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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711909

    Southern Natural Gas Notice 711909

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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:  04/21/2026 11:19:20AM Notice End Date/Time:  04/22/2026 9:00:00am
    Post Date/Time:  4/21/2026 11:19:20 AM Notice ID: 711909
    Reqrd Rsp:  1 Rsp Date:  04/21/2026
    Notice Stat Desc:  SUPERSEDE Prior Notice:  711908
    Subject:  Updated Pipeline Conditions 04-21-2026
    Notice Text:

    Effective Intraday 1 Cycle for gas day Tuesday, April 21, 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

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

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

    ·         660 (ALBANY CS) - Exceeds Operating Capacity

    ·         680 (ALBANY) - 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 21, 2026 – UL

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

    April 21, 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:  04/21/2026 11:19:20AM Notice End Date/Time:  04/22/2026 9:00:00am
    Post Date/Time:  4/21/2026 11:19:20 AM Notice ID: 711909
    Reqrd Rsp:  1 Rsp Date:  04/21/2026
    Notice Stat Desc:  SUPERSEDE Prior Notice:  711908
    Subject:  Updated Pipeline Conditions 04-21-2026
    Notice Text:

    Effective Intraday 1 Cycle for gas day Tuesday, April 21, 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

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

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

    ·         660 (ALBANY CS) - Exceeds Operating Capacity

    ·         680 (ALBANY) - 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 21, 2026 – UL

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

    April 21, 2026 – UL for Short and UL for Long Imbalances

     

     

     

     

     

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