Planning application
HVDC Converter Station Arnish Isle Of Lewis
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 26/00103/MSCM
Application record
- Reference
- 26/00103/MSCM
- Type
- Matters Specified in Conditions Major
- Status
- Awaiting decision
- Received
- 13 Mar 2026
- Validated
- 30 Mar 2026
- Ward
- Steòrnabhagh A Tuath
- Parish
- North Lochs
- Decision by
- Delegate Decision
Site history
Applications at this address on the Na h-Eileanan Siar register
This site has had 12 applications since 2026: 10 approved, 0 refused.
-
26/00183/DISCON Awaiting decision
HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 10 pertaining to Planning Permission 25/00061/PPPM - Peat Management Plan
-
26/00185/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 27 pertaining to Planning Permission 25/00061/PPPM - Archaeology - Fencing
-
26/00184/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 24 pertaining to Planning Permission 25/00061/PPPM - Socio Economic Strategy
-
26/00163/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 28 pertaining to Planning Permission 25/00061/PPPM - Archaeology - Watching Brief
-
26/00150/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 26 pertaining to Planning Permission 25/00061/PPPM - Archaeology Excavation written scheme of investigation
-
26/00135/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 9 pertaining to Planning Permission 25/00061/PPPM - Neighbour Protocol
-
26/00134/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 5 pertaining to Planning Permission 25/00061/PPPM - Environmental/Ecological Clerk of Works
-
26/00133/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 4 pertaining to Planning Permission 25/00061/PPPM - Planning Monitoring Officer - Details of PMO appointment
-
26/00138/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 14 pertaining to Planning Permission 25/00061/PPPM - Construction Traffic Management Plan
-
26/00136/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 11 pertaining to Planning Permission 25/00061/PPPM - Geotechnical Clerk of Works
Timeline
Dates from the published record
-
13 Mar 2026
Received by Na h-Eileanan Siar
-
30 Mar 2026
Validated
Checked as complete and ready for consideration.
-
27 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 29 June 2026, 13 weeks from validation under the statutory target. Extensions of time are common and are agreed case by case.
Na h-Eileanan Siar took a median of 58 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
- Application: 25/00061/PPPM (Decided)
Documents
Plans, drawings, consultee responses and the officer's report
89 documents on file for this application
- LANDSCAPE MITIGATION STRATEGY REVIEW
- APPLICANTS AGREEMENT TO EXTENSION OF TIME
- REQUEST FOR EXTENSION OF TIME
- PSAD FORM 22.07.26
- 3A III PROPOSED SITE ACCESS (ARNISH ROAD)
- 3A III -PROPOSED SITE ACCESS (A859)
- 3A III- RCC DRAWING
- 3A III - SSEN COVER LETTER RE ROADS 13 JULY
- 3A III- AMENDED -JUNCTION VISIBILITY A859-P05
- 3A III- AMENDED - PROPOSED SITE ACCESS A859 AIL SWEPT P
- 3A III- AMENDED- PROPOSED SITE ACCESS ARNISH ROAD AIL S
- 3A III- ADDITIONAL - PROPOSED SITE ACCESS A859 MAX LEGAL
- 3A III- ADDITIONAL- PROPOSED SITE ACCESS ARNISH ROAD M
- 3A III- ADDITIONAL - JUNCTION VISIBILITY ARNISH ROAD P0
- PSAD - 13:7:26 RE ROADS DRAWINGS
- 3A VI - DRAINAGE STRATEGY CNES RESPONSE 2
- 3A IX - LANDSCAPE MITIGATION STRATEGY 1 OF 2
- 3A IX - LANDSCAPE MITIGATION STRATEGY 2 OF 2
- PSAD - LANDSCAPE
- BUILDING STANDARDS - RESPONSE
- 3A X ENVIRONMENTAL HEALTH - RESPONSE 2
- 3A II - PEAT MANAGEMENT PLAN
- 3A II - PEAT MANAGEMENT PLAN - APPENDIX D5-D7
- 3A II - PEAT MANAGEMENT PLAN - APPENDIX D1-D4
- SEPA - CONSULTATION RESPONSE 2
- 3A VI - DRAINAGE STRATEGY CNES RESPONSE 1
- 3A IV UPDATED EXTENDED EARTHWORKS PEAT SECTIONS
- 3A IV - EXTENDED EARTHWORKS SECTIONS
- 3A IV - EXTENDED EARTHWORKS SECTIONS LAYOUT
- 3A I - AMENDED ENABLING WORKS PHASING PLAN
- 3A III ROADS - RESPONSE 1
- HES - RESPONSE
- 3 A X ENVIRONMENTAL HEALTH - RESPONSE 1
- SEPA CONSULTATION RESPONSE 1
- SCOTTISH WATER - RESPONSE
- SG ADVERT
- LIST OF NEIGHBOURS NOTIFIED
- APPLICATION COVER LETTER AMSC
- 3A X - NOISE IMPACT ASSESSMENT (NIA) (CONSTRUUCTION)
- 3A X- NOISE IMPACT TECHNICAL APPENDIX 1 - LEGISLATION POLICY AND GUIDANCE
- 3A X - NOISE IMPACT TECHNICAL APPENDIX 2 - METHOD OF ASSESSMENT
- 3A X - NOISE IMPACT TECHNICAL APPENDIX 3 - CONSTRUCTION ACTIVITIES
- 3A X - NOISE IMPACT TECHNICAL APPENDIX 4 - CONSTRUCTION NOISE IMPACT ASSESSM
- REG 15 COVER LETTER
- REG 15 CETRIFICATE CORRECTION
- 3A IX - LANDSCAPE - LHMP DRAWINGS
- 3A IX - LANDSCAPE - APPENDIX 1A 3D VISUALS -
- 3A IX - LANDSCAPE - APPENDIX 2 LHMP - PEAT AREAS CROSS SECTIONS
