Every notice, by week
The month’s most market-relevant notices, highest severity first. Routine postings (severity 1–3) are on the week pages.
Rockies Express
[OPERATIONAL ALERT] BERTRAND COMPRESSOR STATION OPERATIONAL ISSUE - UPDATE #16
SEV 5/5
Compressor Issue
1.075 Bcf/d
Until Further Notice
REX Bertrand Compressor Station operational issue (Update #16) restricts Segment 250 westbound-to-eastbound capacity to 1.075 Bcf/d effective Gas Day August 1, 2026, until further notice. Primary firm, secondary firm, and ITS/AOR service are all explicitly at risk of not being scheduled. No restoration timeline has been provided.
REX Segment 250 restricted to 1.075 Bcf/d with primary and secondary firm at risk; expect bullish pressure at Midcontinent and downstream Midwest basis points as eastbound Rockies takeaway is curtailed, with bearish pressure at CIG/Cheyenne Hub as Rockies gas backs up -- no restoration timeline adds upward severity bias.
Reroute: None: Trailblazer Pipeline leases capacity at Bertrand Compressor Station on REX -- when REX Segment 250 is constrained at Bertrand, Trailblazer is simultaneously affected and cannot serve as an independent reroute option. CIG provides some Rockies egress but cannot replace REX eastbound volumes at this scale.
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ANR Pipeline (TC Energy)
CAPACITY REDUCTION Non-Performance at Patterson/Neptune (LOC #505655) - Southeast Area
SEV 5/5
Capacity Constraint
0.500 Bcf/d
Until Further Notice
ANR Pipeline has declared a critical capacity restriction effective immediately at the Patterson/Neptune receipt location (LOC #505655) in St. Mary Parish, Louisiana, due to non-performance. Starting 7/23 and until further notice, scheduled capacity is reduced by 0.500 Bcf/d, leaving only 0.100 Bcf/d available at this location. ANR explicitly anticipates Firm Primary, Firm Secondary, and Interruptible curtailments -- all service classes are at risk.
ANR restricts 0.500 Bcf/d at Patterson/Neptune (SE Louisiana) with firm primary curtailments anticipated and no restoration timeline; expect bearish Henry Hub pressure as Gulf Coast northbound takeaway backs up, with potential bullish signal at Midwest/Chicago markets losing this supply.
Reroute: Moderate: TETCO, Trunkline (TGC), and Southern Natural (EGT) serve overlapping Gulf Coast northbound corridors, but the 0.500 Bcf/d reduction at a single receipt point is large relative to typical spare capacity and firm curtailments across all service classes suggest limited ability to absorb volumes at alternative paths without congestion.
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Tallgrass Energy
[Trailblazer Pipeline (TPC)] [OPERATIONAL ALERT] THIRD PARTY OPERATIONAL ISSUE - BERTRAND COMPRESSOR STATION - UPDATE #16
SEV 4/5
Operational Alert
0.818 Bcf/d
Until Further Notice
Trailblazer Pipeline Segment 20 is restricted to 0.818 Bcf/d effective Gas Day August 1, 2026, until further notice due to a third-party operational issue at Bertrand Compressor Station (Update #16). At this restricted level, primary firm, secondary firm, and interruptible service are all at risk of not being scheduled. No restoration timeline has been provided.
Trailblazer Segment 20 restricted to 0.818 Bcf/d with primary and secondary firm at risk; because Trailblazer leases capacity at Bertrand CS on REX, REX Zone 1 is simultaneously constrained -- reroute is effectively zero, expect bearish pressure at CIG/Cheyenne Hub as Rockies gas backs up with no viable takeaway alternative.
Reroute: None: Trailblazer and REX share Bertrand Compressor Station -- this is the same third-party facility constraining both pipes simultaneously, meaning REX cannot serve as an independent reroute for Trailblazer volumes. This is a correlated constraint with zero bypass for affected Rockies eastbound capacity.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a Force Majeure on the East Mainline segment, effective July 30, 2026 at 9:00 AM through July 31, 2026 at 8:59 AM. No specific capacity volume is stated in the notice. The East Mainline is the primary outbound corridor moving Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points.
TW East Mainline force majeure reduces westbound Permian/San Juan takeaway capacity; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- duration is 1 day but force majeure language warrants close monitoring for extension.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border and Arizona deliveries, but any simultaneous EPNG constraint would eliminate California reroute options entirely. Verify EPNG East mainline availability before assuming full offset.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a force majeure on its East Mainline segment, effective July 30, 2026 at 9:00 AM through July 31, 2026 at 8:59 AM -- a roughly 24-hour window. The East Mainline carries Permian Basin and San Juan Basin gas westbound toward SoCal border and Arizona delivery points. No specific capacity volume is stated in the notice.
