Market Change Requests
| MCR | DESCRIPTION | STATUS | DATE | JURISDICTION | 
|---|---|---|---|---|
| MCR 1238 | Updated HH Intervals Estimation & Substitution Rules Read more | Approved | 09/04/2025 | RoI Specific | 
| MCR 1237 | Electricity Costs Benefit Scheme IV Read more | Approved | 23/10/2024 | RoI Specific | 
| MCR 1236 | Amendments to Interim Retail Market Microgeneration Solution Read more | Approved | 28/08/2024 | RoI Specific | 
| MCR 1234 | Smart Meter Exchanges for 1-Phase Whole Current MCC03 Cohort 2 Read more | Approved | 02/07/2025 | RoI Specific | 
| MCR 1233 | Smart Meter Exchanges for 3 Phase Whole Current Meter MCC03 Cohort 1 Read more | Implemented | 05/08/2025 | RoI Specific | 
| MCR 1232 | Smart Meter Exchanges for 3 Phase Whole Current Meter MCC02 Read more | Implemented | 05/08/2025 | RoI Specific | 
| MCR 1231 | Electricity Costs Benefit Scheme 3 Read more | Approved | 23/11/2023 | RoI Specific | 
| MCR 1230 | Amendments to PSO Process Read more | Implemented | 31/03/2023 | RoI Specific | 
| MCR 1227 | 3 PhaseMeter MCC01 Exchanges Read more | Implemented | 11/09/2023 | RoI Specific | 
| MCR 1226 | MCC03 Meter Exchanges Read more | Implemented | 11/09/2023 | RoI Specific | 
| MCR 1225 | MCC02 Meter Exchanges Read more | Implemented | 11/09/2023 | RoI Specific | 
| MCR 1224 | Electricity Costs Benefits Scheme2 Read more | Implemented | 01/03/2023 | RoI Specific | 
| MCR 1223 | Peak ToU for DG7 to DG9 Read more | Implemented | 31/03/2023 | RoI Specific | 
| MCR 1222 | CTF Algorithm Read more | Implemented | 25/10/2022 | RoI Specific | 
| MCR 1221 | Contingency process for failure in SPAYG technology chain Read more | Implemented | 20/11/2024 | RoI Specific | 
| MCR 1220 | Electricity Costs Benefits Scheme Read more | Implemented | 29/03/2022 | RoI Specific | 
| MCR 1219 | Changes to the CoS process as a result of  Smart PAYG Read more | Implemented | 20/11/2024 | RoI Specific | 
| MCR 1216 | Smart Metering Remote Operations Read more | Approved | 2011/2024 | RoI Specific | 
| MCR 1215 | Smart Meter Exchanges Read more | Implemented | 29/08/2022 | RoI Specific | 
| MCR 1214 | Interim Metering Responsibilities for DSO Connected Battery Storage Read more | Implemented | 15/12/2021 | RoI Specific | 
| MCR 1213 | Interim Retail Market Microgen Solution Read more | Implemented | 29/06/2022 | RoI Specific | 
| MCR 1210 | Test WebService Read more | Implemented | 05/12/2022 | RoI Specific | 
| MCR 1209 | Annual Consumption for HH Sites Read more | Implemented | 20/11/2024 | RoI Specific | 
| MCR 1206 | Covid19 Supply Suspension Process Read more | Implemented | 01/05/2020 | RoI Specific | 
| MCR 1205 | Application of the PSO to Commercial Storage Read more | Implemented | 16/02/2021 | RoI Specific | 
| MCR 1197 | Keypad meters for micro business Read more | Approved | 06/11/2019 | Co-Ordinated | 
| MCR 1193 | New 603MM Daily Summary Transaction Detail Read more | Implemented | 20/11/2024 | RoI Specific | 
| MCR 1191 | SoLR Review Read more | Implemented | 19/08/2020 | RoI Specific | 
| MCR 1190 | Procedure for Supplier initiated transfer of MPRNs from one Supplier ID to another Read more | Implemented | 01/10/2018 | RoI Specific | 
| MCR 1189 | Additional code in the 017MM to select a de-energisation with a service removal Read more | Implemented | 20/11/2024 | RoI Specific | 
| MCR 1187 | Solution to Eircodes using the A2 Correspondence Address Read more | Approved | 07/03/2018 | RoI Specific | 
| MCR 1185 | Small Supplier Categorisation Read more | Implemented | 01/10/2023 | RoI Specific | 
| MCR 1184 | Cooling off for Cos Read more | Implemented | 23/04/2019 | RoI Specific | 
| MCR 1183 | 010 Customer Agreement Validation Read more | Implemented | 23/04/2019 | Co-Ordinated | 
| MCR 1182 | Impact of I-Sem on the Retail Market in RoI Read more | Implemented | 01/10/2018 | RoI Specific | 
| MCR 1180 | New Registrations Default Supplier Read more | Implemented | 23/04/2019 | RoI Specific | 
| MCR 1179 | Cessation of Eligible Customer Files on the Extranet Read more | Implemented | 25/03/2018 | RoI Specific | 
| MCR 1176 | Extranet Message Ordering Read more | Implemented | 25/03/2018 | RoI Specific | 
| MCR 1175 | Provide MP Bus Ref for Reading Read more | Implemented | 23/04/2019 | RoI Specific | 
| MCR 1173 | Vulnerable Customer Implementation in RoI of SI463 Read more | Implemented | 23/04/2019 | Co-Ordinated | 
| MCR 1169 | Addition of Postal Code to two Downloadable Meter Point Files Read more | Implemented | 23/04/2019 | RoI Specific | 
| MCR 1167 | Facilitate energy efficiencies in Local Authority Public Lighting Read more | Implemented | 23/04/2019 | Co-Ordinated | 
| MCR 1161 | Smart Metering New Connections Read more | Implemented | 16/02/2021 | ROI Specific | 
| MCR 1160 | Smart Metering Meter Works Read more | Implemented | 16/02/2021 | 16/02/2021 | 
| MCR 1159 | Smart Metering Change of Supplier Read more | Implemented | 16/02/2021 | RoI Specific | 
| MCR 1158 | Smart Metering Customer Data Changes Read more | Implemented | 16/02/2021 | ROI Specific | 
| MCR 1157 | Smart Metering Data Processing and Data Aggregation Read more | Implemented | 16/02/2021 | ROI Specific | 
| MCR 1154 | New Unmetered Tariff for NI Read more | Implemented | 23/04/2019 | Co-ordinated | 
| MCR 1150 | Change of method of providing DUoS Billing Information from posted CD to the SFTS Read more | Approved | 23/07/2014 | RoI Specific | 
| MCR 1140 | MCR 1140 – Introduction of Eircodes into the Retail Market in Ireland Read more | Implemented | 23/04/2019 | ROI Specific | 
| MCR 1135 | Market Webservice as opposed to a Market Website to provide On-Demand Customer Information Read more | Implemented | 16/02/2021 | ROI Specific | 
| MCR 1114 | Post-Harmonisation Sundry Technical Changes to HBL Schema Read more | Withdrawn | 02/06/2021 | Harmonisation | 
| MCR 0176 | Email Address Validation Read more | Implemented | 16/02/2021 | Harmonisation | 
| MCR 0175 | New Reject Reasons for Address Change Rejection Read more | Implemented | 23/04/2019 | Harmonisation |