Infrastructure · Co. Tipperary

Rathduff, Townland of Thomastown Demesne South, Co. Tipperary

Under appeal since 9 Sep 2026 (Granted 14 Aug 2026 by the council)

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Key facts

  • Planning application 2660469 at Rathduff, Townland of Thomastown Demesne South, Co. Tipperary: RED III development which will consist of an amendment…
  • The applicant is Renewable Energy Systems Ltd. The agent is Andrew Mitchell.
  • It was received by Tipperary County Council on 19 May 2026.
  • Status: Under appeal since 9 Sep 2026 (Granted 14 Aug 2026 by the council).
  • The council's decision was appealed to An Coimisiún Pleanála. The appeal decides the outcome, and building work cannot start before it.

Source: the Tipperary County Council planning register, checked 2 Sep 2026. Open the council's file

Planning applications in Co. Tipperary

What and where

RED III development which will consist of an amendment…

RED III development which will consist of an amendment to a previously consented development (planning reference PL92.313424) comprising the reconfiguration and enlargement of the permitted substation layout from c. 24.0m x 19.0m compound with an enlarged compound (c. 54.1m x 25.9m), to include a Solar Farm (IP) section and an ESB section, containing control rooms, power quality equipment, transformers and a 12m x 12m hardstanding area. The development includes ancillary infrastructure such as 2.44m high palisade fencing, lighting, CCTV and internal access tracks, as well as a minor reconfiguration of the permitted solar array, involving the removal of 11 tables of solar panels to accommodate the revised substation footprint. All other infrastructure of the development permitted under PL92.313424 remain unchanged. This development is covered by the provisions of the Renewable Energy Directive III (Directive (EU) 2023/2413) and it is important to note that the planning application may be subject to section 34D of the Planning and Development Act 2000, as amended. When a notice issues in accordance with section 34D(b), the provisions of article 26A of the Planning and Development Regulations 2001 to 2025 shall apply

Location
Townland Of Thomastown Demesne South, Co. Tipperary Map
Planning reference
2660469
Applicant
Renewable Energy Systems Ltd

Numbers and dates

Project type
Infrastructure
Received
19 May 2026
Council decision
14 Aug 2026
Appeal lodged
9 Sep 2026

Timeline

  1. Application received
  2. Granted by the council
  3. Appeal lodged

Outlook

What happens next

The council's decision was appealed to An Coimisiún Pleanála. The appeal decides the outcome, and building work cannot start before it.

An outlook from the planning record, not a tender or a confirmed start date.

Documents and evidence

Check the record

Reviewed build intelligence

What the documents establish

Government document review

Council decision on 14 August 2026 for an amendment to PL92.313424. No final grant or no-appeal claim is made. The parent solar farm and the narrower substation works remain distinct.

4 official documents inspected · Checked 2026-09-06 · Official file index

The decision changes the substation, not the whole solar farm

Substation amendment; council decision recorded, final grant unverified · Tipperary 2660469; amendment to the earlier Rathduff solar permission

What the evidence says
The 14 August 2026 decision enlarges the substation compound to approximately 54.1 m by 25.9 m and removes 11 solar-panel tables to accommodate it. Other infrastructure under the earlier PL92.313424 permission remains unchanged. The notification is not a final grant; it states the development is not authorised until that grant issues.

Why it may matter — interpretation
Interpretation: prevents the repeated parent solar-farm description from becoming new generation capacity.

What is not established
Any later appeal, final grant, installed capacity and commencement are unverified.

Inspect the evidence

Rathduff substation amendment: notification of decision · p.1
removal of 11 tables · Issued 2026-08-14 · Five conditions; not a final grant; old-footprint wording conflicts with the statement · Checked 2026-09-06

removal of 11 tables

The report defines separate power-quality equipment

Substation amendment; council decision recorded, final grant unverified · May amended compound design; solar-farm and ESB sections remain distinct

What the evidence says
The May statement lists a harmonic filter, resistor, reactor with circuit breaker, two capacitor banks with associated breakers and an auxiliary transformer. It separates the solar-farm switch/control rooms from the ESB control room and incoming 38 kV interface. These are source-stated design components, not an equipment order or proof of energisation.

Why it may matter — interpretation
Interpretation: identifies the electrical package without assigning an unverified manufacturer or operating capacity.

What is not established
Final equipment ratings, manufacturer selection, detailed design and installed equipment are unverified.

