​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.

​2025 April - SOEF Markets - FASS - Volume Forecasting Methodology Recommendations Paper

This paper sets out the TSOs’ recommendations to the SEMC regarding the DASSA Volume Forecasting Methodology, 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.