Site planning risk brief

THE DEMOLITION OF THE EXISTING WOP STATION (AS APPROVED UNDER OFFALY COUNTY COUNCIL REF. 01/187 / AN BORD PLEANÁLA REF. PL 19.125575 AND ALL SUBSEQUENT PERMISSIONS); AND THE DEVELOPMENT AND OPERATION OF ELECTRICITY GRID SERVICES — NAMELY A BATTERY ENERGY STORAGE SYSTEM (BESS) AND A SYNCHRONOUS CONDENSER (SYNC CON). THE PROPOSED DEVELOPMENT COMPRISES TWO DISTINCT PHASES OF ACTIVITY. PHASE 1 COMPRISES THE DEMOLITION OF EXISTING SITE STRUCTURES (WITH A TOTAL FOOTPRINT OF C. 1 3, 124 SQ.M. AND A TOTAL GROSS FLOOR AREA OFC. 28,000 SQ.M.) INCLUDING THE FORMER WOP STATION, THE INTERMEDIATE PEAT STORAGE BUILDING AND ASSOCIATED FUEL MANAGEMENT SYSTEM; AND ANCILLARY BUILDINGS INCLUDING: ELECTRICAL TIPPLER AND ASSOCIATED CONTROL ROOM AND OFFICE, SCREENING, LORRY UNLOADING, WATER TREATMENT PLANT, OFFICES, LABORATORY, WORKSHOP AND MAINTENANCE BUILDINGS, OIL PUMPHOUSE, ELECTRICS ROOMS, RAILWAY / LOCOMOTIVE SERVICE BUILDING, COOLING WATER PUMP HOUSE AND SEWAGE / FOUL WATER TREATMENT FACILITY. ALL BUILDINGS AND STRUCTURES WILL BE DEMOLISHED TO GROUND LEVEL, AND THE SITE WILL BE REINSTATED AND SECURED WITH BOUNDARY GATES AND FENCES, ETC. ASSOCIATED WITH THE DEMOLITION ACTIVITY THERE WILL BE ON-SITE CRUSHING OF MATERIAL USING MOBILE MACHINERY, FOR THE PURPOSES OF DISPOSAL AND / OR MATERIAL RE-USE. PHASE 2 COMPRISES THE PROPOSED DEVELOPMENT OF THE BESS, SYNC CON; AND ALL ASSOCIATED DEVELOPMENT. THE BESS WILL COMPRISE A 75 MW CAPACITY BATTERY STORAGE FACILITY LOCATED WITHIN FENCED AND GATED COMPOUND AND WILL INCLUDE UP TO 22 NO. BATTERY STORAGE UNITS INCORPORATING A CONCRETE BASE, BATTERY MODULES, ASSOCIATED PLANT AND EQUIPMENT INCLUDING TRANSFORMERS AND INVERTERS A 240 SQ.M. SINGLE-STOREY CONTROL BUILDING; THE SYNC CON WILL COMPRISE A 400 MVA SYNCHRONOUS CONDENSER LOCATED WITHIN A C. 0.7 HA COMPOUND AND WILL INCLUDE A SYNC CON BUILDING (C. 962 SQ.M., C. 14 M HIGH). INCLUDING A MAINTENANCE LAYDOWN AREA; AND A CHAINLINK OR PALISADE FENCE AND ACCESS GATE LINKING WITH THE EXISTING STATION ROADS. BOTH DEVELOPMENTS WILL BE SERVED BY GRID CONNECTIONS, BOUNDARY FENCES AND GATES, AND LANDSCAPING. EXISTING ACCESS ROADS WILL CONTINUE TO BE USED TO SERVE THE NEW DEVELOPMENT AND WILL NOT BE ALTERED. SITE SERVICES —AND A 20 KV RURAL SUPPLY CIRCUIT BREAKER BUILDING (C. 18 SQ.M.), WILL CONTINUE TO BE USED TO SERVE THE NEW DEVELOPMENT. PLANNING PERMISSION IS SOUGHT FOR A DURATION OF 10 YEARS. (FULL DETAILED DESCRIPTION IN ATTACHED APPENDIX A)

