47 projects changed: 41 reached a new stage, 33 milestones updated, 8 values revised, 5 statuses changed, 6 projects added.
Power & Grid · Beauly (near Inverness) - Blackhillock (Moray) - New Deer - Peterhead (Aberdeenshire)
Beauly to Blackhillock to New Deer to Peterhead 400kV
- Stage: Consenting; Section 37 application referred to a public local inquiry after Highland and Moray council objections; inquiry sessions scheduled 18 to 27 August 2026was: Consenting; Section 37 application (October 2025) at public inquiry after council objections
Power & Grid · Bramford (Suffolk) to Twinstead (Essex), via the Stour Valley
Bramford to Twinstead Reinforcement
- Stage: Consent granted September 2024; main construction compound set-up begun near Leavenheathwas: In construction
- Next milestone: Overhead line construction by Balfour Beatty, then underground cable workswas: Main construction along the route, programmed by National Grid for 2026 to 2029
Power & Grid · Brinsworth (South Yorkshire) - Chesterfield - High Marnham (Nottinghamshire)
Brinsworth to High Marnham Uprating
- Stage: Consented; planning permission granted for all three substations (High Marnham June 2026, Long Lane and near Chesterfield July 2026)was: Consented - planning permission granted for all three substations
- Next milestone: Start of construction; no dates publishedwas: Start of substation construction; no dates published
Power & Grid · Ballyadam converter station, Carrigtwohill, Co. Cork (subsea to Brittany, France)
Celtic Interconnector
- Stage: In construction (Step 6); HVDC subsea cable burial and protection in Irish waters completed (Sep 2026)was: In construction (Step 6); AC route complete, DC route Phase 2 ~70%; commissioning now expected spring 2028
- Value: Not disclosed (€530.7m EU Connecting Europe Facility grant awarded)was: ≈€1bn+ project, incl. €530.7m EU Connecting Europe Facility grant (EirGrid)
- Next milestone: Commissioning expected Q4 2028was: Energisation revised to spring 2028; remaining subsea cable installation through 2026-27
Power & Grid · Chesterfield to Willington, Derbyshire
Chesterfield to Willington
- Stage: Pre-application; Stage 2 consultation held 3 March to 28 April 2026was: Pre-application (post Stage 2 consultation)
Power & Grid · Near Lesmahagow / Coalburn, South Lanarkshire
Coalburn North Substation
- Stage: Design consultation stage; consultation period closed, planning application in preparationwas: Design consultation - planning application in preparation
Power & Grid · New Creag Dhubh substation to Glen Lochy near Dalmally, Argyll
Creag Dhubh to Dalmally 275kV Overhead Line
- Stage: In construction; first of 47 towers assembled, Creag Dhubh substation construction reaching the halfway markwas: In construction
- Next milestone: Electrical installation work at the substation by Siemens Energy; continued tower assembly along the 13.3 km routewas: Transformer installation and commissioning at Creag Dhubh substation; erection of the remaining towers on the 47-tower, 13.3km route
Power & Grid · Creag Dhubh (near Dalmally) to Inveraray, Argyll & Bute
Creag Dhubh to Inveraray 275kV Overhead Line
- Stage: In construction; first steel lattice tower assembled, over 4km of access tracks built (Mar 2026)was: In construction (first tower erected Mar 2026)
- Next milestone: Complete tower assembly along the route, then commissioning (date not published)was: Tower erection and stringing ongoing across the Argyll & Kintyre reinforcement
Power & Grid · Bonnybridge - Cumbernauld - Wishaw corridor, Falkirk & North Lanarkshire
Denny to Wishaw Network Upgrade
- Stage: Consenting; three Section 37 applications submitted to Scottish Ministers, plus Cumbernauld substation extension planning application to North Lanarkshire Council (page dated 26 Jun 2026)was: Consultation complete (final information events Feb 2026); preparing to submit consent applications
- Next milestone: Determination of Section 37 and planning applicationswas: EIA / Section 37 consent application
Power & Grid · Former Kincardine Power Station to Blairingone, Clackmannanshire/Fife
East Coast 400kV Reinforcement Project (Kincardine)
- Stage: Consenting; Section 37 application submitted to Scottish Ministerswas: Consenting - Section 37 submitted
Power & Grid · Torness/Branxton, East Lothian to Hawthorn Pit, County Durham
Eastern Green Link 1
- Stage: Under construction; main foundation piling complete at Murton converter station and Hawthorn Pit substation (Sep 2026)was: In construction
- Value: Not disclosedwas: £2.5bn (Ofgem-approved funding, Nov 2024)
- Next milestone: Next phase of construction at both siteswas: Full operation targeted 2029
Power & Grid · Westfield converter station, near Ballingry, Fife (Scotland) to Norfolk (England)
Eastern Green Link 4 (EGL4)
- Status: Pipelinewas: At tender
- Stage: Consenting; Fife Council planning applications submitted Dec 2025; EGL4 CPO 2026 made, awaiting confirmationwas: Pre-application / consenting; DCO submission targeted Aug 2026 (Ofgem investment approval Dec 2025, supply-chain contracts signed, but construction not started)
