Balancing Market Modifications

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

Balancing Market Modifications Committee 2025 Meetings Schedule

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Mod ID	Title	Mod Status	Stage	Section Affected	Effective Date	Publication Date
Mod_01_25	Synchronous Condensers SDP_06 Mod_01_25SynchronousCondenserSDP_06	Deferred	Active	Section B, Section D, T&SC Appendix I, T&SC Appendix O, T&SC Glossary		23/01/2025
Mod_07_24	Introduction to TEG Activation Compensation Payment Mod_07_24IntroductionofTEGActivationCompensationPayment 07_24-IntroductionofTEGActivationCompensationPayment Mod_07_24IntroductionofTEGActivationCompensationPaymentv2 ModsCommittee126-Mod_07_24IntroductionofTEGActivationCompensationPaymentv2 Mod_07_24 Final Recommendation Report.pdf	Recommended For Rejection	Active	Section F		04/10/2024
Mod_06_24	SEMO preparatory actions for ART13.7 CEP Mod_06_24SEMOpreparatoryactionsforART13.7CEP FRRMOD_06_24 Mod_06_24RADecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section H	01/10/2024	16/09/2024
Mod_05_24	Clarification of Start Up Payment Conditions Mod_05_24ClarificationofStartUpPaymentConditions Mod_05_24Presentation Mod_05_24RADecisionLetter FRRMod_05_24v2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	23/08/2024	06/06/2024
Mod_04_24	SEMO Housekeeping 2024 Mod_04_24SEMOHousekeeping2024 Mod_04_24RADecisionLetter FRRMOD_04_24v2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B	23/08/2024	06/06/2024
Mod_03_24	Update of Difference Charge Calculation Logic Mod_03_24UpdateofDifferenceChargeCalculationLogic Mod_03_24-Presentation Mod_03_24WithdrawalNotification	Withdrawn	Closed	Section F		31/05/2024
Mod_02_24	SDP_02 Battery Integration V3 Mod_02_24SDP_02ModsProposal_V3 Mod_02_24Part-B-Agreed-Procedure-4_Tracked_V03 Mod_02_24Part-B-Agreed-Procedure-1_Tracked_V03 Mod_02_24TSC-Part-B-Glossary_Tracked_V03 Mod_02_24TSC-Part-B-Appendices_Tracked_V03 Mod_02_24TSC-Part-B_Tracked_V03 Mod_02_24-Presentation FRRMOD_02_24version2.0 Mod_02_24DecisionLetter OverviewofSDPSolutionforBatteryUnits	RA Decision: Approved (Not Vetoed)	Active	Agreed Procedure 1, Agreed Procedure 4, Section B, Section D, Section F, T&SC Appendix H, T&SC Appendix I, T&SC Appendix O, T&SC Glossary		09/04/2024
Mod_01_24	Inclusion of Difference Charges in Calculation of Make Whole Payment Revenue Mod_01_24InclusionofDifferenceChargesinCalculationofMakeWholePaymentRevenuev1.1 Mod_01_24InclusionofDifferenceChargesinCalculationofMakeWholePaymentRevenue Mod_01_24InclusionofDifferenceChargesinCalaculationofMakeWholePayment-presentation Mod_01_24WithdrawalNotification	Withdrawn	Closed	Section F		09/04/2024
Mod_13_23	SDP_01 Treatment of Non-Priority Dispatch Renewables Mod_13_23SDP_01TreatmentofNon-PriorityDispatchRenewables Mod_13_23TSC-Part-B_TrackedChanges Mos_13_23TSC-Part-B-AppendicesTrackedChanges Mod_13_23TSC-Part-B-GlossaryTrackedChanges TSC-Part-B_Tracked_V02 Mod_13_23EirGridSDP_01-ModificationCommitteePresentation Mod_13_23SDP_01TreatmentofNon-PriorityDispatchRenewablesv2 TSC-Part-B_Tracked_V02 TSC-Part-B-Appendices_V02 TSC-Part-B-Glossary_V02 EirGridSDP_01-ModificationCommitteePresentation8Feb2024 FRRMOD_13_23version2.0	Recommended for Approval	Active	Section D, Section F, T&SC Appendix E, T&SC Appendix I, T&SC Appendix K, T&SC Appendix O, T&SC Glossary		22/11/2023
Mod_12_23	Extension to Timing for Execution of Deeds Mod_12_23ExtensiontoTimingforExecutionofDeeds Mod_12_23ExtensiontoTimingforExecutionofDeedsPresentation Mod_12_23WithdrawalNotification	Withdrawn	Closed	Agreed Procedure 1		22/11/2023
Mod_11_23	SDP_02 Battery Integration Mod_11_23EirGridSDP_02-ModificationCommitteePresentation Mod_11_23SDP_02ModsProposal Mod_11_23TSC-Part-BTrackedChanges Mod_11_23TSC-Part-B-AppendicesTrackedChanges Mod_11_23TSC-Part-B-GlossaryTrackedChanges Mod_11_23Part-B-Agreed-Procedure-1-RegistrationTrackedChanges Mod_11_23Part-B-Agreed-Procedure-4-Transaction-Submission-and-ValidationTrackedChanges Mod_11_23CMA_005A-SDP_02CodeChanges-PlainEnglishDescription Mod_11_23-Presentation Mod_11_23SDP_02ModsProposal_V2 Mod_11_23v2TSC-Part-B-Appendices_TrackedChanges Mod_11_23v2TSC-Part-B-Glossary_TrackedChanges Mod_11_23Part-B-Agreed-Procedure-1_TrackedChanges Mod_11_23v2Part-B-Agreed-Procedure-4_TrackedChanges Mod_11_23EirGridSDP_02-ModificationCommitteePresentation Mod_11_23EirGridSDP_02-ModificationCommitteePresentation TSC-Part-B_Tracked_V02 FRRMOD_11_23version2.0 Mod_11_23-RADecisionLetter	RA Decision: Recommended for Rejection	Closed	Section B, Section D, Section F, T&SC Appendix I, T&SC Appendix O, T&SC Glossary		06/10/2023
Mod_10_23	Market Compensation for Firm Curtailment Look Back period Mod_10_23MarketCompensationforFirmCurtailmentLookBackperiod Mod_10_23-Presentation FRRMOD_10_23version2.0	Recommended for Approval	Active	Section H		05/10/2023
Mod_09_23	Correction to the calculation of SDPIMB Mod_09_23CorrectiontothecalculationofSDPIMB MOD_09_23CorrectiontothecalculationofSDPIMB-slides FRRMOD_09_23version2.0 Mod_09_23DecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section G	21/12/2023	02/10/2023
Mod_08_23	Archiving Part A and C of the TSC Mod_08_23ArchivingPartAandCoftheTSC RADecisionLetteronMod_08_23 FRRMOD_08_23version2.0	RA Decision: Approved (Not Vetoed)	Closed		30/07/2024	09/06/2023
Mod_07_23	Collection of Monies M+4 Update Mod_07_23CollectionofMoniesM4Update Mod_07_23Presentation RADecisionLetteronMod_07_23 FRRMOD_07_23version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section G	28/07/2023	08/06/2023
Mod_06_23	SEMO Housekeeping 2023 Mod_06_23SEMOHousekeeping2023 RADecisionLetteronMod_06_23 FRRMOD_06_23version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 4, Section F, T&SC Glossary	28/07/2023	08/06/2023
Mod_05_23	Market Compensation for Firm Curtailment Mod_05_23MarketCompensationforFirmCurtailment FRRMOD_05_23version2.0 Mod_05_23DecisionLetter Mod_05_23UpdatedRADecisionLetter	RA Decision: Approved (Not Vetoed)	Active	Section F, Section G, T&SC Glossary		06/04/2023
Mod_04_23	Modification Proposal to implement SEMC Decision SEM-23-029 Mod_04_23ModificationProposaltoImplementSEMCDecisionSEM-23-029 Mod_04_23ModificationProposaltoImplementSEMCDecisionSEM-23-029v2 FRRMOD_04_23version2.0 Mod_04_23DecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section F, T&SC Appendix K, T&SC Glossary	04/07/2023	06/04/2023
