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Pipeline Notices — Sep 8–14, 2026

212 notices · 7 rated severity 4–5

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Today's notices By pipeline Archive

September 2026, by week · month overview

Sep 1–7
177 notices11 sev 4–5
Sep 8–14
212 notices7 sev 4–5
Sep 15–21
153 notices11 sev 4–5
Sep 22–28
188 notices23 sev 4–5
Sep 29–30
52 notices6 sev 4–5
Sep 8–14, 2026 212 notices
Tennessee Gas Pipeline (TGP)

FORCE MAJEURE MLV 313(HC LINE) EFF 9-16

SEV 4/5
Force Majeure 0.590 Bcf/d Until Further Notice 4 Days

Tennessee Gas Pipeline has declared a force majeure on the HC Line between valve sections 313A-403 and 313A-404, just south of Avoca, New York, effective September 16, 2026. An anomaly requiring immediate repair was discovered, with TGP personnel on site and repair work estimated to last approximately 4 days. The event threatens up to 0.590 Bcf/d of Primary In the Path capacity at MLV 313 HC Zone 4 End (Segment 399 FH), with impact possible as early as the Timely Cycle for Gas Day September 16.

TGP force majeure on the HC Line near Avoca, NY threatens up to 0.590 Bcf/d of Zone 4 primary firm capacity starting September 16 for an estimated 4 days; expect bullish pressure on Tennessee Zone 4-300 leg basis (most recently -1.440 vs HH) and downstream Algonquin Citygate and New England basis as Appalachian/Northeast supply tightens with limited reroute via Transco.
Reroute: Limited: Transco is the primary competing pipeline for Northeast deliveries from this corridor, but Transco Zone 5 and Northeast segments frequently run near capacity; TGP and Transco together dominate this market, so a 0.590 Bcf/d Zone 4 firm curtailment has limited practical reroute relief for affected Northeast shippers.
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Posted: 2026-09-14 14:16 UTC  |  Rev. 1  |  ID: TGP-404199  |  Permalink Capacity: 0.590 Bcf/d  |  Direction: Bullish
Transwestern Pipeline

[Transwestern Pipeline] [Force Majeure] Force Majeure - GCX Waha- POI 100744- GD 9/11/2026 (Intraday 3) thru 9/12/26

SEV 4/5
Force Majeure 0.250 Bcf/d 2 Days

Transwestern Pipeline declared force majeure at the GCX Waha interconnect (POI 100744) effective September 11, 2026 at 4:02 PM, reducing delivery capacity from 0.250 Bcf/d to zero due to emergency valve repair. Restoration to full 0.250 Bcf/d capacity is scheduled for September 13, 2026 at 8:59 AM, yielding approximately two gas days of curtailment. Live capacity data for GD 9/11 id3 confirms GCX WAHA (loc 100744) posted operating capacity of 0 with scheduled volumes of 0.027 Bcf/d, consistent with the force majeure declaration -- the data predates full reflection of the event but already shows the constraint.

TW force majeure eliminates 0.250 Bcf/d of Permian takeaway at GCX Waha through 9/13 morning; expect bearish Waha basis pressure as Permian supply backs up, with modest bullish signal at SoCal Border and Arizona delivery points where TW volumes are reduced.
Reroute: Moderate: EPNG serves overlapping Permian-to-SoCal/Arizona corridors and is the primary reroute alternative for westbound volumes displaced from TW at Waha; however, if EPNG is simultaneously constrained, no California reroute exists. The GCX Waha point is a specific Permian Basin interconnect and producers may need to redirect onto EPNG or other Permian takeaway pipes.
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Posted: 2026-09-12 11:31 UTC  |  Rev. 1  |  ID: TW-120582  |  Permalink Capacity: 0.250 Bcf/d  |  Direction: Bearish
Transwestern Pipeline

[Transwestern Pipeline] [Capacity Constraint] GCX WAHA

SEV 4/5
Force Majeure 0.027 Bcf/d 1 Days

Transwestern Pipeline declared force majeure at the GCX WAHA interconnect (loc 100744) effective Sep 12, 2026 9:00AM through Sep 13, 2026 8:59AM -- a one-day event. The capacity table for the prior gas day (Sep 11) shows GCX WAHA posting zero operating capacity against 0.027 Bcf/d scheduled (vs-design flag), consistent with the constraint already affecting nominations before the FM was formally declared. The stated capacity impact is limited to the scheduled volume at that point (~0.027 Bcf/d), though the force majeure floor sets minimum severity at 4 regardless.

Transwestern FM at GCX WAHA removes approximately 0.027 Bcf/d of Permian takeaway at this interconnect for one day; expect bearish pressure at Waha/Permian basis as basin gas backs up, with mild bullish pressure at SoCal Border and Arizona delivery points -- volumes are small relative to TW system scale but force majeure status warrants monitoring for any scope expansion.
Reroute: Moderate: EPNG serves overlapping Permian-to-SoCal/Arizona corridors and is the primary reroute alternative; however, if EPNG is simultaneously constrained, no California reroute exists. Volumes affected at this single interconnect are small (~0.027 Bcf/d), limiting market impact absent escalation.
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Posted: 2026-09-12 11:31 UTC  |  Rev. 1  |  ID: TW-120587  |  Permalink Capacity: 0.027 Bcf/d  |  Direction: Bearish
Gulf South Pipeline

Failure to take confirmed quantities - Loc 24329 Stratton Ridge to Freeport LNG

SEV 4/5
Operational Alert Until Further Notice 1 Days

Gulf South Pipeline issued a Critical Over-Under Performance notice on 9/11/2026 for Loc 24329 (Stratton Ridge to Freeport LNG), citing the customer's failure to take confirmed quantities. Gulf South is reducing scheduling for remaining nomination cycles on Gas Day 9/11/2026 and until further notice. The affected location is the dedicated lateral delivering feed gas to Freeport LNG, making this an LNG feedgas disruption event; no specific curtailed volume is stated in the notice.