TW force majeure on East Mainline reduces Permian/San Juan westbound takeaway capacity; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- monitor EPNG spare capacity as the only meaningful reroute alternative.
Reroute: Moderate: EPNG is the primary competing pipeline serving SoCal border and Arizona from the Permian/San Juan Basin corridor; however, if EPNG is simultaneously constrained or running near capacity in summer peak conditions, reroute may be limited.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a force majeure on the East Mainline, effective July 30, 2026 at 9:00 AM through July 31, 2026 at 8:59 AM. The East Mainline is the primary eastward segment carrying Permian/San Juan Basin gas westbound toward SoCal Border and Arizona delivery points. No specific capacity volume was stated in the notice.
TW East Mainline force majeure tightens westbound Permian/San Juan takeaway; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- monitor EPNG for any offsetting capacity given TW is constrained.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border and Arizona deliveries, but if EPNG is simultaneously constrained or fully subscribed, reroute potential drops to none for California and Southwest markets.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a force majeure capacity constraint on its East Mainline, effective July 29, 2026 at 9:00 AM through July 30, 2026 at 8:59 AM -- a roughly 24-hour event. No specific capacity volume is stated in the notice. The East Mainline is the primary outbound segment carrying Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points.
TW East Mainline force majeure tightens westbound Permian/San Juan takeaway for ~24 hours; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- volume impact unquantified but force majeure on TW East Mainline warrants immediate attention given California supply sensitivity.
Reroute: Moderate: EPNG (El Paso Natural Gas) is the primary competing pipeline serving SoCal Border and Arizona markets and may absorb some displaced volumes, but if EPNG is also constrained or near capacity during summer cooling demand, reroute options are limited.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline declared force majeure on its East Mainline segment effective July 29, 2026 at 9:00 AM through July 30, 2026 at 8:59 AM -- a roughly 24-hour event. The East Mainline is a primary westbound outbound corridor moving Permian Basin and San Juan Basin gas toward SoCal Border and Arizona delivery points. No specific capacity volume was stated in the notice.
TW East Mainline force majeure reduces westbound Permian/San Juan takeaway capacity; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points for the duration of the 1-day event.
Reroute: Moderate: EPNG (El Paso Natural Gas) is the primary competing pipeline serving SoCal Border and Arizona markets from the Permian Basin, but spare EPNG capacity during a force majeure event may be limited and cannot guarantee full offset of constrained TW volumes.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared force majeure on its East Mainline, effective July 30, 2026 at 9:00 AM through July 31, 2026 at 8:59 AM. The East Mainline is a primary outbound corridor moving Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points. No specific volume restriction was stated in the notice.
TW East Mainline force majeure tightens Permian westbound takeaway; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points for the July 30 gas day.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some displaced TW volumes, but EPNG spare capacity during summer peak demand periods may be limited, constraining full offset.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a Force Majeure on the East Mainline segment, effective July 29, 2026 at 9:00 AM through July 30, 2026 at 8:59 AM. The East Mainline is the primary outbound corridor carrying Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points. No specific capacity volume was stated in the notice.
TW East Mainline force majeure tightens westbound Permian/San Juan takeaway; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points with no capacity volume disclosed to size the move.
Reroute: Moderate: El Paso Natural Gas (EPNG) is the primary competing pipeline for SoCal Border and Arizona deliveries and may absorb some displaced volumes, but EPNG spare capacity is uncertain and a simultaneous EPNG constraint would eliminate California reroute entirely.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Lincoln Station
SEV 4/5
Force Majeure
1 Days
EPNG has declared a force majeure at Lincoln Station effective 07/29/2026 at 8:31 AM, with an anticipated end date of 07/30/2026 at 9:00 AM. Lincoln Station is a compressor station on the EPNG mainline in New Mexico, a key node on the Permian-to-California corridor. No specific capacity volume is stated in the notice. Duration is approximately one day.
EPNG force majeure at Lincoln Station tightens westbound Permian takeaway for roughly 24 hours -- expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points with no volume quantified yet.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border deliveries and may absorb some displaced volumes, though TW spare capacity varies and cannot be assumed sufficient to fully offset an EPNG mainline compressor FM event.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared force majeure on its East Mainline, effective July 29, 2026 at 9:00 AM through July 30, 2026 at 8:59 AM -- approximately one day. The East Mainline is the primary outbound corridor carrying Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points. No specific capacity volume was stated in the notice.
