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28.1-hectare solar farm proposed at Tullamore, Co. Offaly

19 December 2025 · Permission.ie Planning Wire · from the Offaly County Council planning register · published 1 September 2026

An applicant lodged plans with Offaly County Council on 19 December 2025 for a 28.1-hectare solar farm at Tullamore. The application seeks an operational life of 10 years.

Key facts

Reference
2560667
Planning authority
Offaly County Council
Location
Derrygrogan Little and Derrygrogan Big, Tullamore, Co. Offaly
Received
19 December 2025
Application type
PERMISSION
Site area
28.1 hectares
Operational life
10 years
Status
INCOMPLETED APPLICATION
Submissions until
31 January 2026 (closed)

In context

It is one of 28 solar farm applications Offaly County Council has received in the past twelve months, against 337 nationally. Of the 573 such applications decided by councils in the past three years, 92% were granted.

What happens next

The five-week window for public submissions has closed. The council normally decides within eight weeks of the application being lodged, unless it requests further information, which stops the clock.

The development description, as lodged

Verbatim from the Offaly County Council register. This is the source for every figure in the story above.

a period of 10 years to construct and complete a Solar PV development with a total site area of c. 28.1 hectares, to include solar PV ground mounted support structures, string inverters, transformer stations, electrical cabling and ducting, internal access tracks and hardstanding areas, perimeter fencing and access gate, CCTV, a temporary construction compound and other ancillary infrastructure including drainage, additional landscaping and habitat enhancement as required and associated site development works relating to the access of the site. The solar farm will be operational for 40 years in the townlands of Derrygrogan Little and Derrygrogan Big, Tullamore, Co. Offaly. A Natura Impact Statement (NIS) has been submitted with this application.

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.

For print or broadcast

Source: Permission.ie analysis of the national planning register, "28.1-hectare solar farm proposed at Tullamore, Co. Offaly", 19 December 2025. https://www.permission.ie/news/offaly-county-council/2560667

For the web (with link)
<p>Source: <a href="https://www.permission.ie/news/offaly-county-council/2560667">28.1-hectare solar farm proposed at Tullamore, Co. Offaly</a>, Permission.ie analysis of the national planning register, 19 December 2025.</p>
Full application record

Map, site boundary, timeline and nearby applications for 2560667.

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