Freeport LNG feed gas under-performance at Stratton Ridge (Loc 24329) reduces LNG export pull from the Gulf Coast domestic gas market, bearish for Henry Hub regional pricing; live capacity data shows the point running at 1.46 Bcf/d scheduled against 1.78 Bcf/d operating capacity (82% utilized, 0.318 Bcf/d headroom) in the td3 cycle -- the magnitude of the actual curtailment below scheduled is unquantified in the notice text but the 'until further notice' language keeps the downside risk open beyond Gas Day 9/11.
Reroute: None: Freeport LNG is a single-customer export facility served by this dedicated lateral -- there is no alternative route for the feed gas to reach the terminal, and the curtailment keeps gas onshore rather than rerouting it.
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Posted: 2026-09-11 20:01 UTC  |  Rev. 1  |  ID: GSPL-5038704  |  Permalink Direction: Bearish
Northern Border Pipeline (NBPL)

Force Majeure: St Anthony Compressor 7

SEV 4/5
Force Majeure 2.160 Bcf/d Until Further Notice

NBPL has declared a Force Majeure effective evening September 11, 2026 due to an unplanned equipment failure at Compressor Station 07 (CS07) near St. Anthony, ND. As a result, nominated volumes past Glen Ullin (GlenSEG) are restricted to 2,160 MMcf/d (2.160 Bcf/d) until further notice. Pre-event capacity data from the prior gas day (September 10) shows GlenSEG already running at 99.4% utilization (2.52 Bcf/d scheduled against 2.53 Bcf/d operating capacity), meaning the new 2.160 Bcf/d cap represents a reduction of approximately 0.37 Bcf/d from already near-full flow; note the capacity table predates the FM by one gas day and does not yet reflect the restriction.

NBPL FM at CS07 caps GlenSEG flows at 2.160 Bcf/d until further notice, cutting roughly 0.37 Bcf/d of Canadian/Bakken supply into the Midwest; expect bullish pressure at Chicago Citygate and Northern Border Ventura TP basis, which was last quoted at -0.205 vs Henry Hub on 2026-09-09 and is likely to tighten further once the evening-cycle restriction takes effect.
Reroute: Limited: Alliance Pipeline provides an alternative Canadian supply route into Chicago but volumes are typically fully subscribed, leaving minimal spare capacity to absorb displaced NBPL volumes; no other pipeline replicates NBPL's specific Canadian border crossing and Midwest delivery corridor.
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Posted: 2026-09-11 02:31 UTC  |  Rev. 1  |  ID: NBPL-26245010  |  Permalink Capacity: 2.160 Bcf/d  |  Direction: Bullish
Gulf Run Transmission

[Gulf Run Transmission] [Maintenance] Panola FMJ

SEV 4/5
Force Majeure 0.900 Bcf/d Until Further Notice 1 Days

Gulf Run Transmission has declared a Force Majeure at its Panola Compressor Station in Panola County, Texas (Zone 1), effective September 15, 2026 at 09:00, with anticipated restoration by September 16, 2026 at 09:00 -- approximately one calendar day. During this period, throughput capacity at Panola is limited to 0.900 Bcf/d, with upstream point operators warned of elevated pressures and shippers directed to nominate from contractual MRO to MDO locations to minimize scheduling reductions. Pre-event capacity data (gas day 2026-09-09) shows Gemini Panola GR receipt at 0.437 Bcf/d scheduled against 0.800 Bcf/d operating capacity, so the 0.900 Bcf/d throughput cap itself may not immediately bind at current scheduled levels -- but the Force Majeure designation and unplanned nature of the event warrant elevated caution ahead of the effective date.

Gulf Run FM at Panola CS caps throughput at 0.900 Bcf/d on Sept 15; this system is built to serve Golden Pass LNG, so any binding curtailment reduces Haynesville-origin feed gas to the LNG corridor and keeps supply in the domestic market, mildly bearish Henry Hub regionally -- watch Golden Pass nominations on Sept 15 for confirmation of actual feed gas impact.
Reroute: Moderate: Gulf South and Kinder Morgan assets serve the Haynesville corridor and could absorb some displaced Haynesville supply, but Gulf Run is the primary purpose-built conduit to Golden Pass LNG and no direct replacement pipeline exists for that specific LNG delivery path.
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Posted: 2026-09-10 17:31 UTC  |  Rev. 1  |  ID: GR-68746  |  Permalink Capacity: 0.900 Bcf/d  |  Direction: Bearish
Columbia Gulf Transmission (CGT)

Golden Meadow & Centerville Compressor Station Maintenance (EL300SEG), September 15-18, 2026

SEV 4/5
Maintenance 0.075 Bcf/d 4 Days

CGT has notified customers of planned maintenance at both Golden Meadow and Centerville Compressor Stations from September 15-18, 2026, reducing backhaul capacity on EL300SEG to 350,000-500,000 Dth/day against a design capacity of 575,000 Dth/day -- a restriction of up to 225,000 Dth/day (0.225 Bcf/d). CGT explicitly warns that curtailments to Interruptible, Secondary Firm, and Primary Firm services are anticipated, a significant escalation beyond typical interruptible-only curtailment language. Live capacity data confirms EL300SEG is already at 100% utilization (0.575 Bcf/d scheduled against 0.575 Bcf/d operating capacity) as of the September 8 timely cycle, corroborating the tightness described in the notice.

CGT maintenance on EL300SEG cuts backhaul capacity by up to 0.225 Bcf/d (midpoint ~0.113 Bcf/d restriction at the 500k Dth floor) for four days starting September 15, with primary firm curtailments explicitly at risk; Columbia Gulf mainline basis, which has traded at an average of -0.247 vs Henry Hub over the five trading days ended September 4 (most recently -0.215 on September 4), is likely to widen further as southbound backhaul tightens and Transco Zone 4 Southeast basis firms in sympathy.
Reroute: Moderate: Texas Eastern (TETCO) and Trunkline (TGC) serve overlapping Gulf Coast northbound corridors and could absorb some displaced volumes, but the explicit primary firm curtailment risk on a Critical notice suggests CGT does not anticipate sufficient system-level flexibility to avoid firm impacts.
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Posted: 2026-09-08 20:31 UTC  |  Rev. 1  |  ID: CGT-26239028  |  Permalink Capacity: 0.075 Bcf/d  |  Direction: Bullish
Algonquin Gas Transmission

09/14/2026- AGT Pipeline Conditions for 9/15/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 23:31 UTC  |  Rev. 1  |  ID: AG-183031 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/14/2026- NEXUS Pipeline Conditions for 9/15/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 19:31 UTC  |  Rev. 1  |  ID: NXUS-183009 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - UNDERAGE ALERT - PHOENIX AREA

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 12:47 UTC  |  Rev. 1  |  ID: TW-120631 Direction: Neutral
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 12:00 UTC  |  Rev. 1  |  ID: TRANSCO-17270524 Direction: Neutral
Southeast Supply Header

09/13/2026- SESH Pipeline Conditions for 9/14/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: SESH-182963 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/13/2026- NEXUS Pipeline Conditions for 9/14/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: NXUS-182964 Direction: Neutral
Algonquin Gas Transmission

09/13/2026- AGT Pipeline Conditions for 9/14/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: AG-182968 Direction: Neutral
Southeast Supply Header