Inspect the evidence

Rathduff solar-farm amendment: planning and environmental statement · p.11
Power Quality Equipment · Issued 2026-05-19 · Cover and checked date 19 May; approved 13 May; narrow substation amendment · Checked 2026-09-06

Power Quality Equipment

Rathduff substation compound plan and elevations · p.1
HARMONIC FILTER · Issued 2026-05-12 · Figure 3, Revision 1 first issue; explicitly indicative and subject to detailed design · Checked 2026-09-06

HARMONIC FILTER

The drawing separates three rooms within one building

Substation amendment; council decision recorded, final grant unverified · Figure 4, first issue dated 12 May 2026; three room functions in one building

What the evidence says
Figure 4 shows a 12.0 m by 7.3 m building with separate solar-park switch, solar-park control and ESB control rooms. Its elevation labels a 5.8 m height and its key identifies a concrete slab. This is a permitting drawing, not a measured completed building or a full structural specification.

Why it may matter — interpretation
Interpretation: connects the electrical room functions to a defined building package.

What is not established
Final structural system, equipment layouts, construction details and as-built dimensions are unverified.

Inspect the evidence

Rathduff substation building · p.1
CONCRETE SLAB · Issued 2026-05-12 · Figure 4, Revision 1 first issue, permitting drawing · Checked 2026-09-06

CONCRETE SLAB

The previous compound dimensions disagree

Substation amendment; council decision recorded, final grant unverified · Earlier baseline descriptions, not the consistent revised dimensions

What the evidence says
The decision describes the earlier compound as about 24.0 m by 19.0 m, while the May statement describes it as 24.4 m by 13.0 m. Both give the revised footprint as about 54.1 m by 25.9 m. The old baseline is held as a document conflict, so no percentage or area increase is calculated.

Why it may matter — interpretation
Interpretation: avoids an apparently precise but unsupported enlargement calculation.

What is not established
The correct old footprint requires reconciliation with the original approved drawing.

Inspect the evidence

Rathduff substation amendment: notification of decision · p.1
24.0m x 19.0m · Issued 2026-08-14 · Five conditions; not a final grant; old-footprint wording conflicts with the statement · Checked 2026-09-06

24.0m x 19.0m

Rathduff solar-farm amendment: planning and environmental statement · p.6
24.4m in length and 13m in width · Issued 2026-05-19 · Cover and checked date 19 May; approved 13 May; narrow substation amendment · Checked 2026-09-06

24.4m in length and 13m in width

The planning decision does not approve a grid connection

Substation amendment; council decision recorded, final grant unverified · Conditions 2 and 3; separate consent and network interface

What the evidence says
Condition 3 expressly excludes consent to the national-grid connection or its route. Condition 2 ties the amendment to the earlier permission and its expiry. The electrical layout therefore does not establish an agreed or energised grid connection.

Why it may matter — interpretation
Interpretation: distinguishes a planning layout from a completed network agreement.

What is not established
Connection agreement, final routing, energisation and operational acceptance are unverified.

Inspect the evidence

Rathduff substation amendment: notification of decision · p.3
connection to the national grid · Issued 2026-08-14 · Five conditions; not a final grant; old-footprint wording conflicts with the statement · Checked 2026-09-06

connection to the national grid

The council requires dark-green equipment and fencing

Substation amendment; council decision recorded, final grant unverified · Condition 4 and submitted boundary-fence detail

What the evidence says
Condition 4 specifies dark green for the electricity control unit, inverters and fencing. The submitted compound plan separately depicts 2.44 m palisade fencing. These are source-specific appearance and layout requirements; they do not identify a finish product or establish completed work.

Why it may matter — interpretation
Interpretation: retains a concrete finish requirement without inventing its supplier.

What is not established
Final coating system, colour reference, supplier and installation are unverified.

Inspect the evidence

Rathduff substation amendment: notification of decision · p.3
dark green in colour · Issued 2026-08-14 · Five conditions; not a final grant; old-footprint wording conflicts with the statement · Checked 2026-09-06

dark green in colour

Rathduff substation compound plan and elevations · p.1
PALISADE FENCE · Issued 2026-05-12 · Figure 3, Revision 1 first issue; explicitly indicative and subject to detailed design · Checked 2026-09-06

PALISADE FENCE
Remaining document questions
  • Which later official decision, approved detail or revision changes these source-specific findings?
  • Has a phase-specific official record established the selected equipment or installed specification?

Selected pages of 4 government-published PDFs were visually inspected. 46 index rows retained. Selected pages of four supporting PDFs were visually inspected; the wider parent permission and every environmental appendix were not comprehensively reviewed. Proposals do not establish procurement or installed work.

How we know this

From the Tipperary County Council planning register, checked 2 Sep 2026. We link to the council's own file so you can check the official record before you act. Facts from the planning documents were read from the documents in that file.

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