| Alverdiscott 400kV Substation | NGET | 16 | 13,316 | 30 |
| Creyke Beck 400kV Substation | NGET | 11 | 8,148 | 99.8 |
| Grimsby West 400kV Substation | NGET | 9 | 6,885 | 0 |
| Trent Valley South Connection Node D 400kV Substation | NGET | 4 | 6,420 | 0 |
| Longside 400kV Substation | SHET | 7 | 5,700 | 0 |
| Trent Valley South Connection Node C 400kV Substation | NGET | 11 | 5,389 | 0 |
| Necton 400kV Substation | NGET | 7 | 5,188 | 400 |
| East Claydon 400kV Substation | NGET | 6 | 5,150 | 0 |
| Cheshire Connection Node A 400kV Substation | NGET | 4 | 5,130 | 0 |
| Navenby 400kV Substation | NGET | 10 | 4,899 | 0 |
| South Anglia Connection Node C 400kV Substation | NGET | 5 | 4,874 | 0 |
| Trent Valley South Connection Node B 400kV Substation | NGET | 9 | 4,870 | 0 |
| Branxton 400kV Substation | SPT | 5 | 4,677 | 0 |
| North Anglia Connection Node A 400kV | NGET | 11 | 4,623 | 0 |
| Norwich Main 400kV Substation | NGET | 6 | 4,535 | 420 |
| Drax 400kV Substation | NGET | 5 | 4,496 | 4,006 |
| Birkhill Wood 400kV Substation | NGET | 3 | 4,350 | 0 |
| Peterhead 400kV Substation | SHET | 7 | 4,220 | 1,180 |
| Sussex and Romney Connection Node A 400kV Substation | NGET | 11 | 4,042 | 0 |
| Hawthorn Pit 400kV Substation | NGET | 6 | 3,981 | 0 |
| North Anglia Connection Node B 400kV Substation | NGET | 6 | 3,850 | 0 |
| Blyth 400kV Substation | NGET | 5 | 3,650 | 396 |
| Teeside Connection Node B | NGET | 1 | 3,600 | 0 |
| High Marnham 400kV Substation | NGET | 9 | 3,596 | 450 |
| East Kent connection node A 400kV Substation | NGET | 7 | 3,520 | 0 |
| Greens 400kV Substation | SHET | 2 | 3,500 | 0 |
| Bodelwyddan 400kV Substation | NGET | 5 | 3,468 | 0 |
| Chickerell 400kV Substation | NGET | 5 | 3,450 | 47 |
| West Anglia Connection Node F 400kV Substation | NGET | 6 | 3,429 | 0 |
| Hurlie 400kV substation | SHET | 3 | 3,408 | 0 |
| Feckenham 400kV Substation | NGET | 8 | 3,375 | 29 |
| Drakelow 400kV Substation | NGET | 10 | 3,366 | 0 |
| Shurton 400kV Substation | NGET | 1 | 3,340 | 0 |
| Sizewell 400kV Substation | NGET | 2 | 3,340 | 1,230 |
| Banniskirk 400kV Substation | SHET | 2 | 3,258 | 0 |
| Daines 400kV Substation | NGET | 4 | 3,130 | 0 |
| Biggleswade 400kV Substation | NGET | 7 | 3,056 | 0 |
| Kingsnorth 400kV Substation | NGET | 7 | 3,030 | 812 |
| Walpole 400kV Substation | NGET | 9 | 3,017 | 1,511 |
| Eggborough 400kV Substation | NGET | 2 | 3,000 | 0 |
| Cilfynydd 400kV Substation | NGET | 9 | 2,998 | 0 |
| Nursling 400kV Substation | NGET | 7 | 2,980 | 113.9 |
| Leeds North Connection Node C 400kV Substation | NGET | 8 | 2,970 | 0 |
| Near Branxton 400kV Substation | SPT | 2 | 2,900 | 0 |
| Thorpe Marsh 400kV Substation | NGET | 5 | 2,900 | 0 |
| Dunstable 400kV Substation | NGET | 5 | 2,830 | 0 |
| Northern Shetland 400kV Substation | SHET | 3 | 2,800 | 0 |
| Staffordshire Connection Node A 400kV Substation | NGET | 3 | 2,760 | 0 |
| Weston Marsh 400kV Substation | NGET | 3 | 2,730 | 0 |
| Penwortham 400kV Substation | NGET | 7 | 2,694 | 60 |
| Harker 400kV Substation | NGET | 9 | 2,694 | 0 |
| Monk Fryston 275kV Substation | NGET | 8 | 2,670 | 57 |
| Tealing 132kV Substation | SHET | 5 | 2,600 | 1,075 |
| Trent Valley South Connection Node A 400kV | NGET | 3 | 2,500 | 0 |
| North Anglia Connection Node C 400kV Substation | NGET | 3 | 2,450 | 0 |
| Overton 275kV | NGET | 2 | 2,425 | 0 |
| Solent Connection Node C 400kV | NGET | 1 | 2,400 | 0 |
| Teeside Connection Node 2 C 132/400kV Substation | NGET | 1 | 2,400 | 0 |
| North Anglia Connection Node E 400kV Substation | NGET | 7 | 2,390 | 0 |