09/12/2026- SESH Pipeline Conditions for 9/13/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: SESH-182918 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/12/2026- NEXUS Pipeline Conditions for 9/13/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: NXUS-182917 Direction: Neutral
Algonquin Gas Transmission

09/12/2026- AGT Pipeline Conditions for 9/13/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: AG-182922 Direction: Neutral
Sabal Trail Transmission

09/12/2026- STT Imbalance Notice -- UPDATE

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 15:47 UTC  |  Rev. 1  |  ID: STT-182909 Direction: Neutral
Southern Star

Operational Capacity Reduction - Line Segment 490 Update

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 15:47 UTC  |  Rev. 1  |  ID: ss-11219 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/11/2026- NEXUS Pipeline Conditions for 9/12/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 11:31 UTC  |  Rev. 1  |  ID: NXUS-182891 Direction: Neutral
Southern Star

Terminate- Cheyenne Hub (17105) - Capacity Reduction

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 11:31 UTC  |  Rev. 1  |  ID: ss-11218 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/11/2026- TE Pipeline Conditions for 9/12/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 20:02 UTC  |  Rev. 1  |  ID: TE-182888 Direction: Neutral
Algonquin Gas Transmission

09/11/2026- AGT Pipeline Conditions for 09/12/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 20:02 UTC  |  Rev. 1  |  ID: AG-182887 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 13:01 UTC  |  Rev. 1  |  ID: TW-120567 Direction: Neutral
EGTS

PL-1 Restrictions

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:32 UTC  |  Rev. 1  |  ID: EGTS-1013494 Direction: Neutral
Columbia Gas Transmission (TCO)

OFO – Receipt Points in Market Areas 26, 30, 35, 41, 42, Effective September 12, 2026

SEV 3/5
Operational Alert Until Further Notice

TCO has issued an Operational Flow Order effective Gas Day September 12, 2026 for receipt points in Market Areas 26, 30, 35, 41, and 42, requiring shippers to keep physical receipts at or below scheduled quantities to protect system integrity amid mild weather, lower demand, and elevated storage and linepack levels. The OFO continues until further notice, with penalties assessed on excess receipts beyond a 5% or 5,000 Dth tolerance. No specific capacity volume is stated; the constraint is a receipt-cap across five Appalachian market areas, not a hard capacity loss.

TCO OFO caps Appalachian receipts in MAs 26, 30, 35, 41, and 42 effective Sept 12; no concrete curtailment volume stated, but the action is bearish Columbia Gas Appalachia basis -- already averaging -1.275 vs Henry Hub over the five days ended Sept 9 (most recently -1.140 on Sept 9) -- as Marcellus/Utica gas is forced back into the basin with no new downstream demand catalyst.
Reroute: Moderate: Texas Eastern (TETCO, monitored) and Equitrans serve overlapping Appalachian markets, and Transco provides partial Mid-Atlantic alternative; however, a basin-wide receipt cap driven by oversupply and elevated linepack means reroute does not resolve the fundamental oversupply condition at the source.
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Posted: 2026-09-11 12:16 UTC  |  Rev. 1  |  ID: TCO-26246013 Direction: Bearish
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:15 UTC  |  Rev. 1  |  ID: TRANSCO-17262357 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/10/2026- Five Points Compressor Station Unplanned Outage

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: TE-182820 Direction: Neutral
Gulf South Pipeline

Failure to Deliver Confirmed Quantities at Location 23368 Coastal Bend TGP

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:30 UTC  |  Rev. 1  |  ID: GSPL-5038693 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/10/2026- TE Operational Flow Order -- EFF 9/12

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 15:21 UTC  |  Rev. 1  |  ID: TE-182817 Direction: Neutral
El Paso Natural Gas (EPNG)

[OPERATIONAL FLOW ORDER] SOC Declaration - System Wide DRAFT

SEV 3/5
Operational Alert

EPNG has declared a system-wide Strained Operating Condition (SOC) effective September 10, 2026, running until further notice. Linepack stands at 7,560 MMcf, up 58 MMcf from the prior gas day but still insufficient to alleviate pipeline concern over delivery pressures system-wide. EPNG is pulling Washington Ranch storage into withdrawal, suspending IHSW service, and denying imbalance paybacks to restore linepack, with customers directed to balance deliveries against supplies. This supersedes prior notice 629586.

EPNG system-wide SOC restricts delivery flexibility and denies imbalance paybacks, tightening westbound delivery schedules and signaling bullish pressure at SoCal Border and Arizona delivery points; Waha/Permian receipt side is neutral as basin receipts continue and Washington Ranch withdrawal adds system supply -- no specific capacity volume stated in the notice.
Reroute: Moderate: Transwestern Pipeline (TW) serves overlapping SoCal Border and Arizona markets and represents the primary alternative for westbound volumes; however, simultaneous tightness on TW would eliminate California reroute options entirely.
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Posted: 2026-09-10 13:08 UTC  |  Rev. 1  |  ID: EPNG-629595 Direction: Bullish
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 12:35 UTC  |  Rev. 1  |  ID: TRANSCO-17258426 Direction: Neutral
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 12:35 UTC  |  Rev. 1  |  ID: TRANSCO-17258440 Direction: Neutral
East Tennessee Natural Gas

09/09/2026- ETNG Pipeline Conditions for 09/10/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 11:31 UTC  |  Rev. 5  |  ID: ET-182786 Direction: Neutral
Algonquin Gas Transmission

09/09/2026- AGT Pipeline Conditions for 09/10/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: AG-182804 Direction: Neutral
Columbia Gas Transmission (TCO)

Operational Alert – Potential Critical Days & Receipt Point OFO, Effective September 12, 2026

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 13:57 UTC  |  Rev. 1  |  ID: TCO-26239030 Direction: Neutral
El Paso Natural Gas (EPNG)

[OPERATIONAL FLOW ORDER] SOC Declaration- Location Specific DRAFT

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 13:38 UTC  |  Rev. 1  |  ID: EPNG-629586 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 12:57 UTC  |  Rev. 1  |  ID: TW-120502 Direction: Neutral
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 12:25 UTC  |  Rev. 1  |  ID: TRANSCO-17254758 Direction: Neutral
East Tennessee Natural Gas

09/08/2026- ETNG Pipeline Conditions for 9/9/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 23:31 UTC  |  Rev. 1  |  ID: ET-182722 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/08/2026- TE Pipeline Conditions for 9/9/2026

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 20:31 UTC  |  Rev. 1  |  ID: TE-182703 Direction: Neutral
Millennium Pipeline (MPC)

Highland CS Maintenance September 15th

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:18 UTC  |  Rev. 1  |  ID: MPC-26239027 Direction: Neutral
Northern Border Pipeline (NBPL)