Transwestern East Mainline force majeure reduces westbound takeaway from Permian/San Juan Basin for ~1 day; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- EPNG is the primary reroute alternative but may face capacity limitations if volumes are large.
Reroute: Moderate: El Paso Natural Gas (EPNG) is the primary competing pipeline serving SoCal Border and Arizona from the Permian Basin corridor; however, if the TW constraint is significant in volume, EPNG spare capacity may be insufficient to fully absorb displaced flows, and simultaneous EPNG + TW constraints would leave California with no viable reroute.
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ANR Pipeline (TC Energy)
UPDATED: CAPACITY REDUCTION Michigan Leg North – Rabbit River MS
SEV 4/5
Maintenance
0.083 Bcf/d
Until Further Notice
40 Days
ANR Pipeline has rescheduled planned maintenance on the Michigan Leg North at Rabbit River Meter Station (Allegan County, MI), shifting the window from 7/30-8/24 to 8/6-9/14. During this 40-day period, capacity at Loc #523093 is reduced to zero from 83 MMcf/d (0.083 Bcf/d), with 100% curtailment of firm primary service expected based on both current nominations and contracted MDQ. This supersedes prior notice 26116014.
ANR removes 0.083 Bcf/d of firm delivery capacity at Rabbit River MS through 9/14, with 100% firm primary curtailment anticipated; expect tightening of Michigan/Midwest local basis and potential shipper displacement into alternative Midwest supply paths for the extended 40-day window.
Reroute: Moderate: ANR serves overlapping Midwest/Michigan markets alongside PEPL, TGT, and TETCO, which may absorb some displaced volumes, though Rabbit River MS serves specific local Allegan County distribution points that may have limited bypass options within the Michigan Leg North segment.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] EAST MAINLINE
SEV 4/5
Force Majeure
1 Days
Transwestern Pipeline has declared a force majeure on the East Mainline, effective July 29, 2026 at 9:00 AM through July 30, 2026 at 8:59 AM. The East Mainline is the primary eastbound/westbound corridor carrying Permian Basin and San Juan Basin gas westward toward SoCal Border and Arizona delivery points. No specific capacity volume has been stated in the notice.
TW East Mainline force majeure tightens Permian westbound takeaway for approximately 1 day; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- monitor EPNG spare capacity as the primary reroute alternative.
Reroute: Moderate: El Paso Natural Gas (EPNG) is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some displaced TW volumes, but a simultaneous EPNG constraint would eliminate California reroute entirely. EPNG spare capacity availability is the critical variable.
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Transwestern Pipeline
[Transwestern Pipeline] [Force Majeure] Force Majeure - Station 8 Compressor Station (Corona, NM). 7/29/26
SEV 4/5
Force Majeure
0.150 Bcf/d
2 Days
Transwestern Pipeline has declared a force majeure at Station 8 Compressor Station (Corona, NM) due to a mechanical failure, effective July 29, 2026 at 9:00 AM through July 31, 2026 at 8:59 AM. Westbound capacity through Station 9 (Roswell, NM) is reduced from 750,000 MMBtu/d to 600,000 MMBtu/d, a loss of approximately 0.150 Bcf/d affecting West Texas and Panhandle lateral volumes flowing west. Restoration to full capacity is scheduled for Gas Day July 31, 2026.
TW force majeure at Station 8 removes 0.150 Bcf/d of westbound Permian/Panhandle takeaway capacity; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points as westbound supply tightens.
Reroute: Moderate: EPNG serves overlapping westbound Permian-to-SoCal Border and Arizona markets and is the primary competing pipeline; however, summer cooling demand may limit available spare capacity on EPNG, partially offsetting reroute potential.
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ANR Pipeline (TC Energy)
CAPACITY REDUCTION Michigan Leg South - St. John Eastbound
SEV 4/5
Maintenance
0.750 Bcf/d
Until Further Notice
5 Days
ANR Pipeline has planned maintenance on the Michigan Leg South segment at St. John Eastbound (LOC #FPSTJNEB) from 8/30 through 9/3/2026. Capacity is reduced by 545 MMcf/d (leaving 780 MMcf/d) on 8/30-8/31, then by 750 MMcf/d (leaving 575 MMcf/d) on 9/1-9/3. ANR explicitly warns of Firm Primary, Firm Secondary, and Interruptible curtailments, with firm primary impact estimated at 10-45% on 8/30-8/31 and 34-59% on 9/1-9/3 based on contracted MDQ.
