-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 04/08/21)
-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
(4/12)
Tuesday
(4/13)
Wednesday
(4/14)
Thursday
(4/15)
Friday
(4/16)
Saturday
(4/17)
Sunday
(4/18)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
567
MLV 406
(segment 406 BH)
397
370
(27)
MLV 405-1 to MLV 408-1: Anomaly Remediation (3/15/2021 - 5/7/2021) MLV 408-1 to MLV 409-1: Anomaly Remediation (4/5/2021 - 4/23/2021)
Station 1
(segment 101 BH)
296
Station 9
(segment 109 BH)
1,027
890
(137)
MLV 8-2 to MLV 9-2: High Priority Anomaly (11/23/2020 - 5/23/2021) MLV 5-2 to MLV 7-2: Spike Test (2/8/2021 - 4/30/2021)
MLV 17-1-1S to MLV 9-1D: Pig Run - Cleaning 4/7 - 4/9, Gauge 4/9, Combo 4/13 (4/7/2021 - 4/13/2021)
Station 25
(segment 125 BH)
875
Station 32
(segment 132 BH)
870
(5)
MLV 40-2 to MLV 32-2: Maintenance Pig (M) (4/13/2021)
Station 40 KN South (segment 501 FH)
251
200
(51)
Sta 500C1: Unit 1A: Turbine Inspections (4/13/2021 - 4/14/2021)
Station 823
(segment 823 BH)
688
Station 834
(segment 834 BH)
724
Station 548
(segment 542 BH)
1,515
1120
(395)
1125
(390)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 6/30/2021) Sta 542: Unit 1B: Repair Air Leak (4/5/2021 - 4/16/2021)
MLV 540-1 to MLV 542-1: Install Valve (M) (4/8/2021 - 4/30/2021)
Sta 546: Unit 7A: Engine and Compressor Overhaul (4/12/2021 - 6/11/2021)
Station 860
(segment 548 BH)
1,534
Station 860 North
(Segment 860 BH)
1,855
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,637
2590
(47)
Sta 871: Unit 1A: Replace Power Heads (4/5/2021 - 4/16/2021)
MLV 106-2 to MLV 110-2: Anomaly Remediation (M) (4/8/2021 - 5/31/2021)
Station 114
(segment 114 BH)
918
Station 204
(Segment 204 BH)
1,834
1710
(124)
1790
(44)
Sta 204: Unit 6A: Replace Gaskets & Maintenance (2/1/2021 - 4/23/2021) Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) Sta 200: Unit 1A: Turbo Replacement (3/29/2021 - 4/30/2021)
Sta 209: Unit 7A: Carbon Punch (4/12/2021 - 4/16/2021)
Station 245
(segment 245 FH)
998
980
(18)
Sta 245: Unit 2B: 50k Hr Overhaul (4/5/2021 - 5/8/2021)
Station 261 Discharge (segment 261 FH)
881
Station 307
(segment 307 BH)
1,154
1115
(38)
Sta 307: Unit 3A: Foundation Replacement (2/15/2021 - 6/10/2021)
Station 315
(segment 315 BH)
1,929
Station 325
(segment 324 FH)
1,599
1419
(180)
Sta 325: Unit 4A - Emergent Repair (4/8/21 - 4/18/21)
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.