| West Anglia Connection Node I 400kV substation | NGET | 3 | 2,340 | 0 |
| Derbyshire Connection Node A 400kV Substation | NGET | 3 | 2,332 | 0 |
| South Humber Connection Node A 400kV | NGET | 5 | 2,280 | 0 |
| Coddington 400kV Substation | NGET | 4 | 2,240 | 0 |
| London North East Connection Node A 400kV | NGET | 4 | 2,200 | 0 |
| Carrington 400KV Substation | NGET | 4 | 2,187 | 0 |
| Kintore GSP | SHET | 3 | 2,140 | 0 |
| Willington 400kV Substation | NGET | 5 | 2,125 | 176 |
| Cottam 400kV Substation | NGET | 5 | 2,100 | 445 |
| Enderby 400kV Substation | NGET | 4 | 2,082 | 57 |
| New Deer 2 400kV Substation | SHET | 6 | 2,055 | 0 |
| West Anglia Connection Node C 400kV Substation | NGET | 3 | 2,050 | 0 |
| Derbyshire Connection Node G 400kV | NGET | 2 | 2,039 | 0 |
| Swansea North 400kV Substation | NGET | 9 | 2,021 | 61 |
| Machair 275/66kV Offshore Substation | SPT | 1 | 2,000 | 0 |
| West Anglia Connection Node H 400kVSubstation | NGET | 2 | 2,000 | 0 |
| South Wales West Connection Node A 400kV Substation | NGET | 7 | 1,975 | 0 |
| Cockenzie 400/275kV | SPT | 5 | 1,943 | 0 |
| Trent Valley North Connection Node B 400kV Substation | NGET | 5 | 1,940 | 0 |
| Melksham 400kV Substation | NGET | 6 | 1,922 | 0 |
| West Anglia Connection Node G 400kV Substation | NGET | 3 | 1,920 | 0 |
| APPLEFORD 400kV SUBSTATION | NGET | 3 | 1,900 | 0 |
| Staythorpe 400kV Substation | NGET | 5 | 1,887 | 1,752 |
| Bolney 400kV Substation | NGET | 9 | 1,804 | 495.8 |
| Basingstoke East 400kV Substation | NGET | 4 | 1,800 | 0 |
| Earba PSH Powerhouse Substation | SHET | 1 | 1,800 | 0 |
| Glen Earrach PSH 400kV substation | SHET | 1 | 1,800 | 0 |
| Lackenby 400kV Substation | NGET | 3 | 1,800 | 1,320 |
| Westfield 132/33kV | Mixed | 6 | 1,799 | 0 |
| Wearside Connection Node B 400kV Substation | NGET | 5 | 1,797 | 0 |
| Legacy 400kV Substation | NGET | 4 | 1,714 | 0 |
| Warley 275kV Substation | NGET | 12 | 1,711 | 205.9 |
| Pembroke 400kV Substation | NGET | 9 | 1,705 | 2,199 |
| New Dounreay 400kV substation | SHET | 2 | 1,700 | 0 |
| Cellarhead 400kV Substation | NGET | 6 | 1,680 | 20 |
| North Humber Connection Node E 400kV Substation | NGET | 3 | 1,680 | 0 |
| Ferrybridge C 275kV Substation | NGET | 2 | 1,670 | 0 |
| Sussex and Romney Connection Node B 400kV Substation | NGET | 5 | 1,665 | 0 |
| Braintree 400kV Substation | NGET | 6 | 1,657 | 55 |
| Earl Shilton 400kV Substation | NGET | 4 | 1,650 | 0 |
| Langage 400kV Substation | NGET | 4 | 1,649 | 905 |
| Norton East 400kV Substation | NGET | 5 | 1,630 | 0 |
| New North East Substation 400kV Substation | SHET | 4 | 1,600 | 0 |
| West Anglia Connection Node A 400kV Substation | NGET | 2 | 1,600 | 0 |
| East Kent Connection Node B 400kV Substation | NGET | 3 | 1,578 | 0 |
| West Anglia Connection Node D 400kV Substation | NGET | 4 | 1,570 | 0 |
| Market Harborough 400kV Substation | NGET | 3 | 1,560 | 0 |
| Cheshire Connection Node A2 400kV | NGET | 2 | 1,550 | 0 |
| Eaton Socon 400kV Substation | NGET | 4 | 1,550 | 740 |
| Severn Connection Node A 400kv Substation | NGET | 8 | 1,548 | 49.9 |
| Wymondley 400kV Substation | NGET | 6 | 1,543 | 15 |
| Pont Abraham GSP | NGET | 9 | 1,539 | 0 |
| Rayleigh 400kV Substation | NGET | 2 | 1,530 | 0 |
| Derbyshire Connection Node I 400kV Substation | NGET | 4 | 1,518 | 0 |
| South Anglia Connection Node E 400kV Substation | NGET | 4 | 1,509 | 0 |
| Brinsworth 400kV Substation | NGET | 1 | 1,500 | 0 |
| Chiltern Connection Node C 400kV Substation | NGET | 2 | 1,500 | 0 |
| Lincolnshire Coastal Node 400kV Substation | NGET | 1 | 1,500 | 0 |
