Enercast — at the moment it matters

Pipeline Notices — Jun 29–30, 2026

63 notices · 5 rated severity 4–5

June 2026, by week · month overview

63 notices
Rockies Express

[OPERATIONAL ALERT] BERTRAND COMPRESSOR STATION OPERATIONAL ISSUE - UPDATE #15

SEV 5/5
Compressor Issue 1.096 Bcf/d Until Further Notice

Rockies Express Pipeline has restricted capacity on Segment 250 (West to East direction) to 1.096 Bcf/d at Bertrand Compressor Station effective Gas Day July 1, 2026, until further notice. This is Update #15, indicating an ongoing unresolved operational issue. Primary firm, secondary firm, and interruptible/AOR service are all at risk of not being scheduled, meaning firm curtailments are actively in play with no restoration timeline.

REX Segment 250 restriction to 1.096 Bcf/d with primary and secondary firm service at risk signals active firm curtailments on a major Rockies-to-Midcontinent corridor with no end date; expect bullish pressure at downstream REX Zone 3 and Midcontinent delivery points and bearish pressure at Rockies basin hubs (CIG/Opal) as eastbound takeaway is constrained.
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. No viable alternative exists for full Rockies-to-Midcontinent eastbound reroute.
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Tallgrass Energy

[Trailblazer Pipeline (TPC)] [OPERATIONAL ALERT] THIRD PARTY OPERATIONAL ISSUE - BERTRAND COMPRESSOR STATION - UPDATE #15

SEV 4/5
Capacity Constraint 0.815 Bcf/d Until Further Notice

Trailblazer Pipeline Segment 20 is restricted to 0.815 Bcf/d effective Gas Day July 1, 2026, until further notice due to a third-party operational issue at Bertrand Compressor Station. This is Update #15, indicating an ongoing multi-week constraint with no restoration timeline. Primary firm, secondary firm, and interruptible service are all at risk of curtailment.

Trailblazer Segment 20 capped at 0.815 Bcf/d with firm service at curtailment risk; because Trailblazer leases capacity at Bertrand CS on REX, this constraint simultaneously limits REX Zone 1 eastbound egress -- expect bearish pressure on Rockies and Midcontinent basis with no independent reroute available.
Reroute: None: Trailblazer leases capacity at Bertrand Compressor Station on REX, meaning REX Zone 1 is simultaneously constrained by the same third-party facility -- these are not independent reroute options. CIG provides limited alternative Rockies egress but cannot fully absorb stranded volumes.
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El Paso Natural Gas (EPNG)

[OPERATIONAL FLOW ORDER] SOC System Wide Pack - Update #1

SEV 4/5
Operational Alert Until Further Notice 2 Days

EPNG has issued a system-wide Operational Flow Order (OFO) for line pack management, effective 06/30/2026 at 7:19 AM through 07/01/2026 at 9:00 AM. This is a system-wide pack OFO, meaning EPNG is requiring shippers to help maintain adequate line pressure across the entire system. No specific capacity volume restriction is stated in the notice.

EPNG system-wide pack OFO signals operational stress across the full Permian-to-California corridor; expect bearish pressure at Waha as gas cannot freely flow west, with offsetting bullish pressure at SoCal Border and Arizona delivery points where westbound supply is tightened.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border deliveries and may absorb some diverted volumes, though a system-wide EPNG OFO typically reflects broad operational stress that TW alone cannot fully offset.
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El Paso Natural Gas (EPNG)

[FORCE MAJEURE] Initial Force Majeure-Florida C Station

SEV 4/5
Force Majeure Until Further Notice 1 Days

EPNG has declared force majeure at Florida C Station effective 06/29/2026 at 11:21 AM, with an expected restoration by 06/30/2026 at 9:00 AM. Florida C is an internal EPNG tariff segment/compressor station designation in the Southwest/Texas-New Mexico corridor serving Permian outbound flows westward toward SoCal and Arizona -- not the state of Florida. No specific capacity volume was stated in the notice. Duration is approximately 22 hours.