The proposed development of area 7.34 ha, will consist of a battery energy storage system (BESS) located within a fenced compound and will (subject to detailed design, commercial and technical considerations) comprise of: Demolition of 4 no. prefabricated structures (c. 876 sq.m total); Up to 768 no. battery energy storage enclosures, organised in approx. 36 no. bays. Each battery enclosure will incorporate battery packs as well as power electronics, battery management systems, cooling units and fire suppression systems. The battery bays will be 5m wide x 3m high and vary in length from 23.8m to 33.7m; 11 no. Medium Voltage (MV) Skids (c. 6m x 10.2m x 2.5m); Control Building (c. 285.3 sq.m); Ancillary plant and equipment comprising of: an emergency diesel generator plinth (c. 28.7 sq.m); two spare parts containers (c. 29.7 sq.m); a fire fighting water tank and pump house (c. c. 62 sq.m); an underground oil separator and collection pit; customer transformer compound including a bunded main step-up transformer (c. 141 sq.m) and firewalls, and High Voltage (HV) switchgear, linking with an underground cable; and auxiliary transformers (c. 4m x 4m x 3m); Operation and Maintenance site office including welfare facilities (c. 27.9 sq.m); All services connections including electrical, water and wastewater and connections to existing surface water drains; 2 no. lightning monopoles (c. 18m high); A c. 135m long, c. 5m tall concrete retaining wall to the east of the site; and All other ancillary site clearance and development works including provision of biodiversity landscaping; areas of hardstanding; internal access roads; lighting; laydown area; fencing and access gates (c. 4m in height); car parking; and connections to site services networks. Planning permission is being sought for a duration of 10-years. WOP Station is licenced by the Environmental Protection Agency under an industrial emissions (IE) licence [Ref. P0611-02]. A Natura Impact Statement (NIS) is submitted with the planning application.

THE CONSTRUCTION & OPERATION OF A 250 MVA (ELECTRICAL RATING) SYNCHRONOUS CONDENSER LOCATED WITHIN A C. 0.8 HA FENCED & GATED COMPOUND & WILL INCLUDE: (A) A SYNC CON BUILDING (C. 962 SQ.M., C. 14 M HIGH) TO HOUSE EQUIPMENT INCLUDING THE GENERATOR, FLYWHEEL, LUBE OIL SKID, AIR COMPRESSOR & PUMPS; (B) ANCILLARY DEVELOPMENT LOCATED WITHIN THE OUTDOOR COMPOUND INCLUDING: COOLING EQUIPMENT (C. 190 SQ.M., C. 3 M HIGH); MODULAR CONTAINERS TO HOUSE ELECTRICAL & CONTROL EQUIPMENT (C. 270 SQ.M., C. 7 M HIGH); A BUNDED TRANSFORMER (C. 150 SQ.M., C. 8 M HIGH) & TWO AUXILIARY TRANSFORMERS (C. 23 SQ.M., 4 M HIGH); A MAINTENANCE CABIN (C. 78 SQ.M.) & ASSOCIATED MAINTENANCE LAYDOWN AREA; TWO SPARE PARTS STORAGE CONTAINERS (2 NO. CONTAINERS, C. 72 SQ.M. EACH); ELECTRICAL EQUIPMENT; FIREFIGHTING WATER TANK (C. 7 M DIA., C. 8 M HIGH) & PUMPS; & AN UNDER-GROUND OIL SEPARATOR & COLLECTION PIT (C. 69 SQ.M); (C) EXTERNAL LIGHTING POLES (C. 6.3 M HIGH), 2 NO. LIGHTNING MONOPOLES (C. 18M HIGH) & POLE MOUNTED CCTV (C. 8.3M HIGH); (D) CONNECTIONS TO EXISTING SITE SERVICES INCLUDING A NEW UNDERGROUND (220KV CABLE) GRID CONNECTION TO THE EXISTING 220KV SHANNONBRIDGE SUBSTATION, CONNECTIONS TO WATER WASTEWATER & SURFACE WATER SYSTEMS, ELECTRICAL CONNECTIONS BETWEEN ITEMS OF EQUIPMENT, & A 20KV RURAL SUPPLY; & (E) ALL OTHER ANCILLARY & MISCELLANEOUS SITE WORKS INCLUDING: TEMPORARY WORKS (E.G. WORKS COMPOUNDS, ACCESSWAYS & SITE SERVICES), SITE CLEARANCE, SITE ACCESS, INTERNAL ROADS & DEVELOPMENT OF AREAS OF HARD ST&ING & CAR PARKING, & A C. 2.6 M HIGH CHAINLINK OR PALISADE FENCE & ACCESS GATE LINKING WITH THE EXISTING ON-SITE STATION ROADS. FOR CLARITY, PRE-EXISTING ACCESS ROADS WILL CONTINUE TO BE USED TO SERVE THE NEW DEVELOPMENT & WILL NOT BE ALTERED. PERMISSION IS SOUGHT FOR THE CONTINUED USE OF THESE ELEMENTS. THE PROPOSED DEVELOPMENT WILL NOT ALTER OR AFFECT EXISTING ESBN NETWORK GRID INFRASTRUCTURE ON THE SITE (INCL SUBSTATIONS, OVERHEAD LINES & ASSOCIATED SUPPORT STRUCTURES) OR THE THIRD PARTY OWNED TELECOMMUNICATIONS MAST. PLANNING PERMISSION IS BEING SOUGHT FOR A DURATION OF 10 YEARS. NOTE FOR INFORMATION PURPOSES: THIS APPLICATION RELATES TO ELEMENTS PREVIOUSLY CONSENTED BY OFFALY COUNTY COUNCIL UNDER REG. REF 22/223. WOP STATION IS LICENCED BY THE ENVIRONMENTAL PROTECTION AGENCY UNDER AN INDUSTRIAL EMISSIONS (IE) LICENCE [REF. P0611-02]. THE APPLICATION INCLUDES A NATURA IMPACT STATEMENT (NIS)

