Transwestern Pipeline has declared a force majeure on the East Mainline effective Gas Day Oct 27 2026 at 9:00 AM, expiring Oct 28 2026 at 8:59 AM -- a single-day event. No specific capacity reduction figure is stated in the notice. The East Mainline carries Permian and San Juan Basin gas westbound toward SoCal and Arizona delivery points.
TW East Mainline force majeure on Oct 27 produces split-direction signal: bearish Waha/Permian as westbound takeaway is cut, bullish SoCal Border and Arizona delivery points as westbound supply is reduced; no capacity volume stated so exact cut is unquantified but duration is short at one gas day.
Reroute: Moderate: EPNG is the primary competing pipeline serving SoCal border and Arizona from the Permian Basin; if EPNG has available capacity, partial reroute is possible, but any simultaneous EPNG constraint would eliminate California reroute entirely.
Force Majeure≈0.890 Bcf/d est. cut vs recent flow (capped at 0.220 Bcf/d)Until Further Notice36 Days
ANR Pipeline has declared a force majeure at Greenville Compressor Station Unit #7 in Washington County, Mississippi, due to unexpected equipment failure, curtailing capacity on the Southeast Mainline at Delhi Southbound (LOC FPDELHSB). On 10/26, no incremental volumes will be scheduled; from 10/27-10/31 and 11/1-11/30, capacity is reduced by 220 MMcf/d leaving 994 MMcf/d and 1,027 MMcf/d respectively. Pre-event flow at DELHI SOUTHBOUND TD2 was running at a median of 1.11 Bcf/d, implying a net cut of approximately 0.89 Bcf/d against the 0.220 Bcf/d cap, with firm primary service estimated at 16% impact through October and 13% in November.
ANR force majeure at Greenville CS Unit 7 cuts Delhi Southbound from a pre-event median of ~1.11 Bcf/d to a 0.220 Bcf/d cap, a net reduction of ~0.89 Bcf/d, with primary firm curtailments of 13-16% -- expect bullish pressure on ANR ML 7 and Midwest/Michigan basis as southbound Gulf Coast throughput is materially reduced through November 30.
Reroute: Moderate: Texas Eastern (TETCO), Trunkline (TGC), and Columbia Gulf Transmission (CGT) serve overlapping Gulf Coast northbound corridors, but with ANR running tight systemwide (multiple OVER and zero-headroom points visible in live data), full reroute of 0.89 Bcf/d displaced volume is unlikely without basis widening.
Operational Alert≈1.430 Bcf/d est.Until Further Notice1 Days
Gulf South Pipeline has implemented a System Management Plan at Location SLN 024329 Stratton Ridge (to Freeport LNG) effective 08:30 AM on October 26, 2026, reducing scheduled quantities to 0 Dth/d until further notice through at least October 27 at 09:00 AM. The curtailment was triggered by the customer's (Freeport LNG's) failure to take confirmed quantities, forcing Gulf South to balance nominations to zero. Pre-event flow at this location had been running at a median of 1.43 Bcf/d (range 1.02-1.46 Bcf/d over the prior 7 days), meaning approximately 1.43 Bcf/d of LNG feed gas has been zeroed out.
Gulf South SMP cuts Freeport LNG feed gas at Stratton Ridge (loc 24329) to 0 Dth/d from a pre-event median of 1.43 Bcf/d (range 1.02-1.46), stranding ~1.43 Bcf/d onshore and applying bearish pressure on Henry Hub and Gulf Coast basis until Freeport resumes taking nominations.
Reroute: None: this is a demand-side curtailment -- Freeport LNG is not taking gas, so the volume backs up onshore regardless of pipeline alternatives; no reroute to another LNG terminal is implied by this notice.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 4/5
Force Majeure1 Days
Transwestern Pipeline declared a force majeure on the M/L Thoreau West System effective October 25, 2026 at 9:00 AM, with a stated end of October 26 at 8:59 AM -- a single gas day. No specific capacity volume is stated in the notice, but pre-event flow context shows the Thoreau West mainline (measured past Station 3 at Leupp, AZ) was moving a median of 1.11 Bcf/d westbound (range 1.04-1.26 Bcf/d) in the seven days prior. The prior posting TW-121544 was scored below threshold as informational; this notice explicitly designates Reason: Force Majeure and is treated as the first actionable event.
