Transmission

The annual Transmission System Performance Report for 2025 is a comprehensive review of the
transmission system through which EirGrid makes available key system operating data from the previous
year.

This paper summarises the feedback received by EirGrid and ESB Networks, in their respective capacity as Transmission System Operator (TSO) and Transmission Asset Owner (TAO), to the public consultation on the Draft 2024 Annual Electricity Transmission Performance Report (APR) and Draft 2024 Investment Planning and Delivery Report (IPD) which ran from 20 August 2025 to 17 September 2025.

Tiomsaíodh an tuarascáil seo chun forléargas a chur ar fáil do pháirtithe leasmhara ar an gclár forbartha tarchurtha mar a bhí ag deireadh na bliana féilire 2024, agus béim a leagan ar an gcaoi a bhfeidhmíonn gach ceann de na sé chéim, faoi threoir thionscadail 2024.

This report has been compiled to provide stakeholders with an overview of the transmission development programme as at the end of calendar year 2024, and highlight how each of the six steps works, by reference to 2024 projects.

Tá sé d’aidhm ag an tuarascáil seo tuairisciú soiléir agus inrochtana a chur ar fáil do chustaiméirí, don tionscal agus do pháirtithe leasmhara maidir lenár n-oibriú, forbairt agus cothabháil den chóras tarchurtha.

This report seeks to provide customers, industry and stakeholders with clear and accessible reporting on our operation, development and maintenance of the transmission system.