Unnamed substation — 132 kV Unnamed substation — 132 kV Substation for Barrow Windfarm — 132 kV Unnamed substation — 132 kV Rampion Wind Farm Offshore Substation — 150 kV Unnamed substation Unnamed substation — 110 kV Botley Wood — 400 kV Elstree Substation — 400 kV Mill Hill Substation — 275 kV Barnet Substation — 132 kV Northfleet East Substation — 400 kV Lovedean Substation — 400 kV Welwyn Substation — 132 kV Netley Common Substation — 132 kV Unnamed substation — 132 kV Waltham Cross Substation — 400 kV Marchwood Substation — 132 kV Millbrook Substation — 132 kV Cowley Substation — 400 kV Sheffield City Substation — 275 kV Tottenham Substation — 275 kV Capenhurst Substation — 400 kV Frodsham Substation — 400 kV Unnamed substation — 400 kV West Quay Substation — 132 kV West Ham Substation — 400 kV Brimsdown Substation — 275 kV Warley Substation — 275 kV Longford Substation — 132 kV Iver Substation — 400 kV Iver Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Watford South Substation — 275 kV Hollywell Grid — 132 kV Hatch End Grid Substation — 132 kV Harrow North Grid Substation — 132 kV Edgware Cable Compound — 275 kV Laleham Substation — 275 kV Staines Substation — 132 kV Byfleet Substation — 132 kV Sellindge Converter Station — 270 kV Unnamed substation — 132 kV Leatherhead Substation — 132 kV Beddington Substation — 400 kV Wimbledon Substation — 275 kV Croydon A Substation — 132 kV Croydon B Substation — 132 kV Rowdown Substation — 400 kV Chilling Headhouse — 400 kV Fort Widley — 132 kV Chessington Substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Nechells East Transmission Substation — 275 kV Nottingham Substation — 132 kV Deeside Substation — 132 kV Chester — 132 kV Hawarden — 132 kV Nursling Substation — 400 kV Unnamed substation — 132 kV Wymondley Substation — 400 kV Sub Station — 132 kV Sub Station — 132 kV Unnamed substation — 132 kV Eastbourne Grid132 KV — 132 kV Templars Way — 132 kV Ferrybridge B Substation — 132 kV Wakefield B — 132 kV Unnamed substation — 132 kV Rodley — 132 kV Kirkstall A — 275 kV Thornton Substation — 400 kV Ocker Hill Substation A — 275 kV Ocker Hill Transmission Station — 132 kV Shenfield Substation — 132 kV Burwell Substation — 400 kV Unnamed substation — 132 kV Sowton Substation — 132 kV Exeter Substation — 400 kV Milton Substation — 132 kV Crookston Substation — 132 kV Smallfield Substation — 132 kV Leigh Substation — 132 kV Three Bridges Main — 132 kV Three Bridges Local — 132 kV Histon Substation — 132 kV Longton Bulk Supply Point — 132 kV Abham Substation — 400 kV Bournville Substation — 132 kV Kaimes Substation — 275 kV Currie Substation — 275 kV Cardiff West Grid Substation — 132 kV Salisbury Grid Substation — 132 kV Droylsden — 132 kV Kitwell Substation — 275 kV Exeter City Substation — 132 kV Cliff Quay Substation — 132 kV Bromley Substation — 132 kV Dutton Substation — 132 kV Ninfield Substation — 400 kV Ipswich Grid (West End Road) — 132 kV Unnamed substation — 132 kV Percival Lane Substation — 132 kV Rayleigh Main Substation — 400 kV Rayleigh Local Substation — 132 kV Fulbourn Grid Substation — 132 kV Thanet Grid — 132 kV Toton Substation — 132 kV Kirkby Substation — 275 kV Solihull Local No 1 — 132 kV St John's Wood substation — 400 kV Bold Substation — 132 kV Sankey Bridges Substation — 132 kV Kitwell Oldbury cct 275kV Sealing End — 275 kV Trowse Grid Substation — 132 kV Earlham Grid — 132 kV Sighthilll Substation — 275 kV Unnamed substation — 132 kV Norwich Main Substation — 400 kV Portobello Substation — 275 kV Hurst Substation — 400 kV Elmdon Substation — 132 kV Havant BSP — 132 kV Copt Heath Substation — 132 kV Selly Oak Switching Station — 132 kV Bramley Substation — 400 kV Errochty Switching Station — 132 kV Abberton Grid — 132 kV Sparkbrook Substation — 132 kV Creyke Beck Substation — 400 kV Holloway Grid Substation — 132 kV Halesowen Substation — 132 kV Axminster Substation — 400 kV Landulph Substation — 400 kV Longbridge Substation — 132 kV Barnstaple Substation — 132 kV Unnamed substation — 132 kV Bradford — 132 kV Warrington Substation — 132 kV Kings Lynn Grid — 132 kV Burlington Street Substation — 132 kV Weston Grid Substation — 132 kV Walpole Substation — 400 kV Eltham Substation — 132 kV Thorpe Grid — 132 kV Ealing Substation — 275 kV Yarnton Substation — 132 kV Dolemeads Substation — 132 kV Amersham Main — 400 kV Lye Green — 132 kV Piccotts End Grid — 132 kV Ilmer Grid Substation — 132 kV Bushey Mill Substation — 132 kV Bletchley Substation — 132 kV Aylesbury East Substation — 132 kV Arbury Substation — 132 kV Warwick Substation 132kV — 132 kV Unnamed substation — 132 kV Newport West Primary Substation — 132 kV Newport South Primary Substation — 132 kV Sudbrook Primary Substation — 132 kV Imperial Park Substation — 400 kV Llantarnam Grid Substation — 132 kV Simms Metal Primary Substation — 132 kV Saltholme Substation — 275 kV Norton Substation — 400 kV Inverness Substation — 132 kV Iron Acton Substation — 275 kV Trowbridge Primary Substation — 132 kV Rushall Substation — 132 kV Bridgwater Substation (BSP) — 132 kV Bridgwater Substation — 400 kV Strood Substation — 132 kV Hams Hall Substation — 400 kV Willesden Substation — 400 kV Willesden Feeder Station — 132 kV Shirley Substation — 132 kV Chickerell Substation — 400 kV Unnamed substation — 132 kV Norrington Substation — 132 kV Broadford Substation — 132 kV Potter House Substation — 132 kV Timberdine Substation — 132 kV Dyce Grid Supply Point — 132 kV Persley Grid Supply Point — 132 kV Craigiebuckler Grid Supply Point — 132 kV Coventry Substation — 275 kV Coventry North Substation — 132 kV Burghmuir Substation — 132 kV Malvern Substation — 132 kV Bradley Stoke Substation — 132 kV Glenrothes Substation — 275 kV Chelmsley Wood Substation — 132 kV Warwick Substation 11kV — 132 kV Boughton Road Substation — 132 kV Guildford Substation — 132 kV Warndon Substation — 132 kV Cockenzie Substation — 275 kV Worcester Substation — 132 kV Beauly Substation — 400 kV Willington East Substation — 400 kV Derby South Substation — 132 kV Highters Heath Substation — 132 kV Gorgie Substation — 132 kV Summer Lane Substation — 132 kV Bordesley Substation — 132 kV Bainsford — 132 kV Ladywood Substation — 132 kV Grangemouth Substation — 275 kV Stocking Pelham Substation — 400 kV Sutton Coldfield Substation — 132 kV Unnamed substation — 132 kV Litherland Substation — 132 kV Aintree Substation — 132 kV Southport Substation — 132 kV Washway Farm Substation — 275 kV Chester Street Substation — 132 kV Windyhill Substation — 400 kV Stanton Substation — 132 kV Oakham Substation — 132 kV Drakelow Substation — 400 kV Cellarhead Substation — 400 kV Forsbrook Substation — 132 kV Barlaston Substation — 132 kV Redhouse Substation — 132 kV Tamworth Substation — 132 kV BR Bretton Substation — 132 kV Canterbury North Substation — 400 kV Canterbury North Substation — 132 kV Austin Cannon Substation — 132 kV Bedford (switching