-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 07/22/21)
-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
(7/26)
Tuesday
(7/27)
Wednesday
(7/28)
Thursday
(7/29)
Friday
(7/30)
Saturday
(7/31)
Sunday
(8/1)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
567
445
(122)
MLV 406-1 to MLV 409-1: Spike / Hydro Test (7/14/2021 - 9/10/2021)
Station 1
(segment 101 BH)
296
MLV 3
727
565
(162)
Sta 3A: Unit 1A: 20k Inspection (7/26/2021 - 7/31/2021)
Station 3A: Annual ESD test (7/26/2021 - 7/31/2021)
Station 9
(segment 109 BH)
1,027
Station 25
(segment 125 BH)
875
Station 823
(segment 823 BH)
688
Station 834
(segment 834 BH)
724
Station 548
(segment 542 BH)
1,515
935
(580)
870
(645)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 7/30/2021)
MLV 540-2 to MLV 541-2: Anomaly Remediation (7/28/2021 - 8/6/2021) MLV 546-2 to MLV 542-2: Pig Runs - Cleaning 7/27, Gauge 7/28, Caliper 7/30,
MFL 8/2 (7/27/2021 - 8/2/2021)
MLV 540-2A to MLV 541-2: Class Change (7/28/2021 - 8/23/2021)
Station 860
(segment 548 BH)
1,534
1530
(4)
Sta 555: Unit 4A, 5A, 6A: Automation Upgrade (6/28/2021 - 8/15/2021)
Station 860 North (Segment 860 BH)
1,855
Station 110
(segment 187 BH)
(south thru Kentucky)
2,637
2030
(607)
2560
(77)
MLVS 109-3: Class Change / Pipe Replacement (6/11/2021 - 8/24/2021)
MLV 87-2 to MLV 96-2: Anomaly Remediation (7/19/2021 - 8/9/2021) Station 110: Annual ESD test & Substation Inspection (7/26/2021 - 7/30/2021)
Sta 106: Unit 2D: 8K Inspection (7/26/2021 - 7/30/2021) Sta 87: Unit 2E: RMC Upgrade (7/27/2021 - 7/28/2021)
Station 114
(segment 114 BH)
918
Station 204
(Segment 204 BH)
1,834
1500
(334)
1520
(314)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 7/30/2021)
Sta 204: Unit 11A: Compressor Cylinders and Pistons (4/26/2021 - 8/20/2021) Sta 204: Operational Conditions (5/1/2021 - 10/31/2021)
MLVS 213-4: Class Change (7/15/2021 - 8/13/2021)
MLV 209-4 to MLV 214-4: Anomaly Remediation (7/20/2021 - 8/2/2021)
MLV 217
(Segment 217 BH)
1,553
1150
(403)
MLV 217: Operational Conditions (7/1/2021 - 10/31/2021)
Station 245
(segment 245 FH)
998
(123)
955
(43)
975
(23)
Sta 249: Unit 1A: HPFI Controls Replacement (7/19/2021 - 7/27/2021)
Sta 241: Unit 1A: Power Cylinder Liners and Heads (7/19/2021 - 7/29/2021) Sta 241: Unit 3A: Replace Head Gaskets (7/26/2021 - 7/28/2021)
Station 261 Suction (segment 260 FH)
1,106
(171)
965
(141)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator,
fuel gas, et al) (4/19/2021 - 8/30/2021)
Sta 261: Station Outage for Line Tie-In (M) (7/12/2021 - 7/30/2021) Sta 261: Unit 5A: Controls Upgrade (7/12/2021 - 8/16/2021)
Station 307
(segment 307 BH)
1,154
985
(169)
1000
(154)
Sta 307: Unit 3A: Foundation Replacement (2/15/2021 - 8/15/2021)
Sta 307: Unit 5A: Install Fuel Injection System and Fuel Gas Skid (5/1/2021 - 9/15/2021)
Sta 307: Station MCC Replacement (7/6/2021 - 7/31/2021)
Station 315
(segment 315 BH)
1,929
1800
(129)
MLV 315-1 to MLV 316-1: Line Reroute (M) (7/30/2021 - 8/9/2021)
Station 317
(segment 317 BH)
1,654
1504
(150)
Sta 317: Unit 1C: Emergent Repair (7/12/2021 - 7/31/2021)
Station 325
(segment 324 FH)
1,599
Station 405 HC Line (segment 299 FH)
803
Station 224
(segment 224 BH)
178
100
(78)
Sta 224: Operational Conditions (5/1/2021 - 10/31/2021)
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.