| Torridge Offshore Substation | NGET | 1 | 1,500 | 0 |
| Fearna Pump Storage Hydro 2 400/15kV Substation | SHET | 1 | 1,495 | 0 |
| Teeside Connection Node A 132kV Substation | NGET | 4 | 1,468 | 285 |
| Leeds North Connection Node B 400kV Substation | NGET | 5 | 1,442 | 0 |
| Hams Hall 400kV Substation | NGET | 2 | 1,425 | 0 |
| South Anglia Connection Node B 400kV Substation | NGET | 3 | 1,420 | 0 |
| Ninfield 400kV Substation | NGET | 4 | 1,420 | 0 |
| Cowley 400kV Substation | NGET | 7 | 1,407 | 61.9 |
| Imperial Park B 400kV Substation | NGET | 2 | 1,400 | 0 |
| South Anglia Connection Node D 400kV Substation | NGET | 3 | 1,400 | 0 |
| Arnish Lewis Hub 400kV Substation | SHET | 2 | 1,395 | 0 |
| Eccles 400/132kV | SPT | 6 | 1,380 | 0 |
| Woolavington 400kV Substation | NGET | 2 | 1,380 | 0 |
| Butlers Wood 400kV Substation | NGET | 2 | 1,355 | 0 |
| Bicker Fen 400kV Substation | NGET | 5 | 1,354 | 0 |
| Derbyshire Connection Node H 400kV Substation | NGET | 2 | 1,350 | 0 |
| Strathaven 400/275kV | SPT | 4 | 1,350 | 0 |
| Brechin 400/275 kV Substation | SHET | 1 | 1,320 | 0 |
| East Anglia Project Three Offshore Platform | NGET | 1 | 1,320 | 0 |
| IMW01 OFFSHORE 275/66KV OFFSHORE SUBSTATION | NGET | 1 | 1,320 | 0 |
| Ironbridge 400kV Substation | NGET | 3 | 1,300 | 0 |
| Wearside Connection Node D 400kV Substation | NGET | 4 | 1,300 | 0 |
| Fiddlers Ferry 275kV Substation | NGET | 3 | 1,300 | 0 |
| Coire Glas GSP | SHET | 1 | 1,296 | 0 |
| North Kent Connection Node A 400kV Substation | NGET | 2 | 1,280 | 0 |
| Mablethorpe 400kV Substation | NGET | 2 | 1,274 | 0 |
| North Wales connection Node A 400kV Substation | NGET | 4 | 1,273 | 0 |
| MERSEYSIDE CONNECTION NODE A 400KV SUBSTATION | NGET | 2 | 1,260 | 0 |
| Alyth 400kV Substation | SHET | 4 | 1,254 | 0 |
| WEST ANGLIA CONNECTION NODE B 400KV SUBSTATION | NGET | 2 | 1,250 | 0 |
| Kincardine North 400kV Substation | SPT | 3 | 1,249 | 0 |
| South Anglia Connection Node A 400kV Substation | NGET | 2 | 1,240 | 0 |
| Exeter 400kV Substation | NGET | 7 | 1,229 | 40.88 |
| NORTH KENT CONNECTION NODE C 132KV SUBSTATION | NGET | 4 | 1,212 | 0 |
| Connah's Quay 400kV Substation | NGET | 4 | 1,210 | 1,570 |
| Chiltern Connection Node D 400kV | NGET | 3 | 1,200 | 0 |
| Lancashire Connection Node B 400kV Substation | NGET | 2 | 1,200 | 0 |
| London North West Connection Node A 132kV Substation | NGET | 2 | 1,200 | 0 |
| West Burton 400kV Substation | NGET | 4 | 1,200 | 1,881 |
| West Country Connection Node C 400kV Substation | NGET | 1 | 1,200 | 0 |
| Western Marsh 400kV | NGET | 2 | 1,200 | 0 |
| Yaxley 400kV Substation | NGET | 5 | 1,198 | 0 |
| Bramford 400kV Substation | NGET | 8 | 1,163 | 147.9 |
| Sundon 400kV Substation | NGET | 7 | 1,150 | 179.3 |
| Redshaw 132kV Substation. | SPT | 3 | 1,124 | 0 |
| Warwickshire Connection Node A 400kV Substation | NGET | 3 | 1,100 | 0 |
| Wearside Connection Node A 275kV Substation | NGET | 2 | 1,100 | 0 |
| Frodsham 132kV | NGET | 4 | 1,090 | 0 |
| Derbyshire Connection Node B 400kV Substation | NGET | 3 | 1,090 | 0 |
| Pentir 400kV Substation | NGET | 3 | 1,082 | 39 |
| Rhigos 400kV Substation | NGET | 5 | 1,081 | 527 |
| Five Estuaries 220/66 kV Offshore Substation | NGET | 1 | 1,080 | 0 |
| Wylfa South 400kV Substation | NGET | 3 | 1,080 | 0 |
| Spittal 132kV Substation | SHET | 3 | 1,062 | 0 |
| Jubilee Farm 275kV Substation | NGET | 3 | 1,040 | 0 |
| Killingholme 400kV Substation | NGET | 3 | 1,040 | 619 |
| Blackhillock 275kV Substation | SHET | 5 | 1,011 | 0 |
| Cousland 400kV | NGET | 1 | 1,008 | 0 |
| Aberthaw 275kV Substation | NGET | 6 | 1,004 | 20 |
