Construction of a Solar PV development, a Battery Energy Storage System facility (BESS) and all ancillary works on a ca.

Application details

Planning reference

2560247

Council

Wicklow County Council

Proposal description

Construction of a Solar PV development, a Battery Energy Storage System facility (BESS) and all ancillary works on a ca. 65.4 ha site consisting of: Solar PV panels laid out in arrays across the Site; A 38kV substation building ((13.8 (l) and 7.4 (w)) and associated compound area, a transformer unit (ca. 5.8m x ca. 8.45m) and associated bund; 192 number Battery Energy Storage System units comprising 22 modules (ca. 3.1m x ca.3.1m); 6 MV Skid/Power Hubs (ca. 9.45m x ca.2.1m), 24 number inverter units (ca. 3m x ca.2.6m); Upgrade of 1 No. existing Site entrance; 1 No. temporary construction compound; Electrical and communications cabling; Pole-mounted security cameras; Perimeter security fencing (2m high) and security gates; Internal access tracks; All associated ancillary development, landscaping and reinstatement works. The operational lifetime of the proposed development will be 40-years. A Natura Impact Statement will accompany the planning application

Location / address

Mullycagh Upper , Co. Wicklow

Application type

PERMISSION

Received / registered

4 Apr 2025

Council decision

CONDITIONAL

Council decision date

20 Mar 2026

Appeal lodged

14 Apr 2026

Planning timeline

Key dated milestones from the planning record.

1. Application received

   4 Apr 2025

2. Further information requested

   28 May 2025

3. Further information received

   29 Jan 2026

4. Decision: CONDITIONAL

   20 Mar 2026

5. Appeal lodged

   14 Apr 2026