta 106: Unit 8B - Overhaul (5/4/2022 - 9/1/2022)
MLV 871-1 to MLV 876-1: Anomaly Remediation (08/01/22 - 09/03/22) Sta 87: Unit 2C - Engine Inspection (8/8/2022 - 8/12/2022)
Station 114
(segment 114 BH)
918
Station 204
(Segment 204 BH)
1,837
1710
(127)
Sta 209: Unit 11A - Emergent Turbocharger Replacement (7/16/2022 - 8/11/2022)
Sta 200: Unit 7A - Turbo Charger Replacement (8/8/2022 - 8/11/2022) Sta 214: Unit 5A - Engine Inspection (8/9/2022 - 8/11/2022)
Sta 214: Unit 8A - Compressor Inspection (8/1/2022 - 8/8/2022)
Station 237 West
(segment 233 FH)
485
(485)
MLV 230-1 to MLV 237-1: Anomaly Remediation (08/10/22 - 08/20/22)
Station 245
(segment 245 FH)
998
900
(98)
Sta 237: Point to Point and Trans Cals (8/9/2022) Station 237: Annual Electric Meggering (8/10/2022) Station 237: Annual ESD Test (8/8/2022)
Station 254
(segment 256 FH)
1,213
1190
(23)
Sta 254: Unit 5A - Emission Reduction R&D Project (7/12/2022 - 9/5/2022)
Station 261 Discharge East (segment 261 FH)
935
765
(170)
Sta 264: Unit 1C - Water Wash & Borescope (8/8/2022 - 8/9/2022) Sta 264: Unit 2C - Water Wash & Borescope (8/10/2022 - 8/11/2022)
Station 307
(segment 307 BH)
1,154
914
(240)
Sta 219: Unit 13A - Unit Regrout (3/14/2022 - 8/12/2022)
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 (7/27/2022 - TBD)
Station 315
(segment 315 BH)
1,928
1730
(198)
Sta 315: Unit 1B - Water Wash & Borescope (8/10/2022 - 8/11/2022) Sta 315: Unit 2A - Water Wash & Borescope (8/8/2022 - 8/9/2022)
MLV 324
(segment 324 FH)
1,602
Station 405 HC Line (segment 299 FH)
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.
August 2022 (updated 08/04/22)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(8/1 - 8/7)
Week 2
(8/8 - 8/14)
Week 3
(8/15 - 8/21)
Week 4
(8/22 - 8/28)
Primary Outage(s)
940
(86)
MLV 5-2 and MLV 9-2S: Anomaly Remediation (07/13/22 - 10/07/22) MLV 12-1 to MLV 13-1: Pressure Weld Replacement (6/18/2022 - 8/17/2022)
Station 40 South
(segment 132 BH)
830
(45)
MLV 40-2 to MLV 32-2: Maintenance Pig (8/16/2022)
(126)
MLV 40-3D to MLV 41-3A: Anomaly Remediation (6/24/2022 - 8/26/2022) Sta 54: Annual Substation Test (8/16/2022 - 8/18/2022)
(236)
Sta 836A Delhi: Annual ESD Test (8/23/2022)
Station 860 North (Segment 860 BH)
1830
(22)
Sta 860: Unit 10A - Jacket Water Fan (8/15/2022 - 8/19/2022)
1565
(1087)
Sta 87 Portland: Annual ESD Test (8/16/2022)
MLV 871-1 to MLV 876-1: Anomaly Remediation (08/01/22 - 09/03/22) Sta 106: Unit 8B - Overhaul (5/4/2022 - 9/1/2022)
MLV 87-2 to MLV 96-2: Anomaly Remediation (6/13/2022 - 8/26/2022)
1790
(47)
1450
(387)
Sta 209: Unit 2A - Turbo Charger Replacement (8/15/2022 - 8/18/2022) Sta 209: Unit 8A - Compressor Inspection (8/22/2022 - 8/25/2022)
MLV 201-4 to MLV 202-4: High Priority Anomaly (8/22/2022 - 8/27/2022) Sta 214: Station Filter Change Out for the Scrubber Filters (8/22/2022 - 8/24/2022)
