Following elements: • Battery Energy Storage System facility…
SSE Thermal Tawnaghmore Generation Station , Tawnaghmore Upper , Kilala Co. Mayo
Proposed development
The development will consist of the following elements: • Battery Energy Storage System facility, consisting of battery containers with integrated HVAC (Heating, Ventilation, Air Conditioning) units, transformers, inverters, underground cabling, associated control rooms, internal access routes, lighting, CCTV, lightning masts, fencing; • Associated Electrical Compound consisting of: Low voltage operations compound including one (1) single storey control and operational building, electrical plant, cabling, lighting, CCTV, lightning masts, diesel generator and diesel tank, operations and maintenance containers and stores; • High voltage electrical yard comprising outdoor electrical plant and associated compound; • Underground high voltage electrical cable to facilitate a connection to the existing adjacent 110kV Tawnaghmore substation; • Associated landscaping, drainage, decommissioning of existing septic tank and all ancillary works necessary to facilitate the development A 10-year permission is sought in respect of the development. Certain details of the proposed development are unconfirmed in the planning application, and an opinion on unconfirmed details accompanies the application. The Tawnaghmore Power Station has an Environmental Protection Agency (EPA) issued Industrial Emissions (IE) Licence (Reg, No. P0566-02).
What happens next
Permission was granted on 24 Apr 2025. Third parties may appeal within four weeks; after that the permission is final and works can start once a commencement notice is lodged.
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About this page: the facts above come from the statutory public planning register kept by Mayo County Council and are refreshed weekly (last updated 10 Aug 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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