Mod_03_23	Modify SEMO timing sending Settlement Query to external Data Provider Mod_03_23ModifySEMOtimingsendingSettlementQuerytoextendDataProvider Mod_03_23ModifySEMOtimingsendingSettlementQuerytoExternalDataProvider-Slides Mod_03_23AgreedProcedureNotification1.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 13	22/05/2023	04/04/2023
Mod_02_23	DSU Energy Payments Mod_02_23DSUEnergyPayments FRRMOD_02_23version2.0	Recommended for Approval	Active	Agreed Procedure 1, Section B, Section F, Section G, Section H		09/02/2023
Mod_01_23	Remuneration of Commissioning Unit Mod_01_23RemunerationofCommissioningUnit ModsCommitteeSlides-RemunerationfoCommissioningUnit 01_23IndustryCall-Minutes Mod_01_23RemunerationofCommissioningUnitv2 Mod_01_23CommissioningModificationv3.0 Mod_01_23legaldraftingAP04 FRRMOD_01_23version2.0 Mod_01_23-DecisionLetter	RA Decision: Recommended for Rejection	Closed	Section D		08/02/2023
Mod_18_22	Mitigating risks of settlement of units running on secondary fuel in security of supply scenarios Mod_18_22Mitigatingrisksofsettlementofunitsrunningonsecondaryfuelinsecurityofsupplyscenarios Mod_18_22IndustryCallminutes Mod_18_22WithdrawalNotification	Withdrawn	Closed			18/11/2022
Mod_17_22	System Action Repricing Mod_17_22SystemActionRepricing Mod_17_22Presentation Mod_17_22SystemActionRepricingv2 Mod_17_22SSEV2Mod_dataSystemActionRepricing SSEV2ModreSystemActionRepricingandDataAnalysis Mod_17_22Presentation FRRMOD_17_22version2.0 Mod_17_22-DecisionLetter	RA Decision: Approved (Not Vetoed)	Active	Section E		18/11/2022
Mod_16_22	SEMO Housekeeping 2022 Mod_16_22SEMOHousekeeping2022 FRRMOD_16_22version2.0_ DecisionLetteronMod_16_22	RA Decision: Approved (Not Vetoed)	Closed	Section D, Section E, Section F, Section G, T&SC Glossary	14/12/2022	06/10/2022
Mod_15_22	Timelines for Processing Letters of Credit Mod_15_22TimelinesforProcessingLettersofCredit Mod_15_22-TimelinesforProcessingLettersofCreditV2 Mod_15_22AgreedProcedureNotification	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 9	20/01/2023	06/10/2022
Mod_14_22	Removal of the requirement to post De-registration Consent Orders Mod_14_22RemovalofRequirementtopostDeregistrationConsentOrders Mod_14_22AgreedProcedureNotification	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 18	28/11/2022	06/10/2022
Mod_13_22	Bidirectional Imperfections Charge Factor Modification Mod_13_22BidirectionalImperfectionsChargeFactorModification Mod_13_22BidirectionalImperfectionsChargeFactor-slides Mod_13_22DecisionLetter FRRMOD_13_22version2.0 Mod_13_22BidirectionalImperfectionsChargeFactor	RA Decision: Approved (Not Vetoed)	Closed	Section F	24/01/2023	03/10/2022
Mod_12_22	Extension of System Service Flag to cover Replacement Reserve Resources Mod_12_22ExtensionofSystemServiceFlagtocoverReplacementReserveResources Mod_12_22ExpansionofFSStoincludeunitsprovidingReplacementReserve Mod_12_22DecisionLetter FRRMOD_12_22version2.0	RA Decision: Approved (Not Vetoed)	Closed		23/11/2022	13/09/2022
Mod_11_22	Permitting the use of email to communicate credit cover changes on Demand Guarantees Mod_11_22PermittingemailtocommunicatechangesonDemandGuarantees Mod_11_22PermittingemailtocommunicatechangesonDemandGuaranteesv2 Mod_11_22DecisionLetter FRRMOD_11_22version2.0 Part-B-Agreed-Procedure-9-Management-of-Credit-Cover-and-Credit-DefaultMarkUpv1.0(002)	RA Decision: Approved (Not Vetoed)	Closed	Section E	04/11/2022	24/08/2022
Mod_10_22	Strike Price Volatility Modifier Mod_10_22StrikePriceVolatilityModifier Mod_10_22-StrikePriceVolatilityModifier Mod_10_22WithdrawalNotification	Withdrawn	Closed	Section F		24/08/2022
Mod_09_22	Exclusion of Difference Charges During Non-Ro Events Mod_09_22-ExclusionofDifferenceChargesDuringNon-ROEvents Mod_09_22-ExlusionofDifferencePaymentsDuringNon-ROEvents Mod_09_22-IndustryCallPresentation-v2 Mod_09_22SupportingNote Mod_09_22IndustryCallMinutes FRRMOD_09_22version2.0 FRRMOD_09_22version3.0 DecisionLetteronMod_09_22	RA Decision: Recommended for Rejection	Closed	Section F	12/12/2022	02/06/2022
Mod_08_22	Weekly Strike Price Calculation Mod_08_22-WeeklyStrikePriceCalculation Mod_08_22-WeeklyStrikePriceCalculation FRRMOD_08_22version2.0 Mod_08_22-WeeklyStrikePriceCalculation Mod_08_22DecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section F	17/08/2023	02/06/2022
Mod_07_22	Indexation to Calculation of Capacity Payments for New Capacity Mod_07_22-IndexationtoCalculationofCapacityPaymentsforNewCapacity Mod_07_22IndustryCallMinutes Mod_07_22CapacityModificationsWorkshop Mod_07_22-IndexationtoCalculationofCapacityPaymentsforNewCapacityv2 Mod_07_22-IndexationtoCalculationofCapacityPaymentsv3 Mod_07_22-IndexationtoCapacityPaymentCalculationforNewCapacity Mod_07_22-Presentation2 Mod_07_22-Presentation3 Mod_07_22IndustryCallPresentation-Tynagh Mod_07_22IndustryCallMinutes FRRMOD_07_22version2.0 Mod_07_22DecisionLetter	RA Decision: Recommended for Rejection	Closed	Section F	19/03/2024	02/06/2022
Mod_06_22	Housekeeping Alignment Modification Mod_06_22HousekeepingAlignmentModification Mod_06_22HousekeepingAlignmentModificationv2 Mod_06_22HousekeepingAlignmentModificationv2 Mod06_22Slides Mod_06_22WithdrawalNotification	Withdrawn	Closed	Section E		02/06/2022
Mod_05_22	SEMO Performance Reporting Frequency FRRMOD_05_22version2.0 Mod_05_22DecisionLetter Mod_05_22SEMOPerformanceReportingFrequency	RA Decision: Approved (Not Vetoed)	Closed	Section B, T&SC Appendix E	02/09/2022	02/06/2022
Mod_04_22	Alternatives to LIBOR Mod_04_22AlternativestoLIBOR Mod_04_22AlternativestoLIBOR Mod_04_22DecisionLetter FRRMOD_04_22version2.0 RevisedDecisionLetteronMod_04_22	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, T&SC Glossary	11/03/2022	04/02/2022
Mod_03_22	Collection of Monies Mod_03_22-CollectionofMonies Mod_03_22CollectionofMoniesv2 Mod_03_22Presentation Mod_03_22DecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section G	14/03/2022	28/01/2022
Mod_02_22	Cost Recovery when Under Test Mod_02_22-CostRecoverywhenUnderTest Mod_02_22-CostRecoverywhenUnderTestV2 DecisionLetteronMod_02_22 FRRMOD_02_22version2.0 TSCModProposal-CostRecoverywhenUnderTestV2(updatedwithF.11.4.2drafting) Mod_02_22-CostRecoverywhenUnderTestV3	RA Decision: Recommended for Rejection	Closed	Section D, Section F	12/12/2022	02/06/2022