April 2021 (updated 04/08/21)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(4/5 - 4/11)
Week 2
(4/12 - 4/18)
Week 3
(4/19 - 4/25)
Week 4
(4/26 - 5/2)
Primary Outage(s)
MLV 405-1 to MLV 408-1: Anomaly Remediation (3/15/2021 - 5/7/2021)
MLV 408-1 to MLV 409-1: Anomaly Remediation (4/5/2021 - 4/23/2021) MLV 404-1 to MLV 405-1: Anomaly Remediation (4/26/2021 - 4/30/2021)
150
(146)
Station 1: Annual ESD test (4/21/2021)
MLV 8-2 to MLV 9-2: High Priority Anomaly (11/23/2020 - 5/23/2021)
MLV 5-2 to MLV 7-2: Spike Test (2/8/2021 - 4/30/2021)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 6/30/2021)
Station 860 North (Segment 860 BH)
2155
(482)
Station 106: Annual ESD test (4/26/2021 - 4/30/2021)
771
(147)
MLV 117-2 TO MLV 114-2D: Pig Runs - Cleaning/Gauge 4/6/21, AFD 4/7/21,
EMAT 4/29/21 (4/6/2021 - 4/29/2021)
Sta 204: Unit 6A: Replace Gaskets & Maintenance (2/1/2021 - 4/23/2021)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) Sta 200: Unit 1A: Turbo Replacement (3/29/2021 - 4/30/2021)
Sta 209: Unit 6A: Carbon Punch (4/19/2021 - 4/23/2021)
Sta 204: Unit 11A: Compressor Cylinders and Pistons (4/26/2021 - 5/21/2021)
931
(67)
Sta 237-1 to Sta 245-1: Pig run - Efficiency 4/27/21 (4/27/2021)
Station 261 Suction (segment 260 FH)
1,106
935
(171)
Sta 261: Station Outage for Line Tie-In (M) (4/19/2021 - 4/30/2021)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator, fuel gas, et al) (4/19/2021 - 8/30/2021)
975
(179)
1000
(154)
Station 310: Annual ESD test (4/21/2021)
Sta 307: Unit 5A: Install Fuel Injection System and Fuel Gas Skid (5/1/2021 - 9/15/2021)
1475
(454)
Station 315: Annual ESD test (4/27/2021)
May 2021 (updated 04/08/21)
(5/3 - 5/9)
(5/10 - 5/16)
(5/17 - 5/23)
(5/24 - 5/30)
MLV 405-1 to MLV 408-1: Anomaly Remediation (3/15/2021 - 5/7/2021) MLV 403-1 to MLV 404-1: Anomaly Remediation (5/3/2021 - 5/7/2021)
955
(72)
575
(149)
Sta 834: Station Filter Change Out (5/3/2021 - 5/5/2021) Sta 836: Station Filter Inspection (5/6/2021)
(535)
940
(575)
Sta 546: Unit 7A: Engine and Compressor Overhaul (4/12/2021 - 6/11/2021) MLV 542-2 to MLV 544-2: Valve & Drip Replacement (5/3/2021 - 6/1/2021) Station 546: Annual ESD test & Maintenance (5/17/2021 - 5/22/2021)
1250
(284)
Station 555: Annual ESD test (5/5/2021)
2475
(212)
2615
(22)
2560
(77)
MLV 106-2 to MLV 110-2: Anomaly Remediation (M) (4/8/2021 - 5/31/2021) Station 875: Annual ESD test (5/3/2021 - 5/7/2021)
Sta 96: Unit 1D: Gas Scrubber Filter Inspection (5/24/2021) Sta 96: Unit 2D: Gas Scrubber Filter Inspection (5/25/2021)
800
(118)
845
(73)
Sta. 119A: Annual ESD test (5/17/2021 - 5/18/2021)
Sta 119A: Unit 1A: Turbine Service and Filter Change Out (5/19/2021 - 5/21/2021)
Sta. 118A: Annual ESD test (5/24/2021 - 5/25/2021)
Sta 118A: Unit 1A: Turbine Service and Filter Change Out (5/26/2021 - 5/28/2021)
1610
(224)
1725
(109)
1445
(389)
1560
(274)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) Sta 204: Unit 11A: Compressor Cylinders and Pistons (4/26/2021 - 5/21/2021)
Station 214: Annual ESD test (5/3/2021 - 5/7/2021)
MLV 214-4 to MLV 219-4: Anomaly Remediation (M) (5/8/2021 - 5/25/2021) Station 204: Annual ESD test (5/17/2021 - 5/21/2021)
Station 209: Annual ESD test (5/24/2021 - 5/28/2021)
905
(93)
(198)
535
(463)
MLV 245-1 to MLV 249-1: Anomaly Remediation (5/3/2021 - 5/14/2021) Sta 241: Unit 3A: Exchange Turbocharger and Water Pumps (5/17/2021 - 5/20/2021)
Station 245: Annual ESD test (5/17/2021 - 5/21/2021)
MLV 237-2 to MLV 245-2: Cleaning, Gage, Combo (5/24/2021 - 6/2/2021) Sta 241: Unit 1A: Power Cylinder Liners and Heads (5/24/2021 - 6/3/2021)
Station 254
(segment 256 FH)
