Critical Notices

Below you will find advisories and formal notices that may be relevant to you. Please check this page regularly to ensure you stay up to date with the latest information. We also encourage all customers to manage their contact information on file with Symmetry by logging into the customer portal, which will help ensure you receive all relevant email communications and important notices.

Critical Notices

This list of notices and flow orders may be incomplete and it is the customers’ responsibility to check with its LDC, upstream pipeline and state and local government officials for further information. If you have questions regarding the potential impacts of an applicable Flow Order, we encourage you to contact your Transporter directly.

Other general notices and weather advisories as applicable can be found below this table, click the blue title bar above to minimize this table or scroll down for more.

Notice IssuerNotice TypeNotice DescriptionStart DateExpireNotice LinkActive?
Always check with your local provider for the latest information.Data Last Updated: February 4, 2026 2:54 pm CT
Symmetry Energy Solutions, L.L.C.Customer NoticeStay Informed this Winter12/1/20252/28/2026Customer NoticeYes
Natural Gas Pipeline (NGPL)Flow OrderOperational Alert12/9/20252/28/2026Operational AlertYes
Natural Gas Pipeline (NGPL)Flow OrderOperational Alert12/9/20253/31/2026Operational AlertYes
Michigan Gas Utilities (MGU)Flow OrderHigh Flow Constraint (HFC)1/17/2026TBDHFC NoticeYes
Enable Mississippi River Transmission, LLC (MRT)Operational AlertNorthbound High Utilization SPW1/17/2026TBDOperational AlertYes
Natural Gas Pipeline (NGPL)Operational AlertWeather Advisory - System Wide1/15/20263/31/2026Operational AlertYes
Natural Gas Pipeline (NGPL)Flow OrderOperational Flow Order (OFO)1/22/2026TBDOFO NoticeYes
Enable Mississippi River Transmission, LLC (MRT)Force MajeureForce Majeure Notice - SPW1/21/2026TBDFM NoticeYes
AlaTennFlow OrderBalancing Operational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
gFlow / Acadian Gas Pipeline, LLC (AGP)Flow OrderOperational Flow Order (OFO)1/22/20262/22/2026OFO Notice
Acadian OFO
Yes
Jackson Energy Authority (JEA)Flow OrderCritical Flow Day - EXTENDED1/24/20262/03/2026OFO NoticeYes
Wisconsin Public ServiceFlow OrderOperational Flow Order (OFO) - High Flow Constraint1/22/2026TBDOFO NoticeYes
Wisconsin Electric Gas OperationsFlow OrderOperational Flow Order (OFO) - High Flow Constraint1/22/2026TBDOFO NoticeYes
Wisconsin Gas LLCFlow OrderOperational Flow Order (OFO) - High Flow Constraint1/22/2026TBDOFO NoticeYes
Memphis Light, Gas & Water (MLGW)Flow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
El Paso Natural Gas (EPNG) / Southwest Gas Corporation (SWG)Flow OrderStrained Operating Condition (SOC) - Low Line Pack1/22/2026TBDSOC NoticeYes
Piedmont Natural Gas -North Carolina & South Carolina (PNG)Flow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Piedmont Natural Gas -Tennessee (PNG)Flow OrderOperational Flow Order (OFO) Lifts 02/03/20261/24/202602/03/2026OFO NoticeYes
DTEFlow OrderCold Weather Advisory2/3/2026TBDOperational AlertYes
Panhandle Eastern Pipe Line Company, LP (PEPL)Operational AlertWeather Alert1/23/202602/03/2026Weather AlertYes
DT Midstream / Guardian Pipeline, LLCFlow OrderOperational Flow Order (OFO)1/22/20262/28/2026OFO NoticeYes
Peoples GasFlow OrderOperational Flow Order (OFO) - Critical Shortage Day1/22/2026TBDOFO NoticeYes
North Shore GasFlow OrderOperational Flow Order (OFO) - Critical Shortage Day1/22/2026TBDOFO NoticeYes
Atmos EnergyFlow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Liberty Utilities - OzarkFlow OrderOperational Flow Order (OFO)1/23/2026TBDOFO NoticeYes
Piedmont Natural Gas of
Tennessee
Flow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Oklahoma Natural Gas (ONG)Flow OrderOperational Flow Order (OFO)1/23/2026TBDOFO NoticeYes
Public Service Company of North Carolina (PSNC)
Flow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Colorado Interstate Gas Company, L.L.C.Flow OrderStrained Operating Flow(SOC) 1/24/2026TBDSOC NoticeYes
Wisconsin Public ServiceFlow OrderHigh Flow Constraint (HFC) Lifted1/24/20262/03/2026HFC LiftedYes
Wisconsin GasFlow OrderHigh Flow Constraint (HFC) Lifted
1/24/20262/03/2026HFC LiftedYes
Wisconsin Electric Gas Operations (WEGO)Flow OrderHigh Flow Constraint (HFC) Lifted1/24/20262/03/2026HFC LiftedYes
ANR & WI UtilitiesFlow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Kinder Morgan (NGPL)Flow OrderOperational Flow Order (OFO)2/5/2026TBDOFO NoticeYes
Atmos EnergyFlow OrderOperational Flow Order (OFO)1/28/20262/3/2026OFO NoticeYes
Kinder Morgan-Tennessee Gas Pipeline (TGP)Flow OrderOperational Flow Order
Lifted 2/3/2026)
1/31/20262/3/2026
OFO NoticeYes
Southern Star PipelineOperational AlertWinter Weather Warning1/29/2026TBDOperational AlertYes
Atmos Energy PipelineOperational AlertCritical Weather Event-Lifted 2/2/2026)1/31/20262/02/2026Weather Alert Yes
Centerpoint Energy -Texas (Entex)


Flow OrderOperational Flow Order
(LIFTED)
1/31/202602/03/2026OFO LiftedYes
Centerpoint Energy-CEIN North
/Vectren
Flow OrderOperational Flow Order
2/3/2026TBDOFO NoticeYes
MoGas -SpireOperational AlertWeather Alert1/17/2026TBDOperational AlertYes
Gulf South PipelineFlow OrderOperational Flow Order (Lifted)
1/24/20262/02/2026OFO LiftedNo
Acadian Gas PipelineFlow OrderOperational Flow Order (Lifted)
2/15/20262/02/2026OFO LiftedNo
Enterprise Texas Pipeline(ETP,CIG)Flow OrderOperational Flow Order (Lifted)
1/22/20262/02/2026OFO LiftedNo
Enable Gas Transmission, LLC (EGT) Operational AlertBalancing Alert1/14/202602/025/2026Operational AlertYes
Tallgrass Interstate (TIGT)Operational AlertWeather Alert1/20/2026TBDWeather AlertYes
Michigan Gas Utilites (MGU)Flow OrderHigh Flow Constraint1/17/202602/03/2026Operational AlertYes
CenterPoint Energy Indiana SouthFlow OrderCold Operational Flow Order (OFO) - Extended2/3/2026TBDOFO NoticeYes
NIPSCOOperational AlertCritical Overtake Day Declaration Notice 1/21/20262/05/2026OFO NoticeYes
Columbia Gas of Kentucky, Inc. (CKY)Flow OrderBalancing Service Interruption (BSI)2/4/20262/6/2026BSI NoticeNo
Columbia Gas of Ohio (COH)Flow OrderOperational Flow Order (OFO) and Operational Matching Order (OMO)2/5/20262/5/2026OFO NoticeYes

Alerts previously listed that have now expired have been removed from this table. As new alerts are identified, the table will be updated with that information.