Mod_01_22	Balance Surety_Demand Guarantee Mod_01_22BalancingSurety_DemandGuarantee Mod_01_22PartBAP17FinalLegalDrafting Mod_01_22PartBGlossaryFinalLegalDrafting Mod_01_22DemandGuaranteePresentation Mod_01_22PartBAppendicesFinalLegalDrafting Mod_01_22PartBAP09FinalLegalDrafting Mod_01_22PartBAP15FinalLegalDrafting Mod_01_22PartBTradingandSettlementCodeFinalLegalDrafting DecisionLetteronMod_01_22 FRRMOD_01_22version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section G, T&SC Appendix A, T&SC Glossary	16/05/2022	28/01/2022
Mod_21_21	Undo Instruction Scenario 4 Mod_21_21UndoInstructionScenario4 Mod_21_21DecisionLetter FRRMOD_21_21version3.0 MOD_20_21andallundoscenarios	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix O	04/11/2022	18/11/2021
Mod_20_21	Undo Instruction Scenario 2 Mod_20_21UndoInstructionScenario2 MOD_20_21andallundoscenarios MOD_20_21andallundoscenarios MOD_20_21andallundoscenarios-overpymentexample Mod_20_21DecisionLetter FRRMOD_20_21version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix O	14/03/2022	18/11/2021
Mod_19_21	Modification re Publication of Information by SEMO Mod_19_21ModificationrePublicationofInformationbySEMO Mod_19_21RADecisionLatter FRRMOD_19_21version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B	09/02/2022	18/11/2021
Mod_18_21	Temporary derogation from SEMO charges related to Mod_02_21 Mod_18_21TemporaryDerogationfromSEMOchargesrelatedtoMod_02_21_final DecisionLetteronMod_18_21 FRRMOD_18_21version2.0 Mod_18_21SEM-21-091SEMODerogationrequest Mod_18_21SEM-21-092RAApprovalofDerogationrequestfromSEMO Mod_18_21SEM-22-001SEMODerogationRequest2 Mod_18_21SEM-22-002RAApprovalofSEMODerogationRequest2	RA Decision: Approved (Not Vetoed)	Closed	Section G	04/11/2021	08/10/2021
Mod_17_21	Second Housekeeping 2021 Mod_17_21SecondHousekeeping2021 DecisionLetteronMod_17_21 FRRMOD_17_21version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F, Section G	16/11/2021	07/10/2021
Mod_16_21	Temporary use of the Market Backup Price where an Interconnector Trade Quantity and Price are submitted Mod_16_21TemporaryuseoftheMarketBackupPricewhereanInterconnectorTradeQuantityandPricearesubmitted Mod_16_21RADecisionLetter FRRMOD_16_21version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section H	29/09/2021	17/09/2021
Mod_15_21	Alter CDIFF Section F.18.7.2 Mod_15_21-AlterCDIFFSectionF.18.7.2 MOD_15_21AlterCDIFFSectionF.18.7.2final Mod_15_21WithdrawalNotification	Withdrawn	Closed	Section F		24/08/2021
Mod_14_21	Extension of System Service Flag to include units providing Replacement Reserve in line with the detailed design Mod_14_21ExtensionofSystemServiceFlagtocoverReplacementReserve Mod_14_21ExpansionofFSSflag-presentation Mod_14_21ExtensionofSystemServiceFlagtocoverReplacementReserveResoucesv2 Mod_14_21ExpansionofFSStoincludeunitsprovidingReplacementReserveDec21update-presentation FRRMOD_14_21version2.0 DecisionLetteronMod_14_21	RA Decision: Recommended for Rejection	Closed		12/12/2022	24/08/2021
Mod_13_21	Interest Modification Mod_13_21InterestModification CopyofCopyofInterestShadowCalculationsforMOD_13_21 DecisionLetteronMod_13_21 FRRMod_13_21v2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, Section G	13/08/2021	04/06/2021
Mod_12_21	Clarification of text regarding the Effective Date of a Modification Mod_12_21ClarificationoftextregardingtheEffectiveDateofaModification DecisionLetteronMod_12_21 FRRMod_12_21v2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B	13/08/2021	15/04/2021
Mod_11_21	Generator, Supplier and Renewable Seat Mod_11_21GeneratorSupplierandRenewableSeats DecisionLetteronMod_11_21 FRRMod_11_21v2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 12, Section B	13/08/2021	14/04/2021
Mod_10_21	Temporary Flexible Seat Temporary Flexible Seat DecisionLetteronMod_10_21 FRRMod_10_21v2.0	RA Decision: Approved (Not Vetoed)	Closed	Section H	16/06/2021	14/04/2021
Mod_09_21	Housekeeping 2021 Mod_09_21Housekeeping2021 FRRchangestoMod_09_21_housekeeping2021 FRRMod_09_21v2.0 DecisionLetteronMod_09_21	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix C, T&SC Glossary	13/08/2021	14/04/2021
Mod_08_21	Mod_08_21 Removing the 10MW limit for some Demand Sites to enable Demand Sites that include, or are, an individual Battery Storage Unit > 10MW to participate as part of a Demand Side Unit (DSU) Mod_08_21Removingthe10MWlimitforsomeDemandSitestoenableDemandSites Mod_08_21WithdrawalNotification	Withdrawn	Closed	Section B		14/04/2021
Mod_07_21	Dispatchable Demand Generator Unit 2021 Mod_07_21DispatchableDemandGeneratorUnit2021 Mod_07_21AppendicCredlinePart-B-Agreed-Procedure-4-Transaction-Submission-and-Validation Mod_07_21AppendixBTSC-Part-B-Appendices Mod_07_21AppendixApropsoedmodtoTSC-Part-BV23Nov2020 Mod_07_21DDGUpresentationAughinish Mod_07_21-TechnologyEnablement(FlexTech)UpdateforModificationsMeeting107 Mod_07_21WithdrawalNotification	Withdrawn	Closed	Section E, T&SC Appendix A		14/04/2021
Mod_06_21	Proposing Invoice Improvements to reduce burden on Market Participants Mod_06_21ProposingInvoiceImprovementstoreduceburdenonMarketParticipants Mod_06_21WithdrawalNotificationv1.0	Withdrawn	Closed	Section G		14/04/2021
Mod_05_21	Collateral exposure of Autoproducer and DSU Mod_05_21-CollateralExposureofAutoproducerandDSU Mod_05_21CollateralExposureofAutoproducerandDSU-Presentation Mod_05_21DecisionLetter FRRMod_05_21version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter G, T&SC Chapter H, Agreed Procedure 9	12/03/2021	28/01/2021
Mod_04_21	Expansion of System Service Flag to include Cross-Zonal Actions for System Security reasons Mod_04_21-ExtensionofSystemServiceFlagtocoverCrossZonalActionsforSystemSecurity Mod_04_21ExtensionofSystemServiceFlagtocoverCrossZonalActionsforSystemSecurity-Presentation Mod_01_21Mod_02_21andMod_04_21TermsofReferencev2.0 Mod_01_21Mod_02_21andMod_04_21WorkingGroupReportv2.0 MOD_04_2117JuneCommitteeupdate Mod_04_21WithdrawalNotificationv1.0	Withdrawn	Closed	T&SC Appendix B		29/01/2021
Mod_03_21	Splitting CEADSU variable Mod_03_21-SplittingCEADSUvariable Mod_03_21SplittingCEADSUvariable-Presentation FRRMod_03_21version2.0 DecisionLetteronMod_03_21	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B, T&SC Chapter C	16/06/2021	28/01/2021
