Indicative All-Island Tariff Timetable 2025
This document sets out indicative key dates of interest for participants relating to the programme for the setting of the All-Island Tariffs for the tariff period 2025/26 and calendar year 2026, as applicable.
Update: The Indicative All-Island Tariff Timetable, originally published on 21 March, has been updated with one minor change to the Generator Testing Tariff timeline. The SEM Generator Testing Tariff paper closure date for comments has changed from Early September to Mid September.