-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 10/14/21)
-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
(10/18)
Tuesday
(10/19)
Wednesday
(10/20)
Thursday
(10/21)
Friday
(10/22)
Saturday
(10/23)
Sunday
(10/24)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
567
475
(92)
MLV 409A-101.1 to MLV 409A-102: Class Change (M) (8/31/2021 - 10/29/2021)
Station 1
(segment 101 BH)
296
Station 9
(segment 109 BH)
1,027
Station 17
(segment 117 BH)
875
820
(55)
Sta 17: Unit 2C: Overhaul (10/4/2021 - 11/12/2021)
Station 25
(segment 125 BH)
835
(40)
Sta 25: Unit 2D: Voith Bearing (7/29/2021 - 11/1/2021) Sta 25: Unit 1D: Voith Bearing (10/4/2021 - 12/1/2021)
Station 40 South
(segment 132 BH)
825
(50)
Sta 40: Unit 1C: Overhaul (9/7/2021 - 10/19/2021)
Station 40 KN South (segment 501 FH)
251
Station 823
(segment 823 BH)
688
225
(463)
Sta 834 to Sta 827: Maintenance Pig (M) (10/20/2021) Sta 827 to Sta 823: Maintenance Pig (M) (10/20/2021)
Station 834
(segment 834 BH)
724
Station 548
(segment 542 BH)
1,515
1485
(30)
1510
(5)
Sta 542: Unit 4A: Crankshaft Repair (2/24/2021 - 10/22/2021) MLV 545-1: Valve Replacement (10/22/2021 - 11/5/2021)
Station 860
(segment 548 BH)
1,534
1475
(59)
(24)
Sta 546: Unit 7A: Starter / Ring-Gear System (8/26/2021 - 10/22/2021) Sta 555: Units 4A, 5A, 6A: Replace Unloaders (10/11/2021 - 10/30/2021) Sta 550: Unit 1B: Automation Upgrade (10/13/2021 - 11/9/2021)
Station 860 North
(Segment 860 BH)
1,855
1290
(565)
Station 860: Annual ESD test (10/11/2021 - 10/21/2021)
Sta 860: Replace Unit Isolation Valves & Station Maintenance (10/11/2021 - 10/21/2021)
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,637
2445
(192)
2590
(47)
2615
(22)
MLV 112-2 to MLV 113-2: Wrinkle Bend Replacement (M) (10/7/2021 - 10/18/2021)
Sta 87: Bldg D Valve Replacement (10/18/2021 - 10/22/2021) Sta 106: Unit 13B: Turbo Charger (10/18/2021 - 11/5/2021)
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 - 11/4/2021) Sta 204: Operational Conditions (5/1/2021 - 10/31/2021)
MLV 205-1 to MLV 209-1: Anomaly Remediation (10/5/2021 - 10/31/2021) Sta 204: Unit 5A: Crankcase Inspection (10/11/2021 - 11/4/2021)
Sta 209: Unit 12A: Crankcase Inspection (10/18/2021 - 10/21/2021)
Sta 200: Unit 12A: Crankcase Inspection (10/18/2021 - 10/22/2021)
MLV 217
(Segment 217 BH)
1,553
1150
(403)
MLV 217: Operational Conditions (7/1/2021 - 10/31/2021)
MLV 230
(segment 230 BH)
341
0
(341)
MLV 230 to Sta 237: Force Majeure (7/27/2021 - 10/31/2021)
Station 237 West (segment 233 FH)
347
275
(72)
Sta 237: Unit 1A: Crankcase Inspection (10/18/2021 - 10/20/2021) Sta 237: Unit 2A: Crankcase Inspection (10/21/2021 - 10/22/2021)
Station 245
(segment 245 FH)
998
930
(68)
965
(33)
MLV 248-1 to MLV 249-1: Anomaly Remediation (10/15/2021 - 10/18/2021) Sta 241: Unit 1A: Crankcase Inspection (10/18/2021 - 10/21/2021)
MLVS 249-2: Meter Station Upgrade Iroquois Wright (Mtr 412181) (10/18/2021 - 10/22/2021)
N Hampton Lat (segment 280 FH)
41
34
(7)
Sta 260A: Station Transformer (M) (8/9/2021 - 11/3/2021)
Station 261 Suction (segment 260 FH)
1,139
Station 261 Discharge (segment 261 FH)
881
550
(331)
Sta 264: Annual ESD test (10/20/2021)
Station 307
(segment 307 BH)
1,154
1070
(84)
Sta 307: Unit 5A: Flywheel Jack (10/21/2021 - 10/23/2021)
Station 315
(segment 315 BH)
1,929
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.
