The proposed development will constitute the construction of a 110 kV ‘Loop In-Loop Out’ (LILO) substation connection to…

Application details

Planning reference

26324733

Council

Laois County Council

Proposal description

The proposed development will constitute the construction of a 110 kV ‘Loop In-Loop Out’ (LILO) substation connection to the existing Cushaling-Port Laois 110kV Overhead line, and an underground tail fed connection to the Coolnabacky 110kV Substation and associated works which will include the following:• The development will consist of a 110kV substation within the townland of Morett, Co. Laois, comprising the following; o Transmission System Operator (TSO) compound with electrical equipment, transformer sub-compound, bus bars subcompound,cable chairs and substation building of 437.5m² (25m x18m), which will be enclosed by palisade fencing of 2.6m containing an area of 1.22 hectares o One 110kV transformer within the Independent Power Producer (IPP) compound, and the provision of an area for a second transformer if future connection is required; o TSO expansion area enclosed by 2.6m high palisade fencing at 0.90 hectares; o Operators compound (with switch room building, electrical equipment and rainwater collection system) enclosed by palisade fencing at 0.43hectares. The proposed operators control building will have a gross floor area of 403.5m2; o Perimeter protection area of post and rail fencing at approximately 1.40 hectares; o 13 no. lightning masts to a height of 18m; o 1 No. telecom pole to a height of 23m. • New entrance to the L-7815 local road from West Parcel (A) shared with the permitted solar farm within the townland of Morett, Co. Laois. • A minimum width of 4.5m and a maximum width of 10.9m access road corridor (1.183m long). • Underground cable corridor of c. 348m in length and provision of 2 no. 21m high mast structures linking the proposed substation to the adjacent existing Cushaling-Portlaoise 110kV Overhead line within the townland of Morett, Co. Laois. • Associated construction works and drainage infrastructure. • Underground Grid Connection (UGC) of a single 110kV circuit to Coolnabacky 110kV Substation traversing the townlands of Derrytrasna, Park Or Dunamase, Aghnahily, Dysart, Coolnacarrick, Heathlodge, Ballygormill North, Ballinlough,Killenny, Raheen, Money Upper, Lamberton Demesne, Greatheath, Cremorgan, Ballygormill South, Carrigeen, Greatheath, Hophall, Ballycarroll, Morett and Powelstown, Co. Laois, with a cable to run predominantly within the public road for a distance of c. 13.7km along the L-7815, L-3813, L7830, L-7832, R-426 public roads, comprising c.12.5km within the public road, and c.1.2km within an existing access road on private lands to Coolnabacky 110kV Substation comprising: o 6 no. ducts in an excavated trench to accommodate 3 no. power cables; o 2 no. fibre communications cables; o 1 no. earth continuity conductor (ECC); o 20 no. joint bays. • A ten-year planning permission is sought. This application is accompanied by a Natura Impact Statement (NIS).

Location / address

Townlands of Derrytrasna, Park Or Dunamase, Aghnahily, Dysart, Coolnacarrick, Heathlodge, Ballygormill North, Ballinlough, Killenny, Raheen, Money Upper, Lamberton Demesne, Greatheath, Cremorgan, Ballygormill South, Carrigeen, Greatheath, Hophall, Ba

Applicant

Perigus Energy Ireland Midco Limited

Application type

PERMISSION

Received / registered

23 Oct 2026

Valid date

23 Oct 2026