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Transwestern SEV 4 M/L THOREAU WEST SYSTEMTranswestern SEV 4 M/L THOREAU WEST SYSTEMTranswestern SEV 4 M/L THOREAU WEST SYSTEMTranswestern SEV 3 M/L THOREAU WEST SYSTEMTransco SEV 3 Location Confirmations Being Reduced for 10/24/2026Transwestern SEV 4 Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure -Transwestern SEV 4 Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure.Gulf South SEV 3 Update: Heidelberg Compressor Station MaintenanceANR SEV 3 CAPACITY REDUCTION Southeast Mainline – Jena Southbound & Evangeline SouthboundREX SEV 3 REX MAINTENANCE SCHEDULE FOR NOVEMBER 2026Florida Gas Transmission SEV 3 NOVEMBER 2026 --- FGT WESTERN DIVISION AND MARKET AREA MAINTENANCEGulf South SEV 4 Failure to take confirmed quantities - Loc 24329 Stratton Ridge to Freeport LNGANR SEV 3 UPDATED: CAPACITY REDUCTION Michigan Leg North – Bridgman NorthboundCGT SEV 4 Lake Arthur Compressor Station Maintenance (4246), October 27-28, 2026Gulf South SEV 4 Failure to take confirmed quantities - Loc 24329 Stratton Ridge to Freeport LNGSouthern Star SEV 4 Line Segment 455 Operational Capacity Reduction -- Force Majeure Update (SuperseGulf South SEV 4 Failure to take confirmed quantities - Loc 24329 Stratton Ridge to Freeport LNGANR SEV 4 UPDATED: NOTICE OF FORCE MAJEURE ANRPL – Michigan Leg South – St. John EastboundTCO SEV 4 UPDATE: Force Majeure – MXP LineSabine Pass LNG SEV 4 CTPL 2026 Planned Outage and Maintenance Summary – Updated 10.15.26
Enercast  /  U.S. Natural Gas Pipeline Monitor

Critical Notices. Capacity Offline. Gas Flows.
Real-Time.

Enercast is a real-time notification system. We monitor every major U.S. interstate pipeline and turn posted critical notices and scheduled quantities into three things a trader can act on: AI-scored alerts within minutes of posting, a running ledger of how much capacity is offline in Bcf/d, and every intraday cycle daily supply and demand flow changes built from posted quantities, not estimates.

192
Pipelines monitored
17,100
Meter points
~2 min
Pro alert speed
1–5
AI severity scale

Today at a glance

Every Enercast data product in one screen. Click through for the full page.

gas day Oct 25 · notices refresh several times a day · S&D daily by 7:30 AM ET

Critical notices

Today's feed →
7notices in the last 24 h
sev 5 · 0sev 4 · 3sev 3 · 0sev 2 · 2sev 1 · 2
3 at severity 4–5 · scored by AI within minutes of posting · website refreshes several times a day, Pro gets alerts in ~2 min

Capacity offline

Calendar & map →
1.666Bcf/d unch. vs Oct 24
quantified, 6 events · 14 more in effect without a stated volume · ~1.695 incl. observed est.
bullish 1.666 bearish 0.000 basis 0.000
0.504Great Lakes Rapid River Compressor Station 9bullish
0.395ANR St John Eastbound Mlv 56 Mlv 57 Michiga…bullish
0.391CGT Hampshire Compressor Station Hampsegbullish
Sep 2630 days, rebuilt from posted windowsOct 25
Returned to service: none since Oct 24
Due back Oct 26: none posted
Going offline Oct 26: none posted

