GrantedDecision recorded

Telecoms, Existing Castlebar - Dalton 110kV overhead power line, See Particulars...

See Particulars For Multiple Townlands, Mayo · Mayo County Council · Plan 2560928 · PB ref PB-10000333666

EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Castlebar - Dalton 110 kV overhead line (OHL). The proposed development will take place within the following townlands: Liscromwell Carrowkeel Brees Breandrum or Windsor Prison...

Indicative value Not listed PB indicative band
Units applied for Not listed public application record
Floor area Not listed no reliable figure indexed
Decision 12 Feb 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 12 Feb 2026. / Confidence: Low
Decision CONDITIONAL

Decision date 12 Feb 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

EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Castlebar - Dalton 110 kV overhead line (OHL). The proposed development will take place within the following townlands: Liscromwell Carrowkeel Brees Breandrum or Windsor Prison South Facefield Aghalusky Drumnaslooeen Mossbrook Cloontybaunan Ballinagran Ballynastangford Lower Derrynamraher Rathredmond Birchfield Cappavicar South Dooros Garrywadreen Keelkill Drumadoon...

Ref 2560928 Source-linked Official application description for exact planning reference 2560928

Public source roles

Eirgrid Plc
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
2560928
Evidence reviewed
2 Jun 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

2 source-supported signals
Telecoms

Telecoms

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

2560928Explicit application record
Site works

Roads and site-development scope

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

2560928Explicit description signal

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

Project facts

Named source parties

Promoter
Eirgrid Plc
Planning agent
Darragh Malone
Agent address
Atkins House 150 Airside Business Park Swords, Co Dublin K67 K5W4
Official description

Application text

EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Castlebar - Dalton 110 kV overhead line (OHL). The proposed development will take place within the following townlands: Liscromwell Carrowkeel Brees Breandrum or Windsor Prison South Facefield Aghalusky Drumnaslooeen Mossbrook Cloontybaunan Ballinagran Ballynastangford Lower Derrynamraher Rathredmond Birchfield Cappavicar South Dooros Garrywadreen Keelkill Drumadoon Drumneen Ballinvoash Legaun Ballynastangford Upper Gneeve Ballymacloughlin Drumneen (Prendergast) Lisnaran Ballyrourke Ballynew Drumcorrabaun Pollavaddy Eskerlevally Kilmacrade Moat Drumneen South Burris Garhawnagh Castlegar Barrackland Carrowgarve Crantahar Rinnahulty Knocknamoghalaun Drumkeen Carrowmore Rathduff Clare Derreen Heathlawn Kilbeg-Malone Prison North Coolaghbaun The Castlebar - Dalton 110 kV circuit is 27.8 km in length and runs between the existing Castlebar 110 kV substation in the townland of Aghalusky in central County Mayo, to Dalton 110 kV substation located in the townland of Clare, eastern County Mayo. The OHL has a total of 144no. supporting structures. The proposed development will comprise: ? the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between Castlebar 110 kV and the Dalton 110 kV substations; ? the replacement of end mast in-situ at 1no. location, with a similar structure; ? the replacement of angle masts in-situ at 6no. locations, with similar structures; ? the strengthening of tower foundations at 4no. locations; ? the strengthening of towers (i.e., member replacement) at 10no. locations; ? the painting of towers at 10no. locations; ? the replacement of tower bolts at 3no. locations; ? the replacement of polesets at 48no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 24 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m; ? the replacement of insulating and ancillary hardware at all structure locations; ? the replacement of earthwire between structure number 132 and structure number 144; ? the replacement of stay wire / anchors and associated fittings at 16no. locations; ? the replacement of crossarms at 58no. locations; ? all associated temporary site development works to gain access to the existing structures inclu

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 2560928

EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Castlebar - Dalton 110 kV overhead line (OHL). The proposed development will take place within the following townlands: Liscromwell Carrowkeel Brees Breandrum or Windsor Prison South Facefield Aghalusky Drumnaslooeen Mossbrook Cloontybaunan Ballinagran Ballynastangford Lower Derrynamraher Rathredmond Birchfield Cappavicar South Dooros Garrywadreen Keelkill Drumadoon Drumneen Ballinvoash Legaun Ballynastangford Upper Gneeve Ballymacloughlin Drumneen (Prendergast) Lisnaran Ballyrourke Ballynew Drumcorrabaun Pollavaddy Eskerlevally Kilmacrade Moat Drumneen South Burris Garhawnagh Castlegar Barrackland Carrowgarve Crantahar Rinnahulty Knocknamoghalaun Drumkeen Carrowmore Rathduff Clare Derreen Heathlawn Kilbeg-Malone Prison North Coolaghbaun The Castlebar - Dalton 110 kV circuit is 27.8 km in length and runs between the existing Castlebar 110 kV substation in the townland of Aghalusky in central County Mayo, to Dalton 110 kV substation located in the townland of Clare, eastern County Mayo. The OHL has a total of 144no. supporting structures. The proposed development will comprise: ? the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between Castlebar 110 kV and the Dalton 110 kV substations; ? the replacement of end mast in-situ at 1no. location, with a similar structure; ? the replacement of angle masts in-situ at 6no. locations, with similar structures; ? the strengthening of tower foundations at 4no. locations; ? the strengthening of towers (i.e., member replacement) at 10no. locations; ? the painting of towers at 10no. locations; ? the replacement of tower bolts at 3no. locations; ? the replacement of polesets at 48no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 24 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m; ? the replacement of insulating and ancillary hardware at all structure locations; ? the replacement of earthwire between structure number 132 and structure number 144; ? the replacement of stay wire / anchors and associated fittings at 16no. locations; ? the replacement of crossarms at 58no. locations; ? all associated temporary site development works to gain access to the existing structures inclu

AuthorityMayo County Council
Reference2560928
StatusChecked 2 Jun 2026
Open official record