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Monday 31 August 2026

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16/5606

CONDITIONAL

Cork - Cork County Council

Proposed Development

The development of an 110kV substation at the former Mitsui Denman site. The proposed substation will comprise of: a two-storey Gas Insulated Switcher (GIS) 110/20kV substation building, an associated single storey Gas Insulated Switchgear (GIS) 20kV substation building, associated outdoor electrical equipment, including filter banks, transformers, cable sealing ends and surge arresters, two number lightning protection masts (12.5 metres in height), associated internal access road, boundary treatment including substation perimeter fencing and all ancillary site development works. Construction of two number 110kV underground cable ducts between the proposed substation and the existing Eirgrid 110kV substation to the North in Wallingstown. The site area of the proposed substation is approximately 0.60ha. The proposed substation is to support development in the Wallingstown area in Little Island

View the full application file on the council's planning portal →

Application Timeline

  1. Application received

    29 Jun 2016

  2. Decision: CONDITIONAL

    22 Aug 2016

  3. Decision due

    23 Aug 2016

  4. Grant issued

    27 Sept 2016

Application Details

Location
Wallingstown Little Island Co. Cork
Applicant
N/A
Application Type
PERMISSION
Planning Authority
Cork County Council

Timeline

Registration Date
29 June 2016
Status
APPLICATION FINALISED
Decision
CONDITIONAL
Decision Date
22 August 2016
Grant Date
27 September 2016

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

0m
21/5225UNCONDITIONAL7 May 2021

The development of an 110kV substation at the former Mitsui Denman site. The proposed substation will comprise of: a two-storey Gas Insulated Switcher (GIS) 110/20kV substation building, an associated single storey Gas Insulated Switchgear (GIS) 20kV substation building, associated outdoor electrical equipment, including filter banks, transformers, cable sealing ends and surge arresters, two number lightning protection masts (12.5 metres in height), associated internal access road, boundary treatment including substation perimeter fencing and all ancillary site development works. Construction of two number 110kV underground cable ducts between the proposed substation and the existing Eirgrid 110kV substation to the North in Wallingstown. The site area of the proposed substation is approximately 0.60ha. The proposed substation is to support development in the Wallingstown area in Little Island. - Extension of duration of permission granted under planning reference: 16/5606.

Wallingstown Little Island Co. Cork

19m
22/5746CONDITIONAL25 Jul 2022

Development at the site of the permitted, not yet constructed, 110kV substation on the former Mitsui Denman site consisting of modifications to the 110kV substation permitted by Cork County Council under Pl.Reg.No. 16/5606, as extended under Pl.Reg.No. 21/5225. The proposed modifications will consist of: (1) an increase in the floor area of the permitted two-storey Gas Insulated Switchgear (GIS) 110/20kV substation building (Building A) from c.236.34m2 to c.1,291m2, as well as an increase in height from c.10.4m to c.15m; (b) 1 no. additional single-storey 20 kV switch room and protection building (Building C) (c.151m2); (c) an increase in site area from c.06ha to 0.9249ha: (d) all associated site works including 1 no. additional lighting rod (c.12.5m in height), revisions to 2.4m high palisade security fencing, a new sliding gate, a kiosk on a concrete plinth, and the realignment of the 2 no. 110kV underground cable ducts between the proposed substation and the existing EirGrid 110kV substation to the north.

Wallingstown Little Island Co Cork

46m
17/6980CONDITIONAL17 Nov 2017

The proposed development includes 1 no. data centre building with ancillary offices, car parking, waste compound, generators, landscaping, lighting, provision of an access off the R623, the provision of back-up accesses connecting the proposal to the data centre development permitted under 17/5895 and associated boundary alterations and all ancillary site works. The proposal will modify part of an existing consent, 16/5011 for data centre development, modifying that part and also superseding an existing consent for office development under 07/12475.

Wallingstown Little Island Co.Cork

46m
23/5131UNCONDITIONAL2 Jun 2023

1 no. data centre building with ancillary offices, car parking, waste compound, generators, landscaping, lighting, provision of an access off the R623, the provision of back-up accesses connecting the proposal to the data centre development permitted under 17/5895 and associated boundary alterations and all ancillary site works. The proposal will modify part of an existing consent, 16/5011 for data centre development, modifying that part and also superseding an existing consent for office development under 07/12475. Extension of Duration to Permission granted under Planning Ref. No. 17/6980.

Wallingstown Little Island Co.Cork

73m
23/4506Conditional Permission21 Mar 2023

The construction of a single-storey 10/20kV ESB substation and all associated site development works.

The former Mitsui Denman site Wallingstown Little Island Co. Cork

73m
23/4309INCOMPLETED APPLICATION22 Feb 2023

The construction of a single-storey 10/20kV ESB sub-station and all associated site development works.

The former Mitsui Denman site Wallingstown Little Island Co Cork

74m
07/12475CONDITIONAL19 Nov 2007

Demolition of existing structures on site and construction of Phase 1 of a Business Park development to include 4 no. office based industry/enterprise buildings of 2 to 3 storey's with associated roads and access infrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points off the R623 and construction of 4 no. electricity substations

Wallingstown Little Island

74m
07/12319INCOMPLETED APPLICATION12 Nov 2007

Demolition of existing structures on site and construction of Business Park to include 4 no. office based industry/enterprise buildings with associated roads and access intrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points of the R623 and construction of 4 no. electricity sub stations

Wallingstown Little Island

74m
15/5450UNCONDITIONAL2 Jul 2015

Demolition of existing structures on site and construction of Phase 1 of a Business Park development to include 4 no. office based industry/enterprise buildings of 2 to 3 storey's with associated roads and access infrastructure, car parking, landscaping, site level changes, services and ancillary works, construction of 2 no. roundabouts at access points off the R623 and construction of 4 no. electricity substations - Extention of duration of permission granted under planning ref: 07/12475

Wallingstown Little Island Cork

75m
05/7800CONDITIONAL25 Oct 2005

Redevelopment of industrial lands for enterprise use to include site development works including construction of 2 no. entrances, 1 no. security building, ESB substation, internal access roads and hardstanding, car parking, surface water sewer, foul sewer, watermain, fencing, site leveling, lighting, landscaping, entrance water feature, totem pole and signage and construction of 4 no. two storey enterprise units

Wallingstown Little Island

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