station) — 132 kV Grendon Substation — 400 kV Kibworth Substation — 132 kV Fleet Substation — 400 kV Unnamed substation — 132 kV Amlwch Substation — 132 kV Milton of Craigie — 132 kV Alton Substation — 132 kV Eaton Socon substation — 400 kV Unnamed substation — 132 kV Checkerhouse Substation — 132 kV Wylfa — 400 kV Leighton Buzzard Substation — 400 kV Unnamed substation — 132 kV Trawsfynydd Substation — 400 kV Garth Cable Compound — 400 kV Mossmorran Substation — 275 kV Glenniston Substation — 132 kV East Wootton Substation — 132 kV Unnamed substation — 132 kV Kincardine Substation — 275 kV Elgin Grid Supply Point — 132 kV Bathgate — 132 kV Mannington Substation — 400 kV Husthwaite Substation — 132 kV Christchurch Substation — 132 kV Osbaldwick Grid Substation — 400 kV Melrosegate — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Halesworth Substation — 132 kV Irthlingborough Substation — 132 kV Enderby Substation — 400 kV Loughborough Substation — 132 kV Hunningley — 132 kV Barugh — 132 kV Stocksbridge — 400 kV Monk Fryston substation — 400 kV Worksop Substation — 132 kV Thorpe Marsh Substation — 400 kV Thurcroft Substation — 275 kV Wakefield North — 132 kV Devonside Substation — 132 kV Staythorpe Substation — 400 kV Staythorpe B Substation — 132 kV Staythorpe C Substation — 132 kV Kemsley Substation — 400 kV Singlewell Substation — 400 kV Pembury Grid Substation — 132 kV Grantham North Substation — 132 kV Erskine Substation — 132 kV Devol Moor Substation — 400 kV Ridham Dock Substation — 132 kV Sittingbourne Substation — 132 kV Bolney Substation — 400 kV Saltcoats — 132 kV Kilwinning Substation — 132 kV Boat of Garten Substation — 132 kV Betteshanger Grid;Betteshanger Local — 132 kV Appledore Switching Station — 132 kV Ashford Substation — 132 kV Eurotunnel Main Intake Substation — 132 kV Burham Grid — 132 kV Medway Grid — 132 kV Maidstone Grid — 132 kV Boyton End Substation — 132 kV Edison Road Grid — 132 kV Stella West Sub Station — 400 kV Menston Substation — 132 kV Corby North Substation — 132 kV Corby Substation — 132 kV Tamworth Town Substation — 132 kV Chatham Grid;Chatham Hill — 132 kV Bushbury 'D' Substation — 275 kV Bushbury B-C 132/33/11 kV Substation — 132 kV Berkswell Substation — 132 kV Berkswell 275kV — 275 kV Annesley Substation — 132 kV Chesterfield Substation — 275 kV East Claydon Substation — 400 kV Brackley Substation — 132 kV Macclesfield Substation — 400 kV Alfreton Substation — 132 kV Hinksford Substatio — 132 kV Coseley Substation — 132 kV Penn Substation — 400 kV Walham Substation — 400 kV Walford Substation — 400 kV Hereford — 132 kV Daines Substation — 400 kV Sale BSP — 132 kV South Manchester Substation — 275 kV Radway Green Substation — 132 kV Darlington North Substation — 132 kV Unnamed substation — 132 kV Meaford C Substation — 132 kV Leeds East Substation — 132 kV Unnamed substation — 132 kV Kensal Green Substation — 400 kV Bredbury Substation — 275 kV Colchester Grid Substation — 132 kV Burghfield Substation — 132 kV Ribble GSP Substation — 132 kV Cardiff South Primary Substation — 132 kV Kidsgrove BR Substation — 132 kV Knutsford Substation — 132 kV Bentley Substation — 132 kV Tilbury Substation — 400 kV Lostock Substation — 132 kV ICI Wade Substation — 132 kV Stowmarket Grid — 132 kV Unnamed substation — 400 kV North Tees Sub Station — 132 kV Stafford Substation — 132 kV Hyde Grid Substation — 132 kV New Mills Substation — 132 kV Buxton Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation Minety Substation — 400 kV Cirencester Grid Substation (CIRE) — 132 kV Unnamed substation — 132 kV Brymbo — 132 kV Legacy Substation — 400 kV Westfield Substation — 275 kV Peterborough Power Station Substation — 132 kV Unnamed substation — 132 kV Trostre Grid Substation — 132 kV Gowerton East Grid Substation — 132 kV Morriston Substation — 132 kV Cilfynydd Supergrid Substation — 400 kV Erdington Substation — 132 kV Upton Warren Substation — 132 kV Ystradgynlais Grid Substation — 132 kV Rassau Supergrid Substation — 400 kV Rassau West Primary Substation — 132 kV Brelston Green Supergrid Substation — 400 kV Crumlin Primary Substation — 132 kV Cwmbran Primary Substation — 132 kV Pengam Primary Substation — 132 kV Mountain Ash Grid Substation — 132 kV Stourport Substation — 132 kV Bishops Wood Substation — 275 kV Feckenham Substation — 400 kV Burton Substation — 132 kV Nairn Grid Substation — 132 kV Unnamed substation — 132 kV Folkestone Grid 132kV 009920 — 132 kV Tynemouth Substation — 275 kV Smeaton Substation — 400 kV Featherstone Substation — 132 kV Unnamed substation — 400 kV Branxton Substation — 400 kV Dunbar Substation — 132 kV Tod Point Substation — 275 kV RAE Grid — 132 kV Aldershot Grid Substation — 132 kV Unnamed substation — 132 kV Manningtree BR Substation — 132 kV Tremorfa Substation — 275 kV Pentir Substation — 400 kV Tunbridge Wells Grid — 132 kV Westoning Substation — 132 kV Fraddon Substation — 132 kV Wellingborough Substation — 132 kV St Austell BSP Substation — 132 kV Lewes Grid — 132 kV Pyworthy Substation — 132 kV Alverdiscott Substation — 400 kV Kilmarnock South Substation — 400 kV Wilton Substation — 275 kV Hastings Main — 132 kV London Gateway Substation — 132 kV Coryton South Substation — 400 kV Fleethall Substation — 132 kV Maldon Substation — 132 kV Chelmsford East Substation — 132 kV Springfield BR Substation — 132 kV Scunthorpe North Substation — 132 kV Unnamed substation — 132 kV Broughton GSP — 132 kV Grovehurst Substation — 132 kV Sheerness Grid Substation — 132 kV Sheerness Steelworks — 132 kV Nevendon Substation — 132 kV Neepsend Substation — 400 kV Attercliffe Substation — 132 kV Bourne Substation — 132 kV South Holland Substation — 132 kV Bourne West Substation — 132 kV Grantham Substation — 132 kV Boston Substation — 132 kV West Melton Substation — 132 kV Stamford Substation — 132 kV Brynhill Barry Grid Substation — 132 kV Melton Mowbray Substation — 132 kV Wincobank Substation — 275 kV Cowbridge Tee Substation — 275 kV Harlow West Grid Substation — 132 kV Dormansland Grid — 132 kV Bridgend Grid Substation — 132 kV Charlotte Street Substation — 275 kV Epping Grid Substation — 132 kV Eccles Substation — 400 kV Brora Substation — 132 kV Stevenage Substation — 132 kV Barking Substation — 400 kV Unnamed substation — 132 kV Unnamed substation — 132 kV W Thurrock/Littlebrook Cable Compund — 400 kV West Thurrock Substation — 400 kV Coryton Substation — 132 kV Tilbury Local Substation — 132 kV Ottery St. Mary Substation — 33 kV Unnamed substation — 400 kV South Benfleet Substation — 132 kV Melksham Substation — 400 kV Chipping Sodbury Substation — 132 kV Long Covert Cable Compoound — 400 kV Lawford Substation — 132 kV Unnamed substation — 132 kV Steyning Grid — 132 kV West Grafton Substation — 132 kV Ruckinge Grid — 132 kV Broxburn 132kV Substation — 132 kV Shrubhill — 275 kV Kings Lynn South Grid — 132 kV Linton Substation — 132 kV University Of Birmingham