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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711895

    Southern Natural Gas Notice 711895

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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 7:06:35PM Notice End Date/Time:  04/16/2026 9:00:00am Post Date/Time:  4/15/2026 7:06:35 PM Notice ID: 711895 Reqrd Rsp:  1 Rsp Date:  4/15/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  711894 Subject:  Updated Pipeline Conditions 04-16-2026
    Notice Text:

    Effective Evening Cycle for gas day Thursday, April 16, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

     

    RESTRICTIONS (SEGMENT)

    ·         30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services

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

    ·         380 (SNG - SESH) - Exceeds Operating Capacity - Reductions into IP Services

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

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

    ·         700 (QUINCY LINE) - Exceeds Operating Capacity

    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 16, 2026 – UL

    April 17, 2026 – UL

    April 18, 2026 – UL

    April 19, 2026 – UL

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

    April 16, 2026 – UL for Short and UL for Long Imbalances

    April 17, 2026 – UL for Short and UL for Long Imbalances

    April 18, 2026 – UL for Short and L for Long Imbalances

    April 19, 2026 – UL for Short and L 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 7:06:35PM Notice End Date/Time:  04/16/2026 9:00:00am Post Date/Time:  4/15/2026 7:06:35 PM Notice ID: 711895 Reqrd Rsp:  1 Rsp Date:  4/15/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  711894 Subject:  Updated Pipeline Conditions 04-16-2026
    Notice Text:

    Effective Evening Cycle for gas day Thursday, April 16, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

     

    RESTRICTIONS (SEGMENT)

    ·         30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services

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

    ·         380 (SNG - SESH) - Exceeds Operating Capacity - Reductions into IP Services

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

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

    ·         700 (QUINCY LINE) - Exceeds Operating Capacity

    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 16, 2026 – UL

    April 17, 2026 – UL

    April 18, 2026 – UL

    April 19, 2026 – UL

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

    April 16, 2026 – UL for Short and UL for Long Imbalances

    April 17, 2026 – UL for Short and UL for Long Imbalances

    April 18, 2026 – UL for Short and L for Long Imbalances

    April 19, 2026 – UL for Short and L for Long Imbalances

     

     

     

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