| New East Coast 400kV Substation | SHET | 1 | 1,000 | 0 |
| Bulls Lodge 400kV Substation | NGET | 2 | 1,000 | 0 |
| CELTIC SEA 275/66KV OFFSHORE SUBSTATION | NGET | 1 | 1,000 | 0 |
| Chiltern Connection Node B 400kV Substation | NGET | 1 | 1,000 | 0 |
| Coryton South 400kV Substation | NGET | 2 | 1,000 | 850 |
| Derbyshire Connection Node C 400kV Substation | NGET | 1 | 1,000 | 0 |
| Dungeness 400kV Substation | NGET | 3 | 1,000 | 0 |
| EQUINOR 66KV OFFSHORE SUBSTATION | NGET | 1 | 1,000 | 0 |
| Hope 400kV Substation | NGET | 1 | 1,000 | 0 |
| LAVENDON 400KV SUBSTATION | NGET | 1 | 1,000 | 0 |
| LLYWELYN EXTENSION OFFSHORE WIND FARM 66/275KV OFFSHORE SUBSTATION | NGET | 1 | 1,000 | 0 |
| London North West Connection Node B 400kV Substation | NGET | 1 | 1,000 | 0 |
| Neilston 400kV Substation | SPT | 4 | 1,000 | 150 |
| North Falls Offshore Platform Substation | NGET | 1 | 1,000 | 0 |
| North Humber Connection Node A 400kV Substation | NGET | 2 | 1,000 | 0 |
| Spittal 2 400kV Substation | SHET | 1 | 1,000 | 0 |
| SPR CS1 275/66KV OFFSHORE SUBSTATION | NGET | 1 | 1,000 | 0 |
| Trent Valley North Connection Node F 400kV Substation | NGET | 1 | 1,000 | 0 |
| Tween Bridge 400kV | NGET | 1 | 1,000 | 0 |
| MID WALES CONNECTION NODE A 400KV SUBSTATION | NGET | 6 | 971 | 0 |
| DERBYSHIRE CONNECTION NODE E 132 KV SUBSTATION | NGET | 4 | 960 | 0 |
| Thornton 400kV Substation | NGET | 4 | 960 | 0 |
| Denny North 275/132kV | SPT | 3 | 950 | 0 |
| Walham 400kV Substation | NGET | 2 | 949 | 0 |
| Wymondley 2 400kV Substation | NGET | 2 | 949 | 0 |
| Chirk GSP | NGET | 7 | 943 | 0 |
| Trawsfynydd 275kV Substation | NGET | 2 | 940 | 10 |
| MIDDLETON FARM 400KV SUBSTATION | SPT | 1 | 937 | 0 |
| Thurso South 275kV Substation | SHET | 5 | 936 | 0 |
| Alyth Solar and Battery 400/132kV | SHET | 1 | 900 | 0 |
| Balliemeanoch 275kV Substation | SHET | 1 | 900 | 0 |
| Knocknagael 132kV Substation | SHET | 3 | 900 | 0 |
| Loch Nan Eun 275/18kV | SHET | 1 | 900 | 0 |
| Capenhurst 275kV Substation | NGET | 8 | 896.6 | 304 |
| Keadby 400kV Substation | NGET | 6 | 892 | 2,827 |
| Marston Vale 400kV Substation | NGET | 3 | 889 | 0 |
| EA2A and EA2B 275/66kV Offshore Platform | NGET | 1 | 880 | 0 |
| Friston 400kV Substation | NGET | 1 | 880 | 0 |
| Tod Point 275kV Substation | NGET | 1 | 860 | 0 |
| Kelloe Mains 400kV Substation | SPT | 3 | 854 | 0 |
| Cottered 400kV Substation | NGET | 1 | 850 | 0 |
| Coylton 132/33kV | SPT | 4 | 850 | 29.75 |
| Didcot 400kV Substation | NGET | 7 | 850 | 1,809 |
| Greystones B 275kV Substation | NGET | 1 | 850 | 0 |
| Spennymoor 400kV Substation | NGET | 4 | 849.7 | 0 |
| Bradford West 275kV Substation | NGET | 3 | 849 | 0 |
| Farmoor 400kV Substation | NGET | 1 | 840 | 0 |
| Middleton 400KV Substation | NGET | 3 | 840 | 0 |
| Teviot 400/132kV Substation | SPT | 3 | 807.9 | 0 |
| Botley 400kV Substation | NGET | 1 | 800 | 0 |
| Cheshire Connection Node B 400kV Substation | NGET | 2 | 800 | 0 |
| Dalry 400kV Substation | SPT | 1 | 800 | 0 |
| Lincolnshire Coastal Node B 400kV Substation | NGET | 1 | 800 | 0 |
| NatPower Harburn Green Energy Park 400kV Substation | SPT | 1 | 800 | 0 |
| West Anglia Connection Node E 400kV Substation | NGET | 2 | 800 | 0 |
| South Wales East Node A 275kV Substation | NGET | 3 | 794 | 0 |
| Ryhall 400kV Substation | NGET | 2 | 790 | 0 |
| Ratcliffe-On-Soar 132kV Substation | NGET | 4 | 779.9 | 225 |
| New Deer 400kV Substation | SHET | 3 | 760 | 900 |
| Chiltern Connection Node A 400kV Substation | NGET | 1 | 750 | 0 |
| Wyseby Hill Energy Farm 400kV Substation | SPT | 1 | 750 | 0 |