Substation — 132 kV Duke Street Substation — 132 kV Tiverton Junction Substation — 132 kV Winson Green Substation — 132 kV Burwell Primary Substation — 132 kV Belchamp Substation — 132 kV Rye Grid — 132 kV Rhos Primary Substation — 132 kV Carmarthen Grid Substation — 132 kV Wickham Market Substation — 132 kV Churchill Substation — 132 kV Unnamed substation — 132 kV Port Dundas — 275 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Grain Static Inverter Plant — 450 kV Poppleton Substation — 275 kV Lackenby Substation — 400 kV Luton South Substation — 132 kV Unnamed substation — 132 kV Tealing Substation — 275 kV Torness Substation — 400 kV Unnamed substation — 132 kV Rhydlydan Substation — 132 kV Ebury Bridge Substation — 132 kV Hawton Substation — 132 kV Moreton Street Substation — 132 kV Cut Throat Lane Switching Station — 132 kV Elmers Marsh substation — 132 kV Newry 110kV Substation — 110 kV Hartley Grid — 132 kV Doncaster Central 132/33/25kV — 132 kV Inverkeithing Substation — 132 kV Keith Substation — 275 kV Culham JET Substation — 400 kV Steventon Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV West Oxford Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Nechells West BSP — 132 kV Tinsley Park Substation — 275 kV Herne Bay Substation — 132 kV Pitsmoor Substation — 275 kV Unnamed substation — 132 kV Halifax substation — 132 kV Unnamed substation — 132 kV Longford Street Substation — 132 kV Leicester Substation — 132 kV East Yelland Substation — 132 kV Braehead Park Substation — 132 kV Kintore Grid Supply Point — 275 kV Stirling — 132 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Easterhouse Substation — 275 kV Clyde's Mill Substation — 275 kV Dalmarnock — 275 kV Taunton Substation — 400 kV Peterborough Central Substation — 132 kV Pencoed Primary Substation — 132 kV Canterbury South Substation — 132 kV Stella North Substation — 132 kV Margam Substation — 275 kV Pyle Supergrid Substation — 275 kV Bowesfield — 132 kV Dewar Place Grid — 275 kV Street Substation — 132 kV Swansea West Grid Substation — 132 kV Jordanthorpe Substation — 275 kV Portishead Substation — 132 kV Livingston East Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Ayr Substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Farr Wind Farm Substation — 132 kV Foyers Substation — 275 kV Shrewsbury Substation — 400 kV Kings Yard Substation — 132 kV Unnamed substation — 132 kV Bishop's Stortford Substation — 132 kV Castle Bromwich Substation — 132 kV Redmoss Grid Supply Point — 132 kV Radstock Substation — 132 kV Shin — 132 kV Ryeford — 132 kV Newport East Primary Substation — 132 kV Lochay Substation — 132 kV Killin Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Skegness Substation — 132 kV Cupar — 132 kV Unnamed substation — 132 kV Peterhead Substation — 275 kV West George Street Substation — 275 kV Whitegate Substation — 275 kV Ballycronan More HVDC Static Inverter Plant — 275 kV Ballylumford 275kV Substation — 275 kV Unnamed substation — 132 kV Spalding Substation — 132 kV Banbury Substation — 132 kV Bowhays Cross Substation — 132 kV Truro Substation — 132 kV Basildon Grid — 132 kV Goddards Green Grid — 132 kV Kells 275kV Substation — 275 kV Nunthorpe 400KV Cable Compound — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Stanah Substation — 132 kV Rugeley Substation — 400 kV Lichfield Substation — 132 kV Cambridge Arms Switching Station — 132 kV Bradford West Substation — 400 kV Penisarwaun Cable Compound — 400 kV Wern 400KV Cable Compound — 400 kV Langley Substation — 132 kV Unnamed substation — 132 kV Coylton Substation — 275 kV Unnamed substation — 275 kV Fourstones Substation — 275 kV Linnmill Substation — 132 kV Coalburn Substation — 400 kV Strathaven Substation — 275 kV Kilmarnock Town Substation — 275 kV Maybole Substation — 132 kV Neilston Substation — 275 kV Carradale Substation — 132 kV Port Ann Substation — 132 kV Penrith Newtongate Substation — 132 kV Camborne Substation — 132 kV Medway Substation — 400 kV Kings Lynn Power Station — 132 kV High Marnham Substation — 400 kV Bispham Substation — 132 kV Fort William Substation — 132 kV Fort Augustus Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Rame Substation — 132 kV Stella South Substation — 132 kV Abergavenny Grid Substation — 132 kV Templeborough Substation — 275 kV Monkton Grid — 132 kV Castlereagh 275kV Substation — 275 kV Auchencrosh Static Inverter Plant — 275 kV Melbourn Grid Substation — 132 kV Dun Law Wind Farm Substation — 132 kV Station Lane — 132 kV Unnamed substation — 275 kV Cheapside Substation — 132 kV Keighley — 132 kV Torquay Substation — 132 kV Hams Hall South Substation — 132 kV Thatcham Grid Substation — 132 kV Hull South Substation — 132 kV Kinmel Bay Substation — 132 kV Saltend South Substation — 275 kV Saltend North Substation — 275 kV Bransholme Substation — 132 kV Partick Substation — 132 kV Unnamed substation — 132 kV Lincoln Local Substation — 132 kV Lincoln Main Substation — 132 kV Dudley Substation — 132 kV Lye Substation — 132 kV Sleaford Substation — 132 kV Immingham Substation — 132 kV Birkenhead Substation — 275 kV Lytchett Substation — 132 kV Hamworthy Substation — 132 kV Organford off A35 near Upton — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Cheltenham substation — 132 kV Marle Hill Substation — 132 kV Ring Rd Horsforth — 132 kV Spadeadam Substation — 132 kV Leyland Substation — 132 kV Llanelli Primary Substation — 132 kV Morehall Grid — 132 kV St Asaph Substation — 132 kV Brinsworth Substation — 400 kV Rednal Substation — 132 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Grimsby West Substation — 400 kV Legacy Grid Substation — 132 kV Drax — 400 kV Doncaster B 132/66 kV — 132 kV Greater Gabbard Onshore Substation — 132 kV Aldwarke Substation — 275 kV Wolverhampton West Substation — 132 kV St Andrews Cross Substation — 132 kV Smethwick Substation — 132 kV Meadowhead — 132 kV Drumchapel — 275 kV Carntyne Substation — 132 kV Unnamed substation — 33 kV Rochdale Substation — 400 kV Chelsfield Grid — 132 kV Inverarnan Substation — 132 kV Wem Substation — 132 kV Elland Substation — 275 kV Silsden — 132 kV Holmfield — 132 kV Tongland Substation — 132 kV Busby Substation — 275 kV Lambhill Substation — 275 kV East Kilbride Substation — 275 kV Blackhillock Substation — 400 kV Hannahstown 275kV Substation — 275 kV Larne 110kV Substation — 110 kV Finaghy 110kV Substation — 110 kV Eden 110kV Substation — 110 kV Lisburn 110kV Substation — 110 kV Rosebank 110kV Substation — 110 kV Rathgael 110kV Substation — 110 kV Ballynahinch Main 110 kV Substation — 110 kV Carnmoney 110kV Substation — 110 kV Birchfield Lane Substation — 132 kV Oldbury A Transmission Compound (Oldbury Substation) — 400 kV Greatham Substation — 132 kV Union Road Substation — 132 kV St Andrews Road — 132 kV Beeston Royds Grid — 132 kV Bloom Street Substation — 132 kV Unnamed substation — 132 kV Castleton — 132 kV Hartshead — 132 kV Royton — 132 