TW force majeure on the Thoreau West mainline removes an unquantified portion of ~1.11 Bcf/d of pre-event westbound flow; expect bullish pressure at SoCal Border and Arizona delivery points and bearish pressure at San Juan and Waha basis as westbound takeaway is disrupted, with limited reroute relief given current EPNG loading.
Reroute: Moderate but constrained: EPNG is the primary competing pipeline for SoCal border deliveries, but PHP TW Waha is already running at 100% utilization (0.025 Bcf/d scheduled against 0.025 Bcf/d operating capacity as of Oct 25 id2 cycle), indicating tight conditions at Permian interconnects; SOCAL NEEDLES on TW itself shows 36.6% headroom, suggesting some throughput remains on the western delivery end.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 4/5
Force Majeure1 Days
Transwestern Pipeline has extended a force majeure on the Thoreau West mainline by one gas day, now covering Oct 26 9:00 AM through Oct 27 8:59 AM (previously Oct 25-26). The notice states no specific capacity volume, but pre-event flow data shows the Thoreau West mainline was moving a median of approximately 1.11 Bcf/d westbound (range 1.04-1.26 Bcf/d over the prior week). No new cap is stated, so the net reduction remains unquantified but reflects a full or substantial interruption of that flow.
TW force majeure on Thoreau West mainline extended to gas day Oct 26-27, tightening westbound San Juan/Permian-to-California capacity for a second consecutive day; pre-event throughput past Station 3 (Leupp, AZ) was approximately 1.11 Bcf/d westbound -- expect continued bullish pressure at SoCal Border and Arizona delivery points, with bearish pressure at Transwestern Permian and San Juan basis, and note EPNG is the only reroute alternative for California-bound volumes.
Reroute: Moderate: El Paso Natural Gas (EPNG) is the primary competing pipeline for SoCal border deliveries; however, EPNG is the sole realistic alternative and may lack sufficient spare capacity to fully absorb a mainline Thoreau West constraint. A simultaneous EPNG constraint would leave California with no reroute.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 4/5
Force Majeure1 Days
Transwestern Pipeline has declared a force majeure on the M/L Thoreau West System, effective Oct 25 at 9:00 AM through Oct 26 at 8:59 AM (one gas day). This is a repost of the same event originally filed as TW-121527 on Oct 24; no operational changes are evident. Pre-event throughput past Station 3 (Leupp, AZ) was running at a median of approximately 1.11 Bcf/d westbound (range 1.04-1.26 Bcf/d), but no specific capacity cap is stated in this notice.
TW force majeure on the Thoreau West mainline cuts unquantified westbound capacity on the San Juan/Permian-to-California corridor for one gas day (Oct 25-26); expect bullish pressure at SoCal Border and Arizona delivery points, with offsetting bearish pressure at Waha/San Juan basis -- pre-event throughput was ~1.11 Bcf/d westbound, actual cut unquantified.
Reroute: Moderate: EPNG serves overlapping SoCal border and Arizona markets and is the primary alternative, but any simultaneous EPNG constraint would eliminate California reroute entirely.
Transwestern Pipeline has declared a force majeure on the M/L Thoreau West System effective Oct 25 9:00 AM through Oct 26 8:59 AM (one gas day). This is a revision of prior notice TW-121532 (same event, same location), sliding the effective window forward by one day; no capacity figures are stated in either notice. Pre-event flow past Station 3 (Leupp, AZ) had been running at a median of approximately 1.11 Bcf/d westbound (range 1.02-1.26 Bcf/d over Oct 18-24), but the notice provides no cap or stated reduction, so net cut is unquantified.
TW force majeure on the Thoreau West mainline (pre-event ~1.11 Bcf/d westbound) cuts unquantified capacity on the San Juan/Permian-to-California corridor for one gas day (Oct 25-26); expect bullish pressure at SoCal Border and Arizona delivery points, with offsetting bearish pressure at Waha/San Juan as westbound takeaway is impaired -- update_direction is bearish because the prior notice (TW-121532) already covered Oct 24-25 and this posting simply shifts the FM window one day forward with no new operational escalation.