Northern Border High Inventory OFO Watch September 8, 2026

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: NBPL-26238014 Direction: Neutral
Transco

Updated - Market and Production Constraints

SEV 3/5
Informational Until Further Notice

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:25 UTC  |  Rev. 1  |  ID: TRANSCO-17251448 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 3/5
Informational

Pre-screen severity 3 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:06 UTC  |  Rev. 1  |  ID: TW-120487 Direction: Neutral
MountainWest (multi-pipeline)

[MountainWest Overthrust Pipeline (MWOP)] [POINT OF ROCKS COMPRESSOR MAINTENANCE AND ANNUAL ESD] POINT OF ROCKS COMPRESSOR MAINTENANCE AND ANNUAL ESD

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-28 14:02 UTC  |  Rev. 6  |  ID: MWOP-39191 Direction: Neutral
Mountain Valley Pipeline

EQT Midstream Measurement Software Maintenance COMPLETE

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-23 05:32 UTC  |  Rev. 2  |  ID: MVP-138096 Direction: Neutral
Gulf South Pipeline

Olla Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-22 02:30 UTC  |  Rev. 2  |  ID: GSPL-5038713 Direction: Neutral
Gulf South Pipeline

Update: Unplanned Bistineau Compressor & Storage Field Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-22 02:30 UTC  |  Rev. 2  |  ID: GSPL-5038714 Direction: Neutral
Gulf South Pipeline

Update: Unplanned Index 296 Pipeline Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-22 02:30 UTC  |  Rev. 2  |  ID: GSPL-5038716 Direction: Neutral
Gulf South Pipeline

Marksville Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-22 02:30 UTC  |  Rev. 2  |  ID: GSPL-5038717 Direction: Neutral
Gulf South Pipeline

Update: Index 301-8-L-A Pipeline Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-21 17:15 UTC  |  Rev. 2  |  ID: GSPL-5038710 Direction: Neutral
Gulf South Pipeline

Rodrigue Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-21 17:00 UTC  |  Rev. 2  |  ID: GSPL-5038709 Direction: Neutral
Gulf South Pipeline

Moss Point Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-21 16:45 UTC  |  Rev. 2  |  ID: GSPL-5038707 Direction: Neutral
Gulf South Pipeline

Index 59 Pipeline Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-18 18:31 UTC  |  Rev. 2  |  ID: GSPL-5038701 Direction: Neutral
Gulf South Pipeline

Carthage Junction Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-18 18:31 UTC  |  Rev. 2  |  ID: GSPL-5038702 Direction: Neutral
Texas Gas Transmission

Maintenance - Location 9908 TVA Marshall County KY Power Plant

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-18 17:16 UTC  |  Rev. 2  |  ID: TGT-5038700 Direction: Neutral
Mountain Valley Pipeline

EQT Midstream Measurement Software Maintenance 09-11-2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-18 05:32 UTC  |  Rev. 2  |  ID: MVP-138070 Direction: Neutral
Gulf South Pipeline

Posted Maintenance Events for 09/11/2026 - 09/17/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-16 19:46 UTC  |  Rev. 2  |  ID: GSPL-5038688 Direction: Neutral
Gulf South Pipeline

Update: Gulf South Pipeline Segmentation

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-16 14:16 UTC  |  Rev. 2  |  ID: GSPL-5038686 Direction: Neutral
Gulf South Pipeline

Index 818 Meter Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-16 02:31 UTC  |  Rev. 2  |  ID: GSPL-5038682 Direction: Neutral
Gulf South Pipeline

Tallulah Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-16 02:31 UTC  |  Rev. 2  |  ID: GSPL-5038683 Direction: Neutral
Gulf South Pipeline

Heidelberg Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-16 02:31 UTC  |  Rev. 2  |  ID: GSPL-5038684 Direction: Neutral
Gulf South Pipeline

Harrisville Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-15 23:31 UTC  |  Rev. 2  |  ID: GSPL-5038681 Direction: Neutral
Tennessee Gas Pipeline (TGP)

NO ANT PIP RESTRICTIONS SEG 114 BH 9-16

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-15 14:46 UTC  |  Rev. 3  |  ID: TGP-404208 Direction: Neutral
National Fuel Gas Supply

Overbeck Plant

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-15 13:02 UTC  |  Rev. 3  |  ID: NFGS-20260908073900-6b760f2e Direction: Neutral
Tennessee Gas Pipeline (TGP)

ANT SEC RESTR AT GRAVEL RUN EFF 9-16

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 23:32 UTC  |  Rev. 1  |  ID: TGP-404211 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/14/2026- TE Pipeline Conditions for 09/15/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 23:31 UTC  |  Rev. 1  |  ID: TE-183032 Direction: Neutral
Gulf South Pipeline

Update: Hall Summit Legacy Compressor Station Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 23:31 UTC  |  Rev. 1  |  ID: GSPL-5038715 Direction: Neutral
Steckman Ridge

09/14/2026- SR Storage Conditions for 9/15/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 20:01 UTC  |  Rev. 1  |  ID: SR-183015 Direction: Neutral
Southeast Supply Header

09/14/2026- SESH Pipeline Conditions for 9/15/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 19:31 UTC  |  Rev. 1  |  ID: SESH-183010 Direction: Neutral
ANR Pipeline (TC Energy)

CAPACITY REDUCTION Southeast Mainline – Defiance Westbound

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 18:32 UTC  |  Rev. 1  |  ID: ANR-26249021 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 18:17 UTC  |  Rev. 1  |  ID: 7412 Direction: Neutral
ANR Pipeline (TC Energy)

CAPACITY REDUCTION - Southeast Area – Lake Arthur Southbound

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 16:47 UTC  |  Rev. 1  |  ID: ANR-26249019 Direction: Neutral
ANR Pipeline (TC Energy)

CAPACITY REDUCTION - Southeast Area – Lake Arthur Southbound

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 16:47 UTC  |  Rev. 1  |  ID: ANR-26249020 Direction: Neutral
Gulf South Pipeline

Index 321-4-1 Meter Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 16:46 UTC  |  Rev. 1  |  ID: GSPL-5038708 Direction: Neutral
Columbia Gas Transmission (TCO)

CORRECTED: CAPACITY POSTING - TIM for September 15, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 14:35 UTC  |  Rev. 1  |  ID: TCO-26246024 Direction: Neutral
Tennessee Gas Pipeline (TGP)

