EPNG Maintenance Calendar
March 2026
Seg Area
Seg Nbr
Flow Dir
Location
Base Capacity (MDth)
Sun 1
Mon 2
Tue 3
Wed 4
Thu 5
Fri 6
Sat 7
Sun 8
Mon 9
Tue 10
Wed 11
Thu 12
Fri 13
Sat 14
Sun 15
Mon 16
Tue 17
Wed 18
Thu 19
Fri 20
Sat 21
Sun 22
Mon 23
Tue 24
Wed 25
Thu 26
Fri 27
Sat 28
Sun 29
Mon 30
Tue 31
Anadarko
690
F
PLAIN ST
756
405
% Seg Avail
46%
740
B
AMAR N
310
51
84%
AMAR S
44
86%
Havasu
400
DUTCH F
636
152
100%
76%
Lincoln Crossover
640
CAPROCK N
621
34
95%
0%
645
LUSK
284
0
Line 1903
3000
MOJTHRU
463
117
231
75%
50%
Maricopa
565
300777 (DAPS PHX)
760
301043 (DSRP PHX)
518
Mojave Seamless
3040
MOJAVE
54
200
87%
North Mainline
NORTH ML
2272
678
453
89
427
246
406
70%
80%
96%
81%
89%
82%
Permian Virtual Segment
940
EUN PECS
402
GUADLUP
1196
4
35
526
KEYST ST
781
229
KEYSTAFL
753
201
L2000
611
388
127
PECOS
1262
65
95
PECS EUN
436
WA2CORN
759
94
301641 (IMCHRNCH)
300
314598 (IWARMONU)
85
334841 (DHOBBSPP)
217
377034 (ITEXNEUN)
76
South Mainline
1600
CORN HPW
609
104
72
CORN LPW
1194
30
514
CORNL2K
599
375
122
CORNTRN
145
L2K-2
597
373
3144
73%
97%
94%
93%
92%
78%
1640
EL PASO
1268
489
ELPASO C
607
71
ELPASO E
2472
77%
1680
AFTON
1086
HP 2
2290
1760
LORDS B
604
103
LORDS C
592
369
121
LORDSBRG
1009
171
303
239
330
2205
88%
85%
1800
BOWIE
602
102
69
CIMARRON
590
120
DRAGOON
714
38
1906
69%
98%
1920
ORACLE
600
100
TOM MIX
587
VAIL
674
92
1861
68%
64%
2020
CASA C
584
CASAG LP
548
CG HP
598
1730
66%
2080
GILA
634
315
HP 8
555
L2K-8
1562
398670 (IMSQUITE)
244
Start Date
End Date
Region
Scheduling Location
Maintenance List
Base Capacity Dthd
Total Reduction Dthd
PLM Reduction Dthd
FMJ Reduction Dthd
Net Dthd
Update
03/03/26
03/05/26
NM
Williams 1C inspection Williams B Station DOT/ESD Tests Williams C Station DOT/ESD Tests
                        2,272,506
                                678,162
                               678,162
                                            -
   1,594,344
03/10/26
Leupp 5A inspection Line 1200 cleaning tool Dilkon to Flagstaff
                                453,480
                               453,480
   1,819,026
03/11/26
Leupp 5A inspection
                                   89,792
                                 89,792
   2,182,714
03/12/26
Leupp 5A inspection Line 1200 smart tool Dilkon to Flagstaff
03/17/26
Dilkon Station DOT/ESD Tests Line 1104 cleaning tool Franconia to Topock Window Rock 6B inspection
                                427,503
                               427,503
   1,845,003
03/18/26
Dilkon Station DOT/ESD Tests Window Rock 6B inspection
03/19/26
Line 1104 smart tool Franconia to Topock Window Rock 6B inspection
                                246,435
                               246,435
   2,026,071
03/24/26
03/26/26
Leupp 1B inspection Leupp 1B maintenance Window Rock 4B inspection
03/30/26
Hackberry 1A DOT/ESD Tests
                                406,925
                               406,925
   1,865,581
03/31/26
Hackberry 2A DOT/ESD Tests
HX
Alamo Lake Station DOT/ESD Tests
                            636,700
                                152,504
                               152,504
       484,196
MOJ
Mojave Station DOT/ESD Tests - (One Unit at a Time)
                            463,000
                                117,000
                               117,000
       346,000
Mojave Station DOT/ESD Tests
                                231,500
                               231,500
       231,500
                            400,000
                                   54,000
                                 54,000
                                200,000
                               200,000
       200,000
03/01/26
03/07/26
XO
Caprock 2A equipment failure repair - Completed Laguna Station equipment failure repair - FMJ Reduction
                            621,000
                                   34,264
                                             -
                                 34,264
       586,736
03/08/26
Caprock 2A equipment failure repair - Completed Laguna Station equipment failure repair - FMJ Reduction Line No. 1300 – Anomaly Repairs – Belen to Laguna - FMJ Reduction
                                621,000
                              621,000
                     -
03/13/26
Caprock 2A equipment failure repair - Completed Laguna Station equipment failure repair - FMJ Reduction Line No. 1300 – Anomaly Repairs – Belen to Laguna - Completed
Caprock 2A equipment failure repair - Completed
                            284,900
                                              -
       284,900
AN
Amarillo 2A equipment failure repair - FMJ Reduction Dimmitt 2A maintenance
                            310,800
                                   51,912
                                 51,912
       258,888
                            310,100
                                   44,975
                                 44,975
       265,125
PR
Plains 7A repair Plains 8A repair Plains 10A repair Plains 11A repair Plains 13A repair Plains 14A repair Plains 15A repair Plains Station equipment failure repair - FMJ Reduction - PLAIN ST limited to 350,177 Dth/d net capacity in all flow directions.
