Existing Castlebar - Dalton 110kV overhead power line, See Particulars for multiple townlands, Co Mayo
Uprating of the existing 27.8 km Castlebar to Dalton 110kV overhead power line across multiple townlands in County Mayo.
2560928 · Mayo County Council · Lodged 15 December 2025
- Reference
- 2560928
- Authority
- Mayo County Council
- Register status
- Decided
- Type
- PERMISSION
- Received
- 15 December 2025
Summary
AI-generatedEirGrid PLC seeks permission to uprate the existing Castlebar - Dalton 110 kV overhead line. The circuit spans 27.8 km between the Castlebar and Dalton substations, crossing numerous townlands in County Mayo.
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
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
Key dates
Timeline
- Application received15 December 2025
- Decision due17 February 2026
- Decision issued12 February 2026
- Grant issued16 March 2026
- Permission expiry15 March 2031
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedInfrastructure
EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for…
Existing Cashla - Dalton 110kV overhead power line , Dalgan Demesne Pollbaun Carrowbeg West Gorteens Seefin Brookhill Carrowmore Ballyhankeen Rushbrook East Ballycusheen Scardaun West Millbrook Milford Demesne Curraghadooey Lisduff Rathgranagher (Mil
2560709MayoLodged 9 Oct 2025
- GrantedInfrastructure
To refurbish the existing Castlebar-Cloon 110kV overhead line, which is approximately 57km long, and…
Cloonascragh ,
221030galwayLodged 7 Sept 2022
- GrantedInfrastructure
The existing circuit is located in the townlands of Gorteen, Ardoughan, Kilemoremoy, Belleek, Ballina,…
Townlands of Gorteen Ardoughan Kilemoremoy Belleek Ballina Quignalecka Quignashee Ballyholan Behy More Corimla South Carrownlabaun Bunnyconnellan West Rathreedaun Drumsheen and Bunnyconnellan East Co. Mayo , County , Mayo
2360261MayoLodged 4 Jul 2023
- GrantedInfrastructure
The existing Bandon to Dunmanway 110 kV Overhead Line (OHL), which is approximately 26km long between the…
Acres, Aghalinane, Ballyhalwick,Balteenbrack, , Behagh, Caher, Carhoon West, Castlelands, Derrycoo, Gortnamucklagh, Gurteen, Gurteenroe, Kilnacranagh, Lissacroneen, Mallowgaton, Mishells, Murragh, Roug
23654corkLodged 17 Nov 2023
- GrantedInfrastructure
For develop at existing Grt Isl-Kk 110kV Overhead Line, approx 49kms long.Approx 46.4km of existing circuit…
Great Island to , Kilkenny Overhead Line
18573KilkennyLodged 30 Aug 2018
- GrantedInfrastructure
The proposed development will comprise — the replacement (“restringing”) of the existing overhead line…
Lanesborough Aghamore Knock Gorteengar Tullyvrane Lehery Magheraveen Cloonfore Derrygeel Derryshannoge Derraghan More Derraghan Beg Derryad Derrylough Derryweagh Foygh Cornacarta Tirlickeen Lismacmurrogh Lislom Moygh Drinan , Knappoge Barry Agharanag
2360124LongfordLodged 4 Sept 2023
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.