Reroute: Moderate: EPNG serves the same SoCal border market and provides a partial alternative, but if EPNG is simultaneously constrained no California reroute exists; check EPNG conditions before assuming full offset.
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Transwestern Pipeline
[Transwestern Pipeline] [Force Majeure] Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure - Gas Day 10/24/26 (Until Further Notice)
SEV 4/5
Force Majeurecapped at 1.100 Bcf/d, cut unknown
Transwestern Pipeline declared force majeure at Station 3 (Leupp, AZ) due to a compressor station mechanical failure, effective Gas Day October 24, 2026 until further notice. The Mainline Thoreau West System capacity is restricted to approximately 1.1 Bcf/d with no stated restoration timeline. No pre-event baseline is available in the notice itself to quantify the net reduction, but the 1.1 Bcf/d ceiling on a major westbound segment represents a material capacity constraint on Permian/San Juan outbound flows toward SoCal and Arizona.
TW force majeure at Station 3 caps Mainline Thoreau West at 1.1 Bcf/d UFN; expect bearish pressure at Waha/Permian as westbound takeaway tightens, with bullish pressure at SoCal Border and Arizona delivery points -- EPNG is the only remaining major California-bound alternative.
Reroute: Moderate: EPNG serves the same SoCal border and Arizona markets and is the primary competing pipeline, but a simultaneous EPNG constraint would leave California with no reroute option. At current TW capacity restriction levels, some westbound reroute via EPNG is possible but may not fully offset the constrained volumes.
Force Majeurecapped at 1.100 Bcf/d, cut unknown9 Days
Transwestern Pipeline has declared a Force Majeure effective Gas Day October 24, 2026 due to a compressor station mechanical failure at Station 3 in Leupp, AZ. The Mainline Thoreau West System capacity is reduced to approximately 1.1 Bcf/d until further notice, with a currently stated end date of November 2, 2026. This is an unplanned event on a major westbound supply artery serving Arizona and California SoCal border markets.
Transwestern FM at Station 3 (Leupp, AZ) caps Thoreau West System at 1.1 Bcf/d; expect bullish pressure at SoCal Border and Arizona delivery points as westbound capacity is constrained, while Permian/Waha and San Juan basin points face bearish pressure from backed-up supply -- no pre-event baseline available to quantify the net reduction from the stated 1.1 Bcf/d ceiling, and EPNG is the only partial reroute for California markets.
Reroute: Moderate: EPNG serves overlapping SoCal border and Arizona markets and is the primary competing pipeline; however, if EPNG is simultaneously constrained, California supply reroute drops to none. TW and EPNG together represent the two dominant westbound arteries from the Permian and San Juan basins.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a new force majeure notice (TW-121578) for the M/L Thoreau West System covering gas day Oct 26-27 (effective 9:00AM Oct 26 through 8:59AM Oct 27). This posting replaces TW-121571, which had covered Oct 27-28, shifting the window one day earlier rather than extending it; no new volume cap is stated. Pre-event westbound flow past the Thoreau West mainline was approximately 1.10 Bcf/d (range 1.04-1.26 Bcf/d over Oct 19-25), and no capacity ceiling has been posted in this notice so the net reduction remains unquantified.
TW Thoreau West FM window has shifted to Oct 26-27 (one day earlier than TW-121571's Oct 27-28 window), a modest easing signal for the Oct 27-28 period; pre-event westbound flow was ~1.10 Bcf/d and no cap is stated, so bearish pressure continues at Waha/Permian basis with bullish pressure at SoCal Border and Arizona delivery points through the end of this gas day.
Reroute: Moderate: EPNG serves the SoCal border and Arizona delivery points alongside Transwestern, providing partial alternative capacity; however, a simultaneous EPNG constraint would eliminate California reroute options entirely.
Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a new force majeure notice (TW-121571) extending the M/L Thoreau West System constraint by one gas day, now effective Oct 27 9:00 AM through Oct 28 8:59 AM. This is a continuation of the FM originally posted under TW-121566 (Oct 26-27), with the window rolling forward one day. No capacity volume is stated in the notice; pre-event flow past this segment was approximately 1.10 Bcf/d (range 1.04-1.26 Bcf/d) based on the seven days prior to the event.