ANR Michigan Leg South eastbound reduction of up to 0.750 Bcf/d with confirmed firm primary curtailment risk (up to 59% of contracted MDQ on 9/1-9/3) tightens Gulf Coast-to-Midwest flows and is bullish for Chicago Citygate and Midwest basis versus Henry Hub during the affected gas days.
Reroute: Moderate: TETCO, PEPL, and TGT serve overlapping Gulf Coast-to-Midwest corridors, but the scale of firm primary curtailments (up to 59% of contracted MDQ) may exceed available alternative capacity on those systems, particularly during late-August/early-September shoulder demand.
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Freeport LNG Feed
[CAPACITY CONSTRAINT] ANT PIP DELIVERY RESTR TO CARNES 7-25
SEV 4/5
Capacity Constraint
1 Days
A capacity constraint is restricting Ant Pipeline deliveries to the Carnes compressor/delivery point serving Freeport LNG feed gas, effective July 24, 2026 at 1:16 PM through July 25, 2026 at 9:00 AM. No specific volume curtailment is stated in the notice. The event is short-duration, approximately 20 hours, but directly affects Freeport LNG feed gas supply.
Freeport LNG feed gas delivery restriction via Ant Pipeline reduces LNG export demand pull at the Gulf Coast; expect near-term bearish pressure at Henry Hub and Gulf Coast basis points until restoration at 09:00 CT July 25.
Reroute: Limited: Freeport LNG feed gas supply is dependent on specific upstream gathering and transmission laterals; no volume figure is provided to assess alternative routing, and LNG feed gas laterals typically have limited bypass options.
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Tennessee Gas Pipeline (TGP)
FORCE MAJEURE 538-2 - 539-2 UPDATE #1
SEV 4/5
Force Majeure
Until Further Notice
2 Days
Tennessee Gas Pipeline has declared a Force Majeure on Line 2 between MLV sections 538-2 and 539-2 near Heidelberg, Mississippi, effective July 23, 2026. An unplanned equipment issue requiring immediate repair has restricted Primary In the Path nominations through MLV 539 (Segment 534 BH) and limited receipts/deliveries at the Leaf Jasper County Meter (412789). TGP anticipates restoration by July 25, 2026, with full nominations expected to resume for the July 26 Gas Day Timely Cycle.
TGP Line 2 force majeure near Heidelberg, MS restricts primary firm capacity on a key Southeast supply corridor; expect short-term bullish pressure on Transco Zone 4 and Southeast basis with restoration targeted by July 25 evening.
Reroute: Limited: Transco serves overlapping Southeast markets and provides partial alternative, but SNG (Southern Natural Gas) is the only other major competing pipeline in the Gulf Coast-to-Southeast corridor; full reroute is unlikely given primary firm restrictions active on TGP Line 2.
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Natural Gas Pipeline (NGPL)
[FORCE MAJEURE] FORCE MAJEURE - M&M LATERAL - SEG 3
SEV 4/5
Force Majeure
1 Days
NGPL has declared a force majeure on the M&M Lateral, Segment 3, effective July 23, 2026 at 1:07 PM with a stated end date of July 24, 2026 at 9:00 AM -- approximately 20 hours of impact. No specific capacity volume is stated in the notice. The M&M Lateral serves Midwest delivery points on the NGPL system, one of the highest-throughput pipelines serving Chicago and the broader Midwest market.
NGPL force majeure on M&M Lateral Seg 3 is bullish for Chicago Citygate and Midwest basis vs Henry Hub; short duration limits market impact but force majeure classification warrants monitoring for scope expansion given no capacity volume is disclosed.
Reroute: Moderate: ANR, PEPL, and REX Zone 3 serve overlapping Chicago and Midwest markets, though NGPL is very high capacity and large constraints are difficult to fully offset; the lack of a stated volume figure limits reroute assessment.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Line 1102
SEV 4/5
Force Majeure
1 Days
EPNG has declared a force majeure on Line 1102 effective 07/22/2026 at 11:58 AM, with restoration expected by 07/23/2026 at 9:00 AM. No specific capacity volume is stated in the notice. The event is short-duration (approximately 21 hours) but is an unplanned force majeure on a key Permian outbound segment.
