​2025 March - SOEF Markets - FASS - All-Island System Services Supplier Charge Recommendations Paper

This paper sets out the TSOs’ recommendations to the SEMC regarding the implementation of the FASS Charge, 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.

Operational Policy Roadmap 2025-2035

​In 2022, SONI and EirGrid published an Operational Policy Roadmap out to 2030 setting out their targets for evolving key operational policies related to facilitating increased levels of renewable generation on the power system. These targets included increases in the System Non-Synchronous Penetration (SNSP) limit and reductions in the Minimum Number of Units (MNOU) requirements. This 2025 update to the Operational Policy Roadmap reflects the current state of implementation, new initiatives, challenges, updated policies and targets out to 2035.

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

As part of the ongoing work to develop Future Arrangements for System Services, EirGrid and SONI have shortlisted four options to address the period between the end of the current DS3 Regulated Arrangements and the go-live of the DASSA (including the TSOs' recommended option). The TSOs have today published a consultation paper on the DS3 System Services Tariffs to FASS ('The Gap') Consultation Paper. Responses to the question set out in this paper should be submitted through either the EirGrid or the SONI portal by 25 March 2025.

2025 January - SOEF Markets - FASS - System Services Code Plain English Version First Draft

Please find the System Services Code Plain English Version (PEV) First Draft. It has been developed by working collaboratively with the System Services Code Industry Working Group, interpretating SEM Committee decisions published so far in relation to FASS.

2025 January - SOEF Markets - FASS - System Services Code Working Group 4 Slides

Please find the slides presented and the minutes recorded at the System Services Code Working Group sessions. These sessions were held from June 2024 to January 2025. The TSOs will publish further minutes and slides of the sessions as they continue to progress.

2024 December - SOEF Markets - FASS - System Services Code Working Group 3 Slides

Please find the slides presented and the minutes recorded at the System Services Code Working Group sessions. These sessions were held from June 2024 to January 2025. The TSOs will publish further minutes and slides of the sessions as they continue to progress.