TW Thoreau West FM extends one more gas day (Oct 27-28) with no stated volume cap -- pre-event westbound flow was ~1.10 Bcf/d (range 1.04-1.26); expect continued bearish pressure at Waha and Transwestern Permian basis as basin gas remains backed up, with sustained bullish pressure at SoCal Border and Arizona delivery points.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border deliveries from the Permian Basin, and may absorb some diverted volumes; however, if EPNG is simultaneously constrained, no California reroute exists.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a new notice ID (TW-121566) for the same Thoreau West System force majeure event previously posted as TW-121550, covering Oct 26 9:00 AM through Oct 27 8:59 AM. No new operational information is introduced -- the effective window, location, and reason are identical to the prior posting. Pre-event flow past the Thoreau West mainline (Station 3, Leupp AZ) averaged approximately 1.10 Bcf/d over the prior week (range 1.04-1.26 Bcf/d), but no capacity cap or volume figure is stated in this notice.
TW Thoreau West force majeure (Oct 26-27) cuts westbound Permian/San Juan takeaway with no stated volume -- pre-event flow was ~1.10 Bcf/d (range 1.04-1.26); expect bearish pressure at Waha and Transwestern Permian basis as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points; no new information vs TW-121550.
Reroute: Moderate: EPNG serves the same SoCal border and Arizona markets as a competing westbound pipeline, though simultaneous EPNG constraints would eliminate California reroute options entirely.
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Transwestern Pipeline
[Transwestern Pipeline] [Force Majeure] Force Majeure Event - Bloomfield Compressor Station (Valverde Service). 10/28/26.
SEV 3/5
Force Majeure≈0.120 Bcf/d est.1 Days
Transwestern Pipeline has declared a force majeure at the Bloomfield Compressor Station (San Juan Lateral) due to mechanical failure, eliminating all 230,000 MMBtu/d (0.230 Bcf/d stated design capacity) of Harvest Valverde service for Gas Day October 28, 2026 only. The RECENT FLOW CONTEXT shows VALVERDE PLANT (loc_id 56423) had a pre-event median scheduled quantity of 0.12 Bcf/d, and the live capacity table for 10/26 shows 0.120 Bcf/d scheduled against zero operating capacity (vs-design flag), confirming the effective cut is approximately 0.12 Bcf/d. Service is expected to restore on Gas Day October 29, 2026. Only the Harvest Valverde interconnect is affected.
Single-day TW force majeure at Bloomfield CS removes approximately 0.12 Bcf/d of San Juan Basin receipt capacity on Gas Day 10/28 only; expect minor bearish pressure at San Juan basis and a negligible bullish signal at SoCal Border and Arizona delivery points given the limited scale and one-day duration.
Reroute: Moderate: EPNG serves overlapping SoCal border and Arizona markets and likely has sufficient spare capacity to absorb the modest 0.12 Bcf/d loss from this single interconnect; however, San Juan production tied specifically to Harvest Valverde has no direct bypass.
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Transwestern Pipeline
[Transwestern Pipeline] [Force Majeure] Force Majeure - East Mainline- Compressor Station mechanical Failure 10/27/26
SEV 3/5
Force Majeure0.120 Bcf/d cut (capped at 0.630 Bcf/d)7 Days
Transwestern Pipeline has declared a force majeure due to a compressor station mechanical failure on the East Mainline, effective Gas Day October 27, 2026 through Gas Day November 3, 2026. East Mainline capacity is reduced from 750,000 MMBtu/d (0.750 Bcf/d) to 630,000 MMBtu/d (0.630 Bcf/d), a net reduction of 120,000 MMBtu/d (0.120 Bcf/d). Transwestern reserves the right to revise the schedule; restoration to full capacity is scheduled for November 3.
TW East Mainline FM removes 0.120 Bcf/d of westbound capacity through Nov 3; bearish Permian/San Juan basis as basin gas backs up, bullish SoCal Border and Arizona delivery points -- net cut is below 0.15 Bcf/d so physical impact is modest but the FM is binding with a known end date.
