SONI Annual Performance Report 2022/23

21 December 2023

Read our Annual Performance Report 2022/23

National Resource Adequacy Assessment Methodology Northern Ireland and Ireland

04 December 2023

Consultation of the proposed approach to long term adequacy studies, enhancing the current methodology used in the Generation Capacity Statement.

Scheduling and Dispatch Independent Assurance Report on for the 12 month period ended 31 December 2022

30 November 2023

​An agreed variation in the scope was made from the published Terms of Reference (ToR) in consultation with the Regulatory Authorities (Scheduling and Dispatch 2022-23 Terms of Reference).

SONI Transmission Outage Summary 2023 (Week 46-47)

17 November 2023

Summary of the SONI Transmission Outages over the next two weeks

SONI Transmission Outage Summary 2023 (Week 45-46)

10 November 2023

Summary of the SONI Transmission Outages over the next two weeks

Quarterly Imperfections Cost Report Q4 Jul-Sep-TY2022-23

07 November 2023

Quarterly update of factors affecting Imperfections costs.

Harmonised Other System Charges Methodology Statement 2023

07 November 2023

This document sets out the harmonised arrangements for the calculation of Other System Charges by the Transmission System Operators (TSOs).

SONI Transmission Outage Summary 2023 (Week 44-45)

03 November 2023

Summary of the SONI Transmission Outages over the next two weeks

Tomorrow’s Energy Scenarios 2023 Consultation Report

01 November 2023

The report explains what this could mean for electricity demand, generation, storage and interconnection supported by different technologies.