New Application · decision due 13 Aug 2026Decision recorded

Energy, SSE Thermal Tawnaghmore Power Station, Tawnaghmore Upper, Killala Co. Mayo

Tawnaghmore Upper, Mayo · Mayo County Council · Plan 2660480 · PB ref PB-3400759019

The Application will replace the previous consented (but unbuilt) BESS facility granted under planning ref (25/60108). The development will consist of the following elements: • BESS facility including battery containers with integrated HVAC (heating, Ventilation, Air Conditioning) units, transformers, inverters, underground...

Indicative value Not listed PB indicative band
Units applied for Not listed public application record
Floor area Not listed no reliable figure indexed
Decision due 13 Aug 2026 public planning date
Commenced None indexed public commencement index
Decision-stage scope

The public decision state is shown, but conditions and later amendments can still change delivery scope.

Application scope

Package signals below are limited to wording in the public application record.

Not procurement evidence

No tender, award, contractor appointment, supplier appointment or procurement timetable is inferred.

Opportunity & supplier intelligence

What is known, and what may happen next

Source-linked

Timing is a planning-stage outlook, not a tender, award, contractor appointment, supplier appointment or guaranteed procurement date.

Likely procurement timing Post-decision monitoring

A planning decision is recorded and no linked commencement is indexed. Conditions, procurement and start timing remain unconfirmed.

Decision date 11 Aug 2026. / Confidence: Low
Decision CONDITIONAL

Decision date 11 Aug 2026.

Commencement activity No linked activity indexed

No commencement indexed / This is an index state, not proof that no works have started.

Source limited
Drawings availability Drawing availability not indexed

No drawing entry is available in this lead's bounded document evidence.

Source limited

Confirmed application scope

The Application will replace the previous consented (but unbuilt) BESS facility granted under planning ref (25/60108). The development will consist of the following elements: • BESS facility including battery containers with integrated HVAC (heating, Ventilation, Air Conditioning) units, transformers, inverters, underground cabling, internal access roads, lighting, CCTV and perimeter fencing; • Associated Electrical Compound consisting of a Low Voltage Operations Independent Power Producer (IPP) Compound...

Ref 2660480 Source-linked Official application description for exact planning reference 2660480

Public source roles

Sse Renewables Ireland Ltd
Applicant / promoter on the public planning record
Application role only; current development or appointment status is not confirmed.

Explicit source signals only

0 packages

No work package meets the explicit source, reference and locator threshold. PlanningBrief does not pad this list with generic trades.

Confidence & provenance 0 official sources
Authority
Mayo County Council
Exact reference
2660480
Evidence reviewed
7 Sep 2026
Confidence
Source-linked

Facts come from the indexed public planning record and any bounded structured document evidence. No request-time official fetch, tender, award or appointment inference is used.

Application-stage scope

What the public record evidences

3 source-supported signals
Energy

Energy

The public application record identifies energy in the submitted planning scope.

2660480Explicit application record
Site works

Roads and site-development scope

The public application description explicitly references roads and site-development scope.

2660480Explicit description signal
Services

Services / drainage scope

The public application description explicitly references services / drainage scope.

2660480Explicit description signal

Only source-supported scope signals are shown; generic trade padding is omitted.

Project facts

Named source parties

Promoter
Sse Renewables Ireland Ltd
Planning agent
Caitriona Fox
Agent address
Malachy Walsh and Partners ReenPoint, Blennerville, Tralee Co. Kerry V92 X2TK
Official description

Application text

The Application will replace the previous consented (but unbuilt) BESS facility granted under planning ref (25/60108). The development will consist of the following elements: • BESS facility including battery containers with integrated HVAC (heating, Ventilation, Air Conditioning) units, transformers, inverters, underground cabling, internal access roads, lighting, CCTV and perimeter fencing; • Associated Electrical Compound consisting of a Low Voltage Operations Independent Power Producer (IPP) Compound including a single storey control and operations building, switchgear room, storage container, car parking, welfare/office facilities; • High voltage electrical yard and Eirgrid 110kV substation building; • 264 meters long 110kV single circuit underground grid connection (UGC) within SSE lands and 119 meters within the existing ESB 110kV Substation lands to facilitate the grid connection to the existing adjacent Tawnaghmore substation; • Proposed internal access tracks to BESS facility, including 4 no. new gate entrances • Reinforced concrete and retaining walls; • A temporary construction compound and associated temporary infrastructure to facilitate the development; • Associated landscaping, drainage, decommissioning of existing septic tank and ancillary works. A 10-year permission is sought in respect of the development. Certain details of the proposed development are unconfirmed in the planning application, and an opinion on unconfirmed details accompanies the application. The Tawnaghmore Power Station has an Environmental Protection Agency (EPA) issued Industrial Emissions (IE) Licence (Reg, No. P0566-02).

Source-aware chronology

Application to site progress

Empty lanes explain their state.
AppealsAn Coimisiún Pleanála
  1. Appeal No appeal indexed No public appeal record is indexed against this application.
CommencementPublic commencement index
  1. Commenced No commencement indexed No reliable public commencement record is indexed against this permission.
CompletionPublic completion projection
  1. Completed Completion not recorded No privacy-cleared exact completion certificate is linked to this permission. Absence is not evidence that the project is incomplete.
Evidence register

Source, scope and limits

Public planning record
Application description and scale 2660480

The Application will replace the previous consented (but unbuilt) BESS facility granted under planning ref (25/60108). The development will consist of the following elements: • BESS facility including battery containers with integrated HVAC (heating, Ventilation, Air Conditioning) units, transformers, inverters, underground cabling, internal access roads, lighting, CCTV and perimeter fencing; • Associated Electrical Compound consisting of a Low Voltage Operations Independent Power Producer (IPP) Compound including a single storey control and operations building, switchgear room, storage container, car parking, welfare/office facilities; • High voltage electrical yard and Eirgrid 110kV substation building; • 264 meters long 110kV single circuit underground grid connection (UGC) within SSE lands and 119 meters within the existing ESB 110kV Substation lands to facilitate the grid connection to the existing adjacent Tawnaghmore substation; • Proposed internal access tracks to BESS facility, including 4 no. new gate entrances • Reinforced concrete and retaining walls; • A temporary construction compound and associated temporary infrastructure to facilitate the development; • Associated landscaping, drainage, decommissioning of existing septic tank and ancillary works. A 10-year permission is sought in respect of the development. Certain details of the proposed development are unconfirmed in the planning application, and an opinion on unconfirmed details accompanies the application. The Tawnaghmore Power Station has an Environmental Protection Agency (EPA) issued Industrial Emissions (IE) Licence (Reg, No. P0566-02).

AuthorityMayo County Council
Reference2660480
StatusChecked 7 Sep 2026
Open official record