EPNG Line 1102 force majeure traps Permian Basin gas at Waha (bearish Waha basis) while reducing westbound supply to SoCal Border and Arizona delivery points (bullish SoCal Border and AZ basis); no capacity volume disclosed, but duration is limited to roughly one gas day.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline serving SoCal Border and Arizona delivery points from the Permian and San Juan Basin, and may absorb some displaced EPNG volumes, though spare capacity on TW is not confirmed and full offset is uncertain.
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Tennessee Gas Pipeline (TGP)
FORCE MAJEURE 538-2 TO 539-2 EFF 7-23-26
SEV 4/5
Force Majeure
Until Further Notice
Tennessee Gas Pipeline has declared a Force Majeure between MLV 538-2 and 539-2 on Line 2 near Heidelberg, Mississippi, effective July 23, 2026. An unplanned issue requiring immediate repairs will shut in meter 412789 (Leaf/TGP Jasper County), placing all receipts and deliveries at that meter at risk starting with Timely Cycle on July 23. No restoration timeline has been provided; TGP states it will update customers as more information becomes available.
TGP force majeure on Line 2 in Heidelberg, MS shuts in the Leaf/Jasper County meter with no stated restoration timeline, removing an indeterminate volume of Southeast supply and creating bullish pressure on Tennessee Zone 4 and Transco Zone 4 Southeast basis vs Henry Hub.
Reroute: Limited: Transco and Southern Natural Gas (SNG/EGT) serve overlapping Southeast markets, but the specific Leaf/Jasper County receipt point is directly tied to TGP Line 2 with no direct bypass; downstream Southeast deliveries dependent on this meter have limited reroute options.
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ANR Pipeline (TC Energy)
CAPACITY REDUCTION - Southeast Area – Eunice Compressor Station
SEV 4/5
Maintenance
2.265 Bcf/d
Until Further Notice
7 Days
ANR Pipeline has planned maintenance at Eunice Compressor Station in Acadia Parish, Louisiana (Southeast Area) from August 4-10, 2026, resulting in firm primary, firm secondary, and interruptible curtailments. Nine delivery and interconnect locations face full or near-full capacity reductions totaling approximately 2.265 Bcf/d of constrained capacity, with Pine Prairie South Del completely shut (0.6 Bcf/d) and major curtailments at Shadyside/Sonat (0.431 Bcf/d to 0.150 remaining) and Shadyside/TGP (0.443 Bcf/d to 0.030 remaining). ANR estimates firm primary impact at 10% of current net nominations and 27% of contracted MDQ.
ANR Eunice CS maintenance removes approximately 2.265 Bcf/d of Southeast Area delivery capacity for 7 days (8/4-8/10), with firm primary curtailments affecting key interconnects to CGT (Columbia Gulf), TGP, Sonat/SNG, and Trunkline; expect bullish pressure at Henry Hub and Transco Zone 4 as Gulf Coast supply access tightens, with widening ANR Southeast-to-Midwest basis.
Reroute: Moderate: TETCO (monitored), Trunkline/TGC (monitored), and Southern Natural/SNG (EGT, monitored) serve overlapping Gulf Coast northbound corridors, but the scale of curtailments across multiple interconnects simultaneously -- including the Patterson/Trunkline and Patterson/Col Gulf links -- significantly limits the ability of alternatives to absorb the full volume; partial reroute possible but not sufficient to fully offset 2.265 Bcf/d of constrained capacity.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - L3162
SEV 4/5
Force Majeure
1 Days
El Paso Natural Gas has declared a force majeure on Line 3162 effective 07/21/2026 at 2:01 PM, with an expected restoration by 07/22/2026 at 9:00 AM -- approximately 19 hours of impact. No specific capacity volume is stated in the notice. L3162 is an EPNG mainline segment; as an outbound Permian Basin corridor, this event traps gas at Waha while reducing westbound supply to SoCal Border and Arizona delivery points.
EPNG FM on L3162 removes westbound Permian takeaway capacity for roughly 19 hours; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points -- no volume stated but any mainline FM on EPNG is a firm market signal.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing corridor for SoCal border and Arizona deliveries, but available spare capacity on TW at this time is uncertain and may not fully offset an EPNG mainline FM event.
