Townland of Ballysumaghan, Srananagh, Co. Sligo

the development will consist of amendments to the permitted but not yet constructed Synchronous Compensator grid stabilisation facility granted under Planning Ref: PL22/352 (Parent Permission). The proposed amendments comprise: a) exclusion of the consented 220kv high voltage gas insulated switchgear (GIS) building and associated compound; and b) a reconfigured and extended high inertia synchronous compensator (HISC) compound containing the consented 1 no. HISC unit enclosed within a steel clad framed style structure (12.1m max height) and all previously consented supporting plant and equipment, additional HV electrical plant and equipment, and all associated and ancillary site works necessary to facilitate the development including: all necessary drainage systems, foundations works, various underground cables and ducts, equipment plinths, internal services roads, rainwater harvesting systems, welfare and office units, material storage containers, compound lighting and palisade gates and fencing, security lighting, CCTV, hardstanding areas and boundary security fence. The remaining elements of the development permitted under Parent Permission Planning Ref: PL22/352 remain unchanged - DEV CONTRIBUTIONS PAID BUT NO COMMEMENCEMENT NOTICE SUBMITTED ON THE BCMS 11/12/2025

to (a) retain rear extension to existing dwelling house (b) elevation changes to existing dwelling house (c) revision of site boundaries to that previously granted planning permission under reference number PL 21/375 (d) retain revised location of effluent treatment unit to that previously granted under reference number PL 21/375 together with all ancillary site works and services on site

A 10 year planning permission for the construction of a: 1. enclosed battery energy storage system compound on a total of up to c. 5.05 hectare site, to include: • 150 battery units set inside storage blocks on concrete support structures containing Heating, ventilation and air conditioning unit (HVAC units); • Transformer and inverter units on concrete support structures; • 1 no. two storey customer 220kV Gas Insulated Substation (GIS) (See Drawing 23553-201 and 23552-202); • 1No. Customer Control Building and 220kV Transformer with associated Switchgear; • 3No. Containing Back-up Generators, Auxiliary Transformers, Switchgear containers, LV and Control Containers; • 1No. Lightning Pole; • 2No. Firewater reservoir ponds with Pumping station and 1No. detention basin with associated drainage systems (as per Drawing 23553-102); • Security gates, 2.6m palisade perimeter security fencing, CCTV and lighting system, landscaping works and all associated ancillary infrastructure; • 4.5m wide Access tracks and site entrance along with upgrade works on the public site access road (c.950m), • Associated electrical cabling and ducting and all other ancillary and miscellaneous site works including site clearance; site access, internal roads and development of areas of hard standing including a maintenance lay-down area. • c.100m of underground cabling ducts and cable to the neighbouring ESB substation. A Natura Impact Statement has been prepared for this proposed development to assess and mitigate any potential ecological impacts. the development will be located at a site in the townland of Ballysumaghan, Fannybrook, Quarry Lane Co. Sligo. The proposed development will have a projected life span of 35 years.

development consisting of the development of a battery energy storage system. The development will consist of a 10 year planning permission for the construction of a: (1) enclosed battery energy storage system compound on a total of up to c. 1.7 hectare site, to include: 1 no. single storey customer substation and 1 no. TSO substation (c. 182m2), control and switch rooms, up to 174 battery units set inside storage blocks on concrete support structures including heating, ventilation and air conditioning unit (HVAC units), transformer and inverter units. Including access tracks and site entrance along with upgrade works on the public roads (c.800m), associated electrical cabling and ducting, security gates, palisade perimeter security fencing (c. 2.6m height), CCTV system, landscaping works and all associated ancillary infrastructure. The total development area including the area of public road improvements is c.2.3 hectares. A Natura Impact Statement has been prepared for this proposed development to assess and mitigate any potential ecological impacts

development consisting of (a) A High Inertia Synchronous Compensator (HISC) compound containing 1 No. HISC unit enclosed within a steel clad framed style structure (12.1m max height) and supported by 7 No. electrical equipment containers (containing ancillary power supply products including static frequency converters, MV switchgear, exciters, LV distribution, control room); 4 No. external cooler units; main, auxiliary & start-up electrical transformers, generator circuit breakers, switchgear equipment, and 1 No. back up diesel generator and associated diesel storage tank; (b) A 220kV High Voltage Gas Insulated Switchgear (GIS) compound containing a GIS building with all control & HV equipment within a single storey building (13.2m max height). The building will be surrounded by a compound road and contained within a 2.6 high galvanised steel palisade fence; (c) A 220kV underground cable to the existing adjoining Eirgrid substation boundary; (d) New access road and entrance from the L5204; (e) All associated and ancillary site works necessary to facilitate the development including: all necessary drainage systems, foundations works for the above compounds, various underground cables and ducts, equipment plinths, internal services roads, rainwater harvesting systems, welfare and office units, 2 No. material storage containers, compound lighting and palisade gates and fencing, security lighting, CCTV, hardstanding areas and boundary security fence. Planning permission to construct the development is sought for a period for 10 years. A Natura Impact Statement (NIS) has been prepared in respect of the proposed development and accompanies the application.

development consisting of: The 10 year permission for the construction and operation of a synchronous condenser facility. The facility will be a fenced compound ca. 1.196ha in size. The development will have a 30 year operational lifetime and will consist of a synchronous condenser, which will include the following elements: generator and flywheel building (ca. 600 sq.m., ca. 12.5m high) to house the equipment including the generator, flywheel, lube oil skid, vacumn skid, TEWAC pump skid, reverse switch cubicle and star point cubicle; SFC start-up equipment room (ca. 43.650 sq.m., ca. 4.20m high); AC/DC room (ca. 81.480 sq.m., ca. 4.20m high); C&P room (ca. 70.685 sq.m., ca. 4.20m high); battery room (ca. 28.130 sq.m., ca. 4.20m high); storage room (ca. 49.200 sq.m., ca. 4.20m high); supporting components of plant within the compound that include: outdoor cooler (ca. 190.925 sq.m., ca. 2.660m high); start-up transformer & auxiliary transformer structure (ca. 68.265 sq.m., ca. 4.50m high; step-up transformer (ca. 170.985 sq.m., ca. 8.0m high) partially surrounded by a fire wall; and, generator circuit breaker (40.160 sq.m., ca.10m high). All other ancillary and miscellaneous site works including: six (6 No.) lightening masts - height of lightening masts will be determined by lightening protection study prior to commencement of construction; site clearance; site access; separation walls (ca. 8m high) to the south of the transformers; internal hardcore access track; and, development of areas of hard standing including a maintenance layout area. The development will be bound by 2.4m high perimeter fencing. The application is accompanied by a Natura Impact Statement (NIS)