The SEM Committee consulted on the Phased Implementation Roadmap (PIR) for System Services Future Arrangements, during 2023, and on 8 December 2023 published its decision. As part of its decision the SEM Committee instructed EirGrid and SONI, in their respective capacities as Transmission System Operators (TSOs), to initiate a System Services Tariff review and consultation in Q1 2024. A web-based workshop session took place on Friday 19 April 2024 and slides are now available.