| DRAGON GREEN 400kV SUBSTATION | NGET | 2 | 749.9 | 0 |
| Manchester South connection node A 400kv | NGET | 2 | 740 | 0 |
| Thetford 400kV Substation | NGET | 1 | 720 | 0 |
| Glenmuckloch 132kV Substation | SPT | 4 | 701.2 | 0 |
| Auchentiber Farm BESS 400kV Substation | SPT | 1 | 700 | 0 |
| Greystones A 275kV Substation | NGET | 2 | 700 | 150 |
| Llanteg 400kV Substation | NGET | 1 | 700 | 0 |
| South Wales West Connection Node B 400kV Substation | NGET | 2 | 700 | 0 |
| West Country Connection Node D 400kV Substation | NGET | 2 | 700 | 0 |
| Loch Kemp 275kV Switching Station | SHET | 1 | 660 | 0 |
| Ayr 275/33kV | SPT | 5 | 659.9 | 0 |
| Chesterfield 400kV Substation (Not yet constructed) | NGET | 2 | 657 | 0 |
| Norton 275kV Substation | NGET | 5 | 652.8 | 0 |
| Bramford B 400kV Substation | NGET | 1 | 650 | 0 |
| Braxbess 400/132kV Collector Substation | SPT | 2 | 650 | 0 |
| Rugeley 400kV Substation | NGET | 2 | 650 | 0 |
| Rowdown 400kV Substation | NGET | 2 | 649 | 0 |
| Thorntonloch 400kV Substation | SPT | 2 | 640 | 0 |
| Axminster 132kV Substation | NGET | 5 | 639.9 | 0 |
| Dorenell Extension Wind Farm 400kV Substation | SHET | 1 | 610 | 0 |
| Littlebrook 132kV Substation | NGET | 3 | 607 | 0 |
| Brinsworth B 400kV Substation | NGET | 1 | 600 | 0 |
| Cruachan 275kV Substation | SPT | 2 | 600 | 0 |
| Dalkeith 400kV Substation | SPT | 3 | 600 | 0 |
| Hadleigh 400kV Substation | NGET | 1 | 600 | 0 |
| Harlaston 400kV Substation | NGET | 1 | 600 | 0 |
| LGB300 400KV Substation | SHET | 1 | 600 | 0 |
| Oakley 400kV Substation | NGET | 1 | 600 | 0 |
| SANDFORD B 400kV SUBSTATION | NGET | 1 | 600 | 0 |
| Southery 400kV Substation | NGET | 1 | 600 | 0 |
| West Haddon 400kV Substation | NGET | 1 | 600 | 0 |
| Fawley 132kV Substation | NGET | 8 | 599.97 | 347.9 |
| Thormanby 400kV Substation | NGET | 2 | 599.9 | 0 |
| Bramley 400kV Substation | NGET | 5 | 594 | 67 |
| Gills Bay 132kV | SHET | 3 | 585.5 | 0 |
| Indian Queens 400kV Substation | NGET | 5 | 579.5 | 140 |
| Sellindge 400kV Substation | NGET | 4 | 576 | 10 |
| Rassau 400kV Substation | NGET | 3 | 565 | 0 |
| Rothienorman 400kV Substation | SHET | 5 | 565 | 12.5 |
| Melksham B 132KV Substation | NGET | 3 | 550 | 0 |
| Stoke Bardolph 400kV Substation | NGET | 2 | 549.7 | 0 |
| DOUNREAY 2 275 kV SUBSTATION | SHET | 2 | 543.2 | 0 |
| Grendon 132kV Substation | NGET | 2 | 540.9 | 0 |
| Smeaton 400/275kV | SPT | 2 | 528 | 0 |
| Kirkby 275/33kV Substation | NGET | 3 | 514 | 0 |
| Rayleigh Main 400kV Substation | NGET | 6 | 513.8 | 0 |
| Burwell South 400kV Substation | NGET | 3 | 506.9 | 0 |
| AGS CALDERSIDE 275KV SUBSTATION | SPT | 1 | 500 | 0 |
| AGS Harestonhill BESS 400kV Substation | SPT | 1 | 500 | 0 |
| Alcemi Score Battery 400kV Substation | SHET | 1 | 500 | 0 |
| ALCEMI SCORE BATTERY ENERGY STORAGE FACILITY 400KV SUBSTATION | SHET | 1 | 500 | 0 |
| ALYTH BESS STATION 400KV SUBSTATION | SHET | 1 | 500 | 0 |
| Ayr Farm Collector Substation | SPT | 1 | 500 | 0 |
| Bankhead 400kV Substation | SPT | 1 | 500 | 0 |
| Bendsmoor BESS 400Kv Substation | SPT | 1 | 500 | 0 |
| Bishopbriggs BESS 400/275kV Substation | SPT | 1 | 500 | 0 |
| Braybrooke (Network Rail) GSP | NGET | 1 | 500 | 0 |
| Coalburn 400kV GIS Substation | SPT | 1 | 500 | 0 |
| Culham Jet 400kV Substation | NGET | 1 | 500 | 0 |
| Devilla Battery Storage 275kV substation | SPT | 1 | 500 | 0 |
| East Anglia Connection Node E 400kV Substation | NGET | 1 | 500 | 0 |
| ELSTREE B 275KV SUBSTATION | NGET | 1 | 500 | 0 |
| Gravity 400kV Substation | NGET | 1 | 500 | 0 |
| Kilmarnock South 400kV Substation | SPT | 2 | 500 | 300 |
