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Approval of Matters Specified in Condition 3a i - 3a xi - (Enabling Works) pursuant to Planning Permission Ref: 25/00061/PPPM for the Proposed Construction and Operation of a Strategic Electricity Transmission Hub Consisting of a 400kV AC Substation, an HVDC Converter Station, etc (National Development)

HVDC Converter Station Arnish Isle Of Lewis

Awaiting decisionReference: 26/00103/MSCMNa h-Eileanan Siar

Last published check: 20 Oct 2026, 00:58. Check the council record for more recent changes.

Application timeline

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  1. Application Received Date

    Published milestoneCouncil source

  2. Application Validated Date

    Published milestoneCouncil source

  3. Latest Neighbour Consultation Date

    Published milestoneCouncil source

  4. Last Advertised In Press Date

    Published milestoneCouncil source

  5. Neighbour Consultation Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  6. Latest Advertisement Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  7. Standard Consultation Date

    Published milestoneCouncil source

  8. Standard Consultation Expiry Date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

  9. Determination Deadline

    Past published deadline

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    Council source

  10. Actual Committee Date

    Published milestoneCouncil source

Application summary

Status
Awaiting decision
Application type
Matters Specified in Conditions Major
Received
13 Mar 2026
Validated
30 Mar 2026
Determination deadline
29 Jul 2026
Local authority
Na h-Eileanan Siar

Application overview

Approval of Matters Specified in Condition 3a i - 3a xi - (Enabling Works) pursuant to Planning Permission Ref: 25/00061/PPPM for the Proposed Construction and Operation of a Strategic Electricity Transmission Hub Consisting of a 400kV AC Substation, an HVDC Converter Station, etc (National Development)

Proposal details

Reference
26/00103/MSCM
Alternative references
100741450-001
Ward
Ste�rnabhagh A Tuath