Sta 209: Station Filter Change Out for the Scrubber Filters (8/25/2022 -
8/27/2022)
MLV 230-1 to MLV 237-1: Anomaly Remediation (08/08/22 - 08/20/22)
925
(73)
Sta 241: Unit 2A - Alignment (8/24/2022 - 8/26/2022) Sta 241: Unit 1A - Alignment (8/23/2022 - 8/26/2022)
880
(274)
MLV 309-1 to MLV 310-1: FORCE MAJEURE - Line 1 OOS (7/13/2022 - 9/30/2022)
Sta 307: Unit 6A - Protective Device Testing (8/22/2022 - TBD)
Station 317
(segment 317 BH)
1,653
1385
(268)
Sta 317: Unit 1C - Unit Exchange (8/15/2022 - 8/19/2022)
Station 224
(segment 224 FH)
290
(99)
Station 224: Annual ESD Test (8/23/2022 - 8/24/2022)
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 08/04/22)
(8/29 - 9/4)
(9/5 - 9/11)
(9/12 - 9/18)
(9/19 - 9/25)
Week 5
(9/26 - 10/2)
MLV-404-2 to MLV-406-2: Hydro Test (7/12/2022 - 9/2/2022) MLV-406-2 to MLV-407-2: Hydro Test (M) (9/3/2022 - 10/11/2022)
965
(61)
960
(66)
MLV 5-2 and MLV 9-2S: Anomaly Remediation (07/13/22 - 10/07/22)
Station 17
(segment 117 BH)
710
(165)
Sta 17: Annual ESD Test (9/1/2022)
975
(51)
895
(131)
MLV 45-3 to MLV 46-3: Anomaly Remediation (8/29/2022 - 9/3/2022) MLV 40-4D to MLV 41-4: Anomaly Remediation (8/29/2022 - 9/3/2022) MLV 41-4 to MLV 42-4: Anomaly Remediation (9/5/2022 - 9/16/2022)
MLV 53-2C TO MLV 47-2D: Pig Runs - Cleaning/Gauge 9/6 - 9/8, TDW MDS Tool 9/10 (9/6/2022 - 9/10/2022)
MLV 53-3C TO MLV 47-3D: Pig Runs - Cleaning/Gauge 9/12 - 9/14, BH Combo Tool 9/15 (9/12/2022 - 9/15/2022)
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)
MLV 41-1 to MLV 41-1A: Anomaly Remediation (9/26/2022 - 10/15/2022)
Station 847
(segment 847 BH)
316
(316)
MLV 844-1 to MLV 845-1: Shallow Pipe Lowering (M) (9/12/2022 - 10/8/2022) MLV 843-1 to MLV 844-1: Shallow Pipe Lowering (M) (9/12/2022 - 10/8/2022)
Station 823 Muskrat Line (segment 509 BH)
220
(220)
MLV 510A-1 to MLV 512-1: Line Lowering (M) (9/20/2022 - 9/29/2022)
MLV 548
(segment 542 BH)
1,515
1230
(285)
Sta 546: Vibration/Pulsation Piping Mods (9/19/2022 - 10/9/2022)
1735
(117)
(122)
1720
(132)
MLV 559-1A to MLV 561-1: Pipe Replacement (9/12/2022 - 10/16/2022) Sta 860: Unit 9A - Ignition System (9/19/2022 - 9/21/2022)
Sta 860: Unit 10A - Ignition System  (9/22/2022 - 9/25/2022)   Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022)
2620
2545
(107)
2585
(67)
Sta 106: Unit 8B - Overhaul (5/4/2022 - 9/1/2022)
MLV 871-1 to MLV 876-1: Anomaly Remediation (08/01/22 - 09/03/22) MLV 96-2 to MLV 102-2: Anomaly Remediation (09/05/22 - 09/28/22) MLV 106-4 to MLV 107-4: Drip Replacement (9/7/2022 - 9/28/2022) Sta 106: Unit 1D - Turbine Exchange (9/11/2022 - 9/19/2022)
700
(218)
Sta 114: Building C ATS Maintenance (9/12/2022 - 9/13/2022) Sta 114: Building C Substation Maintenance (9/14/2022 - 9/16/2022)
