2024 September - SOEF Markets - SS Charge Consultation Workshop Q&A

10 September 2024

SONI and EirGrid held a virtual industry workshop on Thursday 5th September 2024, where the TSOs and our partners Afry presented the All-Island System Services Supplier Charge Consultation Paper and hosted a Q&A session. This document contains the questions asked at the workshop and the TSOs' responses.

​ Harmonised Other System Charges Methodology Statement Applicable from 01st October 2024

10 September 2024

Other System Charges (OSC) are levied for non-compliance to provide necessary services to the system. This document sets out the harmonised arrangements for the calculation of Other System Charges by the Transmission System Operators (TSOs), EirGrid in Ireland and SONI in Northern Ireland respectively, in accordance with the Regulatory Authorities' (RAs) Decision Paper SEM-24-057.

2024 September - SOEF Markets - FASS- SS Charge Consultation Workshop Slides

10 September 2024

SONI and EirGrid held a virtual industry workshop on Thursday 5th September 2024, where the TSOs and our partners Afry presented the All-Island System Services Supplier Charge Consultation Paper and hosted a Q&A session. This document contains the slides presented at the workshop.

SONI Transmission Outage Summary 2024 (Week 35-36)

06 September 2024

Summary of the SONI Transmission Outages over the next two weeks

Annual Audit of the Scheduling and Dispatch Process 2024 and 2025 Terms of Reference

02 September 2024

Annual Audit of the Scheduling and Dispatch Process 2024 and 2025 Terms of Reference

SONI Transmission Outage Summary 2024 (Week 34-35)

02 September 2024

Summary of the SONI Transmission Outages over the next two weeks

SONI Transmission Outage Summary 2024 (Week 33-34)

02 September 2024

Summary of the SONI Transmission Outages over the next two weeks

​​Approved 2024/25 Generator Use of System Charges (GTUoS) - Accompanying Note

29 August 2024

​​Approved 2024/25 Generator Use of System Charges (GTUoS) - Accompanying Note

SONI Transmission Use of System Charging Statement 2024/25

29 August 2024

SONI Transmission Use of System Charging Statement 2024/25