| Long Stratton 400kV | NGET | 1 | 500 | 0 |
| Moffat 132/33kV | SPT | 2 | 500 | 25 |
| NatPower Green Energy Park 400kV Substation | SPT | 1 | 500 | 0 |
| NATPOWER KINTORE 2 GREEN ENERGY PARK 275KV SUBSTATION | SHET | 1 | 500 | 0 |
| Redshaw Energy Park 132kV substation | SPT | 1 | 500 | 0 |
| Scoop Hill Wind Farm 132kV Substation | SPT | 1 | 500 | 0 |
| Sealand 400kV Substation | NGET | 1 | 500 | 0 |
| Swaffham 400KV Substation | NGET | 1 | 500 | 0 |
| Tideford 400kV Substation | NGET | 1 | 500 | 0 |
| Whitehill Bess 275/132kV Substation | SPT | 1 | 500 | 0 |
| Thurcroft 275kV Substation | NGET | 2 | 499.9 | 0 |
| Llandyfaelog 132kV Substation | NGET | 3 | 485.8 | 0 |
| Whitson 275kV Substation | NGET | 4 | 484.9 | 0 |
| Shrewsbury 400/33kV Substation | NGET | 2 | 480.84 | 0 |
| Burwell 400kV Substation | NGET | 4 | 480 | 87.9 |
| Bushbury 275kV Substation | NGET | 1 | 480 | 0 |
| Chickerell B 400kV Substation | NGET | 1 | 480 | 0 |
| Derbyshire Connection Node D 400kV Substation | NGET | 2 | 480 | 0 |
| London South Connection Node A 132kV Substation | NGET | 2 | 480 | 0 |
| Pelham 400kV Substation | NGET | 1 | 480 | 0 |
| Wakeleys 400kV | NGET | 1 | 480 | 0 |
| West Country Connection Node E 400kV Substation | NGET | 1 | 480 | 0 |
| Leeds North Connection Node E | NGET | 2 | 479 | 0 |
| North Anglia Connection Node D 132kV Substation | NGET | 2 | 477.9 | 0 |
| Hartmoor 275kV Substation | NGET | 3 | 477.4 | 0 |
| Fetteresso 132kV substation | SHET | 5 | 459.7 | 0 |
| CAITHNESS ENERGY STORAGE 400KV SUBSTATION | SHET | 1 | 456 | 0 |
| Gresham House Gretna 400/132kv Substation | SPT | 2 | 456 | 0 |
| AYR DBB 275KV SUBSTATION | SPT | 1 | 450 | 0 |
| Leeds North Connection Node D 400kV Substation | NGET | 2 | 450 | 0 |
| New Cumnock 275/132kV | SPT | 2 | 450 | 235 |
| Kearsley 275kV Substation | NGET | 3 | 449.9 | 21 |
| Patford Bridge 400kV Substation | NGET | 2 | 449.9 | 0 |
| DEVOL MOOR 132/33KV GRID SUPPLY POINT SUBSTATION | SPT | 2 | 449 | 0 |
| Borders Connection Node A 400kV | NGET | 2 | 440 | 0 |
| Kellingley IDNO GSP | NGET | 1 | 440 | 0 |
| Wearside Connection Node B 2 400kV Substation | NGET | 2 | 440 | 0 |
| Minety 400kV Substation | NGET | 10 | 427.5 | 19 |
| Wylfa 132kV Substation | NGET | 2 | 420 | 0 |
| Leeds South Connection Node C 400kV Substation | NGET | 1 | 410 | 0 |
| Hawick 132kV Substation | SPT | 4 | 406.8 | 0 |
| Clydesmill 275/33kV | SPT | 3 | 403 | 0 |
| Willington East 400kV Substation | NGET | 4 | 401.9 | 0 |
| Borders Windfarm 132kV | SPT | 1 | 400 | 0 |
| Coachford 400kV Substation | SHET | 1 | 400 | 0 |
| Conland Substation | SPT | 2 | 400 | 0 |
| Corriemoillie 132/33kV Substation | SHET | 4 | 400 | 116.5 |
| Elmya Morningside 400kV Substation | SPT | 1 | 400 | 0 |
| Fife Grid Services Facility 275kV Substation | SPT | 3 | 400 | 0 |
| Hunterston East 400kV | SPT | 2 | 400 | 0 |
| Jersey Farm 400kV Substation | NGET | 1 | 400 | 0 |
| KEPPEN BURN 400KV SUBSTATION | SPT | 1 | 400 | 0 |
| Kinardochy Substation 400/275kV | SHET | 1 | 400 | 0 |
| KINGSNORTH B 400KV SUBSTATION | NGET | 1 | 400 | 0 |
| Lawfield and Branxton Energy Park 400kV Substation | SPT | 1 | 400 | 0 |
| Linwood 400kV Substation | SPT | 1 | 400 | 0 |
| Manchester South Connection Node B 400kV Substation | NGET | 1 | 400 | 0 |
| Newarthill 275 kV Substation | SPT | 1 | 400 | 0 |
| Newchurch 400kV Substation | NGET | 1 | 400 | 0 |
| Norwich Main 400kW Substation | NGET | 1 | 400 | 0 |
| RWE CELTIC OFFSHORE SUBSTATION | NGET | 1 | 400 | 0 |
| Spirebush 132kV Substation | SPT | 1 | 400 | 0 |
| Trent Valley South Connection Node A 400k | NGET | 1 | 400 | 0 |