Reroute: Moderate: EPNG serves overlapping SoCal Border and Arizona markets and is the primary alternative for affected westbound volumes; however, if EPNG is simultaneously constrained, no California reroute exists.
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Transwestern Pipeline
[Transwestern Pipeline] [Force Majeure] Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure. 10/24/26 Revision 1
SEV 3/5
Force Majeure≈0.110 Bcf/d est. cut vs recent flow (capped at 1.000 Bcf/d)10 Days
Transwestern Pipeline declared a force majeure at Station 3 (Leupp, AZ) due to a compressor station mechanical failure effective Gas Day October 24, 2026. This Revision 1 provides a stepped capacity reduction schedule: Thoreau West System capacity is reduced from 1.240 Bcf/d to ~1.100 Bcf/d through October 26, then further to ~1.000 Bcf/d from October 27 through November 2, before restoring to 1.240 Bcf/d on November 3. Pre-event flow on the Thoreau West mainline past Station 3 was approximately 1.11 Bcf/d (median, range 1.04-1.26 Bcf/d), meaning the deeper Oct 27 cap of 1.000 Bcf/d implies a net reduction of roughly 0.11 Bcf/d against recent flow.
TW Station 3 FM steps Thoreau West capacity down to 1.000 Bcf/d by Oct 27 (vs ~1.11 Bcf/d pre-event median, net cut ~0.11 Bcf/d); expect modest bullish pressure at SoCal Border and Arizona delivery points, bearish Permian/Waha as westbound takeaway tightens, with EPNG as the primary reroute alternative through November 3.
Reroute: Moderate: El Paso Natural Gas (EPNG) is the primary competing pipeline serving SoCal Border and Arizona from the Permian/San Juan basin corridor; however, a simultaneous EPNG constraint would leave California with no reroute options.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has declared a force majeure on the M/L Thoreau West System effective Oct 26 9:00AM through Oct 27 8:59AM -- a one-day constraint window. This posting (TW-121550) shifts the effective window one day later relative to the prior notice TW-121552, which covered Oct 25-26; no capacity volume is stated. Pre-event flow past the Thoreau West mainline (Station 3/Leupp, AZ) was running at a median of approximately 1.10 Bcf/d (range 1.04-1.26 Bcf/d over Oct 19-25), but no cap or reduction figure is provided in the notice.
TW Thoreau West force majeure (Oct 26-27) cuts westbound Permian/San Juan takeaway with no stated volume -- pre-event flow was ~1.10 Bcf/d; expect bearish pressure at Waha and bullish pressure at SoCal Border and Arizona delivery points, with the window now shifted one day later than the prior notice indicated.
Reroute: Moderate: EPNG serves the same SoCal border and Arizona delivery markets and is the primary competing pipeline for Transwestern; however, EPNG spare capacity on this date is unknown, and simultaneous EPNG + TW constraints would eliminate California reroute entirely.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a force majeure on the M/L Thoreau West System effective Oct 24 through Oct 25, 2026 (Gas Day 9:00 AM boundary). This is an administrative repost under new notice ID TW-121532 with no operational changes versus TW-121517; the FM window and location are identical. Pre-event westbound flow through Thoreau West was approximately 1.11 Bcf/d (median, range 1.04-1.26 Bcf/d over Oct 17-23), but no capacity ceiling is stated so the net cut remains unquantified.
TW Thoreau West FM repost under new notice ID adds no new market information -- same Oct 24-25 window as TW-121517; pre-event westbound flow ~1.11 Bcf/d but net cut unquantified; expect bearish pressure at Transwestern Permian/San Juan basis as basin gas backs up, with bullish pressure at SoCal Border and Arizona delivery points.
Reroute: Moderate: EPNG serves the same SoCal border and Arizona markets and is the primary reroute alternative for TW Thoreau West constraints; however, if EPNG is simultaneously constrained, California reroute falls to none.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has re-posted its Thoreau West System force majeure under a new notice ID (TW-121517), shifting the constraint window one day earlier to Oct 24-25 gas days (was Oct 25-26 per TW-121513). The duration remains one gas day. No new capacity figures are provided; pre-event westbound flow past Station 3 (Leupp, AZ) was a median of ~1.11 Bcf/d (range 1.04-1.26 Bcf/d), but no cap is stated so the net cut remains unquantified.
