| Notice Issuer | Notice Type | Notice Description | Start Date | Expiration |
|---|
| Piedmont North Carolina & South Carolina | Flow Order | Operational Flow Order (OFO) | 6/30/2026 | TBD |
| Columbia Gas of Ohio, Inc. (COH) | Flow Order | Operational Flow Order (OFO) and Operational Matching Order (OMO) | 6/27/2026 | 6/29/2026 |
| Columbia Gas of Ohio, Inc. (COH) | Flow Order | Operational Flow Order (OFO) and Operational Matching Order (OMO) | 6/19/2026 | 6/22/2026 |
| Columbia Gas of Ohio, Inc. (COH) | Flow Order | Operational Flow Order (OFO) and Operational Matching Order (OMO) | 6/13/2026 | 6/15/2026 |
| Piedmont North Carolina & South Carolina | Flow Order | Operational Flow Order (OFO) | 6/11/2026 | TBD |
| Southwest Gas Corporation | Flow Order | Operational Flow Order (OFO) | 6/9/2026 | TBD |
| Columbia Gas of Ohio, Inc. (COH) | Flow Order | Operational Flow Order (OFO) and Operational Matching Order (OMO) | 6/5/2026 | 6/9/2026 |
| Colorado Interstate Gas (CIG) | Operational Alert | Strained Operation Condition(SOC) | 5/7/2026 | TBD |
| CSU | Operational Alert | Restricted Delivery Event (G4T Customers) | 5/6/2026 | 05/7/2026 |
| Columbia Gas of Ohio (COH) | Flow Order | Operational Flow Order (OFO) | 4/24/2026 | 4/27/2026 |
| Piedmont (North and South Carolina) | Flow Order | Operational Flow Order (OFO) | 4/18/2026 | TBD |
| CenterPoint Energy Indiana South (CEIN/Vectren) | Flow Order | Cold Operational Flow Order (OFO) | 04/18/2026 | 04/20/2026 |
| Tennessee Gas Pipeline (TGP) | Operational Alert | Operational Flow Order (OFO) | 04/13/2026 | TBD |
| Piedmont (North and South Carolina) | Flow Order | Operational Flow Order (OFO) | 4/11/2026 | TBD |
| Enable (MRT) | Operational Alert | System Protection Warning (SPW) | 3/19/2026 | TBD |
| Peoples Gas/NorthShore Gas | Flow Order | Critical Shortage Day | 3/16/2026 | 3/18/2026 |
| Wisconsin Electric Gas Operations (WEGO) | Flow Order | High Flow Constraint (HFC) | 3/16/2026 | 3/18/2026 |
| Wisconsin Gas | Flow Order | High Flow Constraint (HFC) | 3/16/2026 | 3/18/2026 |
| Wisconsin Public Service | Flow Order | High Flow Constraint (HFC) | 3/16/2026 | 3/18/2026 |
| Michigan Gas Utilites (MGU) | Flow Order | High Flow Constraint | 3/16/2026 | 3/18/2026 |
| Black Hills/Nebraska Gas Utility Company | Flow Order | MDQ | 3/13/2026 | 3/16/2026 |
| Columbia Gas of Kentucky, Inc. (CKY) | Flow Order | Balancing Service Interruption (BSI) | 3/10/2026 | 3/10/2026 |
| Liberty Utilities | Operational Alert | Curtailment of service (NGPL delivered to Jackson, Missouri) | 3/7/2026 | TBD |
| Columbia Gas of Kentucky, Inc. (CKY) | Flow Order | Balancing Service Interruption (BSI) | 2/28/2026 | 2/28/2026 |
| Southwest Gas Corporation | Flow Order | Operational Flow Order (OFO) | 2/27/2026 | TBD |
| Kinder Morgan-(TGP) | Flow Order | Operational Flow Order (Downgraded - 2/25) | 2/25/2026 | TBD |
| Tallgrass Gas Management | System Outage | Nom Disruption | 2/25/20206 | 2/26/2026 |
| Energy Transfer (EGT) | Operational Alert | Weather Alert | 2/19/2026 | 2/21/2026 |
| Ameren Illinois | Flow Order | Operational Flow Order (OFO) | 2/18/2026 | 2/19/2026 |
| Spire-Missouri | Operational Alert | Weather Alert | 2/15/2026 | 4/30/2026 |
