On the 31 August 2023, the System Operators published an amended timetable for the T-4 CY2027/28 Capacity Auction. This is available here.
As a result of the amended Capacity Auction timetable, several milestones within the T-4 CY2027/28 Exception Application Briefing Note (SEM-23-003) have also changed.
This Information Note provides details of the amended milestones.