Dunnstown, Brannockstown, Naas

What’s proposed

EirGrid Plc. with the consent and approval of the Electricity Supply Board (ESB), intend to apply for permission for development on lands to the west of the Dunnstown 400 kV substation within the townland of Dunnstown (Td), Brannockstown, Naas, Co. Kildare. The proposed development will consist of an extension to the western boundary of the existing Dunnstown 400 kV substation to allow connection of series compensation equipment to the Dunnstown-Moneypoint 400 kV circuit. The extension will measure approximately 154m by 138m. Access to the compound will be via the existing substation entrance. The proposed development will comprise the following elements: (1) One 400 kV double circuit end mast (approximately 53m high) to facilitate the diversion of the overhead line into the compound and the decommissioning of existing overhead conductors and surge arrestors; (2) Three 400 kV gantry structures to allow connection of the circuit to the series compensation equipment (approximately 28m high); (3) Three series compensation platforms comprising of capacitor bank, metal oxide varistor, triggered air gap and discharge damping circuit (approximately 11m high to top of equipment on platform); (4) A communication and protection equipment control building (approximately 96.9m² and 5.5m high); (5) Associated 400 kV electrical equipment including insulators, instrument transformers, overhead conductors, disconnectors, circuit breakers, surge arrestors, line traps, lightning masts and filter reactors; (6) All ancillary site development works including site preparation works, site clearance and levelling; hardstanding, internal access tracks and temporary construction compound; underground cabling and earthgrid, surface water drainage network including a soakaway; palisade (approximately 2.6m high) fencing and gates; lighting poles and landscaping as required to facilitate the development