kV Pontyclun Primary Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Andover Grid Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Paignton Substation — 132 kV Girlington — 132 kV Reading Main Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Totnes BSP Substation — 132 kV Leeds North Substation — 132 kV Derby Substation — 132 kV Ernesettle Substation — 132 kV Kilbowie — 132 kV Westferry Circus Substation — 132 kV West Boldon Substation — 275 kV St Tudy Substation — 132 kV South Shields — 275 kV Unnamed substation — 110 kV Sheriff Hutton 1064 — 132 kV Knapton Substation — 132 kV Knaresborough — 275 kV Wormald Green Substation — 132 kV Driffield Substation — 132 kV Moss Nook — 132 kV Malton Substation — 132 kV King Henry's Walk Substation — 132 kV St Germans Substation — 132 kV Bicker Fen Substation — 400 kV Loguestown 110kV Substation — 110 kV Leeming Bar — 132 kV Wokingham Substation — 132 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 275 kV Coalville Substation — 132 kV Ferrybridge C Substation — 275 kV Unnamed substation — 33 kV Unnamed substation — 110 kV Enniskillen 110kV Substation — 110 kV Omagh 110kV Substation — 110 kV Lytham Substation — 132 kV Unnamed substation — 132 kV Crowlands Substation — 132 kV Hendon Grid — 132 kV Hendon 132kV — 132 kV Wold Newton — 132 kV Hirwaun Grid Substation — 132 kV Hawthorn Pit Substation — 275 kV Worthing Substation — 132 kV Offerton — 275 kV Drax — 132 kV Low Road Grid — 132 kV Staygate — 132 kV Sculcoates B — 132 kV Great Yarmouth Grid Substation — 132 kV Belfield — 132 kV Rochdale Central — 132 kV Hartford Substation — 132 kV Willenhall Substation — 132 kV Willenhall Substation — 275 kV Hunshelf Substation — 132 kV Yarborough Road Substation — 132 kV Killingholme Substation — 400 kV Blyton Substation — 132 kV Stony Stratford Substation — 132 kV Moss Road Substation — 132 kV Newton Abbott Substation — 132 kV Retford BSP — 132 kV Whitwell Substation — 132 kV Montpellier Substation — 132 kV Hornchurch Substation — 132 kV Haverfordwest Grid Substation — 132 kV North Greetwell Switching Station — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Whitley Substation — 132 kV Scunthorpe South — 132 kV Harbury Grid Substation — 132 kV Newby 400KV Cable Compound — 400 kV Ocker Hill Substation B — 132 kV Bracknell Substation — 132 kV Kirkhaw Lane — 132 kV Beverley — 132 kV Blackburn Meadows B — 132 kV West Melton Substation — 275 kV Park Street Substation — 132 kV Rawmarsh Road Substation — 132 kV Wishaw substation — 275 kV Staveley Substation — 132 kV Glenlee Substation — 132 kV Moore Substation — 132 kV Coupar Angus Substation — 132 kV Nottingham North Substation — 132 kV Grantham South Substation — 132 kV Black Lake Substation — 132 kV Slieve Kirk 110 kV Substation — 110 kV Unnamed substation — 400 kV Toronto Substation — 132 kV Skeeby — 132 kV Newarthill Substation — 275 kV Unnamed substation — 132 kV Carlisle Grid — 132 kV Cardiff East Grid Substation — 275 kV Unnamed substation — 132 kV Dowlais Grid Substation — 132 kV Merthyr East Primary Substation — 132 kV Gosforth — 132 kV North Hyde Substation — 275 kV Heckmondwike Substation — 132 kV Seal Sands Substation — 132 kV Grangetown Substation — 275 kV Benton Rail — 132 kV Highbury Substation — 400 kV Tandragee 275kV Substation — 275 kV Tamnamore 275kV Substation — 275 kV Giffnock Substation — 275 kV Sheringham Shoal onshore substation — 132 kV Blucher — 132 kV Newburn Haugh — 132 kV Coalburns Substation — 132 kV Ravensworth — 132 kV Harraton — 132 kV Barrow — 132 kV Deptford Substation — 132 kV Magherafelt 275 kV Substation — 275 kV Annfield Substation — 132 kV Boothen Substation — 132 kV Waringstown 110kV Substation — 110 kV Betws Wind Farm Substation — 132 kV Kilbraur Wind Farm Substation — 275 kV Clipstone Substation — 132 kV Willoughby Substation — 132 kV Griffin Wind Farm Substation — 132 kV Tarland Substation — 132 kV Pailton Substation — 132 kV Kettering Substation — 132 kV Northampton East Substation — 132 kV Galashiels Substation — 132 kV Southern Cross Substation — 132 kV Egremont Substation — 132 kV Unnamed substation — 132 kV Ammanford Grid Substation — 132 kV Burntwood Substation — 132 kV Greystones A — 275 kV Greystones B — 275 kV Ludlow Substation — 132 kV Nuneaton Substation — 132 kV Hinckley Substation — 132 kV Daventry Substation — 132 kV Ecclefechan — 132 kV Hortonwood Substation — 132 kV Stafford South — 132 kV Huntingdon Substation — 132 kV Woodside Substation — 132 kV Fishersgate Substation — 132 kV Coventry South Substation — 132 kV Fasnakyle Substation — 275 kV Unnamed substation — 132 kV Trefriw Substation — 132 kV Peterborough South Substation — 132 kV Fetteresso Substation — 275 kV Lindley — 132 kV Thornhill 132 — 132 kV Unnamed substation — 132 kV Cell Barnes Substation — 132 kV Killermont — 132 kV Hazelwood Substation — 33 kV Plympton Substation — 132 kV Ashford Hill Compound — 132 kV Antrim 110kV Substation — 110 kV Clunie Substation — 132 kV Unnamed substation — 132 kV Golden Hill Grid Substation — 132 kV Newhaven Grid — 11 kV Unnamed substation — 132 kV Burslem Substation — 132 kV Strathleven — 132 kV Unnamed substation — 132 kV Leicester Road Grid Substation — 132 kV Abernethy Substation — 132 kV Northampton Substation — 132 kV Marston Grid — 132 kV Rock Ferry Substation — 132 kV Bromborough Substation — 132 kV South Brent Substation — 33 kV Unnamed substation — 400 kV Hutton Bonville Rail — 132 kV Unnamed substation — 132 kV Drumnakelly 110kV Substation — 110 kV Kirkstall C — 132 kV Unnamed substation — 132 kV Mark Hill Substation — 275 kV Gordonbush Wind Farm Substation — 275 kV Castle Meads Substation — 132 kV Crystal Rig Substation — 400 kV Fallago Substation — 400 kV Margam Grid Substation — 132 kV Didcot Substation — 400 kV Dungeness Substation — 400 kV Cleve Hill 400kV Substation — 400 kV Unnamed substation — 400 kV Redbridge Substation — 275 kV Sizewell B Substation — 400 kV Unnamed substation — 132 kV Drumcross — 132 kV Berwick — 132 kV Osborn Street Substation — 132 kV Wallsall Substation — 132 kV Wymering Grid Substation — 132 kV Ince Substation — 132 kV WHVDC Substation (B) — 525 kV Gwynt y mor Onshore Link — 132 kV Bodelwyddan Substation — 400 kV Briton Ferry Grid Substation — 132 kV Briton Ferry North CSE Compound — 275 kV Briton Ferry South CSE Compound — 275 kV Rhyl Substation — 132 kV Colwyn Bay Substation — 132 kV Unnamed substation Elvanfoot Substation — 400 kV Harris Substation — 132 kV Killymallaght 110 kV Substation — 110 kV Magherakeel 110kV Substation — 110 kV Whinmoor — 132 kV Devonshire Square Substation — 132 kV Sydenham Park Substation — 132 kV Lots Road Substation — 132 kV Holywell Substation — 132 kV Unnamed substation — 132 kV Little Barford Substation — 132 kV Hinkley Point A Substation — 275 kV Hinkley Point B Substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 275 kV Seabank Substation — 400 kV Milford Haven Grid Substation — 132 kV