- Value: Not disclosedwas: ~£3bn total EGL4 contracts awarded (2026)
Power & Grid · Grimsby West substation (NE Lincolnshire) to Walpole (Norfolk)
Grimsby to Walpole
- Stage: Pre-application; Stage 2 consultation held 11 June to 6 August 2025was: Pre-application (post Stage 2 and targeted consultation)
- Next milestone: DCO application expected summer 2027; decision expected 2028; construction 2029, fully operational 2033was: DCO application planned for summer 2027; decision expected 2028; construction 2029 to 2033
Power & Grid · Shurton/Bridgwater (Somerset) to Seabank, Avonmouth (South Gloucestershire)
Hinkley Connection Project
- Stage: Northern section energised; land restoration under way; 13 T-pylons still to be energisedwas: In construction - final energisation and restoration
- Next milestone: Energising remaining T-pylons via planned outages at Huntspillwas: Energising remaining 13 T-pylons via planned Huntspill outages
Power & Grid · Between Kendoon and Tongland, Dumfries & Galloway
Kendoon to Tongland Reinforcement (KTR)
- Stage: Consent granted by Scottish Ministers (Feb 2025)was: Section 37 consent GRANTED by Scottish Ministers Feb 2025 - pre-construction / delivery preparation
- Next milestone: Start of construction (date not published)was: Scottish Ministers' consent decision
Power & Grid · Dunstown substation, Co. Kildare to Woodland substation, Co. Meath
Kildare-Meath Grid Upgrade (Woodland-Dunstown)
- Stage: Step 6: construction, energisation and benefit sharing; planning permission granted by An Bord Pleanála in March 2025was: Construction, energisation and benefit sharing
- Next milestone: Ongoing construction; community benefit fund consultation with local groupswas: Ongoing construction; community benefit fund consultations
Power & Grid · Kintore (Aberdeenshire) to Tealing (Angus)
Kintore to Tealing 400kV
- Stage: Consenting; Section 37 application referred to a public local inquiry (10,430 objection representations)was: Consenting, Section 37 application referred to public local inquiry
Power & Grid · New Coolnabacky 400/110kV substation, near Portlaoise, Co. Laois
Laois-Kilkenny Reinforcement
- Stage: Step 6: construction, energisation and benefit sharing; 110kV GIS commissioning ongoing and 400kV GIS electrical installation under way at Coolnabacky (March 2026 update)was: Construction and energisation
Power & Grid · Walberswick, Suffolk landfall (multi-purpose interconnector to the Netherlands)
LionLink
- Stage: Consultation closed (March 2026 update)was: Pre-application - statutory consultation held Jan 2026; DCO not yet submitted
- Next milestone: Application for development consent (no date published)was: DCO application expected 2026; operational target 2032
Power & Grid · Kilroot, Co. Antrim (near Carrickfergus) to Hunterston, Ayrshire
LirIC (Northern Ireland to Scotland)
- Stage: Development; Ofgem cap and floor award in principle, Northern Ireland transmission licence granted in 2024was: Development (licensing / consenting pre-construction)
- Next milestone: Consents and construction; commissioning targeted for 2032was: Progress toward final consents; targeting commissioning 2032
Power & Grid · Mannington substation (East Dorset) to Nursling substation (Southampton)
Mannington to Nursling
- Stage: Upgrade works by Balfour Beatty scheduled from June 2026was: In construction
Power & Grid · Greater Dublin Area (Ireland) to Bodelwyddan, Denbighshire (North Wales)
MaresConnect
- Stage: Development; proposed interconnector, Irish converter station location under technical reviewwas: Consenting / development (Ofgem licence granted)
- Value: €860m (stated private capital investment)was: €860m (stated investment)
- Next milestone: Finalisation of Irish converter station siting; consent submissionswas: Finalisation of Irish converter siting; consent submissions
Power & Grid · Isle of Grain, Kent (interconnector to Belgium)
Nautilus
- Stage: Suffolk (Leiston) connection removed; Ofgem approved Grain as the connection pointwas: Early development / pre-application (relocated to Grain)
- Next milestone: Further engagement with the Grain communitywas: Consenting work at Grain (no DCO submitted yet)
Power & Grid · Isle of Grain, Kent (UK) to Wilhelmshaven, Lower Saxony (Germany)
NeuConnect (Great Britain to Germany)
- Stage: In construction; offshore cabling works continuing between the UK and Germany (2025 to 2026 milestone)was: Construction (cabling and converter installation)
- Value: Not disclosedwas: £2.4bn / €2.8bn (stated investment)
- Next milestone: System-wide testing, commissioning and trial operations begin 2027; commercial operations 2028was: Testing and commissioning begins 2027; commercial operation 2028
Power & Grid · Ballina, Co. Mayo to Ballaghaderreen, Co. Roscommon
North Connacht 110kV Project