| Enable (MRT) | Operational Alert | System Protection Warning (SPW) | 2/15/2026 | 4/30/2026 |
| Kinder Morgan (NGPL) | Flow Order | Operational Flow Order - Market Delivery Zone – Lifted | 2/9/2026 | TBD |
| Kinder Morgan (NGPL) | Flow Order | Operational Flow Order (OFO) | 2/5/2026 | TBD |
| DTE | Flow Order | Cold Weather Advisory | 2/3/2026 | TBD |
| CenterPoint Energy Indiana South (CEIN/Vectren) | Flow Order | Cold Operational Flow Order (OFO) - Lifted | 2/3/2026 | 2/9/2026 |
| Centerpoint Energy-CEIN North/Vectren | Flow Order | Operational Flow Order (Lifted) | 2/3/2026 | 2/9/2026 |
| Southern Star Pipeline | Operational Alert | Winter Weather Warning | 1/29/2026 | TBD |
| Memphis Light, Gas & Water (MLGW) | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Public Service Company of North Carolina (PSNC) | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Colorado Interstate Gas Company, L.L.C. | Flow Order | Strained Operating Flow (SOC) | 1/24/2026 | TBD |
| ANR & WI Utilities | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Piedmont Natural Gas -North Carolina & South Carolina (PNG) | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Piedmont Natural Gas of Tennessee | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Atmos Energy | Flow Order | Operational Flow Order (OFO) | 1/24/2026 | TBD |
| AlaTenn | Flow Order | Balancing Operational Flow Order (OFO) | 1/24/2026 | TBD |
| Liberty Utilities - Ozark | Flow Order | Operational Flow Order (OFO) | 1/23/2026 | TBD |
| Oklahoma Natural Gas (ONG) | Flow Order | Operational Flow Order (OFO) | 1/23/2026 | TBD |
| gFlow / Acadian Gas Pipeline, LLC (AGP) | Flow Order | Operational Flow Order (OFO) | 1/22/2026 | 2/22/2026 |
| Wisconsin Public Service | Flow Order | Operational Flow Order (OFO) - High Flow Constraint | 1/22/2026 | TBD |
| Wisconsin Electric Gas Operations | Flow Order | Operational Flow Order (OFO) - High Flow Constraint | 1/22/2026 | TBD |
| Wisconsin Gas LLC | Flow Order | Operational Flow Order (OFO) - High Flow Constraint | 1/22/2026 | TBD |
| DT Midstream / Guardian Pipeline, LLC | Flow Order | Operational Flow Order (OFO) | 1/22/2026 | 2/28/2026 |
| El Paso Natural Gas (EPNG) / Southwest Gas Corporation (SWG) | Flow Order | Strained Operating Condition (SOC) - Low Line Pack | 1/22/2026 | TBD |
| Natural Gas Pipeline (NGPL) | Flow Order | Operational Flow Order (OFO) | 1/22/2026 | TBD |
| Enable Mississippi River Transmission, LLC (MRT) | Force Majeure | Force Majeure Notice - SPW | 1/21/2026 | TBD |
| Tallgrass Interstate (TIGT) | Operational Alert | Weather Alert | 1/20/2026 | TBD |
| Michigan Gas Utilities (MGU) | Flow Order | High Flow Constraint (HFC) | 1/17/2026 | TBD |
| Enable Mississippi River Transmission, LLC (MRT) | Operational Alert | Northbound High Utilization SPW | 1/17/2026 | TBD |
| Natural Gas Pipeline (NGPL) | Operational Alert | Weather Advisory - System Wide | 1/15/2026 | 3/31/2026 |
| Natural Gas Pipeline (NGPL) | Flow Order | Operational Alert | 12/9/2025 | 3/31/2026 |
| Natural Gas Pipeline (NGPL) | Flow Order | Operational Alert | 12/9/2025 | 2/28/2026 |
| Symmetry Energy Solutions, L.L.C. | Customer Notice | Stay Informed this Winter | 12/1/2025 | 2/28/2026 |