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Application location

HVDC Converter Station Arnish Isle Of Lewis

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Documents 95 of 95

DocumentPublishedAction
MINUTES FROM PAB MEETING 30.09.2026Committee Minutes · PDF19 Oct 2026View
LANDSCAPE MITIGATION STRATEGY PART 1Supporting Information · PDF13 Oct 2026View
LANDSCAPE MITIGATION STRATEGY PART 2Supporting Information · PDF13 Oct 2026View
LANDSCAPE MITIGATION STRATEGY PART 3Supporting Information · PDF13 Oct 2026View
LANDSCAPE MITIGATION STRATEGY PART 4Supporting Information · PDF13 Oct 2026View
LANDSCAPE MITIGATION STRATEGY PART 5Supporting Information · PDF13 Oct 2026View
SPECIFIED MATTER 3A IX LANDSCAPE MITIGATION STRATEGY MAIN REPORTOther · PDF30 Sept 2026View
SPECIFIED MATTER 3A IX LANDSCAPE MITIGATION STRATEGY MAIN REPORT PART 2Other · PDF30 Sept 2026View
SPECIFIED MATTER 3A IX LANDSCAPE MITIGATION STATEGY PART 3 - APPEDICESOther · PDF30 Sept 2026View
SPECIFIED MATTER 3A IX LANDSCAPE MITIGATION STRATEGY PART 4 - APPEDICESOther · PDF30 Sept 2026View
SPECIFIED MATTER 3A IX- LANDSCAPE MITIGATION STRATEGY PART 5 - APPENDICESOther · PDF30 Sept 2026View
COMMITTEE REPORTReport - Committee · PDF28 Sept 2026View
APPENDIX 1Report - Committee · PDF28 Sept 2026View
APPENDIX 2Report - Committee · PDF28 Sept 2026View
APPENDIX 3Report - Committee · PDF28 Sept 2026View
LANDSCAPE MITIGATION STRATEGY REVIEWSupporting Information · PDF3 Sept 2026View
ROADS FURTHER RESPONSEConsultation · PDF21 Aug 2026View
APPLICANTS AGREEMENT TO EXTENSION OF TIMEOther · PDF11 Aug 2026View
REQUEST FOR EXTENSION OF TIMEOther · PDF10 Aug 2026View
PSAD FORM 22.07.26Other · PDF27 Jul 2026View
3A III PROPOSED SITE ACCESS (ARNISH ROAD)Drawing · PDF27 Jul 2026View
3A III -PROPOSED SITE ACCESS (A859)Drawing · PDF27 Jul 2026View
3A III- RCC DRAWINGOther · PDF13 Jul 2026View
3A III - SSEN COVER LETTER RE ROADS 13 JULYOther · PDF13 Jul 2026View
3A III- AMENDED -JUNCTION VISIBILITY A859-P05Drawing · PDF13 Jul 2026View
3A III- AMENDED - PROPOSED SITE ACCESS A859 AIL SWEPT PDrawing · PDF13 Jul 2026View
3A III- AMENDED- PROPOSED SITE ACCESS ARNISH ROAD AIL SDrawing · PDF13 Jul 2026View
3A III- ADDITIONAL - PROPOSED SITE ACCESS A859 MAX LEGALDrawing · PDF13 Jul 2026View
3A III- ADDITIONAL- PROPOSED SITE ACCESS ARNISH ROAD MDrawing · PDF13 Jul 2026View
3A III- ADDITIONAL - JUNCTION VISIBILITY ARNISH ROAD P0Drawing · PDF13 Jul 2026View
PSAD - 13:7:26 RE ROADS DRAWINGSOther · PDF13 Jul 2026View
3A VI - DRAINAGE STRATEGY CNES RESPONSE 2Consultation · PDF8 Jul 2026View
3A IX - LANDSCAPE MITIGATION STRATEGY 1 OF 2Supporting Information · PDF1 Jul 2026View
3A IX - LANDSCAPE MITIGATION STRATEGY 2 OF 2Supporting Information · PDF1 Jul 2026View
PSAD - LANDSCAPEOther · PDF1 Jul 2026View
BUILDING STANDARDS - RESPONSEConsultation · PDF29 Jun 2026View
3A X ENVIRONMENTAL HEALTH - RESPONSE 2Consultation · PDF29 Jun 2026View
3A II - PEAT MANAGEMENT PLANSupporting Information · PDF12 Jun 2026View
3A II - PEAT MANAGEMENT PLAN - APPENDIX D5-D7Supporting Information · PDF12 Jun 2026View
3A II - PEAT MANAGEMENT PLAN - APPENDIX D1-D4Supporting Information · PDF12 Jun 2026View
SEPA - CONSULTATION RESPONSE 2Consultation · PDF11 Jun 2026View
3A VI - DRAINAGE STRATEGY CNES RESPONSE 1Consultation · PDF8 Jun 2026View
3A IV UPDATED EXTENDED EARTHWORKS PEAT SECTIONSDrawing · PDF3 Jun 2026View
3A IV - EXTENDED EARTHWORKS SECTIONSDrawing · PDF3 Jun 2026View
3A IV - EXTENDED EARTHWORKS SECTIONS LAYOUTDrawing · PDF3 Jun 2026View
3A I - AMENDED ENABLING WORKS PHASING PLANOther · PDF3 Jun 2026View
3A III ROADS - RESPONSE 1Consultation · PDF2 Jun 2026View
HES - RESPONSEConsultation · PDF30 Apr 2026View
