Planning Permission Ireland
Awaiting decisionEnergy

Derrynagall or Ballydaly, Tullamore, Co. Offaly

Revised design for a battery energy storage system (BESS) facility in Tullamore.

2660248 · Offaly County Council · Lodged 5 May 2026

Reference
2660248
Authority
Offaly County Council
Register status
In progress
Type
PERMISSION
Received
5 May 2026

Summary

AI-generated

A 10-year planning permission is sought for a revised site design of a permitted Battery Energy Storage System facility on a 4.9-hectare site. The development will incorporate between 28 and 112 battery containers, an electrical compound, and associated infrastructure.

Energybattery storageenergyinfrastructure

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

  • A 10 year planning permission on a site of approximately 4.9 hectares is sought. The development will consist of: a revised site design for a battery energy storage system facility permitted under ref no. 24/60002, incorporating between 28 no. And 112 no. Battery containers with a difference in height of between 4m? And? 5.5m. Heating, ventilation, and air conditioning (hvac) units, transformers, inverters and underground cabling will also be provided. An associated electrical compound comprising
  • 1 no. A high voltage electrical yard
  • 1 no. Operational and welfare building (29.7 sq m)
  • 1 no. Storage building (91.0 sq m)
  • 1 no. Switchgear building (315 sq m); - an 18m high agl lightening protection mast; and - an auxiliary power supply, transformer, circuit breaker, disconnector, earth switch and ancillary grid equipment. Access will be provided using an existing access track off the l1024 which will be widened on a temporary basis to allow for the delivery of abnormal loads during the construction stage. A new secondary access track connecting to the l1024 will also be provided. All ancillary site development works and infrastructure necessary to facilitate the development including the provision of a temporary construction compound, diesel generator, palisade fencing, landscaping and earth bunding, cctv security monitoring system, surface water drainage, potable water supply, lighting and signage. Fire safety provisions which will include 2 no. Fire water storage tanks; and general enabling works including boundary treatment. Certain details of the proposed development are unconfirmed in the planning application, and an opinion on unconfirmed details from offaly county council pursuant to section 32h(1) of the planning and development act 2000 (as amended) accompanies this planning application. The details unconfirmed in this application are battery height and number of battery containers. The range of parameters under which the battery storage will fall are specified on this site notice and in the design flexibility opinion that accompanies this application

Key dates

Timeline

  1. Application received5 May 2026
  2. Further information requested29 June 2026

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