ANT PIP RESTR SEG 399FH (HC) EFF 9-16

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 14:31 UTC  |  Rev. 1  |  ID: TGP-404200 Direction: Neutral
Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] SEG 3 AND 4 RECEIPT POINTS - PRIM ONLY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:48 UTC  |  Rev. 1  |  ID: NGPL-47219 Direction: Neutral
Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] SEG 5 AND 6 RECEIPT POINTS - PRIM ONLY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:48 UTC  |  Rev. 1  |  ID: NGPL-47220 Direction: Neutral
Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] SEG 11 - CS 103 - PRIM ONLY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:48 UTC  |  Rev. 1  |  ID: NGPL-47221 Direction: Neutral
Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] SEG 11 - CS 104 - PRIM ONLY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:48 UTC  |  Rev. 1  |  ID: NGPL-47222 Direction: Neutral
Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] SEG 11 - CS 106 - PRIM ONLY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:48 UTC  |  Rev. 1  |  ID: NGPL-47223 Direction: Neutral
El Paso Natural Gas (EPNG)

[MAINTENANCE] Updated September 2026 Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:33 UTC  |  Rev. 1  |  ID: EPNG-629636 Direction: Neutral
El Paso Natural Gas (EPNG)

[FORCE MAJEURE] Force Majeure Lifted - Line No. 1102

SEV 2/5
lifted ✓ Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:18 UTC  |  Rev. 1  |  ID: EPNG-629635 Direction: Neutral
Algonquin Gas Transmission

09/14/2026- AGT Operational Flow Order -- EFF 9/15

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 13:01 UTC  |  Rev. 1  |  ID: AG-182971 Direction: Neutral
Columbia Gas Transmission (TCO)

CAPACITY POSTING - TIM for September 15, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 12:16 UTC  |  Rev. 1  |  ID: TCO-26246019 Direction: Neutral
Florida Gas Transmission

[Florida Gas Transmission] [Operational Alert] Overage Alert Day 25% Tolerance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 12:01 UTC  |  Rev. 1  |  ID: FGT-68924 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/13/2026- TE Pipeline Conditions for 9/14/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: TE-182969 Direction: Neutral
Steckman Ridge

09/13/2026- SR Storage Conditions for 9/14/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: SR-182962 Direction: Neutral
Maritimes & Northeast U.S.

09/13/2026- MNUS Pipeline Conditions for 9/14/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 21:48 UTC  |  Rev. 1  |  ID: MNUS-182961 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 18:47 UTC  |  Rev. 1  |  ID: 7411 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 12:47 UTC  |  Rev. 1  |  ID: TW-120610 Direction: Neutral
Florida Gas Transmission

[Florida Gas Transmission] [Operational Alert] Overage Alert Day 25% Tolerance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 12:47 UTC  |  Rev. 1  |  ID: FGT-68886 Direction: Neutral
Southern Star

Operational Capacity Reduction - Line Segment 490 Update

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-13 00:47 UTC  |  Rev. 1  |  ID: ss-11220 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/12/2026- TE Pipeline Conditions for 9/13/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: TE-182923 Direction: Neutral
Steckman Ridge

09/12/2026- SR Storage Conditions for 9/13/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: SR-182919 Direction: Neutral
Maritimes & Northeast U.S.

09/12/2026- MNUS Pipeline Conditions for 9/13/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 21:48 UTC  |  Rev. 1  |  ID: MNUS-182920 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 18:47 UTC  |  Rev. 1  |  ID: 7410 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Force Majeure] Force Majeure - GCX Waha- POI 100744- Revision 1 - Maintenance Complete

SEV 2/5
Restoration 0.250 Bcf/d 2 Days

Transwestern Pipeline is posting Revision 1 of its GCX Waha (POI 100744) force majeure, declaring maintenance complete. The emergency valve repair that reduced delivery capacity from 0.250 Bcf/d to zero effective Gas Day September 11 Intraday 3 has been resolved, with full capacity of 0.250 Bcf/d restored for Gas Day September 12 Intraday 2. The force majeure lasted approximately one gas day.

Restoration notice -- 0.250 Bcf/d of GCX Waha delivery capacity is back online as of 9/12 Intraday 2; no ongoing constraint at this interconnect and no residual basis signal at Waha or SoCal Border expected.
Reroute: Moot -- capacity has been restored. During the outage, EPNG serves overlapping Waha delivery points and would have been the primary alternative; no ongoing reroute consideration required.
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Posted: 2026-09-12 18:47 UTC  |  Rev. 1  |  ID: TW-120595 Capacity: 0.250 Bcf/d  |  Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 12:48 UTC  |  Rev. 1  |  ID: TW-120591 Direction: Neutral
Florida Gas Transmission

[Florida Gas Transmission] [Operational Alert] Overage Alert Day 25% Tolerance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 12:48 UTC  |  Rev. 1  |  ID: FGT-68845 Direction: Neutral
Southeast Supply Header

09/11/2026- SESH Pipeline Conditions for 9/12/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 11:31 UTC  |  Rev. 1  |  ID: SESH-182892 Direction: Neutral
Steckman Ridge

09/11/2026- SR Storage Conditions for 9/12/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 19:46 UTC  |  Rev. 1  |  ID: SR-182878 Direction: Neutral
East Tennessee Natural Gas

09/10/2026- ETNG Pipeline Conditions for 9/11/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:46 UTC  |  Rev. 3  |  ID: ET-182826 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:32 UTC  |  Rev. 1  |  ID: 7409 Direction: Neutral
Southern Star

Planned Service Outage - September 11th, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:31 UTC  |  Rev. 1  |  ID: ss-11217 Direction: Neutral
El Paso Natural Gas (EPNG)

[MAINTENANCE] Updated September 2026 Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:18 UTC  |  Rev. 3  |  ID: EPNG-629606 Direction: Neutral
Rockies Express

[FORCE MAJEURE] REX CHANDLERSVILLE COMPRESSOR STATION (SEG 380) FORCE MAJEURE - LIFTED

SEV 2/5
lifted ✓ Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 16:01 UTC  |  Rev. 1  |  ID: 14079 Direction: Neutral
Stingray Pipeline Company, L.L.C.