| Trent Valley South Connection Node G 400kV Substation | NGET | 1 | 400 | 0 |
| Windyhill 132kV | SPT | 2 | 400 | 0 |
| Warwickshire Connection Node F 132kV Substation | NGET | 2 | 399 | 0 |
| Penrhos GSP | NGET | 2 | 390 | 0 |
| Gala North 400/132kV Substation | SPT | 4 | 381.2 | 0 |
| Botley West 400kV Substation | NGET | 2 | 380 | 0 |
| Amersham Main 132kV Substation | NGET | 4 | 375.18 | 99 |
| Fyrish 132kV Substation | SHET | 2 | 370 | 0 |
| Uskmouth 132kV Substation | NGET | 5 | 369 | 1,210 |
| Armadale 132kV Substation | SPT | 2 | 360 | 0 |
| West London Connection Node B 132kV substation | NGET | 2 | 360 | 0 |
| Lovedean 400kV Substation | NGET | 5 | 355.9 | 41 |
| Boydston 400kV substation | SPT | 1 | 350 | 0 |
| Derbyshire Connection Node F 132KV | NGET | 2 | 350 | 0 |
| Margam B 400kV Substation | NGET | 1 | 350 | 0 |
| New Patford Bridge 400kV Substation | NGET | 1 | 350 | 0 |
| Stella West 400kV Substation | NGET | 1 | 350 | 0 |
| Berkswell 275kV Substation | NGET | 3 | 349.4 | 0 |
| Kemsley 400kV Substation | NGET | 4 | 348.9 | 85.7 |
| Penn 132kV Substation | NGET | 3 | 348.9 | 49.9 |
| Meadowmill 400/132kV Substation | SPT | 2 | 342 | 0 |
| HIGH MATHERNOCK 132KV SUBSTATION | SPT | 1 | 334 | 0 |
| Hunterston 400/132kV | SPT | 4 | 325 | 0 |
| Bridgwater 400/132kV Substation | NGET | 3 | 306.99 | 6 |
| Osbaldwick 400kV Substation | NGET | 2 | 306.9 | 0 |
| Maybole 132/33kV | SPT | 6 | 305.8 | 149.85 |
| Elvanfoot 275/132/33kV | SPT | 3 | 303.33 | 0 |
| Chapelcross 132/33kV | SPT | 5 | 300.88 | 72.1 |
| Broadford 132kV Substation | SHET | 2 | 300 | 0 |
| Castlemilk 400kV Substation | SPT | 1 | 300 | 0 |
| Craig Moss Farm 132kV Substation | SPT | 1 | 300 | 0 |
| Elmya Grange 400kV | NGET | 1 | 300 | 0 |
| Giffordland 400/132kV | SPT | 2 | 300 | 0 |
| Gresham House Dalmarnock Bess 132kv Substation | SPT | 1 | 300 | 0 |
| Gresham House Kincardine BESS 275/132kV substation | SPT | 1 | 300 | 0 |
| Kynachan BESS 132kV Substation | SHET | 1 | 300 | 0 |
| Letham 400/275kV substation | SPT | 1 | 300 | 0 |
| Loch Fearna Pumped Storage 400/18kV Substation | SHET | 1 | 300 | 0 |
| Longmorn Energy Park 275kV Substation | SHET | 1 | 300 | 0 |
| Newarthill Energy Park 275kV Substation | SPT | 1 | 300 | 0 |
| NorthFleet 400kV Substation | NGET | 1 | 300 | 0 |
| Pyworthy 400kV Substation | NGET | 1 | 300 | 0 |
| Red Moss Farm 132kV Substation | SPT | 1 | 300 | 0 |
| West Country Connection Node A 400kV Substation | NGET | 1 | 300 | 0 |
| Ferrybridge B 132kV Substation | NGET | 3 | 299.9 | 150 |
| Staffordshire Connection Node D 132kV Substation | NGET | 2 | 299.6 | 0 |
| New North West 132kV Substation | SHET | 2 | 299.2 | 0 |
| Humber Refinery 400kV Substation | NGET | 2 | 299 | 0 |
| Richborough 400kV Substation | NGET | 4 | 298.95 | 100 |
| Narie 400/132kV Substation | SPT | 1 | 297 | 0 |
| Harburn 132/33kV Grid Supply Point Substation | SPT | 2 | 293 | 0 |
| NEW TAYNUILT 132 KV SUBSTATION | SHET | 1 | 290 | 0 |
| Glen Ullinish 132/33kV Substation | SHET | 2 | 289.9 | 0 |
| Connagill 275kV Substation | SHET | 3 | 289 | 0 |
| South Wales West Connection Node C 400kV | NGET | 2 | 287.5 | 0 |
| Bodinglee Wind Farm 132kV | SPT | 1 | 280 | 0 |
| Whitburn 400kV substation | SPT | 1 | 280 | 0 |
| Kinkell IDNO GSP | SPT | 1 | 266 | 0 |
| Ladyburn 132kV Substation | SPT | 3 | 266 | 0 |
| East Kilbride 275/33kV GSP | SPT | 2 | 255 | 0 |
| Peat Law Renewable Energy Park 132kV Substation | SPT | 1 | 253.28 | 0 |
| Braybrooke 400kV Substation | NGET | 1 | 252 | 0 |
| Caple Rig 132kV Substation | SPT | 1 | 250 | 0 |