TW Thoreau West FM window has shifted to Oct 24-25 (ending one day earlier than TW-121513 indicated), a modest easing signal; pre-event westbound flow ~1.11 Bcf/d but net cut unquantified -- expect continued bearish Transwestern Permian/San Juan basis as stranded basin gas backs up, with offsetting bullish pressure at SoCal Border and Arizona delivery points for the Oct 24 gas day.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border deliveries from the Permian/San Juan Basin; however, if EPNG is simultaneously constrained there is no California reroute.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a new force majeure notice (TW-121513) for the M/L Thoreau West System, extending the westbound constraint window by one day relative to the prior posting TW-121508 -- now effective Oct 25 9:00AM through Oct 26 8:59AM (one gas day). No capacity cap is stated in either notice; the pre-event baseline past Station 3 (Leupp, AZ) was ~1.11 Bcf/d (range 1.04-1.26 over Oct 17-23), so the net cut remains unquantified but could approach that level depending on severity. The force majeure notice scores a minimum 3 despite no stated cap because no grounded net cut can be calculated.
TW force majeure on Thoreau West shifts the constraint window to Oct 25-26 gas days (extended by one day vs TW-121508); pre-event westbound flow past Station 3 was ~1.11 Bcf/d -- net cut unquantified but expect bearish pressure at Transwestern Permian/San Juan basis as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border and Arizona deliveries from the Permian/San Juan Basin; however, if EPNG is simultaneously constrained, no California reroute exists.
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Transco
Location Confirmations Being Reduced for 10/24/2026
Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has posted a force majeure on the Thoreau West mainline system effective Oct 24 through Oct 25 (approximately one gas day). This notice is an administrative re-post of TW-121499 under a new notice ID with no change in operational content, window, or stated capacity impact. Pre-event flow past Station 3 (Leupp, AZ) was approximately 1.11 Bcf/d (range 1.04-1.26 Bcf/d over Oct 17-23); no new ceiling is stated, so the net reduction remains unquantified.
TW force majeure on Thoreau West restricts westbound flow for ~1 day with pre-event throughput ~1.11 Bcf/d past Station 3; no stated cap means net cut is unquantified -- expect bearish pressure at Transwestern Permian/San Juan basis as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points; no new market signal vs TW-121499.
Reroute: Moderate: EPNG is the primary competing pipeline for SoCal border deliveries; however, if EPNG is simultaneously constrained, California reroute would be eliminated. No live EPNG constraint is noted in this posting.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline has declared force majeure on the Mainline Thoreau West System effective Oct 24 2026 9:00AM through Oct 25 2026 8:59AM -- a ~1 gas day window. This notice (TW-121499) is a re-posting of TW-121486 filed the same day with no change in operational content, location, or duration. Pre-event throughput past Station 3 (Leupp, AZ) was approximately 1.11 Bcf/d (range 1.04-1.26 over the prior week), but no capacity cap is stated so the net cut remains unquantified.
TW force majeure on Thoreau West restricts westbound flow for ~1 day with pre-event throughput ~1.11 Bcf/d past Station 3; no stated cap means net cut is unquantified -- expect bearish pressure at Transwestern Permian/San Juan basis as basin gas backs up and bullish pressure at SoCal Border and Arizona delivery points; this posting adds no new operational information vs TW-121486.
Reroute: Moderate: EPNG serves overlapping SoCal border and Arizona markets and is the primary alternative; however, if EPNG is simultaneously constrained, no California reroute exists.
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Transwestern Pipeline
[Transwestern Pipeline] [Capacity Constraint] M/L THOREAU WEST SYSTEM
SEV 3/5
Force Majeure1 Days
Transwestern Pipeline declared a force majeure on the M/L Thoreau West System effective Oct 24, 2026 at 9:00 AM through Oct 25, 2026 at 8:59 AM -- a roughly 24-hour window. No specific capacity restriction volume is stated in the notice. Pre-event flow past Station 3 (Leupp, AZ) on the Thoreau West mainline averaged ~1.22 Bcf/d (range 1.10-1.26 Bcf/d) over the prior week; the actual cut is unknown without a stated cap.
