-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 06/10/21)
-Minor impact restrictions may be necessary depending on flow conditions
-Little to no impact, though minor outages may cause incremental reductions
Station / Seg
Est Nominal
Operating Capacity (Thousand Dth)
Monday
(6/14)
Tuesday
(6/15)
Wednesday
(6/16)
Thursday
(6/17)
Friday
(6/18)
Saturday
(6/19)
Sunday
(6/20)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
567
Station 1
(segment 101 BH)
296
Station 9
(segment 109 BH)
1,027
Station 25
(segment 125 BH)
875
Station 32
(segment 132 BH)
550
(325)
MLV 40-3 to MLV 32-3: Maintenance Pig (6/17/2021)
Station 823
(segment 823 BH)
688
Station 834
(segment 834 BH)
724
Station 548
(segment 542 BH)
1,515
1485
(30)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 6/30/2021)
Station 860
(segment 548 BH)
1,534
1530
(4)
Sta 550: Unit 1A: Piston Inspection (5/10/2021 - 7/2/2021)
Sta 550: Unit 1A: Air Manifold Gasket (6/7/2021 - 6/25/2021)
Station 860 North (Segment 860 BH)
1,855
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,637
2560
(77)
Sta 871: Unit 2A: Replace Power Heads (5/17/2021 - 6/16/2021)
MLVS 109-3: Class Change / Pipe Replacement (6/11/2021 - 8/24/2021) MLV 107-2 to MLV 106-2: Drip Replacement (6/18/2021 - 6/26/2021)
Station 114
(segment 114 BH)
918
Station 204
(Segment 204 BH)
1,834
1700
(134)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021)
Station 245
(segment 245 FH)
998
800
(198)
Station 241: Annual ESD test (6/14/2021 - 6/15/2021)
Sta 241: Station Filter Separator Inspections (6/15/2021 - 6/17/2021)
Station 261 Suction (segment 260 FH)
1,106
1000
(106)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator,
fuel gas, et al) (4/19/2021 - 8/30/2021)
Station 307
(segment 307 BH)
1,154
1065
(89)
1070
(84)
Sta 307: Unit 5A: Install Fuel Injection System and Fuel Gas Skid (5/1/2021 -
9/15/2021)
MLV 307-1 to 313-1: Anomaly Remediation (5/24/2021 - 6/19/2021)
Station 315
(segment 315 BH)
1,929
Station 321
(segment 321 FH)
1,924
1645
(279)
Station 321: Annual ESD test (6/14/2021)
Sta 321: Gas Cooler Installation (6/14/2021 - 6/28/2021)
Station 325
(segment 324 FH)
1,599
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.
June 2021 (updated 06/10/21)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(5/31 - 6/6)
Week 2
(6/7 - 6/13)
Week 3
(6/14 - 6/20)
Week 4
(6/21 - 6/27)
Primary Outage(s)
1080
(435)
MLV 536-2 to MLV 537-2: Anomaly Remediation (6/21/2021 - 6/30/2021) MLV 542-1 to MLV 538-1: Pig Runs - Chem Cleaning 6/21 - 6/25, Gauge 6/25, Caliper 6/29, MFL 7/1 (M) (6/21/2021 - 7/1/2021)
Sta 550: Unit 1A: Piston Inspection (5/10/2021 - 7/2/2021) Sta 550: Unit 1A: Air Manifold Gasket (6/7/2021 - 6/25/2021)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) Sta 204: Unit 6A: Exhaust Manifold (6/21/2021 - 6/30/2021)
MLV 209-2 to MLV 214-2: Anomaly Remediation (6/21/2021 - 7/18/2021)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator, fuel gas, et al) (4/19/2021 - 8/30/2021)
Sta 307: Unit 5A: Install Fuel Injection System and Fuel Gas Skid (5/1/2021 - 9/15/2021)
1470
(129)
Sta 325: Unit 3A: Water Wash & Fuel Meter Change Out (6/21/2021) Sta 325: Unit 4A: Water Wash & Fuel Meter Change Out (6/22/2021)
July 2021 (updated 06/10/21)
(6/28 - 7/4)
(7/5 - 7/11)
(7/12 - 7/18)
(7/19 - 7/25)
Week 5
(7/26 - 8/1)
Station 409A (Alamo) (segment 492 FH)
247
180
(67)
Sta 409A: Protective Device Inspection (6/28/2021 - 7/10/2021)
415
(152)
MLV 401-1 to MLV 409-1: Maintenance Pig (7/12/2021) MLV 401-2 to MLV 409-2: Maintenance Pig (7/13/2021)
MLV 406
(segment 406 BH)
397
245
MLVS 404-2: Class Change (8/1/2021 - 8/15/2021)
MLV 3
727
427
(300)
Station 3A: Annual ESD test (7/26/2021 - 7/31/2021) Sta 3A: Unit 1A: 20k Inspection (7/26/2021 - 7/31/2021)
885
(142)
MLV 9-2 to MLV 5-2: Pig runs - Cleaning 7/12 - 7/13, Gauge 7/14, MFL 7/15 (7/12/2021 - 7/15/2021)
Station 40Â KN South (segment 501 FH)
251
0
(251)
Sta 504: Filter Change Out (7/19/2021 - 7/24/2021)
MLV 504-1A and MLV 505-1: Pipe Replacement Whiskey Chitto River Crossing (M) (7/19/2021 - 7/26/2021)