The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
August 2021 (updated 07/22/21)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(8/2 - 8/8)
Week 2
(8/9 - 8/15)
Week 3
(8/16 - 8/22)
Week 4
(8/23 - 8/29)
Primary Outage(s)
385
(182)
Sta 409: Unit 1A: 25k Hr Inspection (8/17/2021 - 8/22/2021)
835
(40)
Sta 25: Unit 1D: Motor PMÂ (8/2/2021 - 8/6/2021)
Sta 25: Unit 2D: Motor PMÂ (8/9/2021 - 8/13/2021)
Carthage Lateral (segment 700 FH)
303
0
(303)
MLV 700-1 to MLV 701-1: Wrinkle Bend Replacement (M) (8/2/2021 - 8/31/2021)
Station 847
(segment 847 BH)
319
250
(69)
Sta 847: Sub-Station Inspection (8/2/2021 - 8/3/2021)
820
(695)
MLV 540-2 to MLV 541-2: Anomaly Remediation (7/28/2021 - 8/6/2021)
MLV 546-2 to MLV 542-2: Pig Runs - Cleaning 7/27, Gauge 7/28, Caliper 7/30, MFL 8/2 (7/27/2021 - 8/2/2021)
MLV 546-3 to MLV 544-3: Pig Runs - Cleaning 8/9, Gauge 8/10, MFL 8/11 (8/9/2021 - 8/11/2021)
MLV 547-2 to MLV 548-2: Anomaly Remediation (M) (8/9/2021 - 8/18/2021) MLV 546-1 to MLV 542-1: Pig Runs - Cleaning 7/20, Gauge 7/21, MFL 7/22 (8/16/2021 - 8/20/2021)
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 - 9/18/2021)
1465
Sta 555: Unit 3A: Replace Isolation Valve (8/5/2021 - 8/6/2021)
Station 860 North
(Segment 860 BH)
(south thru
Kentucky)
2130
(507)
MLV 87-2 to MLV 96-2: Anomaly Remediation (7/19/2021 - 8/9/2021) Station 87: Annual ESD test (8/11/2021)
1455
(379)
1700
(134)
Sta 204: Unit 11A: Compressor Cylinders and Pistons (4/26/2021 - 8/20/2021)
Sta 204: Operational Conditions (5/1/2021 - 10/31/2021) MLVS 213-4: Class Change (7/15/2021 - 8/13/2021)
MLV 209-4 to MLV 214-4: Anomaly Remediation (7/20/2021 - 8/2/2021) Sta 209: Unit 11A: Protective Device Testing (8/2/2021)
MLV 204-3 to MLV 208-3: Anomaly Remediation (8/2/2021 - 8/21/2021) Sta 209: Unit 12A: Protective Device Testing (8/3/2021)
Sta 209: Unit 13A: Protective Device Testing (8/4/2021)
Sta 209: Unit 3A: Replace Jacket Water Jumper Hoses (8/9/2021 - 8/11/2021) MLVS 213-1: Class Change (8/17/2021 - 9/11/2021)
Sta 204: Unit 6A: Replace Exhaust Manifold (8/23/2021 - 9/3/2021)
Station 233
(segment 233 BH)
340
(340)
MLVS 236-1: Pipe Replacement (M) (8/16/2021 - 8/22/2021)
880
(118)
Station 237: Annual ESD test (8/17/2021)
(106)
Sta 261: Unit 5A: Controls Upgrade (7/12/2021 - 8/16/2021)
1070
(84)
1020
Station 303A: Annual ESD test (8/2/2021 - 8/5/2021)
Station 219: Annual ESD test (8/24/2021 - 8/25/2021)
1720
(209)
Sta 315: Units 2A & 1B: Waterwash & Inspection (8/10/2021 - 8/12/2021)
Station 321
(segment 321 FH)
1,924
1645
(279)
Sta 321: Gas Cooler Automation Installation (8/24/2021)
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.
