The Market Rules consist of the latest approved Trading and Settlement Code, Agreed Procedures and any approved Modifications which have not yet been incorporated into the main body of the Code or the Agreed Procedures.
Codes and procedures
Click below to see full links to each part of the Trading and Settlement Code and Agreed Procedures.
Agreed Procedures Part A
- AP01: Participant and Unit Registration and Deregistration
- AP02: Interconnector User Capacity Right Calculation and Dispatch Notification
- AP03: Communication Channel Qualification
- AP04: Transaction Submission and Validation
- AP05: Data Storage and IT Security
- AP06: Data Publication and Data Reporting
- AP07: Emergency Communications
- AP09: Management of Credit Cover and Credit Default
- AP10: Settlement Reallocation
- AP11: Market System Operation, Testing, Upgrading and Support
- AP12: Modifications Committee Operation
- AP13: Query Generation
- AP14: Disputes
- AP15: Invoicing
- AP16: Provision of Metered Data
- AP17: Banking and Participant Payments
Agreed Procedures Part B
- AP01: Registration
- AP03: Communication Channel Qualification
- AP04: Transaction Submission and Validation
- AP05: Data Storage and IT Security
- AP06: Data Publication and Data Reporting
- AP07: Emergency Communications
- AP09: Management of Credit Cover and Credit Default
- AP10: Settlement Reallocation
- AP11: Market System Operation Testing Upgrading and Support
- AP12: Modifications Committee Operation
- AP13: Settlement Queries
- AP14: Disputes
- AP15: Settlement and Billing
- AP16: Provision of Meter Data
- AP17: Banking and Participant Payments
- AP18: Suspension and Termination
Proposals in effect on the baseline
It is important to note that a Modification may become effective before the published draft of the Code is amended to include the Modification. Please see Modification Proposals currently in effect on the baseline below.
| Mod ID | Title | Mod Status | Stage | Section Affected | Effective Date |
|---|---|---|---|---|---|
| Mod_12_19 | System Service Flag for Demand Site Units | RA Decision: Approved (Not Vetoed) | Active | T&SC Chapter F | 13/11/2019 |
| MOD_11_19 | Correction to the determination of COP and clarification of CNLR | RA Decision: Approved (Not Vetoed) | Active | T&SC Chapter F | 27/09/2019 |
| Mod_09_19 | Removal of Locational Constraints from Imbalance Pricing Calculation | RA Decision: Approved (Not Vetoed) | Active | Appendix N | 02/05/2019 |
| MOD_08_19 | Clarification to Intraday Quantity and Payment | RA Decision: Approved (Not Vetoed) | Active | T&SC Chapter F | 27/09/2019 |
| MOD_07_19 | Correction to No Load Cost - "and" vs "or" doc | RA Decision: Approved (Not Vetoed) | Active | T&SC Chapter F | 03/05/2019 |
| MOD_05_19 | Amendment to Uninstructed Imbalance Charge (CUNIMB) to correct for negative price scenarios
|
RA Decision: Approved (Not Vetoed) | Active | T&SC Chapter F,T&SC Glossary | 05/07/2019 |
| MOD_04_19 | Running indicative settlement on all days | RA Decision: Approved (Not Vetoed) | Active | Agreed Procedure 15,Agreed Procedure 16,T&SC Chapter G | 04/12/2019 |
| MOD_01_19 | Negative Interest Rates in SEM | RA Decision: Approved (Not Vetoed) | Active | Agreed Procedure 17,T&SC Section 6 | 02/05/2019 |
| Mod_33_18 | Update to Unit Under Test Process | RA Decision: Approved (Not Vetoed) | Active | Agreed Procedure 4,T&SC Appendix F,T&SC Chapter D,T&SC Glossary | 02/07/2019 |
Mod_12_19-SystemServiceFlagforDemandSideUnits.docx
Mod_12_19Slides.pptx
Mod_12_19DecisionLetter.pdf