2025 March - SOEF Markets - FASS – DASSA Top-Up Mechanism Consultation Paper - EirGrid

As per the TSOs' Phased Implementation Roadmap V2.0 and as agreed with the Regulatory Authorities, the TSOs are required to consult on and submit a recommendation paper to the SEM Committee on a proposed DASSA Top-Up Mechanism, as an alternative to the Final Assignment Mechanism (FAM) as per the SEMC decision SEM-24-066.

The TSOs have today published the DASSA Top-Up Mechanism Consultation Paper which describes the Joint RA-TSO Options Assessment process that was implemented to develop a proposal supported by both parties and invites stakeholder feedback on this proposal.

​2025 March - SOEF Markets - FASS - DS3 System Services Tariffs to FASS ('The Gap') Consultation Industry Webinar

As part of the ongoing work to develop Future Arrangements for System Services, EirGrid and SONI held a webinar to provide industry information on the four shortlisted 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) and to address questions received in advance of and during the webinar. The TSOs have today published the content presented during the webinar, including the questions raised by industry during the session and the TSOs' responses.

​Shaping Our Electricity Future Renewable Surplus Databook

​​This databook accompanies a report containing data showing location, size and profile of renewable surplus in Ireland extracted from the analysis carried out for v1.1 of Shaping Our Electricity Future. The report responds to actions in CAP24 and the National Hydrogen Strategy. The report can be found here: https://cms.eirgrid.ie/sites/default/files/publications/SOEF-Renewable-…

​Shaping Our Electricity Future Renewable Surplus Data

​​This report contains data showing location, size and profile of renewable surplus in Ireland extracted from the analysis carried out for v1.1 of Shaping Our Electricity Future. The report responds to actions in CAP24 and the National Hydrogen Strategy. A spreadsheet containing the data used in the reports charts can be found here: https://cms.eirgrid.ie/sites/default/files/publications/SOEF-Renewable-…

​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.