Where it’s offline

Open map →
TranscoTennessee Gas PipelineEl Paso Natural GasNatural Gas Pipeline (NGPL)Colorado Interstate GasWyoming InterstateMojave PipelineMidcontinent ExpressSouthern Natural GasTexas Eastern (TETCO)Algonquin Gas TransmissionEast Tennessee Natural GasSabal TrailMaritimes & NortheastNEXUS Gas TransmissionFlorida Gas TransmissionTranswestern PipelinePanhandle EasternTrunkline GasSea Robin PipelineEnable Gas TransmissionEnable Mississippi River TransmissionFayetteville ExpressColumbia Gas Transmission (TCO)Columbia Gulf Transmission (CGT)ANR PipelineNorthern Border PipelineGreat Lakes Gas TransmissionGas Transmission NorthwestMillennium PipelineNorth Baja PipelineTuscarora Gas TransmissionTrailblazer PipelineRuby PipelineTallgrass Overthrust PipelineTransColorado Gas TransmissionCove Point PipelineNational Fuel Gas SupplyEastern Gas Transmission (EGTS)Gulf South PipelineGulfstream Natural Gas SystemIroquois Gas TransmissionKern River Gas TransmissionRockies ExpressRover PipelineSoutheast Supply HeaderSouthern StarTexas Gas TransmissionVector PipelineNorthwest PipelineQuestar PipelineNautilus PipelineGarden Banks Gas PipelineMississippi Canyon Gas PipelineGolden Pass Pipeline (schematic route)Creole Trail / Sabine Pass feed (schematic route)Cameron Interstate (schematic route)Gulf Run Transmission (schematic route)Freeport LNG feed (schematic route)Great Lakes — Rapid River Compressor Station 9 · 0.504 Bcf/dANR — St John Eastbound Mlv 56 Mlv 57 Michigan Leg South · 0.395 Bcf/dCGT — Hampshire Compressor Station Hampseg · 0.391 Bcf/dSouthern Star — Saginaw Compressor Station · 0.205 Bcf/dANR — Weeks Isla/lig Pl · 0.110 Bcf/dSNG — Segment 380 Sesh Delhi And Gwinville Compressor Stations · 0.061 Bcf/dANR — UPDATED: CAPACITY REDUCTION Southwest Mainline NorthboundTCO — Stonewall Gas Gathering Braxton Interconnect Meter 842867East Tennessee — 3100-1 Line Valve Section 1 Wartburg Compressor Station To…Golden Pass — Vidor Compressor StationGreat Lakes — Richfield Loc 482605Nautilus — Enterprise Neptune PlantNBPL — Estelline Compressor Station 11REX — Bertrand Compressor Station Segment 250Sabine Pass LNG — Gillis Compressor StationTallgrass Energy — Roberson Compressor Station Segment 20TETCO — Lebanon Compressor StationTransco — 36" MAINLINE C MAINC Reduced Port Valve Replacement Project…Transwestern — Station 3 Leupp AzTranswestern — M/l Thoreau West SystemNGPL — Moraine Lateral Segment 39 · lifted Oct 22
20 events in effect on 16 pipelines · marker area ∝ Bcf/d, color = market side, hollow = no stated volume · green ring = lifted in the last 7 days · 14 of 21 at the facility, the rest on their pipeline line

Supply & demand · gas day Oct 25

8-day trends & detail →
Posted scheduled quantities, not estimates · Δ vs prior gas day, same cycle · “estimated” badge = sample grossed up to a national total · Pro gets the 2:45 AM ET cycle
30systems at sev 4–5
48 systems with an active notice · 192 monitored · each pipeline page carries its notice history and permalinks

Top notices today

Severity 4–5 first. Full AI trading notes are Pro; free readers see the scored summary one hour later.

All 7 notices today →
sev 4Transwestern Pipelineforce majeurebearishOct 25 · 18:47 UTC

M/L THOREAU WEST SYSTEM

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 app…

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

sev 4Transwestern Pipelineforce majeureOct 25 · 15:47 UTC

M/L THOREAU WEST SYSTEM

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 …

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

sev 4Transwestern Pipelineforce majeurebearishOct 25 · 00:47 UTC

M/L THOREAU WEST SYSTEM

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 i…

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

sev 4Transwestern Pipelineforce majeurebullishOct 23 · 16:36 UTC

Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure - Gas Day 10/24/26 (Until Further Notice)

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 pr…

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

sev 4Transwestern Pipelineforce majeurebullishOct 23 · 15:46 UTC

Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure.

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 No…

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

sev 4Gulf South Pipelineoperational alertbearishOct 21 · 16:05 UTC

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

Gulf South Pipeline has issued a second consecutive Over-Under Performance notice (new ID 5038899) for Loc 24329 Stratton Ridge to Freeport LNG, covering Gas Day 10/21/2026 and until further notice -- an exact reissuance of yesterday's notice (GSPL-5038892) shifted forward one gas day. The customer …

Full AI trading note, reroute and basis read — Pro.

Read the full notice →

Looking for older notices? Notice archive by month → · Every pipeline’s status →

Get the notices that matter, when they post

Free: severity 4–5 notices by email or Telegram, one-hour delay, plus the daily supply and demand recap.

Pro: every scored notice within ~2 minutes, the full trading note, intraday cycle briefs and the capacity-offline ledger.