Construction of a Solar PV development, a Battery Energy Storage System facility at Mullycagh Upper
Mullycagh Upper, Co. Wicklow
65.4 ha · Under appeal since April 2026
Planning application 2560247 to Wicklow County Council: Construction of a Solar PV development, a Battery Energy Storage System facility, at Mullycagh Upper. Now under appeal to An Coimisiún Pleanála.
Timeline
- Application lodged
- Further information requested
- Further information received
- Council decided
- Appealed to An Coimisiún Pleanála
Key facts
Proposed development
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
Planning status
The decision has been appealed to An Coimisiún Pleanála. The appeal outcome replaces the council decision.
Appeal PL-501149-WW-26 x2 on the An Coimisiún Pleanála website ↗
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Related
About this page: the facts above come from the statutory public planning register kept by Wicklow County Council and are refreshed weekly (last updated 12 Oct 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.
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