In accordance with the provisions of the Trading and Settlement Code, the Modifications Committee exists to progress Modification Proposals with a view to better facilitating the achievement of the Code Objectives of efficiency, development, financial security, participation, competition, transparency and equity within the Market.

Modifications Committee

The Modifications Committee meets every two months in either Dublin or Belfast. The Committee is charged with the assessment of proposals submitted to them and making decisions on directions for development of the Market. The Committee has the ability to convene Working Groups or undertake public consultations to ensure appropriate consideration and impact assessment is undertaken prior to making any key decisions.  

The Modifications Committee Secretariat is responsible for the coordination and publication of information on meetings, Working Groups, consultations and other activities undertaken by the Committee. The Secretariat may be contacted via balancingmodifications@sem-o.com.

Use the link below to see the full calendar of scheduled meetings. Each meeting event containts the relevant agenda and minutes.

See the meetings calendar

Filter modifications by:


Mod IDTitleMod StatusStageSection AffectedEffective Date
Mod_24_19 Deferred Active Agreed Procedure 15,Section G
Mod_23_19 Deferred Active Section B,Section E,Section H
Mod_22_19 Recommended for Approval Active Section F
Mod_21_19 Recommended for Approval Active Section F
Mod_20_19 Recommended for Approval Active Section F
Mod_19_19 Recommended for Approval Active Section F
Mod_18_19 Recommended for Approval Active Section F
Mod_17_19 Recommended for Approval Active Section F,Section H
Mod_16_19 Recommended for Approval Active Section F,T&SC Glossary
Mod_15_19 Deferred Active Section B
Mod_14_19 Deferred Active Agreed Procedure 12,T&SC Chapter B,T&SC Glossary
Mod_13_19 Deferred Active
Mod_12_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter F 13/11/2019
MOD_11_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter F 27/09/2019
MOD_10_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter B
Mod_09_19 RA Decision: Approved (Not Vetoed) Active Appendix N 02/05/2019
MOD_08_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter F 27/09/2019
MOD_07_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter F 03/05/2019
MOD_05_19 RA Decision: Approved (Not Vetoed) Active T&SC Chapter F,T&SC Glossary 05/07/2019
MOD_04_19 RA Decision: Approved (Not Vetoed) Active Agreed Procedure 15,Agreed Procedure 16,T&SC Chapter G 04/12/2019
MOD_03_19 Recommended for Approval Active T&SC Chapter E
MOD_01_19 RA Decision: Approved (Not Vetoed) Active Agreed Procedure 17,T&SC Section 6 02/05/2019
Mod_38_18 RA Decision: Recommended for Rejection Active T&SC Chapter F
Mod_33_18 RA Decision: Approved (Not Vetoed) Active Agreed Procedure 4,T&SC Appendix F,T&SC Chapter D,T&SC Glossary 02/07/2019
MOD_03_18 Recommended for Approval Active T&SC Chapter G