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Planning application

Power Station Arnish Isle Of Lewis

Granted Na h-Eileanan Siar 26/00051/PPD Planning Permission (Detailed)

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Construct new steel frame diesel fired power station within the site of the existing Arnish Power Station to increase the back-up generation capacity on the island by up to 15MW, containing generator hall, mess rooms, WCs, office, control room and workshops and external ancillary equipment required for the operation of the generators.

As published by the council, reference 26/00051/PPD

Application record

Reference
26/00051/PPD
Type
Planning Permission (Detailed)
Status
Decided
Decision
Granted As published: Application Permitted with conditions
Received
11 Feb 2026
Validated
16 Feb 2026
Decided
18 Sep 2026
Ward
Steòrnabhagh A Tuath
Parish
Stornoway
Decision by
Delegated Decision

Timeline

Dates from the published record

  1. 11 Feb 2026

    Received by Na h-Eileanan Siar

  2. 16 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 27 Jul 2026

    Added to PlanIndex

  4. 18 Sep 2026

    Decision issued: Application Permitted with conditions

Who's behind it

Company information only, from the register and Companies House

Mott Macdonald Ltd Agent, registered in London

Active · incorporated 1976 · London

176 applications on PlanIndex · across 43 councils · 99% granted

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Documents

Plans, drawings, consultee responses and the officer's report

22 documents on file for this application

  • 01A APPROVED LOCATION AND SITE PLAN Drawing · 18 Sep 2026
  • 02A APPROVED PROPOSED GENERAL ARRANGEMENT Drawing · 18 Sep 2026
  • 04A APPROVED PROPOSED FLOOR PLAN Drawing · 18 Sep 2026
  • 03A APPROVED PROPOSED ELEVATIONS Drawing · 18 Sep 2026
  • DECISION NOTICE Decision · 18 Sep 2026
  • REPORT ON HANDLING Report - Delegated · 18 Sep 2026
  • BUILDING STANDARDS Consultation · 19 Aug 2026
  • HISTORIC ENVRIONMENT SCOTLAND RESPONSE Consultation · 01 Jun 2026
  • ARCHAEOLOGY - UPDATED RESPONSE Consultation · 26 May 2026
  • PROPOSED 3D VIEW Other · 22 May 2026
  • COMHAIRLE FLOOD RISK RESPONSE Consultation · 05 May 2026
  • HISTORIC ENVIRONMENT SCOTLAND RESPONSEUPDATE Consultation · 23 Apr 2026
  • SG ADVERT 26 FEB 26 Other · 26 Feb 2026
  • HISTORIC ENVIROMENT SCOTLAND RESPONSE Consultation · 24 Feb 2026
  • MOD_RESPONSE Consultation · 24 Feb 2026
  • NATS ADDITIONAL RESPONSE Consultation · 24 Feb 2026
  • ARCHAEOLOGICAL RESPONSE Consultation · 23 Feb 2026
  • SSEN RESPONSE Consultation · 19 Feb 2026
  • SSEN TRANSMISSION Consultation · 18 Feb 2026
  • NATS Consultation · 18 Feb 2026
  • EXISTING GENERAL ARRANGEMENT Drawing · 16 Feb 2026
  • APPLICATION FORM Application Form · 11 Feb 2026

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What this grant of permission means

Na h-Eileanan Siar granted permission on 18 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

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