Mod_01_21	Removal of Difference Charges where operational constraints are binding Mod_01_21-RemovalofDifferenceChargeswhereoperationalconstraintsarebinding Mod_01_21RemovalofDifferenceChargeswhereoperationalconstraintsarebinding-Presentation Mod_01_21Mod_02_21andMod_04_21TermsofReferencev2.0 Mod_01_21RemovalofDifferenceChargeswhereoperationalconstraintsarebindingv2 Mod_01_21Mod_02_21andMod_04_21WorkingGroupReportv2.0 DecisionLetteronMod_01_21 FRRMod_01_21v2.0	RA Decision: Recommended for Rejection	Closed	T&SC Appendix B	13/08/2021	29/01/2021
Mod_13_20	Transparency of DRB decisions Mod_13_20BalancingDRBtransparency Mod_13_20Modification-Proposal-form-BalancingDRBtransparencyv2 Mod_13_20DecisionLetter FRRMod_13_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B	12/03/2021	20/11/2020
Mod_12_20	Amendments to DRB Process Mod_12_20DRBProcess Mod_12_20AmendmentstoDRBProcess-Legaldrafting Mod_12_20DecisionLetter FRRMod_12_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B	12/03/2021	20/11/2020
Mod_11_20	Definition of a Supplier Member Mod_11_20DefinitionofaSupplierMember Mod_11_20WithdrawalNotification	Withdrawn	Closed	Section B		15/10/2020
Mod_10_20	Rescind CCIN via email when indicative settlement is delayed and settlement team can verify meter volumes Mod_10_20RescindCCINviaemailwhenindicativesettlementisdelayedandsettlementteamcanverifymetervolumes Mod_10_20-RescindCCINviaemailV2 Mod_10_20-RescindCCINviaemailv3 UpdatetoMOD10_20 Mod_10_20V3-DecisionLetter FRRMod_10_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 9, Section G	11/12/2020	06/08/2020
Mod_09_20	Number of days for Interest Calculation Mod_09_20NumberofdaysforInterrestCalculation Mod_09_20AgreedProcedureNotification1.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15	05/10/2020	29/07/2020
Mod_08_20	Imbalance prices to reflect the real-time value of energy Mod_08_20ModificationProposal-Imbalancepricestoreflectthereal-timevalueofenergy Mod_08_20-Presentation ModificationsMeeting100Minutes-ElectroRouteComments ModificationsMeeting100Minutes-RAComments ModificationsMeeting100Minutes-ChairpersonandSSEComments Mod_08_20DecisionLetter	RA Direction	Active	Section B		09/07/2020
Mod_07_20	Balancing Modifications Committee Composition and constitution definitions Mod_07_20BalancingModificationsCommitteecompositionandconstitutiondefinition Mod_07_20BalancingModificationsCommitteecompositionandconstitutiondefinitions Mod_07_20WithdrawalNotification	Withdrawn	Closed	Agreed Procedure 12, Section B		05/06/2020
Mod_06_20	Removing the requirement for a Monthly Load Forecast Mod_06_20RemovingtherequirementforaMonthlyLoadForecast ModificationsMeeting98MonthlyLoadForecast Mod_06_20DecisionLetter FRRMod_06_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 6, Section D	12/03/2021	09/04/2020
Mod_05_20	Provisions for the Settlement of CEADSU Mod_05_20ProvisionsfortheSettlementofCEADSUMJK Mod_05_20RADecisionLetter FRRMod_05_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section H	01/10/2020	08/04/2020
Mod_04_20	Voting clarification and additional transparency Mod_04_20Votingclarificationandadditionaltransparency Mod_04_20VotingclarificationandadditionaltransparencyV2 Mod_04_20AgreedProcedureNotification1.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 12	16/07/2020	08/04/2020
Mod_03_20	Temporary Modification to Section B.18.3.2 to introduce an RA approval process for all Suspension Orders DecisionLetteronMod_03_20 Mod_03_20TemporaryModificationtoSectionB.18.3.2tointroduceanRAapprovalprocessforallSuspensionOrders FRRMOD_03_20Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 18, Section B	28/04/2020	08/04/2020
Mod_02_20	Housekeeping Feb 2020 MOD_02_20HousekeepingFeb2020 DecisionLetteronMod_02_20 FRRMod_02_20version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 12, Agreed Procedure 9, Section B, Section F, Section G, Section H, T&SC Glossary	26/05/2020	06/02/2020
Mod_01_20	PMEA No Energy Action Same Direction as NIV Mod_01_20PMEANoEnergyActionSameDirectionasNIV Mod_01_20-PMEANoEAPresentation SummaryofPMEAPRBOmodpricetimeseriesdistributionsandmetrics-final FRRMod_01_20version2.0 Mod_01_20DecisionLetter	RA Decision: Approved (Not Vetoed)	Closed	Section E	18/05/2022	06/02/2020
Mod_24_19	Amendments to Unsecured Bad Debt and Suspension Provisions Related to Supplier of Last Resort Mod_24_19-AmendmentstoUnsecuredBadDebtandSuspensionProvisionsRelatedtoSupplierofLastResort Mod_24_19-AmendmentstoUnsecuredBadDebtandSuspensionProvisionsRelatedtoSupplierofLastResort DecisionLetteronMod_24_19 FRRMOD_24_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, Section G	28/02/2020	28/11/2019
Mod_23_19	Modification to allow the Market Operator to seek relief from an obligation under Section E.3 of the TSC in exceptional circumstances (until 1 January 2021). Mod_23_19ModificationtoallowtheMarektOperatortoseekrelieffromanobligationunderSectionE.3oftheTSCinexceptionalCircumstances(unitJanaury2021) Mod_23_19Presentation Mod_23_19ModificationtoallowtheMarketOperatortoseekrelieffromanobligationunderSectionE.3.8oftheTSCinexceptionalCircumstances Mod_23_19ModificationtoallowtheMarketOperatortoseekrelieffromanobligationunderSectionE.3.8oftheTSCinexceptionalCircumstancesV2 Mod_23_19DecisionLetter FRRMOD_23_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section B, Section E, Section H	07/02/2020	28/11/2019
Mod_22_19	Correction of QUNDELOTOL calculations to convert TOLUG and TOLOG to MWh Mod_22_19-CorrectionofQUNDELOTOLcalculationstoconvertTOLUGandTOLOGtoMWh Mod_22_19CorrectionofQUNDELOTOLcalculationstoconvertTOLUGandTOLOGtoMWh-KC DecisionLetteronMod_22_19V2 FRRMOD_22_19Version1.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	01/07/2021	21/11/2019
Mod_21_19	Loss Adjustment Factor Application for Interconnectors Mod_21_19-LossAdjustmentFactorApplicationforInterconnectors Mod_21_19PresentationLossfactorApplicationforInterconnectors051219(2) DecisionLetteronMod_21_19 FRRMOD_21_19Version1.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	08/11/2020	20/11/2019
Mod_20_19	Changing Day-ahead Difference Quantity to Day-ahead Trade Quantity in Within-day Difference Charge Calculations Mod_20_19-ChangingDay-aheadDifferenceQuantitytoDay-aheadTradeQuantityinWithin-dayDifferenceChargeCalculations Mod_20_19ChangingDay-aheadDifferenceQuantitytoDayAheadTradeQuantityinWithin-dayDifferenceChargeCalculations DecisionLetteronMod_20_19 FRRMOD_20_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	01/07/2021	10/10/2019
