| Imbalance Price Outage         | 
                                                                      Balancing         | 
                                                                      Imbalance Pricing         | 
                                                                      23/09/2025         | 
                                                                      16/09/2025 10:58         | 
                                                                      25/09/2025 08:41         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Amber Alert Notification         | 
                                                                      Balancing         | 
                                                                      N/A         | 
                                                                               | 
                                                                      15/09/2025 21:29         | 
                                                                      19/09/2025 11:43         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Imbalance Price Outage         | 
                                                                      Balancing         | 
                                                                      Imbalance Pricing         | 
                                                                      22/09/2025         | 
                                                                      15/09/2025 12:20         | 
                                                                      25/09/2025 08:41         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Settlement Documents         | 
                                                                      Settlement         | 
                                                                      N/A         | 
                                                                               | 
                                                                      12/09/2025 09:12         | 
                                                                      12/09/2025 09:15         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Strike Price for Billing Week 14/09/2025 - 20/09/2025          | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      11/09/2025 14:14         | 
                                                                      11/09/2025 14:16         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Revised Weekly Constraints Update         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      10/09/2025 15:25         | 
                                                                      10/09/2025 15:27         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | No Participant Call - Thursday, 11th September 2025         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      10/09/2025 13:02         | 
                                                                      10/09/2025 13:03         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | *Cancelled* Balancing Market Outage – Wednesday 17th September 2025         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      10/09/2025 11:50         | 
                                                                      17/09/2025 09:09         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | List of Secondary Trades Website Publication          | 
                                                                      Capacity         | 
                                                                               | 
                                                                               | 
                                                                      10/09/2025 08:44         | 
                                                                      10/09/2025 08:51         | 
                                                                      Open         | 
                                                                      Approved         | 
          
      
                                                                      | M+13 Re-Settlement Statements         | 
                                                                      Settlement         | 
                                                                      M13 (Settlement)         | 
                                                                      11/08/2024 - 17/08/2024         | 
                                                                      09/09/2025 12:43         | 
                                                                      09/09/2025 12:43         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | M+4 Re-Settlement Statements         | 
                                                                      Settlement         | 
                                                                      M4 (Settlement)         | 
                                                                      11/05/2025 – 17/05/2025         | 
                                                                      09/09/2025 12:41         | 
                                                                      09/09/2025 12:42         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Imbalance Price Outage         | 
                                                                      Balancing         | 
                                                                      Imbalance Pricing         | 
                                                                      16/09/2025         | 
                                                                      09/09/2025 10:28         | 
                                                                      16/09/2025 14:05         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | MO Invoice Publication         | 
                                                                      Settlement         | 
                                                                      N/A         | 
                                                                               | 
                                                                      09/09/2025 09:20         | 
                                                                      09/09/2025 09:27         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Future Power Market Industry Workshop - Wednesday, 17th of September 2025         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      08/09/2025 10:28         | 
                                                                      08/09/2025 11:05         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Settlement Documents         | 
                                                                      Settlement         | 
                                                                      N/A         | 
                                                                               | 
                                                                      05/09/2025 09:06         | 
                                                                      05/09/2025 09:07         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | Capacity Market Platform Outage Information         | 
                                                                      Capacity         | 
                                                                               | 
                                                                               | 
                                                                      05/09/2025 07:52         | 
                                                                      05/09/2025 07:52         | 
                                                                      Open         | 
                                                                      Approved         | 
          
      
                                                                      | Strike Price for Billing Week 07/09/2025 - 13/09/2025         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      04/09/2025 14:23         | 
                                                                      04/09/2025 14:28         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      | System Non-Synchronous Penetration (SNSP) Calculation Update         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      03/09/2025 14:53         | 
                                                                      08/09/2025 11:02         | 
                                                                      Closed         | 
                                                                      Approved         | 
          
      
                                                                      |  2029/2030 T-4 Qualification Application Date Submission End (Qualification Gate Close)         | 
                                                                      Capacity         | 
                                                                               | 
                                                                               | 
                                                                      03/09/2025 11:28         | 
                                                                      03/09/2025 11:28         | 
                                                                      Open         | 
                                                                      Approved         | 
          
      
                                                                      | 2025-2026 SEMO Charging Statement         | 
                                                                      Balancing         | 
                                                                               | 
                                                                               | 
                                                                      03/09/2025 08:25         | 
                                                                      03/09/2025 08:26         | 
                                                                      Closed         | 
                                                                      Approved         |