September 2021 (updated 07/22/21)
(8/30 - 9/5)
(9/6 - 9/12)
(9/13 - 9/19)
(9/20 - 9/26)
Week 5
(9/27 - 10/3)
MLV 406-1 to MLV 409-1: Spike / Hydro Test (7/14/2021 - 9/10/2021) Sta 409: Unit 2A: 25k Hr Inspection (9/14/2021 - 9/19/2021)
920
(107)
Station 9: Annual ESD test (9/30/2021)
Station 32
(segment 132 BH)
(55)
MLV 31-2 to MLV 32-2: Wrinkle Bend Removal & Mod Pig Traps (10/1/2021 - 11/30/2021)
Station 40 KN South (segment 501 FH)
251
(251)
MLV 504-1A and MLV 505-1: Pipe Replacement Whiskey Chitto River Crossing (M) (9/16/2021 - 9/25/2021)
Sta 504: Filter Change Out (9/16/2021 - 9/25/2021)
(515)
1125
(390)
1765
(90)
1290
(565)
MLV 863-1 to MLV 864-1: Paint 1 Span (9/2/2021 - 9/13/2021)
Sta 860: Replace Unit Isolation Valves & Station Maintenance (9/27/2021 - 10/3/2021)
Station 860: Annual ESD test (9/27/2021 - 10/3/2021)
1450
(384)
Sta 204: Operational Conditions (5/1/2021 - 10/31/2021) MLVS 213-1: Class Change (8/17/2021 - 9/11/2021)
Sta 204: Unit 6A: Replace Exhaust Manifold (8/23/2021 - 9/3/2021) Sta 204: Unit 12A: Deactivator Installation (9/6/2021 - 9/8/2021)
MLV 204-2 to MLV 208-2: Anomaly Remediation (9/8/2021 - 9/26/2021) Sta 204: PECO Filter Change (9/13/2021 - 9/15/2021)
Sta 209: PECO Filter Change (9/16/2021 - 9/17/2021)
MLV 205-1 to MLV 209-1: Anomaly Remediation (9/27/2021 - 10/31/2021)
Sta 241: Unit 3A: Fuel System Control Upgrade (9/13/2021 - 9/17/2021) Sta 241: Unit 2A: Fuel System Control Upgrade (9/20/2021 - 9/24/2021)
Sta 249: Unit 1A: Air Manifold Replacement & Crankcase Inspection (9/20/2021
- 10/1/2021)
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator, fuel gas, et al) (4/19/2021 - 8/30/2021)
Station 313 Discharge (segment 399 FH)
806
505
(301)
Station 313: Annual ESD test (9/28/2021)
1390
(264)
Station 317: Annual ESD test (9/21/2021)
690
(113)
Sta 405A: Filter / Scrubber Maintenance (9/20/2021 - 9/24/2021) Sta 313 to Sta 237: Maintenance Pig (9/21/2021)
October 2021 (updated 07/22/21)
(10/4 - 10/10)
(10/11 - 10/17)
(10/18 - 10/24)
(10/25 - 10/31)
415
(152)
MLV 401-1 to MLV 409-1: Maintenance Pig (10/13/2021) MLV 401-2 to MLV 409-2: Maintenance Pig (10/14/2021)
840
(35)
Sta 25: Unit 1C: Stator Replacement (10/4/2021 - 10/14/2021)
200
(51)
Sta 500C1: Unit A1: Unit Replacement (10/18/2021 - 11/5/2021)
225
(463)
Sta 827 to Sta 823: Maintenance Pig (M) (10/6/2021) Sta 834 to Sta 827: Maintenance Pig (M) (10/6/2021)
1510
(5)
1300
(215)
980
(535)
MLV 545-1: Valve Replacement (10/8/2021 - 10/18/2021)
Sta. 546: Annual ESD Re- test & Starting Gas Valve Replacement (10/19/2021 - 10/21/2021)
Sta 542: Annual ESD & Electrical Tests (10/25/2021 - 10/29/2021)
845
(73)
Sta 118A: Unit 1A: Turbine Service and Filter Change Out (10/4/2021 - 10/6/2021)
Sta 204: Operational Conditions (5/1/2021 - 10/31/2021)
Station 266A (segment 282 FH)
371
181
(190)
Station 266A: Annual ESD test (M) (10/22/2021)
November 2021 (updated 07/22/21)
(11/1 - 11/7)
(11/8 - 11/14)
(11/15 - 11/21)
(11/22 - 11/28)
584
1,068
897
264
(64)
713
733
1,984
2,739
954
(114)
Sta 119A: Unit 1A: Turbine Service and Filter Change Out (11/1/2021 - 11/3/2021)
Sta 114: Unit 1D: Turbine Service and Filter Change Out (11/8/2021 - 11/10/2021)
1,905
1,065
1,181
1,205
1,959
1,712
826
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