Dunvegan Substation — 132 kV Wallasey Substation — 132 kV Unnamed substation — 33 kV Gwynt y Môr West OSP — 132 kV Gwynt y Môr East OSP — 132 kV Hayle Substation — 132 kV Luichart Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Culligran Substation — 132 kV Deanie Substation — 132 kV Unnamed substation — 132 kV East Aberthaw Primary Substation — 132 kV Unnamed substation — 275 kV Baglan Bay Substation — 275 kV Corriemoillie Substation — 132 kV Caernarfon Substation — 132 kV Penrhos — 132 kV Y Ffor Substation — 132 kV Flatworth — 132 kV Western HVDC Converter Station — 600 kV Bangor Substation — 132 kV Ardmore Substation — 132 kV Welshpool Substation — 132 kV Exmouth Substation — 132 kV Hunterston East Substation — 400 kV Stornoway Substation — 132 kV Dunbeath Substation — 132 kV Rugby Substation — 132 kV Cassley Substation — 132 kV Alness Substation — 132 kV Lairg — 132 kV Invergarry Substation — 132 kV Quoich Substation — 132 kV St Fergus Gas — 132 kV St Fergus — 132 kV Unnamed substation — 132 kV Glenfarclas — 132 kV Beinneun Substation — 132 kV Dallas — 275 kV Bridge of Dun — 132 kV Brechin Grid — 132 kV Arbroath — 132 kV Fiddes — 132 kV Fraserburgh — 132 kV Charleston — 132 kV Strichen Substation — 132 kV Macduff — 132 kV Lintmill Substation — 132 kV Peterhead Grange — 132 kV Lyndhurst — 132 kV Unnamed substation — 33 kV Unnamed substation — 132 kV Inveraray Substation — 132 kV An Suidhe Substation — 132 kV Ardkinglas Substation — 132 kV Cruachan Substation — 275 kV Dunoon Grid Substation — 132 kV Whistlefield Substation — 132 kV Helensburgh — 132 kV Dalmally Substation — 275 kV Cumbernauld — 132 kV East Kilbride South Substation — 275 kV Hunterston Substation — 400 kV Paisley Substation — 132 kV Coatbridge Substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 400 kV Hadyard Hill Wind Farm Substation — 132 kV Auchenwynd Substation — 132 kV Whitelee Wind Farm Substation — 275 kV Whitelee Wind Farm Extension Substation — 275 kV Chapelcross Substation — 132 kV Newton Stewart Substation — 132 kV Dumfries — 132 kV Glenluce Substation — 132 kV Kendoon Substation — 132 kV Hawick Substation — 132 kV Unnamed substation — 400 kV Unnamed substation — 132 kV Stanah Substation — 400 kV Blyth Substation — 400 kV Unnamed substation — 132 kV Hockley Substation — 132 kV Hartlepool — 275 kV Unnamed substation — 400 kV Eggborough Substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Finsbury Market Substation — 132 kV Bingley Grid — 132 kV Unnamed substation — 275 kV Unnamed substation — 132 kV Cottam Substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Fiddlers Ferry Substation — 132 kV Simonswood Substation — 132 kV Fiddlers Ferry Substation — 275 kV Hunterston North Substation — 400 kV Burnaston Substation — 132 kV Unnamed substation — 275 kV Unnamed substation — 400 kV Asfordby Substation — 132 kV Haggs Road Substation — 132 kV Bradwell Abbey Substation — 132 kV Whitehouse Grid Oldbury Substation — 132 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Oswestry Substation — 132 kV Tividale Substation 132kV — 132 kV Earlstoun — 132 kV Wervin — 132 kV Horsham Grid Substation — 132 kV Nottingham East Substation — 132 kV Burbo Bank Offshore Wind Farm Substation — 400 kV Wandsworth Grid Substation — 132 kV Clyde Wind Farm North Substation — 275 kV Bishopstone Switching Station — 33 kV Banbridge 110kV Substation — 110 kV Blackburn Substation — 132 kV North Tawton Substation — 132 kV Kilroot 275kV Substation — 275 kV Palm Paper 132kV Intake — 132 kV Unnamed substation — 132 kV Hucknall Substation — 33 kV BOC Margam Substation — 132 kV Unnamed substation — 132 kV Sprucefield 33kV Substation — 110 kV Stanlow South Substation — 132 kV Roway Lane Industrial Estate Oldbury Secondary Substation — 110 kV BR Ugley Substation — 132 kV Kitts Green Substation — 132 kV Union Road Tividale Secondary Substation — 110 kV Unnamed substation — 132 kV Ballymena 110 kV Substation — 110 kV Rainhill Substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Union Road Warehouses Tividale Secondary Substation — 110 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Light Source Grid Site — 132 kV Melbourn Solar — 132 kV Lowestoft Grid Substation — 132 kV Hackney Substation — 400 kV Amesbury Bulk Supply Point — 132 kV Strabane 110kV Substation — 110 kV Limavady 110 kV Substation — 110 kV Coleraine 110kV Substation — 110 kV Lisaghmore 110kV Substation — 110 kV Ballyvallagh 110 kV Substation — 110 kV Ballylumford 110kV Substation — 110 kV Flintshire Bridge Converter Station — 600 kV Pontypool North Primary Substation — 132 kV Crane Bank — 132 kV Spalding North Substation — 400 kV Hull East Substation — 132 kV Saltend North Substation — 132 kV Sculcoates A — 132 kV Winster Substation — 132 kV Dungannon 110 kV Substation — 110 kV Arecleoch Wind Farm Substation — 132 kV Unnamed substation Middlemarsh Substation — 132 kV Darlington Central — 132 kV Hatton Gas Compressor Substation — 132 kV Unnamed substation — 132 kV Wakefield Monckton Road — 132 kV Peterborough East Substation — 132 kV Peterborough North Substation — 132 kV Heanor Substation — 132 kV Guilden Sutton — 132 kV Coolkeeragh 275 kV Substation — 275 kV Roway Lane Oldbury Secondary Substation — 110 kV Unnamed substation — 132 kV Lunanhead — 132 kV Cornwallis Road West Bromwich Secondary Substation — 110 kV Albion Industrial Estate West Bromwich Secondary Substation — 110 kV Wrexham Substation — 132 kV Denny North Substation — 400 kV Donegall 110kV Substation — 110 kV Unnamed substation — 132 kV Unnamed substation — 220 kV Unnamed substation Springtown 110kV Substation — 110 kV Slieve Kirk 110kV Substation — 110 kV Glenconway 110 kV Substation — 110 kV Wednesfield Substation — 132 kV Wellclose Square Substation — 132 kV Beech Street Substation — 132 kV Cregagh 110kV Substation — 110 kV Scawby Brook — 132 kV Risley Substation — 132 kV Windle Substation — 132 kV Prescot Substation — 132 kV Golborne Substation — 132 kV Unnamed substation — 132 kV New Cross Substation — 400 kV Back Hill Substation — 132 kV City Road Substation — 400 kV Limeburner Lane Substation — 132 kV Gateacre Substation — 132 kV Bankside Substation — 132 kV Mansell Street BSP — 132 kV Bengeworth Road Substation — 132 kV Fisher Street Substation — 132 kV Deptford West Substation — 132 kV Stowage — 132 kV Chapel Street Substation — 132 kV Leicester Square Substation — 132 kV Old Brompton Road Substation — 132 kV St Pancras Substation — 132 kV Islington Substation — 132 kV Brunswick Wharf Substation — 132 kV Stephenson Street Substation — 132 kV East Ham Tee Point — 132 kV Hornsey Electricity Substation — 132 kV Fulham Palace Road Substation — 132 kV Gibbons Road Substation — 132 kV Neasden Feeder Station — 132 kV Holloway Substation — 132 kV Bury Hill Secondary Substation — 110 kV Unnamed substation — 132 kV Colindale Grid Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV South Hook Substation — 132 kV Unnamed substation — 132 kV Hall Green Substation — 132 kV Rannoch Substation — 132 kV Unnamed substation — 132 kV Robeston Substation — 132 kV Mansfield Substation — 132 kV Stoke Bardolph Substation — 400 kV Clyde Wind Farm South Substation — 275 kV Unnamed substation — 33 kV Carsfad Substation — 132 kV Unnamed substation — 33 kV Uttoxeter Substation — 132 kV Creagh 110kV Substation — 110 kV North Main 110 kV Substation — 110 kV Cannock Substation — 132 kV Newtown Sub-station — 132 kV Black Law Wind Farm Substation — 132 kV Unnamed substation — 132 kV Widnes Substation — 132 kV Midsomer Norton Substation — 33 kV Rasharkin 110kV Substation — 110 kV Portsmouth Grid Substation — 132 kV Rugeley Town Substation — 132 kV Aghyoule 110kV Substation — 110 kV Chafford West 400kV Sealing End Compound — 400 kV Chafford East 400kV Sealing End Compound — 400 kV Braco West Substation — 275 kV Tummel Substation — 275 kV Spittal Substation — 275 kV Thurso South Substation — 275 kV Mybster Substation — 132 kV Blackwall Way Substation — 132 kV Unnamed substation — 132 kV Paradise Street Substation — 132 kV Shap Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Stanmore Grid Substation — 132 kV Palmers Green Grid Substation — 132 kV Finchley Grid Substation — 132 kV Pen y Cymoedd Wind Farm Substation — 132 kV Exeter Substation — 132 kV Unnamed substation — 132 kV Rye House Substation — 132 kV Hornsea Offshore Wind Farm Substation — 400 kV Pudding Mill Lane Substation — 400 kV Bow GIS — 132 kV Hoxton GSP/DC Traction Substation — 132 kV Shotton Converter Station — 400 kV Winsford Substation — 132 kV Unnamed substation Unnamed substation — 132 kV Troughton Farm — 132 kV Alltwalis Wind Farm Substation — 132 kV Tiers Cross Solar Park Substation — 132 kV Northmoor Solar Farm Substation — 132 kV Canworthy Solar Farm Substation — 132 kV Fullabrook Wind Farm Substation — 132 kV Maentwrog Substation — 132 kV Unnamed substation — 132 kV Carrington 400kV GIS — 400 kV Dallam Substation — 132 kV Westhoughton Substation — 132 kV Reading Town Substation — 132 kV Mynydd Bwllfa Wind Farm Substation — 132 kV Rhigos Supergrid Substation — 400 kV Maesgwyn Wind Farm Substation — 132 kV Little Horsted Substation — 400 kV Taynuilt Substation — 132 kV Sloy Switching Station — 132 kV Glenmoriston Substation — 132 kV Edinbane — 132 kV Connagill Substation — 275 kV Dallangwell Substation — 132 kV Blackhillock Converter Station — 320 kV Johnstone — 132 kV Elderslie — 132 kV Unnamed substation — 132 kV Gresley Substation — 132 kV Unnamed substation — 132 kV Tewkesbury Grid Substation — 132 kV Formby Substation — 132 kV Unnamed substation — 132 kV Galloper Onshore Substation — 400 kV Roosecote — 132 kV Walney Wind Farm Extension Substation — 400 kV Ellesmere Port Substation — 132 kV Diss Substation — 132 kV MOULSECOOMB GRID 132 KV — 132 kV Is-Orsaf Clocaenog Grid Substation — 132 kV Whin Park Road — 110 kV Telford Road — 132 kV Unnamed substation — 132 kV Loch Buidhe Substation — 275 kV Sully Grid Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 275 kV Fyrish Substation — 275 kV Unnamed substation Unnamed substation Unnamed substation Till House Solar Park Substation — 33 kV Unnamed substation Glenagnes — 132 kV Dudhope — 132 kV Black Fan Substation — 132 kV Southend Substation — 132 kV Clayhills Grid Supply Point — 132 kV Woodhill Grid Supply Point — 132 kV Willowdale Grid Supply Point — 132 kV Patford Bridge Substation — 400 kV Rocksavage AIS Substation — 400 kV Sutton Bridge Substation — 400 kV Necton Substation — 400 kV Unnamed substation — 400 kV Luton North Substation — 132 kV Burbo Bank 2 Offshore Substation — 220 kV Middleton Substation — 400 kV West of Duddon Sands Wind Farm Substation — 400 kV Rampion Wind Farm Onshore Substation — 400 kV Race Bank Onshore Connection Substation — 220 kV Lincs Wind Farm Substation — 132 kV Sall Grid Substation — 132 kV Dyffryn Brodyn Substation — 33 kV Daedalus Converter Station — 320 kV Chilling Lane Substation — 400 kV Mid Hill Wind Farm Substation — 132 kV Spango Valley Substation — 132 kV Bury GSP — 132 kV Marsh Barton Power Station Substation — 132 kV Cambois Converter Station — 515 kV Addington Substation — 132 kV Kingsbridge Substation — 33 kV Unnamed substation — 400 kV Scout Moor Substation — 132 kV Unnamed substation Carrington Switch House Durham Rail — 132 kV Unnamed substation Culmhead 33kV Solar Park — 33 kV Damhead Creek Substation — 400 kV Walney II OWF grid connection — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation Francis Court Farm Substation — 33 kV Hastings Local — 132 kV Unnamed substation — 132 kV Polegate Grid — 132 kV Little Cheyne Court Substation — 132 kV Sutton Grid — 132 kV Kingston Grid Substation — 132 kV Unnamed substation — 132 kV Rugeley Substation — 132 kV Margam Biomass Generation Substation — 132 kV Thorpe Marsh 275 — 275 kV Ferrybridge A Substation — 66 kV Unnamed substation — 275 kV Fryston Lane — 132 kV Unnamed substation — 132 kV DNO Substation DNO Substation Milehouse Substation — 132 kV Tunbridge Wells Town — 132 kV Unnamed substation Unnamed substation Stoneshill Solar Park Substation — 33 kV Whitchurch Substation — 132 kV Chelmsford North Substation — 132 kV St Paul's Substation — 132 kV Bicester North Substation — 132 kV Moffat Substation — 400 kV Harestanes Wind Farm Substation — 132 kV Kilgallioch Wind Farm Substation — 275 kV New Cumnock Substation — 275 kV Crossaig Substation — 220 kV Langage Substation — 400 kV Talbot Green Primary Substation — 132 kV Marshall Meadows — 132 kV Unnamed substation Unnamed substation — 400 kV Brighouse — 132 kV Brockaghboy 110kV Substation — 110 kV Unnamed substation — 132 kV Farigaig Substation — 275 kV Dunmaglass Wind Farm Substation — 132 kV Corriegarth Wind Farm Substation — 132 kV Stronelairg Wind Farm Substation — 132 kV Melgarve Substation — 400 kV Beatrice Wind Farm Substation — 400 kV East Anglia ONE Substation — 400 kV DNO Substation Unnamed substation — 132 kV Hornsea Two Offshore Wind Farm Substation — 400 kV Loscoe Switching Station — 132 kV European Offshore Wind Deployment Centre Substation — 132 kV Unnamed substation — 132 kV Knock 110kV Substation — 110 kV Garston Substation — 132 kV Longannet Substation — 275 kV Unnamed substation Tremoge 110kV Substation — 110 kV Kingsnorth Grid — 132 kV Dorenell Wind Farm Substation — 132 kV Minnygap Wind Farm Substation — 33 kV Stewarts Road Substation — 132 kV White City Substation — 132 kV Avonmouth Substation — 132 kV Tomatin Substation — 275 kV Calshot Street Substation — 132 kV Richborough 400kV Substation — 400 kV Eland Road — 132 kV Mallard Way Substation — 132 kV Folkestone Converter Station — 400 kV Marchwiel Grid Substation — 132 kV Berry Burn — 275 kV Skelton Grange — 132 kV Unnamed substation — 275 kV Unnamed substation — 400 kV Norton Lees Substation — 275 kV Limmo Peninsula Substation — 132 kV Greenwich Peninsula Substation — 132 kV BRIGHTON LOCAL — 132 kV Creekmoor — 33 