October 2021 (updated 10/14/21)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(10/4 - 10/10)
Week 2
(10/11 - 10/17)
Week 3
(10/18 - 10/24)
Week 4
(10/25 - 10/31)
Primary Outage(s)
Sta 25: Unit 2D: Exciter Panel Replacement (10/26/2021 - 10/28/2021) Sta 25: Unit 1D: Motor PM (10/29/2021 - 10/30/2021)
Sta 25: Unit 1D: Exciter Panel Replacement (10/29/2021 - 10/30/2021)
MLV 40-2S to MLV 32-2D: PIG Run - Cleaning 10/26 - 10/29, Gauge 10/29, DEF 11/2, MDS 11/4 (10/26/2021 - 11/4/2021)
200
(51)
Sta 500C1: Unit A1: Unit Replacement (10/25/2021 - 11/20/2021) Station 500C1: Annual ESD test (10/26/2021)
MLV 822 East
(segment 822 BH)
972
780
Sta 823: Unit 10A (10/25/2021 - 11/4/2021)
Station 847
(segment 847 BH)
319
235
Sta. 847: Annual ESD Test (10/28/2021)
980
(535)
MLV 545-1: Valve Replacement (10/22/2021 - 11/5/2021)
Sta 542: Annual ESD & Electrical Tests (10/25/2021 - 10/29/2021) MLVS 545-1: High Priority Remediation (10/27/2021 - 11/5/2021)
Sta 555: Units 4A, 5A, 6A: Replace Unloaders (10/11/2021 - 10/30/2021) Sta 550: Unit 1B: Automation Upgrade (10/13/2021 - 11/9/2021)
1275
(580)
Sta 563: Unit 2A: Water Wash (10/25/2021 - 10/26/2021)
Sta 563: Unit 1A: Water Wash & Strainer Maintenance (10/27/2021 - 10/30/2021)
Sta 106: Unit 13B: Turbo Charger (10/18/2021 - 11/5/2021)
730
(268)
Sta 241: Unit 2A: Crankcase Inspection (10/25/2021 - 10/28/2021) MLV 241-2 to MLV 242-2: Anomaly Remediation (10/25/2021 - 11/6/2021)
975
(179)
Sta 310: Unit 1A: Fuel Valve Replacement (10/26/2021)
(178)
Sta 224: Operational Conditions (5/1/2021 - 10/31/2021) MLVS 228-1: Anomaly Remediation (10/25/2021 - 10/30/2021)
November 2021 (updated 10/14/21)
(11/1 - 11/7)
(11/8 - 11/14)
(11/15 - 11/21)
(11/22 - 11/28)
585
368
1,069
898
(63)
Sta 25: Unit 2D: Voith Bearing (7/29/2021 - 11/1/2021)
Sta 25: Unit 1D: Voith Bearing (10/4/2021 - 12/1/2021)
(73)
MLV 40-2S to MLV 32-2D: PIG Run - Cleaning 10/26 - 10/29, Gauge 10/29,
DEF 11/2, MDS 11/4 (10/26/2021 - 11/4/2021)
MLV 28-1 to MLV 29-1: Wrinkle Bend Replacement (11/4/2021 - 11/24/2021)
268
80
(188)
Sta 500C1: Unit A1: Unit Replacement (10/25/2021 - 11/20/2021)
MLV 500-1 TO MLV 507-1: Pig run - AFD 11/10 (M) (11/10/2021)
925
Sta 823: Unit 12A: HP Bottles (11/8/2021 - 11/12/2021)
713
733
1,628
(118)
MLVS 545-1: High Priority Remediation (10/27/2021 - 11/5/2021)
1,655
(145)
Sta 550: Unit 1B: Automation Upgrade (10/13/2021 - 11/9/2021)
Station 860 North (Segment 860 BH)
1,985
2,732
2400
(332)
2610
(122)
Sta 106: Unit 1C - MCC Replacement (11/1/2021 - 11/12/2021) Sta 871: Sta Outage Replace Unit Valves (11/2/2021 - 11/3/2021)
954
380
(574)
845
(109)
Sta 114: Unit 1D: Turbine Service and Filter Change Out (11/1/2021 -
11/3/2021)
MLV 121-2 to MLV 121-2A: Wrinkle Bend Replacement (11/1/2021 - 11/7/2021)
Sta 119A: Unit 1A: Turbine Service and Filter Change Out (11/4/2021 - 11/6/2021)
Sta 118A: Unit 1A: Turbine Service and Filter Change Out (11/8/2021 - 11/10/2021)
1,905
1805
(100)
1815
(90)
Sta 209: Unit 10A: Full Foundation Replacement (3/15/2021 - 11/4/2021)
Sta 204: Unit 5A: Crankcase Inspection (10/11/2021 - 11/4/2021) Sta 204: Unit 4A: Install Deactivator (11/8/2021)
Sta 204: Unit 3A: Install Deactivator (11/9/2021)
Sta 204: Unit 1A: Install Deactivator (11/10/2021 - 11/17/2021)
1,065
760
(305)
MLV 241-2 to MLV 242-2: Anomaly Remediation (10/25/2021 - 11/6/2021)
991
1,206
1,957
1,732
827
239
(588)
MLV 313A-403 to MLV 313A-404: Replace Creek Crossing (M) (11/1/2021 -
11/8/2021)
December 2021 (updated 10/14/21)
(11/29 - 12/5)
(12/6 - 12/12)
(12/13 - 12/19)
(12/20 - 12/26)
Week 5
(12/27 - 1/2)
290
(295)
Sta 409: Unit 2A: 25k Hr Inspection (12/3/2021 - 12/8/2021)
840
(58)
Sta 25: Unit 1C: Stator Replacement (12/7/2021 - 12/17/2021) Sta 25: Annual ESD & Sub-Station Testing (12/13/2021 - 12/17/2021)
675
Station 836A: Annual ESD test (12/6/2021 - 12/10/2021)
1300
(328)
Sta. 546: Annual ESD Re- test & Starting Gas Valve Replacement (11/30/2021 -
12/2/2021)
1370
(285)
Station 550: Annual ESD test (12/7/2021)
1885
(20)
Sta 204: Unit 2A: Engine and Compressor Inspection (11/29/2021 - 12/2/2021)
Sta 204: Unit 10A: Punching Carbon & Maintenance (12/8/2021 - 12/16/2021)
January 2022 (updated 10/14/21)
(1/3 - 1/9)
(1/10 - 1/16)
(1/17 - 1/23)
(1/24 - 1/30)