[Stingray Pipeline Company, L.L.C.] [Maintenance] Stingray Pigging Operations Update #6

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 14:16 UTC  |  Rev. 1  |  ID: SPC-68786 Direction: Neutral
Tennessee Gas Pipeline (TGP)

Special Permit Replacement Pipe Replacme

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 13:16 UTC  |  Rev. 3  |  ID: TGP-404126 Direction: Neutral
Columbia Gas Transmission (TCO)

CAPACITY POSTING - TIM for September 12, through September 14, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:31 UTC  |  Rev. 1  |  ID: TCO-26246015 Direction: Neutral
Tennessee Gas Pipeline (TGP)

EMERGENT REPAIR AT STA 542 3A RESOLVED

SEV 2/5
lifted ✓ Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:16 UTC  |  Rev. 1  |  ID: TGP-404139 Direction: Neutral
Columbia Gulf Transmission (CGT)

CAPACITY POSTING - TIM for September 12, 2026, through September 14, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:16 UTC  |  Rev. 1  |  ID: CGT-26246014 Direction: Neutral
Stagecoach Pipeline and Storage

[OPERATIONAL FLOW ORDER] LEVEL 2 ACTION ALERT EFFECTIVE 9-12-2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:03 UTC  |  Rev. 1  |  ID: STAG-404138 Direction: Neutral
Columbia Gas Transmission (TCO)

Critical Day for Storage Injections: Effective Saturday, September 12, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:01 UTC  |  Rev. 1  |  ID: TCO-26246012 Direction: Neutral
Stagecoach Pipeline and Storage

[MAINTENANCE] EMERGENT REPAIR AT STAGECOACH STORAGE

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:32 UTC  |  Rev. 1  |  ID: STAG-404120 Direction: Neutral
El Paso Natural Gas (EPNG)

[CAPACITY CONSTRAINT] EPNG OPEN FOR CONFIRMAITONS TIMELY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:32 UTC  |  Rev. 1  |  ID: EPNG-629600 Direction: Neutral
Gas Transmission Northwest

MAINTENANCE SCHEDULE for Gas Transmission Northwest (Posted: 9/10/26)

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:32 UTC  |  Rev. 1  |  ID: 1638 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: 7408 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/10/2026- TE Pipeline Conditions for 9/11/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: TE-182846 Direction: Neutral
Steckman Ridge

09/10/2026- SR Storage Conditions for 09/11/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: SR-182827 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/10/2026- NEXUS Pipeline Conditions for 9/11/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: NXUS-182828 Direction: Neutral
Maritimes & Northeast Canada

09/10/2026- MNCA Operational Advisory

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: MNCA-182819 Direction: Neutral
Algonquin Gas Transmission

09/10/2026- AGT Pipeline Conditions for 09/11/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: AG-182845 Direction: Neutral
Gulf South Pipeline

Failure to Deliver Confirmed Quantities at Location 23367 Kiln TGP

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:30 UTC  |  Rev. 1  |  ID: GSPL-5038694 Direction: Neutral
Enable Gas Transmission (EGT)

[Enable Gas Transmission (EGT)] [Maintenance] PLANNED ALLEN MAINTENANCE

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 15:42 UTC  |  Rev. 1  |  ID: EGT-6544 Direction: Neutral
Gas Transmission Northwest

CAPACITY REDUCTION: GTN – Flow Past Kingsgate (Posted: 9/10/26)

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 15:02 UTC  |  Rev. 1  |  ID: 1637 Direction: Neutral
Rockies Express

[MAINTENANCE] REX MAINTENANCE SCHEDULE FOR SEPTEMBER 2026 - UPDATE #3

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 15:01 UTC  |  Rev. 1  |  ID: 14077 Direction: Neutral
Algonquin Gas Transmission

09/10/2026- AGT Operational Flow Order -- EFF 9/12

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 14:42 UTC  |  Rev. 1  |  ID: AG-182818 Direction: Neutral
Natural Gas Pipeline (NGPL)

[MAINTENANCE] SEGMENT 15-CS801-STA MAINT UPD2

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 13:39 UTC  |  Rev. 1  |  ID: NGPL-47213 Direction: Neutral
Transwestern Pipeline

[Transwestern Pipeline] [Operational Alert] CRITICAL NOTICE - SAME DAY - OVERAGE ALERT - PHOENIX AREA

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 13:06 UTC  |  Rev. 1  |  ID: TW-120531 Direction: Neutral
Transco

UPDATE - Station 620 (Job 355854) 2026 Planned Outage Maintenance Summary

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 12:35 UTC  |  Rev. 1  |  ID: TRANSCO-17258433 Direction: Neutral
El Paso Natural Gas (EPNG)

[CAPACITY CONSTRAINT] Location Performance Update

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 02:34 UTC  |  Rev. 1  |  ID: EPNG-629591 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/09/2026- TE Pipeline Conditions for 9/10/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: TE-182802 Direction: Neutral
Steckman Ridge

09/09/2026- SR Storage Conditions for 9/10/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: SR-182808 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/09/2026- NEXUS Pipeline Conditions for 9/10/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: NXUS-182807 Direction: Neutral
Egan Hub Storage

09/09/2026- Egan Storage Conditions for 9/10/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: EG-182809 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 18:36 UTC  |  Rev. 1  |  ID: 7407 Direction: Neutral
Gulf South Pipeline

Gulf South Inability to Take Confirmed Quantities on Index 296

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 15:36 UTC  |  Rev. 1  |  ID: GSPL-5038687 Direction: Neutral
El Paso Natural Gas (EPNG)

[MAINTENANCE] Updated September 2026 Maintenance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 13:38 UTC  |  Rev. 1  |  ID: EPNG-629587 Direction: Neutral
Florida Gas Transmission

[Florida Gas Transmission] [Operational Alert] Overage Alert Day 25% Tolerance

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 12:27 UTC  |  Rev. 1  |  ID: FGT-68680 Direction: Neutral
Gulf South Pipeline

Failure to Deliver Confirmed Quantities at Location 464

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 02:31 UTC  |  Rev. 1  |  ID: GSPL-5038685 Direction: Neutral
Southeast Supply Header

09/08/2026- SESH Pipeline Conditions for 9/9/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 23:31 UTC  |  Rev. 1  |  ID: SESH-182720 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/08/2026- NEXUS Pipeline Conditions for 9/9/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-08 23:31 UTC  |  Rev. 1  |  ID: NXUS-182719 Direction: Neutral
Egan Hub Storage

09/08/2026- Egan Storage Conditions for 9/9/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-08 23:31 UTC  |  Rev. 1  |  ID: EG-182723 Direction: Neutral
Gulf South Pipeline

Failure to Deliver Confirmed Quantities at Location 464

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 23:31 UTC  |  Rev. 1  |  ID: GSPL-5038680 Direction: Neutral
Steckman Ridge

09/08/2026- SR Storage Conditions for 09/09/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 20:31 UTC  |  Rev. 1  |  ID: SR-182701 Direction: Neutral
Algonquin Gas Transmission

09/08/2026- AGT Pipeline Conditions for 09/09/2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 20:31 UTC  |  Rev. 1  |  ID: AG-182702 Direction: Neutral
Tennessee Gas Pipeline (TGP)

Special Permit Extension 329-1 Valve Can

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 19:36 UTC  |  Rev. 1  |  ID: TGP-404068 Direction: Neutral
Iroquois Gas Transmission