- 3A IX - LANDSCAPE - APPENDIX 3 LHMP APPENDIX 3 - SCREENING BUNDS CROSS SECTIONS
- 3A IX - LANDSCAPE - AND HABITAT MANAGEMENT PLAN
- 3A X - CONSTRUCTION NOISE IMPACT STUDY AREA FIGURE 11_1
- 3A VI - DRAINAGE TYPICAL DETAILS SHEET 1 OF 3
- 3A VI - DRAINAGE TYPICAL DETAILS SHEET 2 OF 3
- 3A VI - DRAINAGE TYPICAL DETAILS SHEET 3 OF 3
- 3A VI - DRAINAGE - PLATFORM 1 OUTFALL 1 SUDS PLAN AND LONGSECTION
- 3A VI - DRAINAGE - PLATFORM 1 NETWORK 2 - SUDS PLAN AND LONGSECTION
- 3A VI - DRAINAGE PLATFORM 2 OUTFALL 3 SUDS PLAN AND LONGSECTION
- 3A VI - DRAINAGE - PLATFORM 2 NETWORK 4 - SUDS PLAN AND LONGSECTION
- 3A VII - FOUL DRAINAGE LONGSECTIONS
- 3A VI - DRAINAGE - PLATFORM 2 NETWORK 5 - SUDS PLAN AND LONGSECTIO
- 3A VI - DRAINAGE OVERALL LAYOUT
- 3A IV - PLAN AND SECTIONS - LAYDOWN 2 AND WEST ACCESS ROAD A859
- 3A IV - PLAN AND SECTIONS - HVDC AND SUBSTATIONS - SHEET 1
- 3A IV - PLAN AND SECTIONS - HVDC AND SUBSTATIONS - SHEET 2
- 3A IV - PLAN AND SECTIONS - LAYDOWN 3 AND ARNISH ACCESS ROAD
- 3A IV - PLAN AND SECTION -EASTERN SCREENING BUND
- 3A IV - PLAN AND SECTION WESTERN SCREENING BUND
- 3A IV - PLANS AND SECTIONS - WHOLE SITE EARTHWORKS
- 3A IV - SITE PLAN WITH CROSS SECTION OVERVIEW
- 3A I - PHASING PLAN ENABLING WORKS
- 3A VIII - ENCLOSURES TYPICAL CONSTRUCTION - PHASE 1
- 3A VIII - ENCLOSURES PLAN - PHASE 1
- 3A III - ROAD CONSTRUCTION DETAILS
- 3A V - PHASE 1 CONSTRUCTION COMPOUND
- 3A II- SITE PLAN FINALISED LAYOUT
- 3A II- SITE PLAN FINALISED LAYOUT WITH PEAT DEPTH OVERLAY
- 3A II - SITE LOCATION PLAN
- 3A VI - DRAINAGE STRATEGY
- APPLICATION FORM
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Na h-Eileanan Siar for determination, against a statutory target of thirteen weeks. Over the last year Na h-Eileanan Siar decided condition discharge and variation applications in a median of 71 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
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Scottish And Southern Electricity Networks HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Conditions 7 & 8 pertaining to Planning Permission 25/00061/PPPM - Condition 7 - Burrow Pit Plan, Condition 8 - Blasting & Vibration
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HVDC Converter Station Arnish Isle Of Lewis
99% historically approved · decision due ~17 Jul
Request to Discharge Condition 10 pertaining to Planning Permission 25/00061/PPPM - Peat Management Plan
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HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 27 pertaining to Planning Permission 25/00061/PPPM - Archaeology - Fencing
Granted Conditions 2 docs -
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Request to Discharge Condition 24 pertaining to Planning Permission 25/00061/PPPM - Socio Economic Strategy
Granted Conditions 3 docs -
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 26 pertaining to Planning Permission 25/00061/PPPM - Archaeology Excavation written scheme of investigation
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Scottish And Southern Electricity Networks HVDC Converter Station Arnish Isle Of Lewis
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Request to Discharge Conditions 6, 19 and 23 pertaining to Planning Permission 25/00061/PPPM - Condition 6 - Construction Environmental Management Plan; Condition 19 - Constrcution Noise Management Plan; Condition 23 - Schedule of Environmental Mitigation
Awaiting decision Conditions 30 docs
Other condition discharge and variation applications
In Na h-Eileanan Siar
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26/00184/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Condition 24 pertaining to Planning Permission 25/00061/PPPM - Socio Economic Strategy
-
26/00137/DISCON Granted
HVDC Converter Station Arnish Isle Of Lewis
Request to discharge Condition 12 pertaining to Planning Permission 25/00061/PPPM - Habitat Management and Monitoring Plan
-
26/00234/MSC Granted
3 Ardvourlie North Harris Isle Of Harris
Erection of dwelling house and shed. Installation of septic tank
-
26/00278/DISCON Granted
Scottish And Southern Electricity Networks HVDC Converter Station Arnish Isle Of Lewis
Request to Discharge Conditions 7 & 8 pertaining to Planning Permission 25/00061/PPPM - Condition 7 - Burrow Pit Plan, Condition 8 - Blasting & Vibration
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26/00336/DISCON Awaiting decision
Hebrides People Visitor Centre Northton South Harris Isle Of Harris HS3 3JA
Request to Discharge Conditions pertaining to Planning Permission 23/00505/PPD - Condition 4. Contaminated Land Investigation; Condition 8. Dust Mitigation; Condition 12. Biodiversity enhancement measures; Condition 13. External Lighting and Condition 15. Traffic management plan