Symmetry Energy Solutions

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 27, 2026 3:02 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
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
DTEFlow OrderCold Weather Advisory2/3/2026TBDOperational AlertYes
DT Midstream / Guardian Pipeline, LLCFlow OrderOperational Flow Order (OFO)1/22/20262/28/2026OFO 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
ANR & WI UtilitiesFlow OrderOperational Flow Order (OFO)1/24/2026TBDOFO NoticeYes
Kinder Morgan (NGPL)Flow OrderOperational Flow Order (OFO)2/5/2026TBDOFO NoticeYes
Kinder Morgan-(TGP)Flow OrderOperational Flow Order (Downgraded - 2/25)
2/25/2026TBDOFO Yes
Southern Star PipelineOperational AlertWinter Weather Warning1/29/2026TBDOperational AlertYes
Centerpoint Energy-CEIN North
/Vectren 		Flow OrderOperational Flow Order
(Lifted)
2/3/20262/9/2026OFO NoticeYes
Spire-MissouriOperational AlertWeather Alert2/15/20264/30/2026Weather AlertYes
Tallgrass Interstate (TIGT)Operational AlertWeather Alert1/20/2026TBDWeather AlertYes
CenterPoint Energy Indiana South (CEIN/Vectren)
Flow OrderCold Operational Flow Order (OFO) - Lifted2/3/20262/9/2026OFO NoticeYes
Columbia Gas of Kentucky, Inc. (CKY)Flow OrderBalancing Service Interruption (BSI)2/28/20262/28/2026BSI NoticeNo
Enable (MRT)Operational AlertSystem Protection Warning (SPW)
2/15/20264/30/2026Operational AlertYes
Kinder Morgan (NGPL)Flow OrderOperational Flow Order - Market Delivery Zone – Lifted
2/9/2026TBDOFO NoticeYes
Energy Transfer (EGT) Operational AlertWeather Alert2/19/20262/21/2026Weather AlertYes
Ameren IllinoisFlow OrderOperational Flow Order (OFO)2/18/20262/19/2026OFO NoticeYes
Piedmont (North and South Carolina)Flow OrderOperational Flow Order (OFO)2/21/20262/22/2026OFO NoticeYes
Tallgrass Gas Management System OutageNom Disruption2/25/202062/26/2026NoticeYes
Columbia Gas of Kentucky, Inc. (CKY)Flow OrderBalancing Service Interruption (BSI)3/1/20263/2/2026BSI NoticeNo
Southwest Gas CorporationFlow OrderOperational Flow Order (OFO)2/27/2026TBDOFO 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.