Trunkline Gas Company (U.S.): 8 active notices, 4 rated severity 4–5; 0 posted in the last 7 days. No outages in effect on the Capacity Offline ledger today.
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Trunkline Gas Company
[Trunkline Gas Company] [Maintenance] TGC Longville Station Maintenance
Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Trunkline Gas Company
[Trunkline Gas Company] [Force Majeure] TGC Force Majeure REINSTATED: Kountze Station Additional Power Outages
SEV 4/5
Force MajeureUntil Further Notice
Trunkline Gas Company has reinstated a force majeure at Kountze Compressor Station (MP -73.7) due to continued unexpected power outages caused by the landfall of Tropical Storm Edouard. The prior notification lifting the force majeure was rescinded effective immediately on 2026-09-03. Scheduling reductions are in effect with no end date specified, and updates will be posted as conditions develop.
TGC force majeure reinstatement at Kountze CS eliminates any relief priced into the prior FM lift notice -- expect bullish pressure at Trunkline ELA and tightening Gulf Coast-to-Midwest basis with no restoration timeline disclosed; no specific capacity volume stated but compressor outage on a major Gulf Coast northbound corridor carries meaningful flow reduction risk.
Reroute: Moderate: TETCO, ANR, and Southern Natural serve overlapping Gulf Coast-to-Midwest corridors and can absorb some displaced TGC volumes, though simultaneous storm-related stress on Gulf Coast infrastructure may limit available spare capacity on competing pipes.
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Trunkline Gas Company
[Trunkline Gas Company] [Force Majeure] TGC Force Majeure Lifted: Kountze Station Power Outage
Trunkline Gas Company declared force majeure effective 2026-09-02 due to an unexpected power outage at the Kountze Compressor Station (MP -73.7) caused by Tropical Storm Edouard landfall. Scheduling reductions are being implemented immediately to reduce imbalances and maintain system integrity. No end date has been provided; duration is indeterminate pending power restoration.
TGC force majeure at Kountze CS removes northbound Gulf Coast-to-Midwest capacity with no stated restoration timeline; expect bullish pressure at Trunkline ELA and Henry Hub with possible widening at downstream Midwest delivery points as scheduled volumes are cut, with no concrete capacity figure available to quantify the reduction.
Reroute: Moderate: Texas Eastern (TETCO), Southern Natural (EGT), and ANR serve overlapping Gulf Coast northbound corridors, but tropical storm-related conditions affecting the broader Gulf Coast region may simultaneously limit alternative pipeline headroom.
Trunkline Gas Company has posted a Critical maintenance notice effective 2026-08-24 for a high-pressure outage at the Henry Hub (loc 80721). The notice carries no end date (end date is effectively open-ended at 2200-01-01), meaning the constraint is 'until further notice.' Live capacity data for the prior gas day shows HENRY HUB HIGH PRESSURE - TGC - SA running at only 7% utilization on the delivery side (0.035 Bcf/d scheduled against 0.500 Bcf/d operating capacity), consistent with a facility that is largely offline or severely restricted. Because this is the physical Henry Hub high-pressure header, even a partial outage carries outsized price signal importance beyond the raw volume removed.
TGC high-pressure outage at the physical Henry Hub with no restoration timeline is bullish for Henry Hub and Trunkline ELA spot prices; the prior gas day's delivery scheduling at this location collapsed to 0.035 Bcf/d against 0.500 Bcf/d operating capacity (93% headroom, consistent with near-full curtailment), and with no end date this constraint must be traded as open-ended until a restoration notice is posted.
Reroute: Moderate: TETCO (monitored), CGT (monitored), and Gulf South (monitored) all have interconnects in the Henry Hub area and can absorb some diverted volumes, but the Henry Hub itself is a pooling and pricing node -- physical access constraints at the hub itself affect settlement and basis pricing beyond simple volume rerouting.
Trunkline Gas Company posted a Critical maintenance notice on 2026-08-11 for a high-pressure outage at its Henry Hub interconnect. The notice carries no end date (placeholder end date of 2200-01-01), making duration indeterminate -- effectively 'until further notice.' No specific capacity volume is stated in the notice text.
TGC Henry Hub high-pressure outage with no restoration timeline removes an indeterminate volume of throughput at one of the most liquid Gulf Coast pricing hubs; Trunkline ELA basis was already trading at -0.460 vs Henry Hub as of 2026-08-10 (5-day average -0.371), and a sustained outage at this location risks further basis widening and upward pressure on Henry Hub spot as TGC flow through the hub is impaired.
Reroute: Moderate: Texas Eastern (TETCO), Southern Natural (EGT), and ANR serve overlapping Gulf Coast northbound corridors and provide partial reroute alternatives for volumes not able to move through the TGC Henry Hub interconnect, though TGC is a major artery and full offset is unlikely during a sustained high-pressure outage.
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Trunkline Gas Company
[Trunkline Gas Company] [Maintenance] TGC Transco Ragley Outage