FOR (I) PROVISION OF OPEN AREA BATTERY ENERGY STOREAGE SYSTEM (BESS) COMPOUND (AREA OF 6,200 SQM) CONTAINING BATTERY AND CONTROL SYSTEM ENCLOSURES IN LIEU OF THE APPROVED SINGLE STOREY MAIN BUILDING (FLOOR AREA OF 4,500 SQM), (II) INCREASE IN SIZE (630 SQM), LOCATION AND INTERNAL LAYOUT OF SWITCHGEAR BUILDING IN LIEU OF THAT APPROVED (100 SQM) WHICH SERVES THE MAIN TRANSFORMER ON SITE BEFORE ELECTRICALLY CONNECTING TO THE EXISTING 220KV SHANNONBRIDGE SUBSTATION LOCATED ON LANDS ADJOINING THE SITE TO THE WEST, AND (III) ALL ASSOCIATED SITE WORKS

Alterations to the development of an Energy Storage Facility designed to provide system support services to the Electricity Grid at Cloniffeen, Shannonbridge, Co. Offaly in lieu of that granted under planning permission No. PL2/21/295. The proposed alterations consist of: (i) changes to the type of battery containers and medium voltage power stations (MVPS) unit and a reduction in the number of units from 169no. to 88no., (ii) six new battery storage control modules (combined floor area 163m²), (iii) reorientation and decrease in floor area of the synchronous condenser building from 531m² to 503m², (iv) reorientation and inclusion of three additional synchronous condenser control modules (floor area increases from 148m² to 216m²), (v) reposition of grid transformer, auxiliary transformers, generator circuit breaker, and external air cooling units, (vi) decrease in floor area of the IPP building from 354m² to 147m², (vii) decrease to battery storage compound area from 19,295m² to 11,135m², (viii) increase to the synchronous condenser compound area from 4,060m² to 4,890m², (ix) associated minor changes to internal roads, surface and foul drainage, civil engineering, landscaping, lighting, car parking, and site works

DEVELOPMENT OF AN ENERGY STORAGE SYSTEM (ESS) FACILITY DESIGNED TO PROVIDE SYSTEM SUPPORT SERVICES TO THE ELECTRICITY GRID. THE DEVELOPMENT WILL COMPRISE: (I) AN OPEN AREA BATTERY ENERGY STORAGE SYSTEM (BESS) COMPOUND (AREA OF 19,295SQM) CONTAINING 169 NO. BATTERY AND MEDIUM VOLTAGE POWER STATION (MVPS) ENCLOSURES (13.720M LONG X 2.55M WIDE X 3.902M HIGH), (II) IPP BUILDING (40M LONG X 10M WIDE X 6.853M HIGH), (III) SYNCHRONOUS CONDENSER COMPOUND (AREA OF 4,060SQM) CONTAINING SYNCHRONOUS CONDENSER BUILDING (30.0M LONG X 18.0M WIDE X 12.15M HIGH), 5NO. CONTROL MODULES EACH (12.192M LONG 2.438M WIDE X 3.332M HIGH), ASSOCIATED BUNDED TRANSFORMERS AND ELECTRICAL PLANT, (IV) ELECTRICAL SUBSTATION (AREA OF 2,805SQM) CONTAINING EIRGRID BUILDING (14.509M LONG X 12.509M WIDE X 6.926M HIGH), AND ELECTRICAL PLANT AND BUNDED MAIN TRANSFORMER WHICH WILL ELECTRICALLY CONNECT THE PROPOSED ESS FACILITY, VIA UNDERGROUND CABLE (UGC), TO THE GRID AND TRANSFORMER BAY WITHIN THE EXISTING SHANNONBRIDGE 220KV SUBSTATION LOCATED ON LANDS APPROXIMATELY 230M WEST OF THE PROPOSED ESS FACILITY, AND (V) ALL ANCILLARY DEVELOPMENT, INCLUDING; LIGHTING MAST PROTECTION, PERIMETER FENCING WITH ACCESS GATE AT PRIMARY VEHICLE SITE ENTRANCE WHICH WILL CONNECT TO A LOCAL PUBLIC ROAD PROVIDING ACCESS TO THE R357, LANDSCAPING, LIGHTING, CAR PARKING, INTERNAL ACCESS ROADS AND ALL CIVIL ENGINEERING WORKS FOR THE DISPOSAL OF FOUL AND SURFACE WATER