Mod_19_19	Determining use of Complex Commercial Offer Data in Settlement when Required Information is not Available Mod_19_19DetermininguseofComplexCommercialOfferDatainSettlementwhenRequiredInformationisnotAvailable Mod_19_19Presentation DecisionLetteronMod_19_19 FRRMOD_19_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	04/11/2020	10/10/2019
Mod_18_19	Clarification to apply Recoverable Start Up Costs to DSUs Mod_18_19ClarificationtoapplyRecoverableStartUpCoststoDSUs Mod_18_19Slides DecisionLetteronMod_18_19 FRRMOD_18_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F	28/02/2020	10/10/2019
Mod_17_19	DSU State Aid Compliance Interim Approach Mod_17_19DSUStateAidComplianceInterimApproach Mod_17_19Presentation Mod_17_19_V2-DSUStateAidComplianceInterimApproach Mod_17_19DSUStateAidComplianceInterimApproachV2 DecisionLetteronMod_17_19 FRRMOD_17_19Version1.0	RA Decision: Approved (Not Vetoed)	Closed	Section F, Section H	01/10/2020	10/10/2019
Mod_16_19	Codification of TSO FNDDS Methodology and System Service Flag for DSU Settlement Mod_16_19CodificationofTSOFNDDSMethodologyandSystemServiceFlagforDSUSettlement mOD_16_19Presentationslides DecisionLetteronMod_16_19 FRRMOD_16_19version2.0	RA Decision: Approved (Not Vetoed)	Closed	Section F, T&SC Glossary	28/02/2020	10/10/2019
Mod_15_19	Clarification to the description of the role of the Dispute Resolution Board under the TSC Mod_15_19ClarificationtothedescriptionoftheroleoftheDisputeResolutionBoardundertheTSC Mod_15_19TermsofReferenceV1.0 Mod_15_19-ClarificationtotheroleoftheDisputeResolutionBoardundertheTSCV2 Mod_15_19WGReport1version2.0 Mod_15_19-Letterregardinglegaladvicerequest Schedule2ConsolidatedDraftsectionB.19 Modification15_19LegalReview Schedule2B.19consolidatedmarkup Schedule3TemplateDisputeResolutionAgreement Mod_15_19WithdrawalNotification	Withdrawn	Closed	Section B		09/10/2019
Mod_14_19	Interconnector representation on the Modifications Committee Mod_14_19InterconnectorrepresentationontheModificationsCommittee Mod_14_19slides Mod_14_19TermsofReference Mod_14_19WGReport1version2.0 Mod_14_19WorkingGroup2Responses Mod_14_19WGReport2-version2.0 Mod_14_19RADecisionLetter	RA Decision: Recommended for Rejection	Closed	Agreed Procedure 12, T&SC Chapter B, T&SC Glossary		09/08/2019
Mod_13_19	Payment for Energy Consumption in SEM for non-energy Services Dispatch Mod_13_19PaymentforEnergyConsumptioninSEMfornon-energyServicesDispatch Mod_13_19Slides Mod13_19slides-NiamhDelaney Mod_13_19ConferenceCallMinutes21_07_20 Mod_13_19PaymentforEnergyConsumptioninSEMfornon-energyServicesDispatchv2 Mod13_19slides_Meeting101 Mod_13_19WGReport1version2.0 Mod_13_19PaymentforEnergyConsumptioninSEMfornon-energyServicesDispatchv3 Mod_13_19Slides Mod13_19slidesMeeting103 FRRMod_13_19version2.0 DecisionLetteronMod_13_19	RA Decision: Approved (Not Vetoed)	Closed		07/12/2022	08/08/2019
Mod_12_19	System Service Flag for Demand Site Units Mod_12_19-SystemServiceFlagforDemandSideUnits Mod_12_19Slides Mod_12_19DecisionLetter FRRMOD_12_19version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	13/11/2019	08/08/2019
MOD_11_19	Correction to the determination of COP and clarification of CNLR Mod_11_19-CorrectiontothedeterminationofCOPandclarificationofCNLR Mod_11_19Presentation FRRMOD_11_19version2.0 DecisionLetteronMod_11_19	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	27/09/2019	13/06/2019
MOD_10_19	Removal of negative QBOAs related to dispatchable priority dispatch units from the imbalance price Mod_10_19-DispatchablePriorityDispatch Mod_10_19SEMCDecisionsReview Mod_10_19RemovalofQBOAsrelatedtodispatchableprioritydispatchunitsfromtheimbalanceprice DecisionLetteronMod_10_19 FRRMOD_10_19version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B	29/10/2020	13/06/2019
Mod_09_19	Removal of Locational Constraints from Imbalance Pricing Calculation Mod_09_19RemovaloflocationalconstraintsfromImbalancePricingcalculation Mod_09_19-BOSslides FRRMOD_09_19version2.0 DecisionLetteronMod_09_19v2	RA Decision: Approved (Not Vetoed)	Closed	Appendix N	02/05/2019	05/04/2019
MOD_08_19	Clarification to Intraday Quantity and Payment Mod_08_19-ClarificationtoIntradayQuantityandPayment Mod_08_19-ClarificationtoIntradayQuantityandPaymentV2 FRRMOD_08_19version2.0 DecisionLetteronMod_08_19V2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	27/09/2019	07/02/2019
MOD_07_19	Correction to No Load Cost - "and" vs "or" doc Mod_07_19_CorrectiontoNoLoadCost-andvsor Mod_07_19CorrectiontoNoLoadCost-andvsor FRRMOD_07_19version2.0 DecisionLetteronMod_07_19	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	03/05/2019	29/03/2019
MOD_06_19	Determination of the Marginal Energy Action Price where no energy is available in the Net Imbalance Volume MOD_06_19DeterminationoftheMarginalEnergyPricewherenoenergyisavailableintheNetImbalanceVolumeDirectionv2 MOD_06_19DeterminationoftheMarginalEnergyPricewherenoenergyisavailableintheNetImbalanceVolumeDirection MOD_06_19DeterminationoftheMarginalEnergyPricewherenoenergyisavailableintheNetImbalanceVolumeDirection Mod_06_19WithdrawalNotification	Withdrawn	Closed	T&SC Chapter E		07/02/2019
MOD_05_19	Amendment to Uninstructed Imbalance Charge (CUNIMB) to correct for negative price scenarios Mod_05_19AmendmenttoUninstructedImbalanceCharge(CUNIMB)Calculation Mod_05_19_V2_AmendmenttoUninstructedImbalanceCharge(CUNIMB)CalculationVersion2 FRR-MOD_05_19version3.0 DecisionLetteronMod_05_19	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F, T&SC Glossary	05/07/2019	29/03/2019
MOD_04_19	Running indicative settlement on all days MOD_04_19Runningindicativesettlementonalldays Mod04_19Presentation Mod_04_19creditcoversamples MOD_04_19RunningIndicativeSettlementonalldaysV2 Mod_04_19WGReport1version2.0 Mod_04_19AgreedProcedureNotification	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, Agreed Procedure 16, T&SC Chapter G	04/12/2019	07/02/2019
MOD_03_19	Amended application of the Market Back Up Price if an Imbalance Price(s) fails to circulate MOD_03_19AmendedapplicationoftheMarketBackUpPriceifanImbalancePrice(s)failstocalculate MOD_03_19 MOD_03_19-AmendedapplicationoftheMarketBackUpPriceifanImbalancePrice(s)failstocalculate-Version2 DecisionLetteronMod_03_19V2 FRRMOD_03_19Version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter E	30/06/2021	07/02/2019