3 A X ENVIRONMENTAL HEALTH - RESPONSE 1Consultation · PDF30 Apr 2026View
SEPA CONSULTATION RESPONSE 1Consultation23 Apr 2026View
SCOTTISH WATER - RESPONSEConsultation · PDF13 Apr 2026View
SG ADVERTOther · PDF2 Apr 2026View
LIST OF NEIGHBOURS NOTIFIEDOther · PDF31 Mar 2026View
APPLICATION COVER LETTER AMSCApplication · PDF30 Mar 2026View
3A X - NOISE IMPACT ASSESSMENT (NIA) (CONSTRUUCTION)Supporting Information · PDF30 Mar 2026View
3A X- NOISE IMPACT TECHNICAL APPENDIX 1 - LEGISLATION POLICY AND GUIDANCESupporting Information · PDF30 Mar 2026View
3A X - NOISE IMPACT TECHNICAL APPENDIX 2 - METHOD OF ASSESSMENTSupporting Information · PDF30 Mar 2026View
3A X - NOISE IMPACT TECHNICAL APPENDIX 3 - CONSTRUCTION ACTIVITIESSupporting Information · PDF30 Mar 2026View
3A X - NOISE IMPACT TECHNICAL APPENDIX 4 - CONSTRUCTION NOISE IMPACT ASSESSMSupporting Information · PDF30 Mar 2026View
REG 15 COVER LETTERApplication · PDF24 Mar 2026View
REG 15 CETRIFICATE CORRECTIONApplication · PDF24 Mar 2026View
3A IX - LANDSCAPE - LHMP DRAWINGSDrawing · PDF13 Mar 2026View
3A IX - LANDSCAPE - APPENDIX 1A 3D VISUALS -Drawing · PDF13 Mar 2026View
3A IX - LANDSCAPE - APPENDIX 2 LHMP - PEAT AREAS CROSS SECTIONSDrawing · PDF13 Mar 2026View
3A IX - LANDSCAPE - APPENDIX 3 LHMP APPENDIX 3 - SCREENING BUNDS CROSS SECTIONSDrawing · PDF13 Mar 2026View
3A IX - LANDSCAPE - AND HABITAT MANAGEMENT PLANSupporting Information · PDF13 Mar 2026View
3A X - CONSTRUCTION NOISE IMPACT STUDY AREA FIGURE 11_1Drawing · PDF13 Mar 2026View
3A VI - DRAINAGE TYPICAL DETAILS SHEET 1 OF 3Drawing · PDF13 Mar 2026View
3A VI - DRAINAGE TYPICAL DETAILS SHEET 2 OF 3Drawing · PDF13 Mar 2026View
3A VI - DRAINAGE TYPICAL DETAILS SHEET 3 OF 3Drawing · PDF13 Mar 2026View
3A VI - DRAINAGE - PLATFORM 1 OUTFALL 1 SUDS PLAN AND LONGSECTIONDrawing · PDF13 Mar 2026View
3A VI - DRAINAGE - PLATFORM 1 NETWORK 2 - SUDS PLAN AND LONGSECTIONDrawing · PDF13 Mar 2026View
3A VI - DRAINAGE PLATFORM 2 OUTFALL 3 SUDS PLAN AND LONGSECTIONDrawing · PDF13 Mar 2026View
3A VI - DRAINAGE - PLATFORM 2 NETWORK 4 - SUDS PLAN AND LONGSECTIONDrawing · PDF13 Mar 2026View
3A VII - FOUL DRAINAGE LONGSECTIONSDrawing · PDF13 Mar 2026View
3A VI - DRAINAGE - PLATFORM 2 NETWORK 5 - SUDS PLAN AND LONGSECTIODrawing · PDF13 Mar 2026View
3A VI - DRAINAGE OVERALL LAYOUTDrawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTIONS - LAYDOWN 2 AND WEST ACCESS ROAD A859Drawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTIONS - HVDC AND SUBSTATIONS - SHEET 1Drawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTIONS - HVDC AND SUBSTATIONS - SHEET 2Drawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTIONS - LAYDOWN 3 AND ARNISH ACCESS ROADDrawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTION -EASTERN SCREENING BUNDDrawing · PDF13 Mar 2026View
3A IV - PLAN AND SECTION WESTERN SCREENING BUNDDrawing · PDF13 Mar 2026View
3A IV - PLANS AND SECTIONS - WHOLE SITE EARTHWORKSDrawing · PDF13 Mar 2026View
3A IV - SITE PLAN WITH CROSS SECTION OVERVIEWDrawing · PDF13 Mar 2026View
3A I - PHASING PLAN ENABLING WORKSOther · PDF13 Mar 2026View
3A VIII - ENCLOSURES TYPICAL CONSTRUCTION - PHASE 1Drawing · PDF13 Mar 2026View
3A VIII - ENCLOSURES PLAN - PHASE 1Drawing · PDF13 Mar 2026View
3A III - ROAD CONSTRUCTION DETAILSDrawing · PDF13 Mar 2026View
3A V - PHASE 1 CONSTRUCTION COMPOUNDDrawing · PDF13 Mar 2026View
3A II- SITE PLAN FINALISED LAYOUTDrawing · PDF13 Mar 2026View
3A II- SITE PLAN FINALISED LAYOUT WITH PEAT DEPTH OVERLAYDrawing · PDF13 Mar 2026View
3A II - SITE LOCATION PLANDrawing · PDF13 Mar 2026View
3A VI - DRAINAGE STRATEGYOther · PDF13 Mar 2026View
APPLICATION FORMApplication Form · PDF13 Mar 2026View

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