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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711891

    Southern Natural Gas Notice 711891

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    TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y
    Notice Type Desc (1):  PIPELINE CONDITIONS Notice Type Desc (2):  CURRENT PIPELINE CONDITIONS
    Notice Eff Date/Time:  04/15/2026 11:15:24AM Notice End Date/Time:  04/16/2026 9:00:00am
    Post Date/Time:  4/15/2026 11:15:24 AM Notice ID: 711891
    Reqrd Rsp:  1 Rsp Date:  04/15/2026
    Notice Stat Desc:  INITIATE Prior Notice: 
    Subject:  Updated Pipeline Conditions 04-15-2026
    Notice Text:

    Effective Intraday 1 Cycle for gas day Wednesday, April 15, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

    RESTRICTIONS (SEGMENT)

    ·         340 (WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         400 (GWINVILLE) - Exceeds Operating Capacity - Reductions through OP Services

    ·         655 (HOLY TRINITY) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – None

    RESTRICTIONS (STORAGE)

    Incremental Interruptible Storage (ISS) Injections not allowed - See Notice # 711727

    Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    April 15, 2026 – UL

    Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    April 15, 2026 – UL for Short and UL for Long Imbalances

     

     

     

     

     

    TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y
    Notice Type Desc (1):  PIPELINE CONDITIONS Notice Type Desc (2):  CURRENT PIPELINE CONDITIONS
    Notice Eff Date/Time:  04/15/2026 11:15:24AM Notice End Date/Time:  04/16/2026 9:00:00am
    Post Date/Time:  4/15/2026 11:15:24 AM Notice ID: 711891
    Reqrd Rsp:  1 Rsp Date:  04/15/2026
    Notice Stat Desc:  INITIATE Prior Notice: 
    Subject:  Updated Pipeline Conditions 04-15-2026
    Notice Text:

    Effective Intraday 1 Cycle for gas day Wednesday, April 15, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

    RESTRICTIONS (SEGMENT)

    ·         340 (WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         400 (GWINVILLE) - Exceeds Operating Capacity - Reductions through OP Services

    ·         655 (HOLY TRINITY) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – None

    RESTRICTIONS (STORAGE)

    Incremental Interruptible Storage (ISS) Injections not allowed - See Notice # 711727

    Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    April 15, 2026 – UL

    Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    April 15, 2026 – UL for Short and UL for Long Imbalances

     

     

     

     

     

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