1,180
860
(320)
Station 254: Annual ESD test (5/24/2021)
Sta 254: Unit 2B: Turbine Exchange (5/24/2021 - 6/11/2021)
(106)
910
(244)
MLV 307-1 to 313-1: Anomaly Remediation (5/26/2021 - 6/15/2021)
1400
(199)
MLV 325-2 to MLV 329-2: Anomaly Remediation (5/24/2021 - 5/30/2021)
June 2021 (updated 04/08/21)
(5/31 - 6/6)
(6/7 - 6/13)
(6/14 - 6/20)
(6/21 - 6/27)
385
(182)
Station 409: Annual ESD test (6/22/2021)
0
(251)
MLV 504-1A and MLV 505-1: Pipe Replacement Whiskey Chitto River Crossing (M) (6/23/2021 - 6/30/2021)
Station 847
(segment 847 BH)
319
(319)
MLV 847-1 to MLV 851-1: Anomaly Remediation (M) (6/23/2021 - 6/30/2021)
(580)
Sta 546: Unit 7A: Engine and Compressor Overhaul (4/12/2021 - 6/11/2021) MLV 542-2 to MLV 544-2: Valve & Drip Replacement (5/3/2021 - 6/1/2021) MLV 543-2 to MLV 545-2: Valve Replacement (6/1/2021 - 6/7/2021)
MLV 540-2A to MLV 541-2: Class Change (6/10/2021 - 8/27/2021)
MLV 536-2 to MLV 537-2: Anomaly Remediation (6/21/2021 - 6/30/2021)
2230
(407)
MLV 106-2 to MLV 110-2: Anomaly Remediation (M) (4/8/2021 - 5/31/2021) MLV 87-2 to MLV 96-2: Anomaly Remediation (6/1/2021 - 6/27/2021) MLVS 109-3: Class Change / Pipe Replacement (6/7/2021 - 8/24/2021) Station 110: Annual ESD test (6/14/2021 - 6/18/2021)
715
(203)
Station 114: Annual ESD test (6/7/2021 - 6/8/2021)
Sta 114: Unit 1D: Turbine Service and Filter Change Out (6/9/2021 - 6/11/2021)
1755
(79)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) Station 200: Annual ESD test (6/8/2021 - 6/9/2021)
MLVS 213-1: Class Change (6/9/2021 - 7/8/2021)
MLV 209-2 to MLV 214-2: Anomaly Remediation (6/21/2021 - 7/18/2021)
MLV 237-2 to MLV 245-2: Cleaning, Gage, Combo (5/24/2021 - 6/2/2021) Sta 241: Unit 1A: Power Cylinder Liners and Heads (5/24/2021 - 6/3/2021) Station 241: Annual ESD test (6/14/2021 - 6/15/2021)
Sta 241: Station Filter Separator Inspections (6/15/2021 - 6/17/2021)
1065
(87)
1070
(84)
Station 321
(segment 321 FH)
1,924
1645
(279)
Sta 321: Gas Cooler Installation (6/1/2021 - 6/15/2021)
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.
July 2021 (updated 04/08/21)
Est Nominal Operating Capacity
(Thousand Dth)
(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
242
Sta 409A: Protective Device Inspection (6/28/2021 - 7/10/2021) Station 409A: Annual ESD test (7/19/2021)
(12)
245
(152)
MLVS 404-1: Class Change (7/15/2021 - 7/31/2021) MLVS 404-2: Class Change (8/1/2021 - 8/15/2021)
865
(162)
Station 3A: Annual ESD test (7/13/2021)
155
(96)
Station 504: Annual ESD test (7/28/2021)
225
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)
(645)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 6/30/2021) MLV 540-2A to MLV 541-2: Class Change (6/10/2021 - 8/27/2021)
MLV 536-2 to MLV 537-2: Anomaly Remediation (6/21/2021 - 6/30/2021) 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 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)
1530
(4)
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)
MLVS 109-3: Class Change / Pipe Replacement (6/7/2021 - 8/24/2021)
1800
(34)
1450
(384)
1520
(314)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/9/2021) MLVS 213-1: Class Change (6/9/2021 - 7/8/2021)
MLV 209-2 to MLV 214-2: Anomaly Remediation (6/21/2021 - 7/18/2021) Sta 204: PECO Filter Change (7/19/2021 - 7/20/2021)
Sta 209: PECO Filter Change (7/21/2021 - 7/22/2021) MLVS 213-4: Class Change (7/23/2021 - 8/22/2021)
(123)
815
(183)
Sta 249: Unit 1A: HPFI Controls Replacement (7/6/2021 - 7/12/2021) Station 249: Annual ESD test (7/29/2021)
Sta 261: Station Outage for Line Tie-In (M) (7/12/2021 - 7/30/2021)
Sta 307: Station MCC Replacement (7/1/2021 - 7/31/2021)