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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711497

    Southern Natural Gas Notice 711497

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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:  12/16/2025 11:16:01AM Notice End Date/Time:  12/17/2025 9:00:00am
    Post Date/Time:  12/16/2025 11:16:01 AM Notice ID: 711497
    Reqrd Rsp:  1 Rsp Date:  12/16/2025
    Notice Stat Desc:  SUPERSEDE Prior Notice:  711493
    Subject:  Updated Pipeline Conditions 12-16-2025
    Notice Text:

    Effective Intraday 1 Cycle for gas day Tuesday, December 16, 2025, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 3 Level 2 OFO North System will be in effect for the start of the gas day, Monday, December 15, 2025, until further notice, Notice ID # 711480

    Type 3 Level 2 OFO South System will be in effect for the start of the gas day, Monday, December 15, 2025, until further notice, Notice ID # 711481

    RESTRICTIONS (POINT)

    ·         606300 (FGT/SNG JACKSONVILLE CLAY)-R - Delivery In Excess Of Receipt Volumes AND/OR Receipt In Excess Of Delivery Volumes - Reductions through IT Services

    RESTRICTIONS (SEGMENT)

    ·         50 (LOUISVILLE EAST) - 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 OP Services

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

    ·         490 (ELLERSLIE) - 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 # 710565

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

    December 16, 2025 – OFO Until Further Notice

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

    December 16, 2025 – 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:  12/16/2025 11:16:01AM Notice End Date/Time:  12/17/2025 9:00:00am
    Post Date/Time:  12/16/2025 11:16:01 AM Notice ID: 711497
    Reqrd Rsp:  1 Rsp Date:  12/16/2025
    Notice Stat Desc:  SUPERSEDE Prior Notice:  711493
    Subject:  Updated Pipeline Conditions 12-16-2025
    Notice Text:

    Effective Intraday 1 Cycle for gas day Tuesday, December 16, 2025, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    Type 3 Level 2 OFO North System will be in effect for the start of the gas day, Monday, December 15, 2025, until further notice, Notice ID # 711480

    Type 3 Level 2 OFO South System will be in effect for the start of the gas day, Monday, December 15, 2025, until further notice, Notice ID # 711481

    RESTRICTIONS (POINT)

    ·         606300 (FGT/SNG JACKSONVILLE CLAY)-R - Delivery In Excess Of Receipt Volumes AND/OR Receipt In Excess Of Delivery Volumes - Reductions through IT Services

    RESTRICTIONS (SEGMENT)

    ·         50 (LOUISVILLE EAST) - 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 OP Services

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

    ·         490 (ELLERSLIE) - 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 # 710565

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

    December 16, 2025 – OFO Until Further Notice

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

    December 16, 2025 – UL for Short and UL for Long Imbalances

     

     

     

     

     

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