Customer Information

This document outlines the proposed Generator Transmission Use of System (GTUoS) charges for both Ireland and Northern Ireland as calculated by the Transmission System Operators (TSOs) for the 2025/2026 tariff year.

After the ECP 2.4 constraint forecast publications and webinars, several queries were received from the industry. The purpose of this paper is to capture and respond to queries received from industry through different engagements to benefit the wider industry. The productive engagements with different stakeholders have led to changes, updates, additional information published for ECP 2.4 constraint forecast, and improvements for consideration in ECP -2.5 constraint forecast.

​​ECP-2.4 Constraints Analysis – Individual Area Results Webinar Slides

ECP-2.4 IE Battery List

This report contains the list of applicants that will be processed under Category A as part of the 2024 ECP2.5 batch following payment of the balance of application fees to the relevant SO. As per the decision paper, the first 25 projectsin category A were selected on the basis of renewable output, with the projects having the largest volume of renewable GWhrs/yr generated being granted the highest priority. The subsequent 40 projects were selected in order of planning permission grant date. There is a cap of 10 storage and other system service technology projects in each ECP-2 batch.