- Stage: Step 6: construction, energisation and benefit sharing; main underground cabling contract awarded and construction begunwas: Construction (main works underway)
- Next milestone: Substation and overhead line works due to conclude in 2026; main underground cabling to conclude in 2028was: Main construction to conclude in 2028, substation and overhead line works in 2026
Power & Grid · Birkhill Wood (near Hull, East Yorkshire) to High Marnham (Nottinghamshire)
North Humber to High Marnham
- Stage: DCO application received 16 October 2026; acceptance decision due by 13 November 2026was: Pre-application (pre-DCO)
- Next milestone: Planning Inspectorate decision on accepting the application for examinationwas: DCO application submission expected later in 2026, construction from 2028 if consented, fully operational 2031
Power & Grid · Pelham-Rye House-Waltham Cross-Brimsdown-Tottenham-Hackney (Hertfordshire and North London)
North London Reinforcement
- Stage: In construction; reconductoring ongoing on all five sections, enabling works complete from Waltham Cross to Hackneywas: In construction
- Next milestone: Completion of reconductoring and demobilisation (dates TBC)was: Main construction 2026 to 2029, testing and commissioning 2029 to 2030, fully operational from 2030
Power & Grid · Woodland substation, Co. Meath to Turleenan, Co. Tyrone
North-South Interconnector
- Stage: Step 6: construction, energisation and benefit sharing; full planning consent in Ireland and Northern Irelandwas: Construction, energisation and benefit sharing
- Next milestone: Landowner agreements under the revised compensation proposal issued in March 2026, and access arrangements for constructionwas: Landowner access/compensation agreements ahead of main civil works
Power & Grid · Norfolk–Suffolk–Essex
Norwich to Tilbury
- Status: Pipelinewas: At tender
- Stage: Examination closed; recommendation stage in progresswas: In examination — examination closed 10 Aug 2026
- Value: Not disclosedwas: Multi-billion (corpus: gap-11)
- Next milestone: Examining Authority recommendation due by 10 November 2026; Secretary of State decision within three months of receiving itwas: Examining Authority recommendation due within three months of the 10 Aug 2026 close; Secretary of State (DESNZ) decision a further three months after that. No decision date has been published.
Power & Grid · Finstown, Orkney to Dounreay West, Caithness (via the Pentland Firth)
Orkney Link (Orkney to Caithness 220kV Subsea Connection)
- Stage: In construction; full delivery across multiple sites, Warebeth landfall drilling complete and Finstown foundation pours completewas: In construction (year 2 of delivery)
- Next milestone: Erection of remaining building frames at Finstown and installation of the underground land cablewas: Onshore cable pulling and jointing from autumn 2026, Finstown to Warebeth installation due 2027, energisation targeted for 2028
Power & Grid · Pentir to Trawsfynydd, Gwynedd/Eryri (Snowdonia), North Wales; Glaslyn Estuary crossing at Porthmadog
Pentir to Trawsfynydd Reinforcement
- Stage: Trawsfynydd substation works approved subject to conditions by Eryri National Park Authority (15 Jul 2026)was: Planning applications submitted; Pentir Substation cables approved by Cyngor Gwynedd, remaining applications awaiting LPA decisions; DESNZ consent application still to come 2026
- Next milestone: Remaining planning decisions; construction startwas: Planning decisions; construction due to begin summer 2026; operational by 2030
Power & Grid · Dublin (incl. Dublin Bay marine section)
Powering Up Dublin — Carrickmines–Poolbeg
- Status: Pipelinewas: At tender
- Stage: Consenting; onshore planning application submitted to Dún Laoghaire-Rathdown County Council; marine surveys in Dublin Bay from spring 2026 to summer 2027was: In procurement and consenting (planning application due by autumn 2026)
- Next milestone: Planning decision on the onshore section; offshore licences and planning permission for the Dublin Bay sectionwas: Onshore construction contract award and planning application to Dún Laoghaire-Rathdown County Council, 2026
Power & Grid · Dublin, Ireland
Powering Up Dublin — Finglas–North Wall
- Status: Pipelinewas: Live
- Stage: Best Performing Option for the route published (January 2025); community benefit fund being establishedwas: Construction commencing 2026
- Next milestone: Planning consent and constructionwas: Inchicore–Poolbeg micro-tunnel route consultation 2026
Power & Grid · Tonn Nua / Maritime Area A off Cork, Waterford & Wexford; landfall options at Garryvoe (Cork)
Powering Up Offshore - South Coast
- Stage: Step 4: location determination; Step 4a 12-week consultation on landfall and route options running 15 September to 8 Decemberwas: Location determination; Step 4a consultation on emerging best performing options open 15 September to 8 December 2026
- Next milestone: Step 4a consultation closes 8 December; project update with survey outcomes planned for autumn 2026was: The Step 4a consultation closes on 8 December 2026.