225
(463)
Station 827: Annual ESD test (7/12/2021 - 7/16/2021) Sta 834 to Sta 827: Maintenance Pig (M) (7/13/2021) Sta 827 to Sta 823: Maintenance Pig (M) (7/13/2021)
935
(580)
870
(645)
MLV 536-2 to MLV 537-2: Anomaly Remediation (6/21/2021 - 6/30/2021)  MLV 542-1 to MLV 538-1: Pig Runs - Chem Cleaning 6/21 - 6/25, Gauge 6/25, Caliper 6/29, MFL 7/1 (M) (6/21/2021 - 7/1/2021)
MLV 546-1 to MLV 542-1: Pig Runs - Cleaning 7/20, Gauge 7/21, MFL 7/22 (7/20/2021 - 7/22/2021)
MLV 540-2A to MLV 541-2: Class Change (7/24/2021 - 8/19/2021)
MLV 540-2 to MLV 541-2: Anomaly Remediation (7/26/2021 - 8/6/2021) MLV 546-2 to MLV 542-2: Pig Runs - Cleaning 7/28, Gauge 7/29, Caliper 7/30,
MFL 8/2 (7/28/2021 - 8/2/2021)
Sta 555: Unit 4A, 5A, 6A: Automation Upgrade (6/28/2021 - 8/15/2021)
1225
(630)
Sta 563: Annual ESD test (7/13/2021 - 7/14/2021)
2185
(452)
2230
(407)
MLVS 109-3: Class Change / Pipe Replacement (6/11/2021 - 8/24/2021) Sta. 96: Substation Inspection (7/12/2021 - 7/16/2021)
MLV 87-2 to MLV 96-2: Anomaly Remediation (7/12/2021 - 8/2/2021) Station 96: Annual ESD test (7/13/2021 - 7/14/2021)
Station 110: Annual ESD test & Substation Inspection (7/26/2021 - 7/30/2021)
845
(73)
Sta 118A: Unit 1A: Turbine Service and Filter Change Out (6/28/2021 - 6/30/2021)
1520
(314)
MLV 209-2 to MLV 214-2: Anomaly Remediation (6/21/2021 - 7/18/2021) MLVS 213-4: Class Change (7/15/2021 - 8/13/2021)
Station 200: Annual ESD test (7/20/2021 - 7/21/2021)
MLV 209-4 to MLV 214-4: Anomaly Remediation (7/26/2021 - 8/7/2021)
Station 230C (segment 296 FH)
743
220
(523)
Station 230C: Annual ESD test (7/13/2021 - 7/14/2021)
535
(123)
975
(23)
815
(183)
Sta 249: Unit 1A: HPFI Controls Replacement (7/6/2021 - 7/12/2021) Sta 241: Unit 1A: Power Cylinder Liners and Heads (7/19/2021 - 7/29/2021)
Station 249: Annual ESD test (7/29/2021)
MLV 237-2 to MLV 245-2: Re-Run Caliper 6/29 (6/29/2021)
(171)
Sta 261: Station Outage for Line Tie-In (M) (7/12/2021 - 7/30/2021)
985
(169)
Station 307: Annual ESD test (7/6/2021 - 7/13/2021) Sta 307: Station MCC Replacement (7/6/2021 - 7/31/2021)
1770
(159)
1720
(209)
1800
Sta 317: Unit 1C: Borescope (7/12/2021)
Sta 315: Units 2A & 1B: Waterwash & Inspection (7/19/2021 - 7/20/2021) MLV 315-1 to MLV 316-1: Line Reroute (M) (7/24/2021 - 8/2/2021)
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.
August 2021 (updated 06/10/21)
(8/2 - 8/8)
(8/9 - 8/15)
(8/16 - 8/22)
(8/23 - 8/29)
385
(182)
Sta 409: Unit 1A: 25k Hr Inspection (8/17/2021 - 8/22/2021)
835
(40)
Sta 25: Unit 1D: Motor PM (8/2/2021 - 8/6/2021)
Sta 25: Unit 2D: Motor PM (8/9/2021 - 8/13/2021)
1035
(480)
MLV 546-2 to MLV 547-2: Anomaly Remediation (8/19/2021 - 9/10/2021) MLV 540-1A to MLV 541-1: Class Change (8/20/2021 - 9/9/2021)
2130
(507)
MLVS 109-3: Class Change / Pipe Replacement (6/11/2021 - 8/24/2021)
MLV 87-2 to MLV 96-2: Anomaly Remediation (7/12/2021 - 8/2/2021) Station 87: Annual ESD test (8/11/2021)
MLVS 213-4: Class Change (7/15/2021 - 8/13/2021)
Station 233
(segment 233 BH)
340
(340)
MLVS 236-1: Pipe Replacement (M) (8/9/2021 - 8/15/2021)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor,
generator, fuel gas, et al) (4/19/2021 - 8/30/2021)
1010
(144)
1020
Station 303A: Annual ESD test (8/2/2021 - 8/5/2021) Station 219: Annual ESD test (8/24/2021 - 8/25/2021)
MLV 315-1 to MLV 316-1: Line Reroute (M) (7/24/2021 - 8/2/2021)
September 2021 (updated 06/10/21)
(8/30 - 9/5)
(9/6 - 9/12)
(9/13 - 9/19)
(9/20 - 9/26)
(9/27 - 10/3)
Sta 409: Unit 2A: 25k Hr Inspection (9/14/2021 - 9/19/2021)
920
(107)
Station 9: Annual ESD test (9/30/2021)
820
(55)
MLV 31-2 to MLV 32-2: Wrinkle Bend Removal & Mod Pig Traps (10/1/2021 - 11/30/2021)
1450
(384)
Sta 204: PECO Filter Change (9/13/2021 - 9/15/2021) Sta 209: PECO Filter Change (9/16/2021 - 9/17/2021)
Sta 249: Unit 1A: Air Manifold Replacement & Crankcase Inspection (9/20/2021 - 10/1/2021)
Station 313 Discharge (segment 399 FH)
806
505
(301)
Station 313: Annual ESD test (9/28/2021)