Name
Date From
Date to
Category
Run Type
Subject Category Run Type Affected period Created at Modified Status Workflow
Cancellation of SEM-GB IDA1 auction trading date 29/06/25 due to ELEXON Maintenance Semopx IDA 1 29/06/2025 30/06/2025 08:04 30/06/2025 08:27 Closed Approved
SEMOpx: ECC Clearing Circular No. 34: Trading Limit Changes MATS - 27 June 2025 Semopx 27/06/2025 14:10 30/06/2025 07:56 Closed Approved
SEMOpx: M7 Maintenance - Tuesday, 08th July 2025 Semopx 26/06/2025 14:25 30/06/2025 08:12 Closed Approved
SEMOpx - MATS Production: MATS Mandatory Actions before go-live Semopx 24/06/2025 13:14 25/06/2025 15:22 Closed Approved
R0 report Public Consultation - Share your views until Monday, 30 June 2025 Semopx 23/06/2025 10:06 23/06/2025 10:07 Closed Approved
SEMOpx - New Products Consultation Semopx 19/06/2025 12:06 19/06/2025 12:15 Closed Approved
SEMOpx Monthly Market Report - May 2025 Semopx 13/06/2025 13:19 13/06/2025 15:36 Closed Approved
*Update* SEMOpx: M7 Maintenance on Tuesday, 10 June 2025 Semopx 03/06/2025 16:04 10/06/2025 09:52 Closed Approved
ETS Production: Ad-Hoc System Maintenance - Today, 17th June 2025 Semopx 27/05/2025 14:34 17/06/2025 13:50 Closed Approved
SEMOpx Helpdesk: Monday, 02 June 2025 Semopx 26/05/2025 14:02 27/05/2025 14:31 Closed Approved
SDAC Member Testing Weekly Report: 12/05/2025 – 15/05/2025 Semopx 21/05/2025 15:02 21/05/2025 15:04 Closed Approved
SEMOPX: New Mandatory M7 Advanced Simulation (ASIM) ComTrader Version 6.19.89 - Friday, 16/05/2025 Semopx 16/05/2025 09:47 16/05/2025 09:54 Closed Approved
MCSC Revised Go-live Date for SDAC 15Min MTU (SEM DAM 30Min MTU) Semopx 14/05/2025 11:53 14/05/2025 11:55 Closed Approved
SDAC Member Testing Weekly Report : 05/05/2025 - 08/05/2025 Semopx 13/05/2025 11:13 16/05/2025 15:18 Closed Approved
Harmonisation of Maximum & Minimum Clearing Price Monitoring Period Information Semopx 13/05/2025 08:20 13/05/2025 08:22 Closed Approved
SEMOpx: M7 6.19 Release - Update Semopx 12/05/2025 16:16 04/06/2025 16:11 Closed Approved
SEMOpx M7 - New Mandatory ComTrader Version 6.18.114 Semopx 12/05/2025 11:37 12/05/2025 11:38 Closed Approved
SDAC Member Testing Weekly Report: 28/04/2025 – 01/05/2025 Semopx 09/05/2025 11:42 09/05/2025 11:48 Closed Approved
SEMOpx Monthly Market Report - April 2025 Semopx 08/05/2025 08:24 08/05/2025 08:25 Closed Approved
SEMOpx: ETS Technical Issue on Trading System Semopx 07/05/2025 07:27 08/05/2025 07:22 Closed Approved