The SEM Committee consulted on the Phased Implementation Roadmap (PIR) for System Services Future Arrangements, during 2023, and on the 8th 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 19th of April 2024 and slides are now available.