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 Modifications 

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 The Trading and Settlement Code Modifications Committee is the forum for considering change to the Trading and Settlement Code. The Modifications Committee meets every 2 months. Details of all scheduled meetings can be found on the Market Development calendar.

The 2015 calender of Modification events is available for download at this link.






Mod ID Title Mod Status Stage Section Affected Effective Date
MOD_01_15 Tolerance for Metered Volume changes in Settlement Queries RA Decision: Approved (Not Vetoed) Active Agreed Procedure 16 06/03/2015
MOD_16_14 DSUs as Predictable Price Takers Deferred Active T&SC Section 5; T&SC Appendix I  
MOD_15_14 (Mod_12_14) Amendment to Make Whole Mechanism to remove Settlement Periods of simultaneous import and export flows Recommended For Rejection Active T&SC Section 4  
MOD_14_14 (Mod_11_14) Pay-As-Bid/Paid-As-Bid for Interconnector Units Recommended For Rejection Active T&SC Section 5  
MOD_13_14 (Mod_10_14) Make Whole Payments for Interconnector Units Recommended For Rejection Active T&SC Section 4  
MOD_12_14 (Mod_09_14) Amendment to Make Whole Payments for Interconnector Units Recommended for Approval Active T&SC Section 4  
MOD_10_14 (Mod_08_14) Clarification of Location of SEM Collateral Reserve Accounts Deferred Active T&SC Section 6  
MOD_12_13 Amendment to Special Units Pumped Storage definition to include Energy Storage Recommended for Approval Active T&SC Section 2; T&SC Section 4; T&SC Section 5; T&SC Appendix H; T&SC Appendix I; T&SC Appendix M; T&SC Appendix N; T&SC Appendix O; T&SC Glossary  
MOD_02_13 Registration of Charges Deferred Active T&SC Section 1; T&SC Section 6  
MOD_21_12 Amendment to Available Transfer Capacity (ATC) definition RA Decision: Further review required Active T&SC Section 5; T&SC Appendix K  
MOD_11_12 Proposal to extend the definition of Special Units to include Compressed Air Energy Storage. Deferred Active T&SC Section 5  
MOD_18_11 Definition of ‘Availability’ Recommended for Approval Active T&SC Glossary
 

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