MRT Planned Service Outages

                                                                                                                                                                                                                                                    
                                                                                                                                                                                                                                                 
 TSP:                                     006968077                                                                                                                                                                                                       
 TSP Name:                                ENABLE MISSISSIPPI RIVER TRANSMISSION, LLC                                                                                                                                                                      
 Critical Notice Description:             Not a critical notice                                                                                                                                                                                           
 Notice Effective Date:                   03/12/2025                                                                                                                                                                                                      
 Notice Effective Time:                   11:25                                                                                                                                                                                                           
 Notice End Date:                         00/00/0000                                                                                                                                                                                                      
 Notice End Time:                         00:00                                                                                                                                                                                                           
 Notice Identifier:                       5196                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Planned Service Outage                                                                                                                                                                                          
 Posting Date/Time:                       03/12/2025 11:17                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 PLANNED SERVICE OUTAGES                                                                                                                                                                                         
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
  Start Date    End Date                         Title                                         Location                                    Maintenance                   Impact       SPW                                                                 
   3/3/2025     4/7/2025   Perryville Station Unit 6 (PLC / Wiring / End Devi              Pipe - Perryville                           Regular Maintenance                  1                                                                             
   3/10/2025    3/14/2025       Carlisle Station Units 1,2,6,7 (B-probe)                    Carlisle Station                           Regular Maintenance                  1                                                                             
   3/13/2025    3/13/2025              Emission Testing Units 6&7                        Fountain Hill Station                          Emissions Testing                   1                                                                             
   3/13/2025    3/15/2025   Perryville Station Turbine (Semi Annual Maintenan              Pipe - Perryville                           Annual Maintenance                   7                                                                             
   3/18/2025    3/20/2025            Pigging ST Jacob storage field                         Pipe - St. Jacob                              Cleaning Pig                      1                                                                             
   3/25/2025    3/28/2025                  Biocide Treatment                                Pipe - St. Jacob                           Regular Maintenance                  1                                                                             
   4/1/2025     4/1/2025     ML2 cleaning pig run (Carlisle to West Point)                  Pipe - Carlisle                               Cleaning Pig                      1                                                                             
   4/2/2025     4/2/2025     ML3 cleaning pig run (Carlisle to West Point)                  Pipe - Carlisle                               Cleaning Pig                      1                                                                             
   4/8/2025     4/9/2025             ML-2 Red river to White river                           Pipe - Biggers                               Cleaning Pig                      1                                                                             
   4/9/2025     4/9/2025              ML-3 West Point to Tuckerman                         Pipe - West Point                              Cleaning Pig                      1                                                                             
   4/15/2025    4/30/2025         Ft Hill Line (Gate 39 Valve Repairs)                    Pipe - Fountain Hill                          Valve Maintenance                   1                                                                             
   4/21/2025    4/22/2025  Bi Annual ML2 Cleaning Pig (Glendale To Fountain H             Pipe - Fountain Hill                            Cleaning Pig                      1                                                                             
   4/22/2025    4/22/2025  Bi Annual ML3 Cleaning Pig (Glendale To Fountain H             Pipe - Fountain Hill                            Cleaning Pig                      1                                                                             
   4/22/2025    4/22/2025             Biggers Bi-Annual Borescope                           Biggers Turbine                            Annual Maintenance                   1                                                                             
   4/23/2025    4/23/2025            Tuckerman Bi-Annual Borescope                         Tuckerman Turbine                           Annual Maintenance                   1                                                                             
   4/23/2025    4/23/2025  Bi Annual Cleaning Pig ML2 (Fountain Hill to Perry             Pipe - Fountain Hill                            Cleaning Pig                      1                                                                             
   4/24/2025    4/25/2025  Bi Annual Cleaning Pig ML3 (Fountain Hill to Perry             Pipe - Fountain Hill                            Cleaning Pig                      1                                                                             
   4/29/2025    4/30/2025   Westline Dixie to Red River and River Crossings                  Pipe - Buckley                               Cleaning Pig                      1                                                                             
   4/30/2025    5/1/2025               Westline Red River to MP51                            Pipe - Buckley                               Cleaning Pig                      1                                                                             
   5/1/2025     5/2/2025              Unionville to Perryville Pig                         Pipe - Unionville                              Cleaning Pig                      1                                                                             
   5/5/2025     5/6/2025              T-1 Line East Unionville Pig                         Pipe - Unionville                              Cleaning Pig                      1                                                                             
   5/5/2025     5/6/2025              T-2 Line East Unionville Pig                         Pipe - Unionville                              Cleaning Pig                      1                                                                             
   5/6/2025     5/8/2025               Miss River to Col ML2 Pig                                Columbia                               ILI Pigging Project                  1                                                                             
   5/6/2025     5/21/2025       Unionville Storage (Spring EOS Shut In)                        Unionville                              Regular Maintenance                  1                                                                             
   5/12/2025    5/13/2025                 Ft Hill Station PLC                            Fountain Hill Station                         Regular Maintenance                  1                                                                             
   5/15/2025    5/17/2025            12 Mile to Miss River ML2 Pig                         Pipe - Twelve Mile                          ILI Pigging Project                  1                                                                             
   5/20/2025    5/20/2025          ML3 ILI run Carlisle to West Point                       Pipe - Carlisle                            ILI Pigging Project                  1                                                                             
   5/27/2025    5/28/2025  Bi Annual Cleaning Pig FHL (Fountain Hill to Union             Pipe - Fountain Hill                            Cleaning Pig                      1                                                                             
   8/4/2025     9/5/2025               Air Starters on Units 6&8                         Fountain Hill Station                                Other                         1                                                                             
  10/14/2025   10/15/2025                    Pigging A-142                                   Pipe - Buckley                               Cleaning Pig                      1                                                                             
  10/21/2025   10/22/2025   Westline Dixie to Red River and River Crossings                  Pipe - Buckley                               Cleaning Pig                      1                                                                             
  10/22/2025   10/23/2025          Westline Red River to MP51 pigging                        Pipe - Buckley                               Cleaning Pig                      1                                                                             
                                                                                                                                                                                                                                                          
 1.  No capacity impact is expected at this time.                                                                                                                                                                                                         
 2.  Coordinating with necessary loads.                                                                                                                                                                                                                   
 3.  Based on historical and current throughput, no capacity impact is expected.  In the event nominations increase significantly, restrictions may become necessary.                                                                                     
 4.  Coordinating maintenance with interconnecting pipe to minimize customer impact.  No capacity impact is expected at this time; however, if operating conditions change, affected parties                                                              
 5.  Affected production notified of shut-in during work.                                                                                                                                                                                                 
 6.  Customers may experience pressure fluctuations, but no capacity impact is anticipated.                                                                                                                                                               
 7.  Based upon customer nominations, restrictions may become necessary.                                                                                                                                                                                  
 8.  Based on all available information, capacity will be impacted.  Capacity reductions will be done in accordance with the provisions of MRT's tariff regarding scheduling and interruption                                                             
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