kV Leaton Substation — 33 kV Kingsnorth Substation — 400 kV Kirkstall B GSP — 132 kV Blackhill Substation — 132 kV Dun Hill Substation — 132 kV Black Law Extension Substation — 132 kV Glenglass Substation — 132 kV Knocknagael Substation — 275 kV New Deer Substation — 400 kV Rothienorman Substation — 400 kV Osgodby — 132 kV Dunston — 132 kV Barrack Road — 132 kV Rickmansworth Grid — 132 kV Unnamed substation — 132 kV Prologis Substation — 132 kV Unnamed substation — 132 kV Mynydd y Gwair Wind Farm Substation — 132 kV Cardiff North Grid Substation — 132 kV Pinxton Substation — 132 kV Ayshford Court Farm Solar Park Substation — 33 kV Leicester North Substation — 132 kV Wigston Substation — 132 kV Leicester East Substation — 132 kV Carlton Park Substation — 132 kV Dartford Grid Substation — 132 kV DNO Substation — 11 kV DNO Substation Sparling Street Substation — 132 kV Galawhistle Wind Farm Substation — 132 kV Kidderminster — 132 kV Eastern Avenue — 132 kV Commercial Road — 132 kV Blackcraig Substation — 132 kV Ewe Hill Wind Farm Substation — 132 kV Beinneun Wind Farm Substation — 132 kV Bhlaraidh Substation — 132 kV Camberley Substation — 132 kV East Bedfont Substation — 132 kV Crarae Substation — 132 kV Northampton West Substation — 132 kV Aikengall II Wind Farm Substation — 132 kV Cairnford Substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Sowerby Bridge — 132 kV Ryhall Substation — 400 kV Selly Oak Transformer Station — 132 kV Dunlop Substation — 132 kV EPR Substation — 33 kV Walsoken Substation — 132 kV SB Gen 3 — 132 kV Ketley Substation — 132 kV Cobhambury Switching station — 33 kV Galsworthy Wind Farm Substation — 132 kV Unnamed substation — 132 kV Whitson Substation — 400 kV Unnamed substation — 132 kV Waterton Industrial Primary Substation — 132 kV Bootle Substation — 132 kV Edge Lane Substation — 132 kV Huyton Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Cornwall Street — 132 kV Triton Knoll Wind Farm Substation — 400 kV Unnamed substation — 132 kV Sleaford REP Substation — 132 kV Coppenhall Substation — 132 kV Elworth Substation — 132 kV Unnamed substation Dersalloch — 132 kV Wolverhampton Substation — 132 kV Chirton Grange — 132 kV Chad Valley Substation — 132 kV Unnamed substation — 132 kV Glen App Wind Farm Substation — 132 kV Energlyn Grid Substation — 132 kV Cardiff Central Grid Substation — 132 kV Cornwall Energy Recovery Centre Substation — 132 kV Hambleton Crossing — 132 kV Bull's Lodge Substation — 400 kV Ford Bridgend Substation — 132 kV Unnamed substation — 110 kV Unnamed substation — 110 kV Unnamed substation — 110 kV Unnamed substation — 110 kV Littlebrook 132kV Substation — 132 kV Nantgarw Primary Substation — 132 kV Grangetown Primary Substation — 132 kV Rover Way Primary Substation — 132 kV Magor Primary Substation — 132 kV Kingstanding Substation — 132 kV Port Ham Substation — 132 kV Rolls Royce Substation — 132 kV Unnamed substation — 132 kV Goitside Substation — 132 kV Coventry Central Substation — 132 kV Warwick Substation 33kV — 33 kV Red Bank — 132 kV Unnamed substation — 132 kV Tengore Lane Solar Park Substation — 33 kV Unnamed substation — 132 kV Otterham Wind Farm Substation — 132 kV Aberthaw Substation — 132 kV Old Green Substation — 132 kV Bow 11kV — 132 kV Bow Network Rail — 132 kV Speke Substation — 132 kV Purfleet Substation — 132 kV Gort 110 kV Substation — 110 kV Drumquin 110 kV Substation — 110 kV Dromore 110 kV Substation — 110 kV Unnamed substation Leven Substation — 132 kV Scampston Drive — 132 kV Barking Riverside 132kV substation — 132 kV Unnamed substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Clacton Substation — 132 kV Unnamed substation — 132 kV Garvagh Main 110kV Substation — 110 kV Tamnamore 110kV Substation — 110 kV Glengormley 110kV Substation — 110 kV Central 110kV Substation — 110 kV Newtownards 110 kV Substation — 110 kV Ebbsfleet Grid — 132 kV Unnamed substation — 400 kV Bramham — 132 kV Winnington Substation — 132 kV Woodside Substation — 132 kV Hoylake T1 Substation — 132 kV Hewswall Substation — 132 kV Gillmoss Substation — 132 kV Fazakerley Substation — 132 kV Ravenhead Substation — 132 kV St Helen's Substation — 132 kV Llanwern 132Kv Solar Park Substation — 132 kV Dogger Bank A Wind Farm Converter station — 400 kV Halewood Substation — 132 kV Coventry West Substation — 132 kV Neart na Gaoithe Wind Farm Substation — 400 kV Seagreen Wind Farm Substation — 275 kV Viking Link Converter Station — 525 kV Unnamed substation Douglas North — 132 kV Telehouse Substation — 132 kV Unnamed substation — 132 kV Sandford Substation — 400 kV Shurton Substation — 400 kV Wogden Foot Cable Sealing End Compound — 400 kV Shepshed Substation — 132 kV Unnamed substation — 132 kV Ormonde onshore substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Glen Kyllachy Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Knottingley Substation — 400 kV Unnamed substation — 110 kV Wimbledon Substation — 400 kV New Cross Substation — 275 kV Amberley Road B Substation — 132 kV Dalchork Substation — 132 kV Creag Riabhach Wind Farm Substation — 132 kV Ashburton Grid — 132 kV Unnamed substation — 132 kV whitetower energy — 132 kV Unnamed substation — 132 kV Creyke Beck Power Substation — 132 kV Unnamed substation — 132 kV Barking Substation — 132 kV Lisnabreeny 110 kV Substation — 110 kV Mullavilly 110 kV Substation — 110 kV Kells BESS 110 kV Substation — 110 kV Market Harborough Substation — 400 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Aberdeen Place B Substation — 132 kV Aberdeen Place A — 132 kV St Marylebone Substation — 132 kV Penfro Converter Station — 400 kV Creyke Beck — 132 kV Keadby 1 — 132 kV Lister Drive Greener Grid Park — 275 kV Keith Greener Grid Park — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Dromore South 33kV Substation — 33 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Kinardochy Substation — 275 kV Caithness HVDC Switching Station — 320 kV Whitehillock Substation — 400 kV Unnamed substation — 132 kV ____ 33 kV Substation — 33 kV Moray East Onshore substation — 220 kV Unnamed substation Scurf Dyke Gen — 132 kV Ffestiniog Power Station Transformers — 275 kV Unnamed substation Peterhead Substation — 400 kV Cumberhead Collector Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Grain Synchronous Condenser — 400 kV Unnamed substation — 400 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 275 kV Marston Vale Substation — 400 kV Alyth Substation — 275 kV St Fergus East — 132 kV East Anglia THREE Converter Station — 400 kV Unnamed substation — 132 kV Spittal Substation — 320 kV Rothienorman Synchronous Condenser — 400 kV Kintore Grid Supply Point — 132 kV Kintore 400kV Substation — 400 kV Unnamed substation — 132 kV Fort Augustus Substation — 275 kV Fort Augustus Substation — 400 kV Neilston Substation — 400 kV Neilston Substation — 132 kV Neilston Substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 400 kV