EPNG force majeure at Florida C Station restricts Permian/Waha westbound takeaway; expect bearish pressure at Waha basis as gas backs up in the basin and bullish pressure at SoCal Border and Arizona delivery points as downstream supply tightens -- watch for basis widening on both ends through June 30 morning restoration.
Reroute: Moderate: Transwestern Pipeline (TW) serves the same SoCal border and Arizona delivery markets and may absorb displaced volumes, but TW spare capacity is variable and may not fully offset EPNG Florida C throughput loss. Simultaneous TW constraint would eliminate California reroute entirely.
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El Paso Natural Gas (EPNG)

[OPERATIONAL FLOW ORDER] SOC Declaration - System Wide Pack

SEV 4/5
Operational Alert Until Further Notice 2 Days

EPNG has declared an Operational Flow Order (OFO) for a System-Wide Pack condition, effective immediately as of 06/29/2026 07:33 AM and running through 06/30/2026 09:00 AM. This is a fresh, first-revision notice indicating EPNG is requiring shippers to pack the system -- injecting more gas than is being withdrawn -- to restore system line pack across the entire pipeline. No specific capacity volume is stated, but a system-wide OFO on EPNG indicates significant operational stress across the full Permian-to-California corridor.

EPNG system-wide pack OFO signals immediate operational tightness on the full mainline corridor; expect bearish pressure at Waha as shippers are required to over-deliver into the system, with bullish pressure at SoCal Border and Arizona delivery points where supply availability is constrained.
Reroute: Moderate: Transwestern Pipeline (TW) is the primary competing pipeline for SoCal border deliveries and may absorb some volumes, but a system-wide EPNG OFO suggests broad infrastructure stress that TW alone is unlikely to fully offset.
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Gulf South Pipeline

Unplanned Longview #2 Compressor Station Maintenance

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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Tennessee Gas Pipeline (TGP)

OFO CD1 EXPANDED EFFECTIVE 7-1-2026

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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Texas Eastern Transmission (TETCO)

06/30/2026- TE Pipeline Conditions for 7/1/2026

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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NEXUS Gas Transmission (U.S.)

06/30/2026- NEXUS Pipeline Conditions for 07/01/2026

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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East Tennessee Natural Gas

06/30/2026- ETNG Pipeline Conditions for 07/01/2026

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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Gulf Run Transmission

[Gulf Run Transmission] [Maint] Veron FMJ

SEV 3/5
Force Majeure 1.000 Bcf/d Until Further Notice 1 Days

Gulf Run Transmission has declared Force Majeure for unplanned maintenance at its Vernon Compressor Station in Jackson Parish, Louisiana (Zone 1), effective July 7, 2026 at 09:00 through July 8, 2026 at 09:00. During this 24-hour window, throughput at Vernon will be limited to 1.000 Bcf/d. Gulf Run states that primary firm service is not anticipated to be impacted based on current nominations, but interruptible and secondary service shippers face scheduling risk.

Gulf Run FM caps Vernon CS throughput at 1.000 Bcf/d for one day; while primary firm is not expected to be curtailed, Haynesville takeaway toward Gulf Coast LNG terminals is at risk, applying mild bearish pressure at Henry Hub if LNG feed gas nominations are reduced and gas stays in the domestic supply pool.
Reroute: Moderate: Gulf South and Kinder Morgan assets serve the Haynesville corridor and provide partial alternative routing for Haynesville production, but Gulf Run is a dedicated Haynesville-to-Gulf-Coast pipe and reroute capacity may be limited during peak nomination periods.
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Algonquin Gas Transmission

06/29/2026- AGT Operational Flow Order -- EFF 6/30

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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Tallgrass Energy

[Trailblazer Pipeline (TPC)] [MAINTENANCE] TRAILBLAZER MAINTENANCE SCHEDULE FOR JULY 2026 - UPDATE #1

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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Rockies Express

[MAINTENANCE] REX MAINTENANCE SCHEDULE FOR JULY 2026- UPDATE #1

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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Texas Eastern Transmission (TETCO)

06/28/2026- TE Pipeline Conditions for 6/29/2026

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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Cameron LNG Feed

[OPERATIONAL FLOW ORDER] OFO CD1 EXPANDED EFFECTIVE 7-1-2026

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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Freeport LNG Feed

[OPERATIONAL FLOW ORDER] OFO CD1 EXPANDED EFFECTIVE 7-1-2026

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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Tennessee Gas Pipeline (TGP)

OFO CD1 FOR 500 LINE EFFECTIVE 6-30-26

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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Texas Eastern Transmission (TETCO)

06/29/2026- TE Pipeline Conditions for 6/30/2026

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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NEXUS Gas Transmission (U.S.)

