The June 2023 SEC Release, which went live on 29 June 2023, contained DCC System impacting changes arising from SEC Modification Proposals. The following modifications were in scope:
| Modification Number | Modification Name | Stage | Implementation Date | Last Updated |
|---|---|---|---|---|
| MP229 | Notification of material change to User Systems to include decommissioning | Implemented | 29/06/2023 | 25/03/2025 |
| MP220 | MMC Changes resulting from GBCS v4.1 Device Testing | Implemented | 29/06/2023 | 06/02/2025 |
| MP222 | CPL submission efficiency improvements | Implemented | 29/06/2023 | 06/02/2025 |
| MP214 | Clarification of Acceptable DCC User IDs for Import and Export Suppliers | Implemented | 29/06/2023 | 14/02/2025 |
| MP215 | Communications Hub Ordering and Forecasting | Implemented | 29/06/2023 | 06/02/2025 |
| MP183 | Post Commissioning Obligations Reporting | Implemented | 29/06/2023 | 29/08/2025 |
| MP128A | Gas Network Operators SMKI Requirements | Implemented | 29/06/2023 | 12/08/2025 |
| MP125 | Correcting Device Information for the ESME Variant | Implemented | 29/06/2023 | 25/03/2025 |
| MP102B | Power Outage Alerts triggered by an OTA firmware upgrade – enduring solution | Implemented | 29/06/2023 | 03/03/2025 |