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El Paso Natural Gas (EPNG)
[OPERATIONAL FLOW ORDER] SOC Declaration - System Wide Draft
SEV 4/5
Operational Alert
1 Days
EPNG has declared a System-Wide Operational Flow Order (OFO) / SOC (System Operational Condition) effective 07/21/2026 at 7:25 AM, expiring 07/22/2026 at 9:00 AM. The system-wide scope indicates EPNG is experiencing line pack stress or imbalance conditions across its entire network, spanning the Permian Basin eastward origin points through to SoCal Border and Arizona delivery points. No specific capacity volume is stated in the notice, but system-wide OFO declarations on EPNG signal operational stress requiring shippers to balance nominations immediately.
EPNG system-wide OFO creates immediate balancing pressure for all shippers; expect bearish Waha/Permian basis as takeaway is operationally constrained and bullish pressure at SoCal Border and Arizona delivery points as westbound deliveries tighten -- shippers out of balance risk cash-out penalties and forced curtailment through 9:00 AM 07/22.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline serving SoCal Border and Arizona delivery points, and may absorb some displaced volumes; however, summer peak demand conditions likely mean TW is operating near capacity, limiting meaningful reroute relief.
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Tennessee Gas Pipeline (TGP)
FORCE MAJEURE 113-2 TO 114-2 EFF 7-22-26
SEV 4/5
Force Majeure
Until Further Notice
Tennessee Gas Pipeline has declared a Force Majeure on Line 2 between MLV 113-2 and MLV 114-2 (Broad Run Lateral) in Boyd County, Kentucky near Catlettsburg, effective July 22, 2026, until further notice. The FM is triggered by a PHMSA Corrective Action Order (CAO) following an emergent repair that began July 8, 2026, which restricts operating pressures on Line 2 from Sta. 110 (Morehead, KY) to Sta. 114 (Catlettsburg, KY). As a result, nominations at Big Sandy Glancy Fork PIN 412742 will be reduced to zero, with potential for additional segment restrictions as nearby scheduled maintenance concludes.
TGP force majeure on Line 2 Appalachian segment (Sta. 110-114, KY) reduces Big Sandy Glancy Fork nominations to zero until further notice, tightening Appalachian southbound/downstream capacity and supporting bullish pressure at Transco Zone 4 Southeast and Dominion South basis vs Henry Hub.
Reroute: Moderate: Transco and Columbia Gas Transmission (TCO) serve overlapping Appalachian and Southeast corridors, but TCO and TETCO M2 capacity availability will determine how much of the stranded Big Sandy volume can be rerouted; additional TGP segment restrictions flagged as possible if nearby maintenance concludes, which could further limit reroute flexibility.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure Update - Florida C Station
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a Force Majeure at Florida C Station effective 07/14/2026 at 9:41 AM with an expected end date of 07/15/2026 at 9:00 AM. Florida C is an internal EPNG tariff segment/compressor station designation in the Southwest/Texas-New Mexico corridor, not related to the state of Florida. The notice does not specify a capacity volume loss, but a force majeure at a compressor station on an outbound EPNG segment constrains Permian Basin takeaway moving westward toward SoCal and Arizona delivery points.
EPNG force majeure at Florida C Station constrains Permian-to-west outbound flow for approximately 1 day; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- no capacity volume specified so magnitude of basis move is uncertain.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some diverted volumes, though spare capacity on TW is not guaranteed and cannot be confirmed without operational data.
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ANR Pipeline (TC Energy)
UPDATED CAPACITY REDUCTION Michigan Leg South – Joliet (NGPL)
SEV 4/5
Maintenance
0.025 Bcf/d
Until Further Notice
24 Days
ANR Pipeline has extended unplanned maintenance on the Michigan Leg South at the Joliet NGPL interconnect (LOC #2610) in Will County, Illinois, now running from 7/8 through 7/31 (extended from the prior 7/12 end date). Capacity at Joliet NGPL is reduced to 0 MMcf/d from 25 MMcf/d, a complete elimination of deliveries at this location. ANR explicitly anticipates 100% curtailments of Firm Primary, Firm Secondary, and Interruptible service based on both current nominations and contracted MDQ.
ANR unplanned outage eliminates all 0.025 Bcf/d of Joliet NGPL deliveries through 7/31 with 100% firm primary curtailments confirmed; expect bullish pressure at Chicago Citygate and NGPL Midcontinent basis as this supply point goes fully dark for the remainder of the month.
