TSP:                                     006968077                                                                                                                                                                                                       
 TSP Name:                                ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC                                                                                                                                                                      
 Critical Notice Description:             Critical notice                                                                                                                                                                                                 
 Notice Effective Date:                   02/10/2025                                                                                                                                                                                                      
 Notice Effective Time:                   12:50                                                                                                                                                                                                           
 Notice End Date:                         00/00/0000                                                                                                                                                                                                      
 Notice End Time:                         00:00                                                                                                                                                                                                           
 Notice Identifier:                       5167                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Operational Alert                                                                                                                                                                                               
 Posting Date/Time:                       02/10/2025 12:45                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 LINE A-180 SPW                                                                                                                                                                                                  
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Enable Mississippi River Transmission, LLC ( MRT ) is issuing this System Protection                                                                                                                                                                     
 Warning ( SPW ) effective immediately as of February 10, 2025, and continuing until                                                                                                                                                                      
 further notice to inform Shippers utilizing MRT s Line A-180 (Delivery Points 90225 and                                                                                                                                                                  
 90065) that MRT is experiencing significant non-ratable gas flows and hourly deliveries in                                                                                                                                                               
 excess of contract limitations and capacity of MRT s Line A-180 jeopardizing A-180 s                                                                                                                                                                     
 service reliability.  Shippers utilizing Line A-180 and Delivery Points 90255 and 90065 are                                                                                                                                                              
 reminded that MRT s Tariff requires that Shippers, with the exception of Shippers taking                                                                                                                                                                 
 service under Rate Schedule NNT, take gas from the MRT system at their delivery points at                                                                                                                                                                
 uniform hourly rates.  MRT s Tariff further requires that these Shippers:  (a) nominate                                                                                                                                                                  
 receipts and deliveries that are equal in quantity (exclusive of Fuel Use and LUFG); (b) keep                                                                                                                                                            
 receipts and deliveries in balance; and (c) conform receipts and deliveries to Scheduled                                                                                                                                                                 
 Quantities.  Due to the threat of Line A-180 s reliability resulting from the non-ratable gas                                                                                                                                                            
 flows and hourly deliveries in excess of contract limitations and capacity on MRT s Line A-                                                                                                                                                              
 180, MRT is requiring all Shippers utilizing MRT s Line A-180 that are not taking service                                                                                                                                                                
 under Rate Schedule NNT to abide by the requirements noted above and the terms of their                                                                                                                                                                  
 transportation agreements with MRT.                                                                                                                                                                                                                      
 Failure to comply with this SPW may result in Shippers being issued an individual OFO. This                                                                                                                                                              
 SPW shall constitute prior notice under MRT s Tariff that an OFO may be imminent.                                                                                                                                                                        
 Nominations will be confirmed and scheduled in accordance with MRT s Tariff. This SPW                                                                                                                                                                    
 will be updated as circumstances warrant.                                                                                                                                                                                                                
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
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