Construction/ installation of an Open Cycle Gas Turbine generating unit

Proposed development

The proposed development will comprise the following: Construction/ installation of an Open Cycle Gas Turbine (OCGT) generating unit and associated plant and equipment, comprising the following main components: An exhaust stack 35m in height and 9m internal diameter Gas Turbine Air Intake (10.9m L x 20.5m W x 32.5m H) Generator building (16.5m L x 15.1m W x 13.1m H) Gas turbine building (22m L x 43.2m W x 24m H) including Gas Turbine enclosure and auxiliaries and loading/ rotor turning area Exhaust Diffuser including silencer (38m L x 9m W x 9m H) Gas Turbine Power Control and Electrical C&I (Electrical PECC) Module including transformers (18m L x 10.5m W x 6.0m H) Fin Fan Cooler package (24.2m L x 11.2m W x 6.4m H) Step Up Transformer (11.6m L x 23.2m W x 10.4m H) with 9.7m high blast wall Auxiliary Transformer (5.3m L x 4.0m W x 4.9m H) with 4.2m high blast wall Demineralised Water Tank (20m diameter and 24.5m H) Demineralised water pumphouse (10m L x 5m W x 5m H) 2No Raw/ Fire Water Tanks (14m Diameter and 15.5m H) 2No Distillate Fuel (Secondary/Emergency) Oil Tank (26m diameter and 20.7m H) Fuel Oil Bund (46m L x 82m W x 5.5m H) Fuel Oil unloading and Forwarding Pumphouse (46m L x 11m W x 5m H) Fire Fighting Pumphouse (10m L x 8m W x 5m H) Fire Fighting foam tanks and bund (8m L x 7m W x 2m H) Emergency diesel generator (6m L x 2.4m W x 2.8m H) Generator Circuit Breaker (2.3m L x 4.3m W x 1.5m H) Gas Heating area including hot water heaters (25m L x 13m W x 8.0m H), Continuous Emissions Monitoring System enclosure [CEMS] (2.1m L x 2.0m W x 2.4m H) Workshop, and Administration Building (34.5m L x 13.5m W x 9.5m H) 2no. Stores buildings (15m L x 10m W x 8m H) Propane Skid (16.2m L x 4.9m W 3.5m H) The Proposed Development will also comprise site enabling, services and development works necessary to facilitate the Proposed Development, including temporary construction compound and laydown area, palisade perimeter fencing, fire walls, above-ground pipe racks (4.4m wide and up to 7m high to underside of steel), underground cables, lighting, lightning masts, parking, landscaping, underground drainage tanks and surface water drainage. The planning application is accompanied by an Environmental Impact Assessment Report (EIAR). The EIAR contains an assessment of the Proposed Development, the subject of the planning application to Fingal County Council, and the future related substation, grid connection route and gas infrastructure. The development consists of an activity for which an Industrial Emissions Licence is required. The application site is located within lands which are categorised as Lower Tier COMAH site (Huntstown Power Station) and therefore fall under the requirements of the Control of Major Accident Hazard (COMAH) Regulations, 2015. The Planning Application and Environmental Impact Assessment Report may be inspected or purchased at a fee not exceeding the reasonable cost of making a copy at the offices of the Planning Authority during its public opening hours. Additional information received 17/08/26

Planning status

Permission was granted on 9 Oct 2026. 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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