Capacity Constraint

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 18:37 UTC  |  Rev. 1  |  ID: 7406 Direction: Neutral
Tres Palacios Gas Storage

09/08/2026- TPGS Storage Conditions for 9/8/2026 -- INTRADAY

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 16:56 UTC  |  Rev. 1  |  ID: TPGS-182693 Direction: Neutral
Southern Star

Operational Capacity Reduction - Line Segment 385 Updated

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:16 UTC  |  Rev. 1  |  ID: ss-11215 Direction: Neutral
Columbia Gas Transmission (TCO)

UPDATE: Line SM-80 Pipeline Maintenance (CEREWEST), Effective September 10-26, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-08 13:57 UTC  |  Rev. 1  |  ID: TCO-26239026 Direction: Neutral
Enable Gas Transmission (EGT)

[Enable Gas Transmission (EGT)] [Maintenance] SOUTH POOL INTEGRITY DIGS TERM

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 13:36 UTC  |  Rev. 1  |  ID: EGT-6541 Direction: Neutral
NEXUS Gas Transmission (U.S.)

09/08/2026- Nexus Customer Specific Operational Flow Order -- LIFED -- 9/8

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: NXUS-182685 Direction: Neutral
Columbia Gas Transmission (TCO)

LIFTED: OFO - Receipt Points in Market Areas 26, 30, 35, 41, 42, Eff. ID1 Tuesday, September 8, 2026

SEV 2/5
lifted ✓ Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: TCO-26239022 Direction: Neutral
Columbia Gas Transmission (TCO)

CAPACITY POSTING - TIM for September 9, 2026

SEV 2/5
Informational

Pre-screen severity 2 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: TCO-26239023 Direction: Neutral
Kern River Gas Transmission

Kern River - Line Pack Has Returned to Normal

UNSCORED
Informational
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Posted: 2026-10-06 11:33 UTC  |  Rev. 7  |  ID: 20260461 Direction: Neutral
Kern River Gas Transmission

Kern River - Warning - Line Pack is Low

UNSCORED
Informational
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Posted: 2026-09-30 23:33 UTC  |  Rev. 3  |  ID: 20260458 Direction: Neutral
Northwest Pipeline

Oregon City ESD & Goldendale ESD - Maintenance Reminder

UNSCORED
Informational
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Posted: 2026-09-17 05:32 UTC  |  Rev. 2  |  ID: NWP-33019 Direction: Neutral
East Tennessee Natural Gas

09/13/2026- ETNG Pipeline Conditions for 9/14/2026

UNSCORED
Informational
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Posted: 2026-09-16 18:32 UTC  |  Rev. 15  |  ID: ET-182965 Direction: Neutral
East Tennessee Natural Gas

09/14/2026- ETNG Pipeline Conditions for 9/15/2026

UNSCORED
Informational
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Posted: 2026-09-16 18:32 UTC  |  Rev. 8  |  ID: ET-183008 Direction: Neutral
East Tennessee Natural Gas

09/12/2026- ETNG Pipeline Conditions for 9/13/2026

UNSCORED
Informational
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Posted: 2026-09-14 20:31 UTC  |  Rev. 3  |  ID: ET-182921 Direction: Neutral
ANR Pipeline (TC Energy)

MAINTENANCE SCHEDULE for ANR Pipeline

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 19:17 UTC  |  Rev. 1  |  ID: ANR-26249022 Direction: Neutral
Columbia Gulf Transmission (CGT)

Construction and Maintenance Schedule Posting

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-14 19:17 UTC  |  Rev. 1  |  ID: CGT-26246025 Direction: Neutral
East Tennessee Natural Gas

09/11/2026- ETNG Pipeline Conditions for 9/12/2026

UNSCORED
Informational
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Posted: 2026-09-14 18:01 UTC  |  Rev. 5  |  ID: ET-182879 Direction: Neutral
ANR Pipeline (TC Energy)

LIFTED: CAPACITY REDUCTION Southeast Mainline – Defiance Southbound

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-14 14:02 UTC  |  Rev. 1  |  ID: ANR-26246023 Direction: Neutral
Columbia Gulf Transmission (CGT)

CAPACITY POSTING - TIM for September 15, 2026

UNSCORED
Informational
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Posted: 2026-09-14 12:31 UTC  |  Rev. 1  |  ID: CGT-26246020 Direction: Neutral
Northern Border Pipeline (NBPL)

LIFTED-Effective Immediately-Force Majeure: St Anthony Compressor 7

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 18:47 UTC  |  Rev. 1  |  ID: NBPL-26246018 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/12/2026- Five Points Compressor Station Unplanned Outage -- COMPLETE

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-12 15:47 UTC  |  Rev. 1  |  ID: TE-182908 Direction: Neutral
Southeast Supply Header

09/09/2026- SESH Pipeline Conditions for 09/10/2026

UNSCORED
Informational
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Posted: 2026-09-12 11:31 UTC  |  Rev. 3  |  ID: SESH-182782 Direction: Neutral
Southeast Supply Header

09/10/2026- SESH Pipeline Conditions for 9/11/2026

UNSCORED
Informational
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Posted: 2026-09-12 11:31 UTC  |  Rev. 3  |  ID: SESH-182825 Direction: Neutral
El Paso Natural Gas (EPNG)

[OPERATIONAL FLOW ORDER] SOC Lifted - System Wide Draft

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:18 UTC  |  Rev. 3  |  ID: EPNG-629605 Direction: Neutral
El Paso Natural Gas (EPNG)

[MAINTENANCE] Reminder Wshgtn Ranch Bottom Hole Survey

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 18:18 UTC  |  Rev. 3  |  ID: EPNG-629607 Direction: Neutral
Tennessee Gas Pipeline (TGP)

MLV 409-1 to MLV 406-1 Spike Test

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 14:17 UTC  |  Rev. 1  |  ID: TGP-404140 Direction: Neutral
Gulf South Pipeline

Termination of Gulf South Critical Period for Areas 1, 2, 3, and 4

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-11 12:01 UTC  |  Rev. 1  |  ID: GSPL-5038696 Direction: Neutral
Natural Gas Pipeline (NGPL)

[MAINTENANCE] OUTAGE IMPACT REPORT 9-10-26

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:32 UTC  |  Rev. 1  |  ID: NGPL-47215 Direction: Neutral
Columbia Gulf Transmission (CGT)

Construction and Maintenance Schedule Posting

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: CGT-26246011 Direction: Neutral
Tennessee Gas Pipeline (TGP)

TGP Outage Impact Report

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: TGP-404118 Direction: Neutral
Great Lakes Gas Transmission

