Southern Star Central (U.S.): 76 active notices, 4 rated severity 4–5; 4 posted in the last 7 days. 1 outage in effect today: 0.205 Bcf/d offline at Saginaw Compressor Station, expected back Nov 2. Capacity Offline →
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Force Majeure0.205 Bcf/d cut (capped at 0.180 Bcf/d)Until Further Notice25 Days
Southern Star has declared a force majeure at the Saginaw Compressor Station (Jasper County, MO) due to a mechanical failure of the Saginaw Turbine, reducing capacity by 180,000 Dth/d (0.180 Bcf/d) at Saginaw CS and 25,000 Dth/d (0.025 Bcf/d) at Empire Energy Center, totaling 0.205 Bcf/d. This update (superseding #11240) pushes the in-service date back to November 2, 2026, extending the outage that began ID2 cycle October 9. Live capacity data for Saginaw CS Area Deliveries (loc_id 444550) shows operating capacity at 0.180 Bcf/d with 0.143 Bcf/d scheduled, corroborating the reduced operating cap stated in the notice.
Southern Star force majeure at Saginaw CS removes 0.205 Bcf/d of Midcontinent/Missouri delivery capacity through Nov 2; timeline extension is bearish for update direction but the sustained capacity loss is bullish for Southern Star basis -- watch for tightening in Kansas/Missouri LDC markets with limited reroute via ANR, PEPL, or Southern Star alternatives.
Reroute: Moderate: ANR and Panhandle Eastern (PEPL) serve overlapping Midcontinent and Midwest corridors and may absorb some volumes, but Southern Star serves specific Kansas/Missouri local markets that have limited direct bypass options.
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Southern Star
Operational Capacity Reduction - Line Segment 385 Terminated
Force Majeure0.205 Bcf/dUntil Further Notice14 Days
Southern Star declared force majeure on Line Segment 455 due to a mechanical turbine failure at Saginaw Compressor Station in Jasper County, Missouri, effective October 9, 2026 (ID2 cycle). Capacity reductions total 205,000 Dth/d (0.205 Bcf/d): 180,000 Dth/d at Saginaw CS (Location ID 444550) and 25,000 Dth/d at Empire Energy Center (Location ID 378502). This notice (11240) supersedes 11238 and adds a repair timeline -- contractors are scheduled to complete turbine repairs by October 26, 2026, approximately two weeks from the notice date.
Southern Star force majeure removes 0.205 Bcf/d of Midcontinent/Kansas-Missouri capacity through approximately October 26; expect mild bullish pressure on Southern Star basis and Kansas-Missouri delivery markets, with tightening most acute at points downstream of Saginaw CS -- live data shows Saginaw CS Area Deliveries (loc 444550) running at 83.9% utilization with only 16.1% headroom, consistent with the stated constraint.
Reroute: Moderate: ANR, PEPL, and Southern Natural (EGT) serve overlapping Midcontinent and Kansas-Missouri markets, though Southern Star serves specific local delivery points in Missouri that may have limited bypass. PEPL Princeton Receipt (loc 17131) is posting 74.5% utilization with 25.5% headroom, suggesting some alternative capacity exists.
Southern Star declared force majeure effective October 9, 2026 due to a mechanical failure at Saginaw Compressor Station in Jasper County, Missouri. The event reduces capacity by 180,000 Dth/d (0.180 Bcf/d) at Saginaw CS (Location ID 444550) and 25,000 Dth/d (0.025 Bcf/d) at Empire Energy Center (Location ID 378502), for a combined 0.205 Bcf/d reduction on Line Segment 455. No restoration timeline has been given; Southern Star will post updates as available.
Southern Star force majeure removes 0.205 Bcf/d of Midcontinent throughput capacity on Line Segment 455 with no restoration timeline; expect bullish pressure on Southern Star / Midcontinent Kansas-Missouri basis with tightening likely to spill into Oneok Oklahoma pricing and modest supportive signal at Henry Hub if Midwest pull-back reduces southbound displacement.
Reroute: Moderate: ANR, PEPL, and TIGT serve overlapping Midcontinent and Kansas/Missouri markets and could absorb a portion of the displaced volumes, but Southern Star Line Segment 455 serves specific local and downstream Missouri delivery points that may have limited bypass options.
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Southern Star
TERMINATE: River Rock - Fireside (Location # 16757) - Capacity Reduction
Southern Star has scheduled station maintenance at Blackwell CS (loc 445511) beginning September 23, 2026 and running through October 21, 2026 -- approximately 28 days. The notice states 500,000 Dth/d (0.500 Bcf/d) of throughput at this location will be affected. Live capacity data for the evening cycle on 2026-09-22 shows Blackwell CS (loc_id 445511, R:MLQ) operating at 0.670 Bcf/d with 0.454 Bcf/d scheduled and 0.215 Bcf/d of headroom, meaning the outage represents roughly 75% of currently scheduled flow through this compressor.
Southern Star Blackwell CS maintenance removes 0.500 Bcf/d of Midcontinent throughput capacity from September 23 through October 21; Southern Star basis has been running at -0.540 vs Henry Hub most recently (2026-09-21), and this constraint on a key compressor station should pressure Midcontinent supply and support a narrowing of the Southern Star discount or shift volumes to PEPL and ANR alternatives.
Reroute: Moderate: ANR (monitored), PEPL (monitored), and TIGT (monitored) serve overlapping Midcontinent markets and can absorb some diverted Anadarko/Hugoton supply, though a 0.500 Bcf/d constraint over 28 days will likely saturate available alternate capacity on at least some days.