MOD_02_19	Removal of difference charges for generators during non RO event periods DecisionLetteronMod_02_19 MOD_02_19RemovalofdifferencechargesforgeneratorsduringnonROeventperiods FRRMOD_02_19version2.0	RA Decision: Recommended for Rejection	Closed	T&SC Chapter F		07/02/2019
MOD_01_19	Negative Interest Rates in SEM MOD_01_19NegativeInterestRatesinSEM DecisionLetteronMod_01_19 FRRMOD_01_19version2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 17, T&SC Section 6	02/05/2019	07/02/2019
MOD_18_17	Net Inter Jurisdictional Flow Submission Mod_18_17NetInterJurisdictionalImportSubmission Mod_18_17PartBNetInterJurisdictionalImportSubmission FRRMod_18_17NetInterJurisdictionalImportSubmissionversion2.0 DecisionletterMod_18_17	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 1, Agreed Procedure 16, T&SC Appendix L, T&SC Glossary	27/09/2018	27/09/2018
MOD_17_17	Recovery of Costs due to Invalid Ex-Ante Contracted Quantities in Imbalance Settlement MOD17_17RecoveryofCostsduetoInvalidEx-AnteContractedQuantitiesinImbalanceSettlementv3 Mod_17_17Presentation MOD17_17RecoveryofCostsduetoInvalidEx-AnteContractedQuantitiesinImbalanceSettlementv2 MOD17_17-RecoveryofCostsduetoInvalidEx-AnteContractedQuantitiesinImbalanceSettlement Mod_17_17InvalidContractedQuantitiesModPresentationv4 SEMCdecisionMod_17_17 FRRMod_17_17RecoveryofCostsDuetoInvalidEx-AnteContractedQuantitiesinImbalanceSettlementversion2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter G	20/04/2018	17/09/2018
MOD_16_17	Funding in relation to EirGrid/SONI payment obligations Mod_16_17Proposal Mod_16_17Proposalv2 Mod_16_17Proposalv3 Mod_16_17Proposalv4 Mod_16_17PresentationDec2017 Mod_16_17PresentationJan2017 SEMCDecisionforMod_16_17 FRRMod_16_17FundinginRelationtoEirgrid-SONIpaymentobligationsVersion2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Section 1	20/04/2018	17/09/2018
MOD_15_17	Credit Treatment for Adjusted Participants Mod_15_17Proposal Mod_15_17CreditTreatmentforAdjustedParticipantsversion2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 2, T&SC Chapter G, T&SC Glossary	29/03/2018	17/09/2018
MOD_14_17	Part B Suspension When Suspended Under Part A Mod_14_17Presentation DecisionletterforMod_14_17 Mod_14_17PartBSuspensionWhenSuspendedUnderPartAversion2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B	29/03/2018	17/09/2018
MOD_13_17	Deferral of SEM NEMO Credit Reports and Non-acceptance of Contracted Quantities Mod_13_17Presentationv2 Mod_13_17Proposal Mod_13_17Proposalv2 Mod_13_17Presentation RADecisionLetterforMOD_13_17 Mod_13_17DeferralofSEMNEMOCreditReportsandnonacceptanceofcontractedquantities	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 9, T&SC Chapter B, T&SC Chapter F, T&SC Chapter G, T&SC Chapter H, T&SC Glossary	27/08/2018	17/09/2018
MOD_12_17	Outage Adjusted Wind and Solar Forecast Reports Mod_12_17Proposal Mod_12_17Presentation DecisionletterforMod_12_17 Mod_12_17OutageAdjustedWindandSolarForecastReportsversion2.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 6, T&SC Appendix E	27/08/2018	17/09/2018
MOD_11_17	Deferral of Information Imbalance Charges Mod_11_17Proposal Mod_11_17Presentation FRRMod_11_17DeferralofInformationImbalanceChargesversion20 DecisionLetterforMod_11_17	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix G, T&SC Chapter H, T&SC Glossary	09/02/2018	17/09/2018
MOD_10_17	Ex-Ante Quantities Deferral Mod_10_17Proposal Mod_10_17Presentation Mod_10_17Ex-AnteQuantitiesDeferral DecisionLetterforMod_10_17 FRRMod_10_17Ex-AnteQuantitiesDeferralversion2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix F, T&SC Appendix H	26/02/2018	17/09/2018
MOD_09_17	Solar in I-SEM Mod_09_17Proposal Mod_09_17Presentation Mod_09_17Proposalv2 FRRMod_09_17SolarinI-SEMversion20 DecisionLetterforMod_09_17	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 4, Agreed Procedure 6, T&SC Appendix E, T&SC Appendix K, T&SC Appendix O, T&SC Chapter B, T&SC Chapter C, T&SC Chapter D, T&SC Glossary	06/02/2018	17/09/2018
MOD_08_17	Decremental Price Quantity Pair Submission Mod_08_17Proposal Mod_08_17Presentation FRRMod_08_17DecrementalPriceQuantityPairSubmissionversion20 DecisionLetterforMod_08_17	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter D	06/02/2018	17/09/2018
MOD_07_17	Credit Assessment Volume for Generator Units Mod_07_17Proposal Mod_07_17Presentation FRRMod_07_17CreditAssessmentVolumeforGeneratorUnitsversion20 DecisionLetterforMod_07_17	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter G, T&SC Glossary	06/02/2018	17/09/2018
MOD_06_17	Transitional Credit Cover Provisions MOD_06_17Proposal MOD_06_17Proposalv2 MOD_06_17Presentation MOD_06_17_Part_C_Appendix_B MOD_06_17_Part_C_Legal_Textv3 MOD_06_17_Part_C_Legal_Text FRRMOD_06_17v2 SEMCDecisionLetterfortheRAsonMod_06_17	RA Decision: Approved (Not Vetoed)	Closed	Section 11, T&SC Glossary	26/02/2018	17/09/2018
MOD_05_17	Amendment to the Part B Form of Authority for the purpose of removing the Restricted Authority provision MOD_05_17-Proposal DecisionLetterforMod_05_17 FRRMod_05_17v2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Section 1	24/10/2017	17/09/2018
MOD_04_17	Solar in the SEM RACommunicationSolarGenerationUnits Mod_04_17SolarintheSEM Mod_04_17RADecision FRR_04_17_SolarintheSEM Mod_04_17SolarintheSEM	RA Decision: Approved (Not Vetoed)	Closed	Definitions, Agreed Procedure 4, Agreed Procedure 6, T&SC Appendix E, T&SC Appendix K, T&SC Appendix M, T&SC Appendix O, T&SC Glossary, T&SC Section 2, T&SC Section 3, T&SC Section 4, T&SC Section 5	24/10/2017	17/09/2018
MOD_03_17	Treatment of Transmission Losses for Trading Sites with Contiguous Autoproducers in I-SEM Mod_03_17Proposal Mod_03_17Proposalv2 Mod_03_17Presentation FRRMod_03_17v3 DecisionLetterforMod_03_17	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	19/10/2017	17/09/2018
MOD_02_17	Unsecured Bad Energy Debt & Unsecured Bad Capacity Debt Timelines Mod_02_17Proposal Mod_02_17ReviewofUnsecuredBadDebtRequirement Mod_02_17UnsecuredBadDebtPresentation Mod_02_17Meeting73 Mod_02_17SummaryofActionsfromMO Mod_02_17SummaryofadditionalActionsandresponsesfromMO DecisionLetteronMod_02_17 FRRMod_02_17v2 Mod_02_17Proposalv2 Mod_02_17Presentationv2 DecisionletterMod_02_17 FRRMOD_02_17Unsecured__DebtTimelinesv3.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, T&SC Section 6	27/09/2018	17/09/2018
