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Most Recent 5 Critical Notices in effect  (as of 4/27/2026 5:42:22 AM CCT )
 Notice
Type		Posted
Date/Time		Notice Effective
Date/Time		Notice
Identifier		SubjectResponse
Date/Time
DetailsMaintenance4/24/2026 9:33:00 AM4/24/2026 9:33:00 AM0000004683May 2026 Pipeline Work 
DetailsMaintenance4/24/2026 8:35:00 AM4/24/2026 8:35:00 AM0000004682Dorchester Compressor Station – Scheduled Maintenance 
DetailsMaintenance4/24/2026 6:04:00 AM4/24/2026 6:04:00 AM0000004681Mainline Work in Orangeburg County, SC 
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 
 
Most Recent 5 Non Critical Notices in effect  (as of 4/27/2026 5:42:22 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 4/27/2026 5:42:23 AM CCT)
ID1ID2ID3TIMEVE
Gas Day4/27/20264/27/20264/27/20264/28/20264/28/2026
Nomination CycleOpenClosedClosedOpenOpen
Confirmation CycleClosedClosedClosedClosedClosed
OFO Probabilities
Gas DayProbabilityImbalance Type
4/26/2026UL
4/27/2026UL
4/28/2026UL
 
Current Unaudited Gas Quality Snapshot  (as of 4/27/2026 5:40:11 AM CCT)
LocationMMBtu/MCFSpecific GravityCO2NitrogenMethaneEthanePropaneI-ButaneButaneI-PentanePentaneHexane+
Aiken 1.05360.58690.22%0.33%94.01%5.09%0.28%0.02%0.03%0.01%0.00%0.00%
Bethune_11Sys 1.05240.58460.14%0.31%94.40%4.81%0.29%0.02%0.03%0.00%0.00%0.00%
Bethune_13Sys 1.05300.58500.15%0.31%94.32%4.88%0.29%0.02%0.03%0.01%0.00%0.00%
Bethune_18Sys 1.05220.58450.14%0.31%94.42%4.79%0.29%0.02%0.03%0.00%0.00%0.00%
Bushy_Park 1.04530.58540.43%0.38%94.49%4.40%0.25%0.02%0.03%0.01%0.00%0.00%
Dorchester_12C 1.03480.58290.34%0.90%94.81%3.66%0.22%0.02%0.02%0.01%0.00%0.01%
Grover 1.05610.58710.15%0.31%93.92%5.27%0.29%0.02%0.03%0.01%0.00%0.00%
Salley_Char_1 1.05360.58820.29%0.35%93.91%5.05%0.28%0.07%0.03%0.01%0.00%0.01%
Salley_Char_2 1.05290.58670.24%0.34%94.07%5.00%0.29%0.02%0.03%0.01%0.00%0.00%

Current Unaudited Gas Quality Snapshot per Upstream Interconnect Agreement
(as of 4/27/2026 5:40:11 AM CCT)
LocationMMBtu/MCFSpecific GravityCO2NitrogenMethaneEthanePropaneI-ButaneButaneI-PentanePentaneHexane+
SNG_PortWent 1.03240.58510.27%1.36%94.31%3.70%0.26%0.04%0.05%0.01%0.00%0.00%
 
General Information & Help
(866)-401-5248
24-Hour Emergency Numbers
Gas Control (800) 789-7272