                            756,100
                                405,923
                               293,371
                              112,552
       350,177
314598
Monument A Station equipment failure repair - Warren Monument Receipt (IWARMONU) - Customer to zero Dth/d during Monument A Station mechanical failure repair - FMJ Reduction
                              85,739
                                   85,739
                                 85,739
03/25/26
301641
Merchant Ranch Receipt and Delivery - (IMCHRNCH) - Customer reduced to zero Dth/d net capacity during meter station maintenance
                            300,000
                                300,000
                               300,000
03/27/26
Eunice C Station DOT/ESD Tests
                            402,300
                                402,300
                               402,300
                            436,400
                                436,400
                               436,400
377034
Eunice C Station DOT/ESD Tests - Texaco Eunice Receipt (ITEXNEUN) - Customer to zero Dth/d during Eunice C Station DOT/ESD Tests - Unit 3C Unavailable
                              76,545
                                   76,545
                                 76,545
334841
Hobbs Power Plant Delivery - (DHOBBSPP) - Customer limited to zero Dth/d net capacity during valve maintenance at Eunice C Station on 3/26/2026 only.
                            217,740
                                217,740
                               217,740
Keystone 4A repair Keystone 11A repair Keystone 1B repair Keystone 2B repair
                            781,000
                                229,020
                               229,020
       551,980
                            753,100
                                201,090
                               201,090
       552,010
Gresham Station mechanical failure repair - FMJ Reduction
                            759,200
                                   94,204
                                 94,204
       664,996
03/09/26
Line 1100 pipeline Pecos River to Guadalupe - MLV 12 to MLV 12.75
                        1,262,600
                                   65,072
                                 65,072
   1,197,528
Line 1100 pipeline Pecos River to Guadalupe - MLV 9 to MLV 12
                                   95,941
                                 95,941
   1,166,659
                        1,196,800
                                     4,528
                                    4,528
   1,192,272
03/23/26
                                   35,321
                                 35,321
   1,161,479
Line 1100 pipeline Pecos River to Guadalupe - MLV 9 to MLV 12 Line 1103 cleaning and smart tools Guadalupe to Cornudas - Revised Capacity Impact Dth/d
                                526,101
                               526,101
       670,699
                        1,194,300
                                   30,560
                                 30,560
   1,163,740
SM
Line 1100 pipeline Pecos River to Guadalupe - MLV 9 to MLV 12 Line 1103 cleaning and smart tool Guadalupe to Cornudas - Revised Capacity Impact Dth/d
                                514,515
                               514,515
       679,785
                            145,700
         51,496
Line 1100 pipeline maintenance El Paso Area - Rescheduled Line 1100 pipeline remediation El Paso to Afton - Rescheduled
                        1,268,900
   1,268,900
03/28/26
Line 1100 pipeline maintenance El Paso Area Line 1100 pipeline remediation El Paso to Afton
                                489,968
                               489,968
       778,932
03/29/26
03/02/26
Lordsburg 2A maintenance San Simon 2A maintenance
                        1,009,600
                                171,840
                               171,840
       837,760
Lordsburg 2A maintenance San Simon 2A maintenance San Simon 3A inspection
                                303,390
                               303,390
       706,210
03/04/26
Lordsburg 2A maintenance San Simon 2A maintenance San Simon 3A inspection - Completed
03/06/26
03/16/26
Lordsburg 2A maintenance San Simon 2A maintenance San Simon Station maintenance
                                239,500
                               239,500
       770,100
Update Cycle 1
03/20/26
Lordsburg 1A DOT/ESD Tests Lordsburg 2A DOT/ESD Tests Lordsburg 2A maintenance Lordsburg A Station DOT/ESD Tests San Simon 2A maintenance
                                330,236
                               330,236
       679,364
Line 1100 cleaning tool Benson to Vail
                            714,900
                                   38,556
                                 38,556
       676,344
Line 1100 smart tool Benson to Vail
                                   71,498
                                 71,498
       643,402
Vail Station DOT/ESD Tests
                            674,600
                                   92,451
                                 92,451
       582,149
Vail 1A DOT/ESD Tests
                                674,600
                               674,600
Vail 2A DOT/ESD Tests
398670
Line 2171 pipeline remediation MLV 1 to MLV 2 - Mesquite Power Plant - (IMSQUITE) - Customer limited to zero Dth/d net capacity during Line 2171 pipeline remediation MLV 1 to MLV 2 - Reduced Outage Duration and Revised Outage Schedule - No capacity reduction
                            244,720
       244,720
Line 2171 pipeline remediation MLV 1 to MLV 2 - Mesquite Power Plant - (IMSQUITE) - Customer limited to zero Dth/d net capacity during Line 2171 pipeline remediation MLV 1 to MLV 2 - Current Outage to Mesquite Power Plant (IMSQUITE) on 3/20 only.