Mod_38_18	Limitation of Capacity Market Difference Payments to Metered Demand Mod_38_18-LimitationofCapacityMarketDifferencePaymentstoMeteredDemand Mod_38_18 Mod_38_18-LimitationofCapacityMarketDifferencePaymentstoMeteredDemandV2 Mod_38_18-LimitationofCapacityMarketDifferencePaymentstoMeteredDemandV3 Mod_38_18-LimitationofCapacityMarketDifferencePaymentstoMeteredDemandV4 Mod_38_18Slides Mod_38_18V4DecisionLetter FRRMOD_38_18version2.0	RA Decision: Recommended for Rejection	Closed	T&SC Chapter F		04/12/2018
Mod_37_18	Housekeeping Between V20 and V21 DecisionLetteronMod_37_18 MOD_37_18_HosekeepingbetweenV20andV21 Mod_37_18_Housekeeping__35_18_Disputes__36_18_SD FRRMOD_37_18version0.1	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix F, T&SC Appendix G, T&SC Glossary	04/03/2019	04/12/2018
Mod_36_18	Settlement Document and Invoice Terminology Clarifications FRRMOD_36_18version0.1 Mod_36_18SettlementDocumentandInvoiceTerminologyClarifications Mod_37_18_Housekeeping__35_18_Disputes__36_18_SD DecisionLetteronMod_36_18	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, T&SC Appendix G, T&SC Glossary	15/03/2019	04/12/2018
MOD_35_18	Clarifications to Dispute Process DecisionLetteronMod_35_18 FRRMOD_35_18version0.1 Mod_35_18_ClarificationstoDisputeProcess Mod_37_18_Housekeeping__35_18_Disputes__36_18_SD	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B, T&SC Chapter E	05/03/2019	04/12/2018
Mod_34_18	Removal of MWPs for biased quantities and negative imbalance revenue and clarifications to determination of Start Up Costs Final Mod_34_18_RemovalofMWPsforbiasedquantitiesandnegativeimbalancerevenueandclarificationstodeterminationofStartUpCostsFinal Mod_34_18-MartinKerin DecisionLetteronMod_34_18 FRRMOD_34_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	27/01/2019	04/12/2018
Mod_33_18	Update to Unit Under Test Process FRR-MOD_33_18version3.0 Mod_33_18UpdatetoUnitUnderTestProcess Mod_33_18UpdatetoUnitUnderTestProcessv2.0 Mod_33_18UpdatetoUnitUnderTestProcess Mod_33_18UpdatetoUnitUnderTestProcess2.0 DecisionLetteronMod_33_18	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter D, Agreed Procedure 4, T&SC Appendix F, T&SC Glossary	02/07/2019	28/11/2018
MOD_32_18	Removal of exposure for “in merit” generator units against BOA Mod_32_18WorkingGroupRecommendationReportversion2.0 Mod_32_18WithdrawalNotification	Withdrawn	Closed	Appendix N		30/11/2018
MOD_31_18	Imbalance Pricing During Outages of the Imbalance Pricing System Mod_31_18Proposal Mod_31_18Presentation DecisionletterMod_31_18 FRRMOD_31_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix E	27/09/2018	21/09/2018
MOD_30_18	Market Back Up Price Amendment Mod_30_18Proposal DecisionletterMod_30_18 FRRMOD_30_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix B	27/09/2018	21/09/2018
MOD_29_18	Part B Schedule Production Cost Definition Mod_29_18Proposal MOD_29_18Presentation DecisionletterMod_29_18 FRRMOD_29_18version2	RA Decision: Approved (Not Vetoed)	Closed		27/09/2018	21/09/2018
MOD_28_18	Ordering of Pseudo Dispatch Instructions for QBOA with the same Instruction Issue Time and Instruction Effective Time Mod_28_18Proposal MOD_28_18Presentation DecisionletterMod_28_18 FRRMOD_28_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix O	27/09/2018	21/09/2018
MOD_27_18	Interim arrangements in Appendix O for Instruction Profiling and Bid Offer Acceptance Quantity Outcomes in a Subset of Undo Scenarios Mod_27_18Proposal MOD_27_18Presentation DecisionletterMod_27_18 FRRMOD_27_18version2.0	RA Decision: Recommended for Rejection	Closed	T&SC Chapter H		21/09/2018
MOD_26_18	Market Back Up Price Reference Corrections Mod_26_18Proposal Mod_26_18Presentation DecisionletterMod_26_18 FRRMOD_26_18MarketBackUpPriceReferenceCorrectionsversion2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B, T&SC Chapter E, T&SC Chapter G	27/09/2018	21/09/2018
MOD_25_18	Part B Unsecured Bad Energy Debt and Unsecured Bad Capacity Debt Timelines and Correction DecisionLetteronMod_25_18 Mod_25_18Proposal Mod_25_18Presentation Mod_25_18PartBUnsecuredBadEnergyDebtandUnsecuredBadCapacityDebttimelinesandcorrectionsv2 Mod25_18PartBUnsecuredBadDebtOctoberMeeting FRRMOD_25_18version1.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, T&SC Glossary	04/03/2019	21/09/2018
MOD_24_18	Use of Technical Offer Data in Instruction Profiling / QBOA Mod_24_18Proposal Mod_24_18Proposalv2 MOD_24_18Presentation MOD_24_18Presentationv2 DecisionletterMod_24_18 FRRMOD_24_18version2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix O	27/09/2018	21/09/2018
MOD_23_18	Payment and Invoice Day Exchange Rates for Part A Currency Cost Calculations Post Cutover Mod_23_18Proposal Mod_23_18Presentation Mod_23_18AgreedProcedureNotification FRRMOD_23_18_version1.0	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15	27/09/2018	21/09/2018
MOD_22_18	Part B Credit Cover Signage & Subscript Correction Mod_22_18Presentation Mod_22_18Proposal DecisionletterMod_22_18 FRRMOD_22_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Glossary	27/09/2018	17/05/2019
MOD_21_18	Application of Settlement Reallocation Agreements to Market Operator Charges & Settlement Document Definition & Usage Mod_21_18Presentationv2 Mod_21_18Presentation Mod21_18Proposalv2 Mod_21_18Proposal DecisionletterMod_21_18 FRRMOD_21_18v2ApplicationofSRAtoMOChargeversion2	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 1, Agreed Procedure 10, Agreed Procedure 15, Agreed Procedure 17, T&SC Appendix G, T&SC Glossary	27/09/2018	17/05/2019
MOD_20_18	Agreed Procedure Updates Mod_20_18Presentationv2 Mod_20_18Proposalv2 Mod_20_18Presentation Mod_20_18Proposal DecisionletterMod_20_18 FRRMod_20_18Version2AgreedProcedureUpdatesVersion2	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 1, Agreed Procedure 15, Agreed Procedure 17, Agreed Procedure 4	27/09/2018	17/05/2019
MOD_19_18	Part B Housekeeping 1 Part B Housekeeping Proposal Form Part B Housekeeping Presentation DecisionletterMod_19_18 FRRMOD_19_18PartBHousekeepingversion2.0	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix E, T&SC Appendix H, T&SC Appendix I, T&SC Glossary	27/09/2018	17/05/2019
MOD_18_18	Transitional Regulatory Reporting Mod_18_18TransitionalRegulatoryReporting Mod_18_18WithdrawalNotification	Withdrawn	Closed	T&SC Appendix C		28/09/2018
