Southern Natural Gas Notice 711500
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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: 12/17/2025 1:47:39PM | Notice End Date/Time: 12/18/2025 9:00:00am |
| Post Date/Time: 12/17/2025 1:47:39 PM | Notice ID: 711500 |
| Reqrd Rsp: 1 | Rsp Date: 12/17/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 12-18-2025 |
Effective Timely Cycle for gas day Thursday, December 18, 2025, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
None
RESTRICTIONS (SEGMENT)
· 50 (PICKENS EAST) BH - 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
RESTRICTIONS (LINEPACK)
Payback Due Pipe – None
Payback Due Shipper – None
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 18, 2025 – UL
December 19, 2025 – UL
December 20, 2025 – UL
December 21, 2025 – UL
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Highly Likely (HL)
December 18, 2025 – UL for Short and UL for Long Imbalances
December 19, 2025 – UL for Short and UL for Long Imbalances
December 20, 2025 – UL for Short and UL for Long Imbalances
December 21, 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: 12/17/2025 1:47:39PM | Notice End Date/Time: 12/18/2025 9:00:00am |
| Post Date/Time: 12/17/2025 1:47:39 PM | Notice ID: 711500 |
| Reqrd Rsp: 1 | Rsp Date: 12/17/2025 |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Pipeline Conditions as of 12-18-2025 |
Effective Timely Cycle for gas day Thursday, December 18, 2025, and continuing until further notice, SNG restricted the following:
OPERATIONAL FLOW ORDERS (OFO)
None
RESTRICTIONS (SEGMENT)
· 50 (PICKENS EAST) BH - 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
RESTRICTIONS (LINEPACK)
Payback Due Pipe – None
Payback Due Shipper – None
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 18, 2025 – UL
December 19, 2025 – UL
December 20, 2025 – UL
December 21, 2025 – UL
Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Highly Likely (HL)
December 18, 2025 – UL for Short and UL for Long Imbalances
December 19, 2025 – UL for Short and UL for Long Imbalances
December 20, 2025 – UL for Short and UL for Long Imbalances
December 21, 2025 – UL for Short and UL for Long Imbalances