Grid Development

Dublin North Fringe 220kV Reinforcement Project Site Selection Review of Constraints Rev 1

This report was produced by Atkins for EirGrid for the specific purpose of Constraints and Route Corridor
Report Executive Summary.

A1 Laois - Kilkenny Reinforcement Project Emerging Preferred Corridor Map AT SCALE 1:55,000

The purpose of this report is to present the process that was undertaken in order to identify a suitable
location for siting the proposed 400/110 kV substation in Laois.

Clashavoon-Dunmanway 110kV OHL Template EirGrid Landowner Survey Letter (Proposed Clashavoon-Dunmanway 110kV OHL)

Renewable Integration Development Project - Towards 2020Renewable Energy Targets

The purpose of this study was to asses the technical implications of installing a
110kV overhead line or cable between Ballyragget 110kV substation and Laois
400kV substation. In order to asses the feasibility of the overhead line/cable circuit,
power flow, short circuit, transient and harmonic studies were carried out.

A4 Clashavoon-Dunmanway 110kV Project Survey Map AT SCALE 1:10,000

The aim of this Phase Two Lead Consultant�s Site and Corridor Evaluation Report (Phase Two Report) is
to evaluate the emerging preferred options identified in the Phase One Lead Consultant�s Site and Corridor
Identification Report (Phase One Report), and any justifiable modifications to the options, following
consideration of all consultation feedback received to date and the iterative engineering design process, in
order to identify the preferred site and connection options.

This Newsletter covers GRID25 PROGRAMME MILESTONES ACHIEVED to date March/April 2011