                                244,720
                               244,720
03/21/26
03/22/26
301043
SRP/EPNG (DSRP PHX) MARICOPA - Mesquite Block 1 Power Plant - No flow during Line 2171 pipeline maintenance MLV 1 to MLV 2 - Reduced Outage Duration and Revised Outage Schedule - No capacity reduction
                            518,204
       518,204
SRP/EPNG (DSRP PHX) MARICOPA - Mesquite Block 1 Power Plant - No flow during Line 2171 pipeline maintenance MLV 1 to MLV 2 - Reduced Outage Duration and Revised Outage Schedule - Current Outage to Mesquite Block 1 Power Plant on 3/20 only.
SRP/EPNG (DSRP PHX) MARICOPA - Mesquite Block 1 Power Plant - No flow during Line 2171 pipeline maintenance MLV 1 to MLV 2 - No capacity reduction
Line 1103 pipeline remediation Gila to Wenden
                            634,200
                                315,884
                               315,884
       318,316
Cornudas 1B maintenance - Rescheduled Oracle Station DOT/ESD Tests
                            609,700
                                104,479
                               104,479
       505,221
Cornudas 1B maintenance - Rescheduled
       609,700
Bowie Station DOT/ESD Tests
                                   72,334
                                 72,334
       537,366
                            607,800
                                   71,902
                                 71,902
       535,898
                            604,100
                                103,265
                               103,265
       500,835
       604,100
                                   71,070
                                 71,070
       533,030
                            602,100
                                102,995
                               102,995
       499,105
       602,100
                                   69,070
                                 69,070
Oracle Station DOT/ESD Tests
                            600,000
                                100,895
                               100,895
Line 2000 pipeline replacements Tom Mix to Casa Grande - FMJ Reduction
                            611,700
                                388,100
                              388,100
       223,600
Line 2000 pipeline replacements Tom Mix to Casa Grande - Completed
       611,700
Cornudas C Station DOT/ESD Tests
                                127,616
                               127,616
       484,084
Line 2000 pipeline remediation Tom Mix to Casa Grande C Line 2000 pipeline replacements Tom Mix to Casa Grande - FMJ Reduction
                            599,600
                                375,999
                                 26,156
                              349,843
       223,601
Line 2000 pipeline remediation Tom Mix to Casa Grande C - Completed Line 2000 pipeline replacements Tom Mix to Casa Grande - Completed
       599,600
Cornudas C Station DOT/ESD Tests El Paso 4D inspection - Rescheduled
                                122,640
                               122,640
       476,960
03/15/26
Lordsburg 1C maintenance - Rescheduled
                            597,300
                                373,700
                              373,700
       597,300
El Paso 4D inspection - Rescheduled
                            592,800
                                369,200
                                 25,313
                              343,887
       592,800
                                121,152
                               121,152
       471,648
                            590,500
                                590,500
                                 25,001
                              565,499
       590,500
                                120,090
                               120,090
       470,410
                            587,300
                                587,300
                                 24,322
                              562,978
       587,300
                            584,900
                                584,900
                                 25,036
                              559,864
       584,900
300777
APS/EPNG (DAPS PHX) APS PHX MARICOP - Sundance Power Plant (314551) - No flow during L2000 pipeline replacements Tom Mix to Casa Grande C - Reference Critical Notice No. 627579
                            760,228
       760,228
APS/EPNG (DAPS PHX) APS PHX MARICOP - Sundance Power Plant (314551) - No flow during L2000 pipeline replacements Tom Mix to Casa Grande C - Reference Critical Notice No. 627579 - Completed - Customer can flow from Line 2000.
In addition to planned outages, this report reflects the repairs and maintenance being performed related to Force Majeure events.
Due to the nature of such events, the dates for the associated repairs and maintenance of those events are assumed to extend until the end of the month.
These repairs and maintenance, however, may extend beyond the end of the month including beyond the current year.
More information on these repairs and maintenance will be posted as a Critical Notice under the Notices section of the Informational Postings tab on the EPNG Electronic Bulletin Board.
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