Reroute: Moderate: NGPL, PEPL, and TETCO serve overlapping Gulf Coast-to-Midwest corridors and may absorb some displaced volume, though 100% firm primary curtailments at this specific Joliet interconnect point mean affected shippers must actively seek alternative paths and may face higher basis costs.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Puckett Station
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a force majeure at Puckett Station effective 07/10/2026 at 7:28 AM, with an end date of 07/11/2026 at 9:00 AM -- approximately one calendar day. Puckett Station is a compressor/measurement station on the EPNG system in the Permian Basin corridor, affecting westbound Permian takeaway capacity. No specific volume restriction was provided in the notice.
EPNG force majeure at Puckett Station restricts Permian Basin westbound takeaway; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points as downstream supply tightens -- monitor for capacity volume disclosure in subsequent revisions.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some displaced Permian volumes, but spare capacity is not guaranteed and a simultaneous TW constraint would eliminate California reroute options entirely.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Line 1103 Update #2
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a force majeure on Line 1103, effective July 9, 2026 at 2:37 PM with an expected restoration by July 10, 2026 at 9:00 AM. This is a fresh first-revision notice (Revision Number 1, Is Revision: No) covering approximately 18 hours of disruption. No specific capacity volume is stated in the notice, but any EPNG Line 1103 outbound constraint restricts Permian/Waha takeaway westward toward SoCal and Arizona markets.
EPNG Line 1103 force majeure tightens Permian westbound takeaway; expect bearish pressure at Waha as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points for the July 9-10 gas day.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline serving SoCal Border and Arizona delivery points from the Permian/San Juan Basin, but spare capacity availability is uncertain and may not fully offset EPNG Line 1103 volumes given the short notice window.
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Enable Gas Transmission (EGT)
[Enable Gas Transmission (EGT)] [Force Majeure] LINE S FMJ
SEV 4/5
Force Majeure
Until Further Notice
EGT has declared Force Majeure on Line S in the South Pooling Area effective July 10, 2026 at 09:00 CDT, continuing until further notice, due to unplanned integrity assessment maintenance. All IT and Secondary service flows from West 1, West 2, Flex, and North Pooling Areas into the South Pooling Area are suspended, and receipt nominations from Line AC meters (including MRT at Glendale and NGPL at Hot Springs) to South Pooling Area delivery points are severely limited. Shippers must nominate from primary receipt to primary delivery to maintain highest service priority or face OFO issuance.
EGT Force Majeure on Line S eliminates interpool IT and secondary service into the South Pooling Area with no restoration timeline, isolating Arkla Basin / Oklahoma delivery points and creating tightness at MRT and NGPL Hot Springs interconnects; shippers exposed to curtailment risk should immediately restructure nominations to primary firm paths.
Reroute: Limited: Gulf South and Southern Natural (EGT via Energy Transfer) serve overlapping Arkla Basin and Southeast corridors and may absorb some displaced volume, but the loss of specific receipt-to-delivery paths on EGT Line AC -- particularly the MRT Glendale and NGPL Hot Springs meter points -- limits practical reroute options for shippers with South Pooling Area delivery obligations.
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ANR Pipeline (TC Energy)
CAPACITY REDUCTION Michigan Leg South – Joliet (NGPL)
SEV 4/5
Maintenance
0.025 Bcf/d
Until Further Notice
5 Days
ANR Pipeline has declared an unplanned maintenance event on the Michigan Leg South at the Joliet NGPL interconnect (LOC #2610), effective intraday 7/8/2026 through 7/12/2026. The full 25 MMcf/d (0.025 Bcf/d) capacity at this location is reduced to zero, with 100% curtailment of Firm Primary service based on both current net shipper nominations and contracted MDQ. ANR is cutting previously scheduled volumes beginning Gas Day 7/8/2026 and will issue reservation charge credits per tariff Section 6.36 if firm capacity cannot be delivered.
Unplanned ANR Michigan Leg South outage eliminates 0.025 Bcf/d at the Joliet NGPL interconnect with 100% firm primary curtailments through 7/12, tightening NGPL Chicago/Midwest receipts from ANR and widening Chicago Citygate basis vs Henry Hub.
Reroute: Moderate: NGPL, PEPL, and TETCO serve overlapping Gulf Coast-to-Midwest corridors and may absorb some displaced volumes, though the complete elimination of this specific ANR-to-NGPL interconnect point limits direct substitution for shippers relying on this delivery location.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Line 1103 Update #1
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a force majeure on Line 1103 effective July 7, 2026 at 1:07 PM, with restoration expected by July 8, 2026 at 9:00 AM -- approximately 20 hours of impact. This is a first-notice event (Revision 1, not a revision of a prior notice) on an EPNG mainline segment. No specific capacity volume is stated in the notice, but Line 1103 is a Permian Basin outbound segment, meaning gas cannot move westward toward SoCal/Arizona delivery markets.
