System Performance Report

EirGrid and SONI, as Transmission System Operators (TSOs) for Ireland and Northern Ireland respectively, are pleased to present the annual Transmission System Performance Report for 2023. This report contains transmission system data and performance statistics for the transmission system in Ireland and Northern Ireland for the year 2023 (1 January 2023 – 31 December 2023)

This report contains transmission system data and performance
statistics for the transmission system in Ireland and Northern
Ireland for the year 2022 (1 January 2022 – 31 December 2022).

​This report contains a monthly breakdown of the All Island Trip Charges for the 2022/2023 tariff year.

​This report contains a monthly breakdown of the All Island Trip Charges for the 2021/2022 tariff year.

All-Island Transmission System Performance Report 2021

This report contains a monthly breakdown of the All Island
Trip Charges for the 2021/2022 tariff year.

This report contains a monthly breakdown of the All Island Trip
Charges for the 2019/2020 tariff year.

This report contains a monthly breakdown of the All-island Trip Charges for the 2018/2019 tariff year.

This report contains a monthly breakdown of the All-island Trip Charges for the 2018/2019 tariff year.

This report contains a monthly breakdown of the Ancillary Services & Other System Charges for the 2017/2018 tariff year.