Transmission Outage Programme 2026 Mid-Year Review
This document is intended to give an overview of our ongoing TOP26 performance, focusing on the following:
• Outages that have been completed to date
• Why outages have been deferred/cancelled
• Any additional work that has been included
• Plan for remainder of TOP26
TOP26-Mid-Year-Review.pdf
Transmission Outage Programme 2026 (Published 2 July 2026)
2026-Transmission-Outage-Programme-20260702.xlsx
Transmission Outage Summary 2026 (Week 28-29)
Transmission-Outage-Summary-2026-Week-28-29.xlsx
Transmission Outage Programme 2026 (Published 19 June 2026)
2026-Transmission-Outage-Programme-20260619.xlsx
Transmission Outage Summary 2026 (Week 26-27)
Transmission-Outage-Summary-2026-Week-26-27.xlsx
Transmission Outage Summary 2026 (Week 24-25)
Transmission-Outage-Summary-2026-Week-24-25.xlsx
Transmission Outage Programme 2026 (Published 25 May 2026)
2026-Transmission-Outage-Programme-20260525.xlsx
Transmission Outage Summary 2026 (Week 22-23)
Transmission-Outage-Summary-2026-Week-22-23.xlsx
Ireland Transmission System Performance Report 2025
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.
Ireland-Transmission-System-Performance-Report-2025.pdf
Transmission Outage Summary 2026 (Week 20-21)
Transmission-Outage-Summary-2026-Week-20-21.xlsx