EPNG force majeure on Line 1103 creates a split-direction signal: expect bearish pressure at Waha/Permian Basin as westbound takeaway is curtailed, and bullish pressure at SoCal Border and Arizona delivery points as downstream supply is reduced -- no capacity volume disclosed.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline serving SoCal Border and Arizona delivery points and may absorb some diverted Permian volumes, but spare capacity on TW during peak summer conditions may be limited.
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Columbia Gulf Transmission (CGT)
Ridgeline Tie-In Maintenance (HartSEG & 4166), July 14-31, 2026
SEV 4/5
Maintenance
0.345 Bcf/d
18 Days
CGT has issued a Critical notice for planned Ridgeline Tie-In maintenance on Mainlines 200 and 300 from July 14-31, 2026. Backhaul capacity through HartSEG will be reduced from design capacity of 2.545 Bcf/d to approximately 2.200-2.400 Bcf/d (a loss of roughly 0.145-0.345 Bcf/d), with the midpoint loss near 0.245 Bcf/d. Additionally, the City of Gallatin (meter 4166) will be taken to zero capacity July 14-23. CGT explicitly warns that Interruptible, Secondary Firm, AND Primary Firm service curtailments are possible, triggering a high-severity assessment despite this being planned maintenance.
CGT planned maintenance removes up to 0.345 Bcf/d of backhaul capacity through HartSEG July 14-31, with explicit primary firm curtailment risk flagged -- expect bullish pressure on Transco Zone 4 Southeast basis and tightening at Henry Hub as Gulf Coast-to-Appalachian backhaul throughput is reduced.
Reroute: Moderate: Texas Eastern (TETCO) and Trunkline (TGC) serve overlapping Gulf Coast northbound corridors and may absorb some displaced volumes, but the explicit primary firm curtailment warning suggests CGT system utilization is high enough that partial reroute on competing pipes may not fully offset the constraint.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Line 1102
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a force majeure on Line 1102 effective 07/07/2026 at 9:59 AM with a stated end date of 07/08/2026 at 9:00 AM. The notice is a first-revision filing with no specific capacity volume disclosed. Line 1102 is an EPNG mainline segment carrying Permian Basin gas westbound toward Southwest and California delivery markets, producing a split directional signal across the constraint.
EPNG force majeure on Line 1102 tightens Permian westbound takeaway; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- no capacity volume disclosed but FM status warrants elevated basis vigilance for the ~24-hour duration.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some diverted volumes; however, if TW is also running near capacity during summer cooling demand, full offset is not guaranteed.
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El Paso Natural Gas (EPNG)
[FORCE MAJEURE] Force Majeure - Line 1103
SEV 4/5
Force Majeure
Until Further Notice
1 Days
EPNG has declared a force majeure on Line 1103, effective 07/07/2026 at 9:55 AM with an end date of 07/08/2026 at 9:00 AM. The event is approximately one day in duration. No specific capacity volume is stated in the notice, but as an EPNG outbound segment, the constraint reduces Permian/Waha takeaway westward toward SoCal and Arizona delivery points.
EPNG Line 1103 force majeure tightens Permian westbound takeaway; expect bearish pressure at Waha as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points -- no volume stated but any EPNG mainline FM carries significant directional signal.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border and Arizona deliveries and may absorb some diverted volumes, though spare capacity availability on TW is uncertain and full offset is unlikely during a force majeure event.
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El Paso Natural Gas (EPNG)
[OPERATIONAL FLOW ORDER] SOC Declaration - System Wide Draft
SEV 4/5
Operational Alert
Until Further Notice
2 Days
EPNG has declared a System-Wide Operational Flow Order (SOC Declaration) effective immediately as of 07/07/2026 at 7:14 AM, running through 07/08/2026 at 9:00 AM. This is a system-wide draft OFO, meaning EPNG is experiencing operational stress across the full pipeline and is requiring shippers to take corrective action to balance the system. No specific capacity volume is cited in the notice.
EPNG system-wide OFO signals immediate operational stress on the primary Permian-to-California corridor; expect bearish pressure at Waha as gas backs up in the basin and bullish pressure at SoCal Border and Arizona delivery points as westbound deliveries are constrained.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border deliveries and may absorb some diverted Permian volumes, but a system-wide EPNG OFO typically reflects broad operational stress that TW alone cannot fully offset.
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