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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 712301

    Southern Natural Gas Notice 712301

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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:  08/19/2026 4:21:44PM Notice End Date/Time:  08/20/2026 9:00:00am Post Date/Time:  8/19/2026 4:21:44 PM Notice ID: 712301 Reqrd Rsp:  1 Rsp Date/Time:  8/19/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  712299 Subject:  Update #2 Pipeline Conditions 08-19-2026
    Notice Text:

    Effective Intraday 2 Cycle for gas day Wednesday, August 19, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 3 Level 1 OFO South System will be in effect for the start of the gas day, Wednesday, August 12, 2026, until further notice, Notice ID # 712268

    RESTRICTIONS (POINT)

    ·         TRNSCO/SNG FROST LIVINGSTON Delivery Meter (Pin 603100) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (SEGMENT)

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

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

    ·         350 (NORTH OF WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

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

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

    ·         430 (ENTERPRISE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         530 (THOMASTON EAST) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – Not Accepting Until Further Notice

    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))

    August 19, 2026 – OFO until further notice

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

    August 19, 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:  08/19/2026 4:21:44PM Notice End Date/Time:  08/20/2026 9:00:00am Post Date/Time:  8/19/2026 4:21:44 PM Notice ID: 712301 Reqrd Rsp:  1 Rsp Date/Time:  8/19/2026 12:00:00 AM Notice Stat Desc:  SUPERSEDE Prior Notice:  712299 Subject:  Update #2 Pipeline Conditions 08-19-2026
    Notice Text:

    Effective Intraday 2 Cycle for gas day Wednesday, August 19, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 3 Level 1 OFO South System will be in effect for the start of the gas day, Wednesday, August 12, 2026, until further notice, Notice ID # 712268

    RESTRICTIONS (POINT)

    ·         TRNSCO/SNG FROST LIVINGSTON Delivery Meter (Pin 603100) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (SEGMENT)

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

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

    ·         350 (NORTH OF WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

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

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

    ·         430 (ENTERPRISE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         530 (THOMASTON EAST) - Exceeds Operating Capacity - Reductions into OP Services

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – Not Accepting Until Further Notice

    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))

    August 19, 2026 – OFO until further notice

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

    August 19, 2026 – UL for Short and UL for Long Imbalances

     

     

     

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