MOD_17_18	Transitional Provisions for Cutover Transitional Provisions for Cutover Proposal Version 2.0 Transitional Provisions for Cutover Presentation Transitional Provisions for Cutover Proposal Form DecisionletterMod_17_18 FRRMOD_17_18version2.0	RA Decision: Approved (Not Vetoed)	Closed		27/09/2018	17/05/2019
MOD_16_18	Interim Suspension Delay Periods Mod_16_18Proposal Mod_16_18Presentation DecisionLetterforMOD_16_18 FRRMOD_16_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter B, T&SC Chapter H, T&SC Glossary	27/08/2018	17/05/2019
MOD_15_18	Clarifications for Instruction Profiling DecisionLetterforMOD_15_18 Clarifications for Instruction Profiling Presentation MOD_15_18Proposalv2 Mod_15_18Proposal FRRMOD_15_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Appendix O	27/08/2018	17/05/2019
MOD_14_18	Change to Timing of Publication of Trading Day Exchange Rate Mod 14 FX Rate DecisionLetterforMOD_14_18 Mod_14_18Proposal FRRMOD_14_18version2	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 6, T&SC Chapter G	27/08/2018	17/05/2019
MOD_13_18	Calculating Obligated Capacity Quantities for Units Not Yet Commissioned Calculating Obligated Capacity Quantities for Units Not Yet Commissioned Presentation DecisionLetterforMOD_13_18 Mod_13_18Proposal FRRMOD_13_18version2	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F	27/08/2018	17/05/2019
MOD_12_18	Modification to Part B Agreed Procedure 17 Modification to Part B Agreed Procedure 17 Presentation Modification to Part B Agreed Procedure 17 Proposal Form Mod_12_18AgreedProcedureNotification	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 17	27/09/2018	17/05/2019
MOD_11_18	Correction of Minor Material Drafting Errors Mod 11 FRR Mod_11_18Proposal Mod_11_18Presentation DecisionLetterforMod_11_18	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter F, T&SC Chapter G	20/06/2018	17/05/2019
MOD_10_18	Amendment to Capacity Settlement Publication from Monthly to Daily Amendment to Capacity Settlement Publication from Monthly to Daily Proposal Form Amendment to Capacity Settlement Publication from Monthly to Daily Presentation Amendment to Capacity Settlement Publication from Monthly to Daily RA Decision FRRMod_10_18version2	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 15, T&SC Chapter G	20/06/2018	17/05/2019
MOD_09_18	Interim Credit Treatment for Participants with Trading Site Supply Units Mod_09_18-InterimCreditTreatmentforParticipantswithTradingSiteSupplyUnits_V2 Mod_09_18Proposal Mod_09_18Presentation DecisionLetterforMOD_09_18 FRRMod_09_18version2 Mod_09_18-InterimCreditTreatmentforParticipantswithTradingSiteSupplyUnits_V3	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter H, T&SC Glossary	27/08/2018	17/05/2019
MOD_08_18	Clarification of Rules Used to Determine the Value of Price Average Reference Tag (TPAR) Mod 8 FRR Clarification of Rules Used to Determine the Value of TPAR Proposal Form Clarification of Rules Used to Determine the Value of TPAR Presentation SEMC-Decision-Letter-for-the-RAs-on-Mod_08_18	RA Decision: Approved (Not Vetoed)	Closed		21/06/2018	17/05/2019
MOD_07_18	Clarifications of Use of Variable “B” in NIV and PAR Tagging Scenarios Clarifications of Use of Variable B in NIV and PAR Tagging Scenarios April Meeting Clarifications of Use of Variable B in NIV and PAR Tagging Scenarios Proposal Form Version 2 Clarifications of Use of Variable B in NIV and PAR Tagging Scenarios Proposal Form Clarifications of Use of Variable B in NIV and PAR Tagging Scenarios Presentation RADecisionLetter-MOD_07_18 FRRv2Mod_07_18version2	RA Decision: Approved (Not Vetoed)	Closed		27/08/2018	17/05/2019
MOD_06_18	Clarification of Marginal Energy Action Price Calculation Including Scenario When All Actions Are Flagged Mod 6 FRR Clarification of Marginal Energy Action Price Calculation Including Scenario When All Actions Are Flagged Proposal Form Clarification of Marginal Energy Action Price Calculation Including Scenario When All Actions Are Flagged Presentation Clarification of Marginal Energy Action Price Calculation Including Scenario When All Actions Are Flagged RA Decision	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter E	21/06/2018	17/05/2019
MOD_05_18	Clarification of Administered Scarcity Pricing Function for Scenarios Not Yet Covered in Rules Mod 5 FRR Clarification of Administered Scarcity Pricing Function for Scenarios Not Yet Covered in Rules Proposal Form Clarification of Administered Scarcity Pricing Function for Scenarios Not Yet Covered in Rules Presentation Clarification of Administered Scarcity Pricing Function for Scenarios Not Yet Covered in Rules RA Decision	RA Decision: Approved (Not Vetoed)	Closed	T&SC Chapter E	20/06/2018	17/05/2019
MOD_04_18	Reporting and Publication for Operational Schedules, Dispatch Instructions, Forecast Availability and SO Trades Mod 4 FRR Reporting and Publication for Operational Schedules, Dispatch Instructions, Forecast Availability and SO Trades Proposal Reporting and Publication for Operational Schedules, Dispatch Instructions, Forecast Availability and SO Trades Presentation Reporting and Publication for Operational Schedules, Dispatch Instructions, Forecast Availability and SO Trades RA Decision	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 6, T&SC Appendix E	20/06/2018	17/05/2019
MOD_03_18	Autoproducer Credit Cover Presentation WorkingGroupSlidesforDSU-WorkingGroup Mod_03_18WGReport1version2.0 Mod_03_18WorkingGroupTermsofReference Mod_03_18AutoproducerCreditCover Mod_03_18WGMeeting2Reportv1.0 Mod_03_18AutoproducerCreditCoverwithDSUv213June2019 Mod_03_18RecommendationReportversion2.0 PresentationMod_03_18Version227June2019 Mod_03_18AutoproducerCreditCoverwithDSUV3 PresentationMod_03_18Version35Dec2019(2) FRRMOD_03_18Version2.0 Mod_03_18V3-DecisionLetter	RA Decision: Recommended for Rejection	Closed	T&SC Chapter G		19/01/2021
MOD_02_18	Meter Data Publication Timing Mod_02_18MeterDataPublicationTiming Mod_02_18MeterDataPublicationTiming Mod_02_18AgreedProcedureNotification	RA Decision: Approved (Not Vetoed)	Closed	Agreed Procedure 6	27/09/2018	12/09/2018
MOD_01_18	Notification of Suspension to SEM NEMOs Mod_01_18AgreedProcedureNotification Mod_01_18NotificationofSuspensiontoSEMNEMOs Mod_01_18NotificationofSuspensiontoSEMNEMOs	RA Decision: Approved (Not Vetoed)	Closed		05/04/2018	12/09/2018