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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711902

    Southern Natural Gas Notice 711902

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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:  04/17/2026 3:05:36PM Notice End Date/Time:  04/18/2026 9:00:00am Post Date/Time:  4/17/2026 3:05:36 PM Notice ID: 711902 Reqrd Rsp:  1 Rsp Date:  4/17/2026 12:00:00 AM Notice Stat Desc:  INITIATE Prior Notice:  Subject:  Pipeline Conditions as of 04-18-2026
    Notice Text:

    Effective Timely Cycle for gas day Saturday, April 18, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 6 OFO for long imbalances will be in effect for the start of the gas day, Saturday, April 18, 2026, until further notice.  (Notice #711898)

     

    RESTRICTIONS (SEGMENT)

    ·         50 (PICKENS EAST) BH - Exceeds Operating Capacity - Reductions into OP Services

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

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

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – Not Accepting Until Further Notice

    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 18, 2026 – UL

    April 19, 2026 – UL

    April 20, 2026 – UL

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

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

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

    April 20, 2026 – UL for Short and OFO 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:  04/17/2026 3:05:36PM Notice End Date/Time:  04/18/2026 9:00:00am Post Date/Time:  4/17/2026 3:05:36 PM Notice ID: 711902 Reqrd Rsp:  1 Rsp Date:  4/17/2026 12:00:00 AM Notice Stat Desc:  INITIATE Prior Notice:  Subject:  Pipeline Conditions as of 04-18-2026
    Notice Text:

    Effective Timely Cycle for gas day Saturday, April 18, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 6 OFO for long imbalances will be in effect for the start of the gas day, Saturday, April 18, 2026, until further notice.  (Notice #711898)

     

    RESTRICTIONS (SEGMENT)

    ·         50 (PICKENS EAST) BH - Exceeds Operating Capacity - Reductions into OP Services

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

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

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – Not Accepting Until Further Notice

    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 18, 2026 – UL

    April 19, 2026 – UL

    April 20, 2026 – UL

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

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

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

    April 20, 2026 – UL for Short and OFO for Long Imbalances

     

     

     

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