1405
(432)
1575
(262)
1650
(187)
Sta 204: Station Filter Change Out for the Scrubber Filters (8/29/2022 - 8/31/2022)
Sta 209: Unit 7A - Power Cylinder (8/29/2022 - 9/1/2022) Sta 200: UPS Replacement (9/13/2022)
MLV 208-4 to MLV 209-4: Install New Meter Tee (REX Big Muskie Guernsey Pin
412802) (9/19/2022 - 9/23/2022)
Station 230C (segment 296 FH)
743
605
(138)
Station 230C: Unit 4A - Protective Device Tests (9/15/2022) Station 230C: Unit 2A - Protective Device Tests (9/13/2022) Station 230C: Unit 3A - Protective Device Tests (9/14/2022) Station 230C: Unit 1A - Protective Device Tests (9/12/2022)
385
(100)
Station 237: Unit 3A - Fuel System Upgrade (9/12/2022 - 9/17/2022)
955
(43)
Sta 241: Unit 1A - Fuel System Upgrade (9/5/2022 - 9/10/2022) Sta 245: Unit 1C - Vibration Investigation (9/7/2022)
Station 261 Suction (segment 260 FH)
1,158
(183)
1158
(0)
Sta 261: Unit 4A - Electrical Inspection (M) (9/22/2022)
Sta 261: Unit 5A, 1C, 2D - Protective Devices (09/06/22 - 09/08/22)
815
(120)
800
(135)
835
MLV 266-1 to MLV 267-1: Pipe Replacement (9/23/2022 - 9/30/2022) MLV 262-1 to MLV 264-1: Pipe Replacement (9/8/2022 - 9/17/2022) MLV 265-1 to MLV 266-1: Pipe Replacement (9/18/2022 - 9/22/2022)
(254)
Sta 307: Unit 4A - Protective Device Testing (8/29/2022 - 8/31/2022) MLV 309-1 to MLV 310-1: FORCE MAJEURE - Line 1 OOS (7/13/2022 - TBD)
Sta 307: Unit 3A - Protective Device Testing (9/1/2022 - 9/2/2022) Sta 307: Unit 2A - Protective Device Testing (9/12/2022 - 9/14/2022)
Station 313 Discharge (segment 399 FH)
806
600
(206)
Sta 313 Coudersport: Annual ESD Test (9/6/2022)
1540
(113)
MLV 319-1 to MLV 317-1: Maintenance Pig (10/1/2022)
Station 321
(segment 321 FH)
1,933
1245
(688)
(143)
MLV 320-3A to MLV 321-3BR: Maintenance Pig (9/20/2022) MLV 319-1 to MLV 321-1: Maintenance Pig (9/13/2022) MLV 319-2 to MLV 321-2: Maintenance Pig (9/15/2022)
1341
(261)
MLV 325-1 to MLV 329-1: Pig runs - Cleaning/Gauge 8/23, ILI 8/25 (08/29/22 - 08/31/22)
MLV 322-3A to MLV 323-3A: Maintenance Pig (8/30/2022)
MLV 330
628
(628)
MLVS 329-1: High Priority Anomaly (M) (9/6/2022 - 9/11/2022)
690
Sta 405A: Filter/Scrubber Change (9/20/2022) Sta 313 to Sta 237: Maintenance Pig (9/20/2022)
240
(149)
360
(29)
Station 224: Units 1A - 4A - Protective Device Testing (9/19/2022 - 9/23/2022) Sta 229: Annual ESD Test & Maintenance (8/30/2022 - 8/31/2022)
October 2022 (updated 08/04/22)
(10/3 - 10/9)
(10/10 - 10/16)
(10/17 - 10/23)
(10/24 - 10/30)
Station 409A (Alamo) (segment 492 FH)
270
205
(65)
Sta 409A: Units 1A & 2A - Preventative Maintenance (10/19/2022 - 10/24/2022)
229
(160)
MLV-406-2 to MLV-407-2: Hydro Test (M) (9/3/2022 - 10/11/2022)
MLV 401-1 to MLV 409-1: Maintenance Pig (M) (10/19/2022) MLV 401-2 to MLV 409-2: Maintenance Pig (10/20/2022)
