Enercast — at the moment it matters
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Transwestern SEV 3 M/L THOREAU WEST SYSTEMTranswestern SEV 3 Force Majeure Event - Bloomfield Compressor Station (Valverde Service). 10/28/26Transwestern SEV 3 Force Majeure - East Mainline- Compressor Station mechanical Failure 10/27/26Transwestern SEV 3 Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure. Gulf South SEV 4 System Management Plan – Location 24329 Stratton Ridge (to Freeport LNG)Transwestern SEV 3 M/L THOREAU WEST SYSTEMTranswestern SEV 4 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 2026Gulf South SEV 4 Failure to take confirmed quantities - Loc 24329 Stratton Ridge to Freeport LNGCGT 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 Line
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
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Today at a glance

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

gas day Oct 26 · notices refresh several times a day · S&D daily by 7:30 AM ET

Critical notices

Today's feed →
21notices in the last 24 h
sev 5 · 0sev 4 · 2sev 3 · 5sev 2 · 8sev 1 · 6
sev 4Gulf South System Management Plan – Location 24329 Stratton Ridge (to Freeport LNG)
sev 4Transwestern M/L THOREAU WEST SYSTEM
sev 4Transwestern Force Majeure - Station 3 (Leupp, AZ.) - Compressor Station mechanical Failure - Gas Day 10/24/26 (Until Further Notice)
2 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 →
1.776Bcf/d +0.110 vs Oct 25
quantified, 7 events · 13 more in effect without a stated volume · ~1.805 incl. observed est.
bullish 1.776 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 2730 days, rebuilt from posted windowsOct 26
Returned to service: none since Oct 25
Due back Oct 27: Golden Pass Vidor Compressor Stat…, Transwestern M/l Thoreau West Syst…
Going offline Oct 27: Transwestern East Mainline Compres… 0.120, CGT Lake Arthur Compresso… 0.100, Transco Station 33 Mp 284.5 S…

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/dTranswestern — Station 3 Leupp Az · 0.110 Bcf/dSNG — Segment 380 Sesh Delhi And Gwinville Compressor Stations · 0.061 Bcf/dANR — UPDATED: CAPACITY REDUCTION Southwest Mainline NorthboundTranswestern — M/l Thoreau West SystemTCO — 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…NGPL — 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 26

8-day trends & detail →
Supply / Production
67.494Bcf/d
▼ 0.7% DoD · structural ceiling
LNG Feedgas
19.347Bcf/d
▼ 1.0% DoD · validated
Canada Import
4.322Bcf/d
▼ 15.8% DoD · validated
Export to Mexico
1.183Bcf/d
▲ 7.0% DoD · structural ceiling
LDC Citygate
19.445Bcf/d
▼ 2.3% DoD · estimated
End User
4.140Bcf/d
▼ 2.7% DoD · estimated
Power Generation
18.625Bcf/d
▲ 2.4% DoD · estimated
Storage
+6.184Bcf/d net withd. *
-0.739 DoD · no benchmark

* Storage: UGI Storage has not published updated data for today.

Largest move: Canada Import -0.809 Bcf/d (-15.8%) vs Oct 25; LDC Citygate -0.466. Storage net withdrawal 6.184 Bcf/d.
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

Pipelines

By pipeline →
30systems at sev 4–5
sev 5ANR Pipeline
sev 5Columbia Gas Transmission (TCO)
sev 5Rockies Express (REX)
sev 5Tallgrass Energy
sev 4Algonquin Gas Transmission
sev 4Columbia Gulf Transmission (CGT)
sev 4Cove Point LNG
sev 4Eastern Gas Transmission & Storage
+22 more at severity 4–5 →
49 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 21 notices today →
sev 4Gulf South Pipelineoperational alertbearishOct 26 · 13:25 UTC

System Management Plan – Location 24329 Stratton Ridge (to Freeport LNG)

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 cus…

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

Read the full notice →

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 3Transwestern Pipelineforce majeureOct 26 · 15:46 UTC

M/L THOREAU WEST SYSTEM

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 Oc…

Read the full notice →

sev 3Transwestern Pipelineforce majeurebearishOct 26 · 00:47 UTC

M/L THOREAU WEST SYSTEM

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-121…

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.

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