The townlands of Coolboy Killinskyduff and Kilbride , Co. Wicklow

Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness

2660391 is a planning application for permission at The townlands of Coolboy Killinskyduff and Kilbride , Co. Wicklow, received by Wicklow County Council on 8 May 2026 and first seen by Planning Register on 11 Sept 2026. The application describes: redevelopment of the existing Arklow 220kV / 110kV substation. The proposed development will take place at the existing substation site and adjacent undeveloped lands, in the townlands of Coolboy, Killinskyduff and Kilbride, Co. Wicklow. The overall site measures approximately 13.69 hectares. The Proposed Development will consist of: The addition of a retaining wall of approximately 130 m in length on the western side of the proposed substation redevelopment area; and site earthworks to construct a finished surface level of the site to 34 mOD (meters above Ordnance Datum); construction of a new 220 kV Gas Insulated Switchgear (GIS) building (71.2 m long, 22.2 m wide, 21.6 m in height) (approximately 1,580 sqm); construction of a new 110 kV GIS building (63.9 m long, 15.9 m wide, 16.5 m in height) (approximately 1,016 sqm); both of the GIS Buildings will have lightning protection spikes / rods on each of the roofs (8 no. on the 220 kV GIS building and 10 no. on the 110 kV GIS building) (each 2.5 m in height);construction of 4 no. 220 kV / 110 kV power transformers, and associated fire walls, and connections to the new GIS buildings; erection of 3 no. lightning masts (height 18.7 m), located adjacent to the 220 kV / 110 kV power transformers, and 3 no. lightning protection spikes / rods associated with the gantry towers located northwest of the proposed 220 kV GIS building (total height of gantry tower and protection spikes / rods 15.0 m); erection of 1 no. 110 kV and 2 no. 38 kV line / cable interface steel lattice towers located to the south of the proposed substation redevelopment area and associated overhead line and cable works; replacement of 1 no. existing 110 kV poleset in the Kilbride Industrial Estate (southwest of the L2180 local road) with 1 no. 110 kV steel lattice tension tower; and replacement of 2 no. 38 kV polesets (northeast of the L2180 local road) with 2 no. 38 kV steel lattice tension towers; rerouting of 220 kV and 110 kV overhead lines to facilitate the proposed development; cable connections to the 220 kV GIS and 110 kV GIS buildings; new 4.5 m wide internal access road and 14 no. new permanent car parking spaces; associated site excavation, infrastructural and site development works; above and below ground boundary treatment and landscaping including property gates.property fencing (1.4?m height), internal security gate, security fencing (2.6?m height), lighting, surface water drainage, surface water attenuation pond and foul water t. No decision has been recorded yet. The five-week observation window closed on 12 Jun 2026. Within 500 m there are 11 other decided applications in the last five years.

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