Sellindge Converter Station — 400 kV Sellindge Substation — 400 kV Unnamed substation — 400 kV Wishaw substation — 400 kV Saltholme Substation — 400 kV Littlebrook Substation — 400 kV Unnamed substation — 132 kV SEC Primary Substation — 33 kV Forkers Yard Battery Storage Facility — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Hartmoor — 275 kV Unnamed substation — 132 kV Unnamed substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Brimsdown South — 132 kV Inverarnan Substation — 275 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Leiston Substation — 132 kV NG Eastern SGT — 400 kV Govan — 132 kV Ashorne Solar Farm Substation (Under Construction) — 132 kV Unnamed substation — 132 kV Albion Oldbury Rd West Brom Secondary Substation — 110 kV Earlham (Grid) Local — 110 kV Rassau Unit 18 Grid Substation — 132 kV Knaresborough — 132 kV Hambleton Junction Feeder Station — 132 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 110 kV Unnamed substation — 400 kV Dudgeon Substation — 400 kV Membury M4 Services North — 110 kV Trowse 2 — 132 kV Earlham 2 — 132 kV Earlham 1 — 132 kV Unnamed substation — 132 kV Bramford Substation — 400 kV Greater Gabbard & Galloper on-shore subsea transition bay — 132 kV Neart na Gaoithe Offshore Substation Platform North — 220 kV Neart na Gaoithe Offshore Substation Platform South — 220 kV Substation for West of Duddon Sands Wind Farm — 155 kV Walney I substation — 132 kV Yaxley Synchronous Condenser — 400 kV Yaxley Substation — 400 kV Unnamed substation — 400 kV Walney I OSP — 132 kV Walney II OSP — 132 kV Moss Side Nursing Home — 110 kV Thurrock Flexible Generation — 275 kV Gwynt y mor Onshore Link — 132 kV Robin Rigg OWF landfall — 132 kV Robin Riggs East — 132 kV Robin Riggs West — 132 kV Lincs Wind Farm Substation — 132 kV Sheringham Shoal Offshore Substation 1 — 132 kV Sheringham Shoal Offshore Substation 2 — 132 kV Unnamed substation — 275 kV Humber Gateway Offshore Substation — 132 kV Humber Gateway onshore substation — 275 kV Westermost Rough OWF onshore substation — 275 kV Westermost Rough Offshore Substation — 150 kV Padiham Substation — 400 kV Padiham Substation — 132 kV Waltham Park Grid — 132 kV Unnamed substation Wilsden BESS — 132 kV Unnamed substation — 275 kV Unnamed substation — 132 kV Beatrice OWF OTM West — 220 kV Beatrice OWF OTM 1 — 220 kV Thanet Offshore Wind Farm onshore substation — 132 kV Richborough Grid — 132 kV London Array OWF SVC pods — 132 kV London Array OWF SVC pods — 132 kV London Array OWF SVC pods — 132 kV London Array OWF SVC pods — 132 kV London Array OWF substation — 400 kV Unnamed substation — 132 kV Unnamed substation — 400 kV Dogger Bank B Wind Farm Converter station — 400 kV Dogger Bank C Wind Farm Converter station — 400 kV Enoch Hill substation — 132 kV Stourton BSP — 132 kV New Keadby 132kV GIS — 132 kV Unnamed substation — 400 kV Unnamed substation Unnamed substation Cleve Hill Solar Park Substation — 400 kV Hawthorn Pit Substation — 400 kV Unnamed substation — 132 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 275 kV Unnamed substation — 275 kV ARA Grid — 132 kV Unnamed substation — 132 kV Unnamed substation Unnamed substation — 132 kV Unnamed substation — 400 kV Unnamed substation — 132 kV Crayford Sealing End Compound — 275 kV Unnamed substation — 132 kV Wylfa — 132 kV Unnamed substation — 275 kV Fairham Substation — 132 kV Unnamed substation — 400 kV Unnamed substation — 400 kV Unnamed substation — 132 kV Glan Llyn Grid Substation — 132 kV Unnamed substation Unnamed substation Unnamed substation — 275 kV Finnieston Substation — 132 kV Unnamed substation — 400 kV Kingsnorth — 132 kV Unnamed substation — 275 kV West Burton Substation — 400 kV West Burton Substation — 132 kV Unnamed substation Benbrack Windfarm Substation — 132 kV Unnamed substation — 275 kV Aberthaw Substation — 275 kV Unnamed substation — 132 kV West Bromwich Street Oldbury Secondary Substation — 110 kV Brades Rd Oldbury Secondary Substation — 110 kV Rye House GIS — 400 kV Rye House AIS — 400 kV Unnamed substation — 132 kV Rye House Generation AIS — 400 kV Lower City Road Tividale Secondary Substation — 110 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Ashtree Road Tividale Secondary Substation — 110 kV Dingle St Tividale Secondary Substation — 110 kV Whitehouse — 275 kV Unnamed substation — 275 kV Unnamed substation Brades Rd Bridge — 110 kV Perry Barr Substation — 132 kV Perry Barr Cable Compound — 275 kV Summerton Road Tividale Secondary Substation — 110 kV Bromford East Substation — 132 kV Connahs Quay GIS Substation — 400 kV Connah's Quay 400kV AIS — 400 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation — 132 kV Unnamed substation Unnamed substation South Farm Solar Park substation Unnamed substation — 132 kV Unnamed substation — 132 kV Higher Stockbridge Solar Farm — 132 kV Old Gas Works Site Oldbury Rd West Brom Secondary Substation — 110 kV Izons Industrial Estate West Bromwich Secondary Substation — 110 kV Credenda Rd Oldbury Secondary Substation — 110 kV Junction Street Oldbury Secondary Substation — 110 kV Bonnybridge Substation — 275 kV Sundon Substation — 400 kV Braintree Substation — 400 kV Bury St Edmunds Substation — 132 kV Yeovil Substation — 132 kV Swansea North Supergrid Substation — 400 kV Lampeter Substation — 132 kV Llanarth Substation — 132 kV West Weybridge Substation — 400 kV Woodcote Substation — 132 kV Keadby Substation — 400 kV Ironbridge Substation — 400 kV Aberystwyth Substation — 132 kV Crewe Substation — 132 kV Carrington AIS Substation — 400 kV Strathaven Substation — 400 kV Penwortham Substation — 400 kV Dounreay Substation — 275 kV Lydney Substation — 132 kV Hatfield Substation — 132 kV Lockleaze Substation — 132 kV Waterston Substation — 132 kV Lister Drive Substation — 275 kV Caergeiliog Substation — 132 kV Fawley Substation — 400 kV Panteg Primary Substation — 132 kV East Cowes Substation — 132 kV Indian Queens Substation — 400 kV Plymouth Substation — 132 kV Stalybridge Substation — 400 kV Gretna Substation — 400 kV NEMO Link converter station — 400 kV Skelton Grange — 275 kV Hutton Substation — 400 kV Spennymoor Substation — 400 kV Unnamed substation — 400 kV Hempton Substation — 132 kV Upper Boat Supergrid Substation — 275 kV Tir John Grid Substation — 132 kV Texaco Substation — 132 kV Feeder Road Substation — 132 kV Newcastle Substation — 132 kV Whitfield Substation — 132 kV Stagefields Substation — 132 kV Spondon Substation — 132 kV Pembroke Substation — 400 kV Ratcliffe-on-Soar Substation — 400 kV Lea Marston Substation 132kV — 132 kV Radcliffe Substation — 132 kV Unnamed substation — 132 kV Littlebrook/W Thurrock Cable Compound — 400 kV Harker Substation — 400 kV Ebbw Vale Primary Substation — 132 kV Heysham Substation — 400 kV Hedon 275kV Substation — 275 kV Uskmouth Grid Substation — 275 kV Kearsley Substation — 400 kV Bustleholme Substation — 400 kV Kergord Converter Station — 320 kV SHETLAND