Battery storageDecisionOffaly
Offaly County Council grants permission for 100 MW battery storage plant at Clondallow, Birr, Co. Offaly
19 August 2026 · Permission.ie Planning Wire · from the Offaly County Council planning register · published 1 September 2026
Offaly County Council granted permission on 19 August 2026 for a 100 MW battery storage plant at Clondallow, Birr, an application first lodged on 15 August 2025.
Key facts
- Reference
- 2560367
- Planning authority
- Offaly County Council
- Location
- Clondallow, Birr, Co. Offaly
- Received
- 15 August 2025
- Application type
- PERMISSION
- Site area
- 1.9 hectares
- Stated capacity
- 100 MW
- Status
- DECISION MADE
- Decision
- CONDITIONAL
- Decision date
- 19 August 2026
In context
It is one of 5 battery storage applications Offaly County Council has received in the past twelve months, against 59 nationally. Of the 72 such applications decided by councils in the past three years, 78% were granted.
What happens next
The applicant, or anyone who made a submission on the application, can appeal the decision to An Coimisiún Pleanála within four weeks of 19 August 2026. If no appeal is lodged, the council’s decision stands and a final grant issues.
The development description, as lodged
Verbatim from the Offaly County Council register. This is the source for every figure in the story above.
100MW Battery Energy Storage Station with 53 battery containers and associated equipment, with a control room container, site entrance, and all associated works
Cite this story
Free to quote, reproduce and republish with attribution (CC BY 4.0). Every figure on this page is traceable to the council record linked above; please link to this page so readers can check it too.
Source: Permission.ie analysis of the national planning register, "Offaly County Council grants permission for 100 MW battery storage plant at Clondallow, Birr, Co. Offaly", 19 August 2026. https://www.permission.ie/news/offaly-county-council/2560367
<p>Source: <a href="https://www.permission.ie/news/offaly-county-council/2560367">Offaly County Council grants permission for 100 MW battery storage plant at Clondallow, Birr, Co. Offaly</a>, Permission.ie analysis of the national planning register, 19 August 2026.</p>
Map, site boundary, timeline and nearby applications for 2560367.
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