2025 June - SOEF Markets - FASS - DS3 System Services Tariffs to FASS ('The Gap') Recommendations Paper

​​This paper sets out the TSOs' recommendations to the SEMC regarding the DS3 System Services Tariffs to FASS ('The Gap'), reflecting the feedback received on the Consultation Paper through stakeholders' written responses and input to the industry workshop. This paper also summarises that feedback and provides the TSOs' commentary in response.

​SOEF Markets - FASS - TSOs' Phased Implementation Roadmap - June 2025

​The Phased Implementation Roadmap (PIR) outlines the programme roadmap for the delivery of the Future Arrangements for System Services (FASS) and focuses on the key programme activities and milestones leading to the go live date. This document presents the third iteration (V3.0) of the Phased Implementation Roadmap.