TW force majeure on Thoreau West system restricts westbound flow for ~1 day; pre-event throughput was ~1.22 Bcf/d past Station 3, but no capacity cap is stated so the net cut is unquantified -- expect bearish pressure at Transwestern Permian/San Juan basis and bullish pressure at SoCal Border and Arizona delivery points for Oct 24 gas day.
Reroute: Moderate: EPNG serves overlapping SoCal border and Arizona markets and may absorb some displaced volume, but no stated capacity figure limits the assessment of EPNG's available headroom.
Below alert threshold -- no detailed analysis performed.
Reroute: Not assessed.
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Columbia Gulf Transmission (CGT)
CAPACITY POSTING - TIM for October 27, 2026
UNSCORED
Informational
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] SEG 17 WESTBOUND-PRIM ONLY
UNSCORED
Informational
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TransColorado Gas Transmission
[MAINTENANCE] SEG 5 - ELK CITY LATERAL INACTIVATION
UNSCORED
Informational
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TransColorado Gas Transmission
[FORCE MAJEURE] FORCE MAJEURE - MORAINE LATERL - REMED
SEV 1/5
Informational
Not scored -- external_id 'TCP-47275' shares its numeric ID and exact title with 'NGPL-47275' under a different pipeline code. Very likely the same underlying notice scraped twice under two different labels (see kindermorgan.py v19 changelog / audit_km_contamination.py) rather than two independent events. No Claude API call was made for this notice. Needs manual review to confirm which pipeline (if either) is correct before it's trusted.
Not scored -- suspected cross-pipeline duplicate, needs manual review.
Reroute: Not assessed.
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TransColorado Gas Transmission
[MAINTENANCE] SEGMENT 8 (CS 139) HOT TAP INSTALLATION
UNSCORED
Informational
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TransColorado Gas Transmission
[MAINTENANCE] SEGMENT 8 (CS 167) HOT TAP INSTALLATION
UNSCORED
Informational
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] EPNG MOORE (LOC 3251)-PRIM ONLY
UNSCORED
Informational
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] CIG FORGAN (LOC 905207)-PRIM ONLY
UNSCORED
Informational
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] CHEYENNE PLAINS FORD-PRIM ONLY
SEV 1/5
Informational
Not scored -- external_id 'TCP-47292' shares its numeric ID and exact title with 'NGPL-47292' under a different pipeline code. Very likely the same underlying notice scraped twice under two different labels (see kindermorgan.py v19 changelog / audit_km_contamination.py) rather than two independent events. No Claude API call was made for this notice. Needs manual review to confirm which pipeline (if either) is correct before it's trusted.
Not scored -- suspected cross-pipeline duplicate, needs manual review.
Reroute: Not assessed.
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] TRAILBLAZER GAGE - PRIMARY ONLY
SEV 1/5
Informational
Not scored -- external_id 'TCP-47293' shares its numeric ID and exact title with 'NGPL-47293' under a different pipeline code. Very likely the same underlying notice scraped twice under two different labels (see kindermorgan.py v19 changelog / audit_km_contamination.py) rather than two independent events. No Claude API call was made for this notice. Needs manual review to confirm which pipeline (if either) is correct before it's trusted.
Not scored -- suspected cross-pipeline duplicate, needs manual review.
Reroute: Not assessed.
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] ALLIANCE JOLIET (LOC 37207)-PRIM ONLY
UNSCORED
Informational
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TransColorado Gas Transmission
[CAPACITY CONSTRAINT] NORTHERN BORDER HARPER - PRIM ONLY
SEV 1/5
Informational
Not scored -- external_id 'TCP-47295' shares its numeric ID and exact title with 'NGPL-47295' under a different pipeline code. Very likely the same underlying notice scraped twice under two different labels (see kindermorgan.py v19 changelog / audit_km_contamination.py) rather than two independent events. No Claude API call was made for this notice. Needs manual review to confirm which pipeline (if either) is correct before it's trusted.
Not scored -- suspected cross-pipeline duplicate, needs manual review.
Reroute: Not assessed.
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TransColorado Gas Transmission
[GAS QUALITY] GAS QUALITY - NB MCGOWAN (LOC 50706)