October 2026 Transporter's Use Schedule Notice

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 23:31 UTC  |  Rev. 1  |  ID: 1228 Direction: Neutral
Southern Star

Operational Capacity Reduction - Line Segment 385 Updated for 9/12

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
View original notice text
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Posted: 2026-09-10 16:21 UTC  |  Rev. 1  |  ID: ss-11216 Direction: Neutral
Tuscarora Gas Transmission

HIGHER BTU GAS on Tuscarora (Posted: 9/10/26)

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 14:12 UTC  |  Rev. 1  |  ID: 718 Direction: Neutral
Gas Transmission Northwest

HIGHER BTU GAS on GTN (Posted: 9/10/26)

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 14:12 UTC  |  Rev. 1  |  ID: 1636 Direction: Neutral
Millennium Pipeline (MPC)

2026 Millennium Maintenance Schedule 9/9/2026

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 13:37 UTC  |  Rev. 1  |  ID: MPC-26246010 Direction: Neutral
Gas Transmission Northwest

Open Season for October 2026 capacity closes at 12:00 PM CT on September 17 2026

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 13:37 UTC  |  Rev. 1  |  ID: 1635 Direction: Neutral
Northern Border Pipeline (NBPL)

LIFTED: Northern Border High Inventory OFO Watch (September 10, 2026)

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 12:36 UTC  |  Rev. 1  |  ID: NBPL-26245009 Direction: Neutral
Columbia Gulf Transmission (CGT)

CAPACITY POSTING - TIM for September 11, 2026

UNSCORED
Informational
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Posted: 2026-09-10 12:36 UTC  |  Rev. 1  |  ID: CGT-26245008 Direction: Neutral
Columbia Gas Transmission (TCO)

CAPACITY POSTING - TIM for September 11, 2026

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-10 12:36 UTC  |  Rev. 1  |  ID: TCO-26246009 Direction: Neutral
Northwest Pipeline

Buhl CS - Unplanned Maintenance

UNSCORED
Informational
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: NWP-33016 Direction: Neutral
Tennessee Gas Pipeline (TGP)

EMERGENT REPAIR AT MLV 258-2 TO 259-2

UNSCORED
Informational
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Posted: 2026-09-09 23:31 UTC  |  Rev. 1  |  ID: TGP-404094 Direction: Neutral
Corpus Christi LNG

Quorum Server Maintenance September 09, 2026 – 7:15PM to 8:15PM (CST)

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 23:30 UTC  |  Rev. 1  |  ID: 00001991 Direction: Neutral
Columbia Gas Transmission (TCO)

Construction and Maintenance Schedule Posting

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 20:31 UTC  |  Rev. 1  |  ID: TCO-26239036 Direction: Neutral
Corpus Christi LNG

Quorum Server Maintenance September 10, 2026, 10:15PM to September 11, 2026, 12:00AM

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 19:16 UTC  |  Rev. 1  |  ID: 00001987 Direction: Neutral
Transco

Pipeline Conditions

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 15:55 UTC  |  Rev. 1  |  ID: TRANSCO-17255214 Direction: Neutral
ANR Pipeline (TC Energy)

TC eConnects SYSTEM MAINTENANCE

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 15:36 UTC  |  Rev. 1  |  ID: ANR-26239031 Direction: Neutral
Transco

Pipeline Conditions

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 15:35 UTC  |  Rev. 1  |  ID: TRANSCO-17255191 Direction: Neutral
Columbia Gulf Transmission (CGT)

CAPACITY POSTING - TIM for September 10, 2026

UNSCORED
Informational
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Posted: 2026-09-09 12:27 UTC  |  Rev. 1  |  ID: CGT-26238016 Direction: Neutral
Columbia Gas Transmission (TCO)

CAPACITY POSTING - TIM for September 10, 2026

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-09 12:27 UTC  |  Rev. 1  |  ID: TCO-26239029 Direction: Neutral
Northwest Pipeline

Sumas Meter Upgrade Part 2 - Maintenance Complete

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 20:32 UTC  |  Rev. 1  |  ID: NWP-33015 Direction: Neutral
El Paso Natural Gas (EPGD)

[MAINTENANCE] TGP SUMMER MAINTENANCE MTG 9-22-2026

UNSCORED
Informational
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Posted: 2026-09-08 14:58 UTC  |  Rev. 1  |  ID: EPGD-404060 Direction: Neutral
Texas Eastern Transmission (TETCO)

09/08/2026- Lebanon Compressor Station Unplanned Outage -- COMPLETE

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:56 UTC  |  Rev. 1  |  ID: TE-182691 Direction: Neutral
Tuscarora Gas Transmission

TCPLUS System Maintenance

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:37 UTC  |  Rev. 1  |  ID: 717 Direction: Neutral
North Baja Pipeline

TCPLUS System Maintenance

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:37 UTC  |  Rev. 1  |  ID: 729 Direction: Neutral
Gas Transmission Northwest

TCPLUS System Maintenance

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:37 UTC  |  Rev. 1  |  ID: 1634 Direction: Neutral
Great Lakes Gas Transmission

TCPLUS System Maintenance

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 14:36 UTC  |  Rev. 1  |  ID: 1227 Direction: Neutral
Tuscarora Gas Transmission

HIGHER BTU GAS on Tuscarora (Posted: 9/8/26)

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 13:57 UTC  |  Rev. 1  |  ID: 716 Direction: Neutral
Gas Transmission Northwest

HIGHER BTU GAS on GTN (Posted: 9/8/26)

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 13:57 UTC  |  Rev. 1  |  ID: 1633 Direction: Neutral
ANR Pipeline (TC Energy)

LIFTED: CAPACITY REDUCTION Michigan Leg South - St. John Eastbound

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 13:57 UTC  |  Rev. 1  |  ID: ANR-26238015 Direction: Neutral
Columbia Gulf Transmission (CGT)

CAPACITY POSTING - TIM for September 9, 2026

UNSCORED
Informational
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: CGT-26238013 Direction: Neutral
Columbia Gas Transmission (TCO)

LIFTED: Critical Day for Storage Injections: Eff. ID1 Tuesday, September 8, 2026

SEV 1/5
lifted ✓ Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:26 UTC  |  Rev. 1  |  ID: TCO-26239021 Direction: Neutral
Tennessee Gas Pipeline (TGP)

TGP SUMMER MAINTENANCE MTG 9-22-2026

SEV 1/5
Informational

Pre-screen severity 1 -- below full-score threshold.

Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Posted: 2026-09-08 12:06 UTC  |  Rev. 1  |  ID: TGP-404060 Direction: Neutral
← Sep 1–7Sep 15–21 →
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