950
(76)
990
(36)
810
(216)
MLV 41-1 to MLV 41-1A: Anomaly Remediation (9/26/2022 - 10/15/2022) MLV 47-2B to MLV 47-2A: Wrinkle Bend Replacement (10/10/2022 - 10/16/2022)
MLV 47-2D to MLV 47-2A: Anomaly Remediation (10/10/2022 - 10/16/2022) MLV 41-3A to MLV 42-3: Anomaly Remediation (10/17/2022 - 10/22/2022) MLV 47-1D TO MLV 54-1S: Pig Runs - Cleaning/Gauge 10/18 - 10/23, ROSEN Caliper 10/24, ROSEN MFL-A / IMU Tool 10/26 (10/18/2022 - 10/26/2022)
Sta 54: Annual ESD Test (10/18/2022 - 10/20/2022)
440
(247)
Sta 827 to Sta 823: Maintenance Pig (M) (10/12/2022)
460
Sta 834 to Sta 827: Maintenance Pig (M) (10/12/2022)
MLV 843-1 to MLV 844-1: Shallow Pipe Lowering (M) (9/12/2022 - 10/8/2022) MLV 844-1 to MLV 845-1: Shallow Pipe Lowering (M) (9/12/2022 - 10/8/2022)
150
(70)
Sta 823 to MLV 516:Cleaning / Gauge 7/18 - 7/20, Caliper 7/25, AFD 7/28 (10/12/22 - 10/12/22)
905
(610)
Sta 542: Replace Filter Separator Valves and Relief Valves (10/10/2022 - 10/30/2022)
Sta 542 Dekalb: 2022 Annual ESD Test (10/10/2022 - 10/11/2022) MLV 542-2 to MLV 543-2: Casing Removal (10/11/2022 - 10/12/2022)
Sta 542: Vibration / Pipe Mods (10/10/2022 - 10/30/2022)
(533)
Sta 550: Annual ESD Test (10/10/2022 - 10/11/2022) Sta 550: Vibration / Pipe Mods (10/10/2022 - 10/30/2022)
1780
(72)
1500
(352)
Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022) MLV 559-1A to MLV 561-1: Pipe Replacement (9/12/2022 - 10/16/2022) MLV 559-2A to MLV 560-2: Pipe Replacement (10/18/2022 - 11/23/2022)
MLV 866-1B to MLV 860-1: Pig Run - Cleaning tool 10/22 (10/25/2022)
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 (10/27/22 - 10/27/22)
(118)
850
(68)
795
(123)
Sta 114: Unit 1D - Solar 8k Inspection (10/3/2022 - 10/5/2022) Sta 118A: Solar 8k Inspection (10/10/2022 - 10/12/2022)
Sta 119A: Unit 1A - Solar 8k Inspection (10/17/2022 - 10/19/2022)
(33)
Sta 241: Unit 2B - 2K Maintenance (10/12/2022 - 10/13/2022) Sta 241: Unit 1B - 2K Maintenance (10/10/2022 - 10/11/2022)
970
(188)
Station 261 Agawam: Annual ESD Test (M) (10/11/2022) Station 261 Agawam: EPA Maintenance Repairs (M) (10/12/2022)
580
(355)
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)
Sta 264 Charlton: Annual ESD Test (10/18/2022)
1555
(378)
Sta 321: Install New ESD Bottle (10/17/2022 - 10/24/2022)
November 2022 (updated 08/04/22)
(10/31 - 11/6)
(11/7 - 11/13)
(11/14 - 11/20)
(11/21 - 11/27)
584
367
1,068
897
887
(10)
MLV 24-3A to MLV 25-3A: Pipe Replacement (11/1/2022 - 12/1/2022) MLV 18-3A to MLV 20-3A: Pipe Replacement (11/16/2022 - 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)
712
732
1,654
1,984
1912
1960
(24)
MLV 559-2A to MLV 560-2: Pipe Replacement (10/18/2022 - 11/23/2022) Sta 860: Units 1B - Top End Overhaul (9/26/2022 - 10/31/2022)
2,744
957
1,904
1,065
1,043
1,204
1,959
1,773
826