Power & Grid · Sizewell area (Suffolk) to Richborough / Minster Marshes (Kent)
Sea Link
- Stage: Development consent granted by the Secretary of State on 30 October 2026was: Recommendation with Secretary of State; decision due 30 October 2026
- Next milestone: Construction startwas: Secretary of State decision due by 30 October 2026
Power & Grid · Fort Augustus to Skye (Edinbane, Broadford, Ardmore)
Skye Reinforcement
- Status: Pipelinewas: Live
- Stage: Consented; Section 37 consent granted by the Scottish Government, project moving to the delivery phasewas: Consented (Jun 2025) - mobilising into construction
- Value: Not disclosedwas: ~£690m (reported by New Civil Engineer)
- Next milestone: Delivery, including replacement of Broadford and Edinbane substationswas: Main construction ramp-up; Broadford/Edinbane substation works
Power & Grid · Spittal (Caithness) - Loch Buidhe (Sutherland) - Beauly (Highland)
Spittal to Loch Buidhe to Beauly 400kV
- Stage: Consenting; Section 37 application (ECU00006008, received 14 Aug 2025) referred to DPEAwas: Consenting - Section 37 application under consideration (ECU00006008, received 14 Aug 2025); public local inquiry reported
- Next milestone: DPEA process and report, then Scottish Ministers' decisionwas: Ministerial determination (within 52 weeks of submission)
Power & Grid · Landfall south of Harwich with converter east of Ardleigh, Essex (UK) to Niederlangen, Germany
Tarchon (Great Britain to Germany)
- Stage: Pre-application with the Planning Inspectorate (applicant Tarchon Energy Limited)was: Pre-application / consenting; non-statutory consultation 3 Jul-13 Aug 2026 ahead of DCO
- Next milestone: DCO application expected July 2028was: Summer 2026 non-statutory consultation; DCO application ~Jan 2028
Power & Grid · Tealing (near Dundee) to Kincardine, via a new Conland substation near Glenrothes, Fife
Tealing to Kincardine Upgrade Project (TKUP)
- Stage: Consenting in parts; Westfield applications with Fife Council (Dec 2025); Conland application in preparation; Mossmorran consultation closed 17 Jul 2026was: Post-consultation - EIA and planning applications in preparation
- Next milestone: Conland and Mossmorran planning applications; Section 37 applications for overhead line changeswas: EIA and planning / Section 37 applications
Power & Grid · Kilmarnock South substation to Monkton/Grangestone, Ayrshire (subsea HVDC to Wales)
Western Link 2 (WL2)
- Stage: Development; consultation on initial preferred routes closed 28 November 2025, detailed plans being prepared ahead of planning submissionwas: Detailed design / pre-planning
- Next milestone: Planning permission in principle applications to East Ayrshire and South Ayrshire councils; construction anticipated to start in 2030was: Planning-permission-in-principle applications to Ayrshire councils (construction targeted ~2030)
Power & Grid · Shipton (near York) to Monk Fryston, plus Osbaldwick substation, North/West Yorkshire
Yorkshire GREEN (Green Energy Enablement)
- Stage: Preparatory works began in autumn 2024was: In construction
- Value: Not disclosedwas: ~£524m (reported by T&D World)
- Next milestone: Construction completion expected by 2028was: Completion targeted by 2028
Power & Grid · Portsmouth to Lovedean, Hampshire, and the English Channel
AQUIND Interconnector
- New on the map. In planning
Power & Grid · Carlisle to the England-Scotland border, Cumbria
Cross Border Connection (England)
- New on the map. In planning
Power & Grid · Powys to Lower Frankton, Shropshire
Green Gen Vyrnwy Frankton
- New on the map. In planning
Power & Grid · East Irish Sea and North West England
Morgan and Morecambe Offshore Wind Farms Transmission Assets
- New on the map. Consented
Power & Grid · Mid Wales, Powys
SP Mid Wales (Electricity) Connections Project (SP Manweb)
- New on the map. In planning
Power & Grid · Theddlethorpe, near Mablethorpe, Lincolnshire
Theddlethorpe Flexible Generation Project
- New on the map. In planning
