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There are 5 Critical Notices in effect  (as of 4/21/2026 5:35:56 AM CCT )
 Notice
Type		Posted
Date/Time		Notice Effective
Date/Time		Notice
Identifier		SubjectResponse
Date/Time
DetailsMaintenance4/20/2026 7:32:00 AM4/20/2026 7:32:00 AM0000004680Mainline Work in Orangeburg County, SC 
DetailsMaintenance4/16/2026 9:00:00 AM4/16/2026 9:00:00 AM0000004679Southern Compressor Station and Grover Compressor Station – Scheduled Maintenance 
DetailsCapacity Constraint/Pipeline Conditions4/16/2026 9:00:00 AM4/16/2026 9:00:00 AM0000004678Receipt Capacity Constraint 
DetailsCapacity Constraint/Pipeline Conditions4/1/2026 3:58:00 PM4/1/2026 3:58:00 PM0000004672Receipt Capacity Constraint 
DetailsMaintenance3/27/2026 10:20:00 AM3/27/2026 10:20:00 AM0000004666April 2026 Pipeline Work 
 
Most Recent 5 Non Critical Notices in effect  (as of 4/21/2026 5:35:56 AM CCT )
 Notice
Type		Posted
Date/Time		Notice Effective
Date/Time		Notice
Identifier		SubjectResponse
Date/Time
DetailsBilling and Payments4/8/2026 7:36:00 AM4/8/2026 7:36:00 AM0000004675March Invoices and Statements of Account Posted 
DetailsCash Out/Billing and Payments4/7/2026 10:35:00 PM4/7/2026 10:35:00 PM0000004674March 2026 Cashout Pricing 
DetailsImbalance Trading4/7/2026 3:17:00 PM4/7/2026 3:17:00 PM0000004673March 2026 Measurement Close and Imbalance Trade 
DetailsBilling and Payments3/9/2026 9:58:00 AM3/9/2026 9:58:00 AM0000004663February Invoices and Statements of Account Posted 
DetailsCash Out/Billing and Payments3/4/2026 6:09:00 PM3/4/2026 6:09:00 PM0000004662February 2026 Cashout Pricing 
Cycle Indicators(as of 4/21/2026 5:35:57 AM CCT)
ID1ID2ID3TIMEVE
Gas Day4/21/20264/21/20264/21/20264/22/20264/22/2026
Nomination CycleOpenClosedClosedOpenOpen
Confirmation CycleClosedClosedClosedClosedClosed
OFO Probabilities
Gas DayProbabilityImbalance Type
4/20/2026UL
4/21/2026UL
4/22/2026UL
 
Current Unaudited Gas Quality Snapshot  (as of 4/21/2026 5:28:10 AM CCT)
LocationMMBtu/MCFSpecific GravityCO2NitrogenMethaneEthanePropaneI-ButaneButaneI-PentanePentaneHexane+
Aiken 1.04970.58510.26%0.34%94.38%4.70%0.26%0.02%0.03%0.00%0.00%0.00%
Bethune_11Sys 1.05330.58510.13%0.32%94.25%4.98%0.27%0.02%0.02%0.00%0.00%0.00%
Bethune_13Sys 1.05380.58540.13%0.32%94.22%5.00%0.28%0.02%0.03%0.01%0.00%0.00%
Bethune_18Sys 1.05330.58510.14%0.32%94.25%4.98%0.26%0.02%0.02%0.00%0.00%0.00%
Bushy_Park 1.04120.58440.23%0.83%94.41%4.24%0.24%0.01%0.03%0.01%0.00%0.00%
Dorchester_12C 1.03430.58270.40%0.82%94.90%3.61%0.21%0.02%0.02%0.00%0.00%0.01%
Grover 1.05370.58520.13%0.31%94.25%4.98%0.27%0.02%0.03%0.00%0.00%0.00%
Salley_Char_1 1.05430.58600.15%0.31%94.21%4.94%0.28%0.07%0.03%0.01%0.00%0.00%
Salley_Char_2 1.05310.58630.21%0.33%94.11%5.01%0.27%0.02%0.03%0.01%0.00%0.01%

Current Unaudited Gas Quality Snapshot per Upstream Interconnect Agreement
(as of 4/21/2026 5:28:10 AM CCT)
LocationMMBtu/MCFSpecific GravityCO2NitrogenMethaneEthanePropaneI-ButaneButaneI-PentanePentaneHexane+
SNG_PortWent 1.02840.58250.19%1.48%94.66%3.36%0.24%0.03%0.03%0.00%0.00%0.00%
 
General Information & Help
(866)-401-5248
24-Hour Emergency Numbers
Gas Control (800) 789-7272