06/29/2026- NEXUS Pipeline Conditions for 06/30/2026

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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East Tennessee Natural Gas

06/29/2026- ETNG Pipeline Conditions for 06/30/2026

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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East Tennessee Natural Gas

06/29/2026- ETNG Operational Flow Order -- EFF 7/1

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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Sabal Trail Transmission

06/29/2026- STT Imbalance Notice -- 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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Maritimes & Northeast U.S.

06/29/2026- MNUS Imbalance Notice -- 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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Texas Eastern Transmission (TETCO)

06/29/2026- TE Operational Flow Order -- 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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Cameron LNG Feed

[OPERATIONAL FLOW ORDER] OFO CD1 FOR 500 LINE EFFECTIVE 6-30-26

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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Freeport LNG Feed

[OPERATIONAL FLOW ORDER] OFO CD1 FOR 500 LINE EFFECTIVE 6-30-26

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] NORTHERN BORDER HARPER-PRIM ONLY LIFT

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] ALLIANCE(LOC 37207) - PRIM ONLY LIFT

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] CIG FORGAN(LOC 905207) - PRIM ONLY LIFT

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] EPNG MOORE (LOC 3251) - PRIM ONLY LIFT

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] CHEYENNE PLAINS FORD-PRIM ONLY LIFT

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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Natural Gas Pipeline (NGPL)

[CAPACITY CONSTRAINT] TRAILBLAZER GAGE - PRIM ONLY LIFT

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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East Tennessee Natural Gas

06/28/2026- ETNG Pipeline Conditions for 6/29/2026

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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Gulf South Pipeline

Update: Index 1-2 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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Gulf South Pipeline

Update: Index 198 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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Gulf South Pipeline

Carthage 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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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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Gulf South Pipeline

Update: Index 300 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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Gulf South Pipeline

Paris 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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Texas Gas Transmission

Maintenance- Eunice Compressor Station

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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Tennessee Gas Pipeline (TGP)

EMERGENT REPAIR AT STA 32 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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Cameron LNG Feed

[MAINTENANCE] EMERGENT REPAIR AT STA 32 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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Freeport LNG Feed

[MAINTENANCE] EMERGENT REPAIR AT STA 32 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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El Paso Natural Gas (EPNG)

[MAINTENANCE] Updated July 2026 Prelim 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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El Paso Natural Gas (EPNG)

[MAINTENANCE] Updated June 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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Maritimes & Northeast Canada

06/29/2026- MNCA Imbalance Notice -- 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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Algonquin Gas Transmission

06/30/2026- AGT Pipeline Conditions for 7/1/2026

UNSCORED
Informational
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Algonquin Gas Transmission

06/29/2026- AGT Pipeline Conditions for 6/30/2026

UNSCORED
Informational
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Algonquin Gas Transmission

06/29/2026- AGT Operational Advisory

UNSCORED
Informational
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Tallgrass Energy

[Trailblazer Pipeline (TPC)] [MAINTENANCE] TRAILBLAZER MAINTENANCE SCHEDULE FOR JULY 2026 - UPDATE #2

UNSCORED
Informational
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Tennessee Gas Pipeline (TGP)

MONTHLY STORAGE TRANSFER REMINDER

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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Trunkline Gas Company

[Trunkline Gas Company] [Maint] Trunkline South Texas Maintenance Update #6 - Completed

UNSCORED
Informational
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Rockies Express

[MAINTENANCE] REX MAINTENANCE SCHEDULE FOR JULY 2026- UPDATE #2

UNSCORED
Informational
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Sea Robin Pipeline

[Sea Robin Pipeline] [Maint] Sea Robin East – Liquids Handling Constraints Update

UNSCORED
Informational
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Cameron LNG Feed

[STORAGE] MONTHLY STORAGE TRANSFER REMINDER

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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Freeport LNG Feed

[STORAGE] MONTHLY STORAGE TRANSFER REMINDER

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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Transwestern Pipeline

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

UNSCORED
Informational
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Florida Gas Transmission

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

UNSCORED
Informational
View original notice text
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Algonquin Gas Transmission

06/28/2026- AGT Pipeline Conditions for 6/29/2026

UNSCORED
Informational
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Transwestern Pipeline

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

UNSCORED
Informational
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Florida Gas Transmission

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

UNSCORED
Informational
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NEXUS Gas Transmission (U.S.)

06/28/2026- NEXUS Pipeline Conditions for 6/29/2026

UNSCORED
Informational
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October 2026
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