| Craigneuk 250MW BESS 275kV Substation | SPT | 1 | 250 | 0 |
| Greenock Road 275kV Substation | SPT | 1 | 250 | 0 |
| Sanquhar II Wind Farm Substation | SPT | 1 | 250 | 0 |
| Staffordshire Connection Node B 132kV Substation | NGET | 2 | 250 | 0 |
| TH Renfrwshire 275kV Substation | SPT | 1 | 250 | 0 |
| Berkswell B 275kV Substation | NGET | 1 | 249.9 | 0 |
| Dunan Hill 400kV substation | SHET | 1 | 249.9 | 0 |
| Kellingley 400kV Substation | NGET | 1 | 249.9 | 0 |
| PELHAM 2 400KV SUBSTATION | NGET | 1 | 249.9 | 0 |
| PENINSULA ENERGY PARK 220kV SUBSTATION | SHET | 1 | 249.9 | 0 |
| Raventhorpe 400kV Substation | NGET | 1 | 249.9 | 0 |
| Thornton B 400kV Substation | NGET | 1 | 249.9 | 0 |
| Waltham Cross B 400kV Substation | NGET | 1 | 249.9 | 0 |
| Watchman 132kV Substation | SPT | 1 | 249.9 | 0 |
| Lapwing Fen II (Walpole) IDNO Substation | NGET | 1 | 249.6 | 0 |
| Ecomossmorran 400kV Substation | SPT | 1 | 249 | 0 |
| Exeter Main 400kV Substation | NGET | 1 | 249 | 0 |
| Grain West 400kV Substation | NGET | 1 | 249 | 0 |
| Hutton 400kV Substation | NGET | 3 | 249 | 165 |
| Severn Connection Node B 400kV Substation | NGET | 1 | 249 | 0 |
| South Wales East Connection Node B 400kV | NGET | 1 | 249 | 0 |
| Stocksbridge 400kV Substation | NGET | 1 | 249 | 0 |
| Stracathro BESS 275kV Substation | SHET | 1 | 249 | 0 |
| Wearside Connection Node C 400kV Substation | NGET | 1 | 249 | 0 |
| Whitehouse 275kV Substation | SHET | 1 | 249 | 0 |
| Dumfries North 400/132kV substation | Mixed | 2 | 243.2 | 0 |
| Aberthaw B 275/132kV Substation | NGET | 1 | 240 | 0 |
| BEARSDEN BESS 275KV SUBSTATION | SPT | 1 | 240 | 0 |
| Chessington 132kV | NGET | 1 | 240 | 0 |
| ERBYSHIRE CONNECTION NODE E 132kV SUBSTATION | NGET | 1 | 240 | 0 |
| HIGH BARDRAIN WOOD & MOOR 132KV SUBSTATION | SPT | 1 | 240 | 0 |
| North Humber Connection Node C 132kV Substation | NGET | 2 | 240 | 0 |
| North Kent Connection Node B 132kV Substation | NGET | 1 | 240 | 0 |
| Ocker Hill 275kV Substation | NGET | 2 | 240 | 57 |
| Saltend North GSP | NGET | 1 | 240 | 0 |
| SHAWFAIR 400KV SUBSTATION | SPT | 1 | 240 | 0 |
| Gwyddelwern 400kV Substation | NGET | 3 | 233.2 | 0 |
| Bendle Farm 132kV Substation | SPT | 1 | 228 | 0 |
| BENDLE FARM 2.0 132KV SUBSTATION | SPT | 1 | 228 | 0 |
| BORDERS SOLAR 132/33KV SUBSTATION | SPT | 1 | 228 | 0 |
| Hurst 275kV Substation | NGET | 1 | 228 | 0 |
| Mid Hill 132kV Substation | SPT | 1 | 228 | 0 |
| Rochdale 132kV Substation | NGET | 3 | 227 | 21 |
| Imperial Park 400kV Substation | NGET | 1 | 225 | 0 |
| Garvary 132kV Substation | SHET | 1 | 222 | 0 |
| Rhigos B 400kV Substation | NGET | 1 | 221 | 0 |
| Cnoc Buidhe 132kV/33kV Substation | SHET | 1 | 220 | 0 |
| Iron Acton 132kV Substation | NGET | 2 | 220 | 0 |
| L48 BESS Dams of Craigie | SHET | 1 | 220 | 0 |
| New Connagill 275/132kV Substation | SHET | 2 | 220 | 0 |
| Rivox 132/33kV | SPT | 1 | 220 | 0 |
| Whiteminhill 275/33kV Substation | SPT | 1 | 220 | 0 |
| Bishops Wood 132kV Substation | NGET | 2 | 219.9 | 0 |
| Lethans Collector 132kV Substation | SPT | 2 | 217 | 0 |
| Clash Gour Wind Farm 132kV Substation | SHET | 1 | 210 | 0 |
| Craig Murrail GSP | SHET | 4 | 210 | 0 |
| Devonside 132/33kV | SPT | 4 | 209.5 | 0 |
| Strathy South 132/33kV Substation | SHET | 1 | 207.6 | 0 |
| Auldhouse 400kV Substation | SPT | 1 | 200 | 0 |
| Ayrshire Grid 400kV Substation | SPT | 1 | 200 | 0 |
| Blairgowrie BESS 132kV Substation | SHET | 1 | 200 | 0 |
| Casewick 400kV Substation | NGET | 1 | 200 | 0 |
| Cloiche 132/33kV Substation | SHET | 1 | 200 | 0 |
| Coalburn North 400kV Substation | SPT | 1 | 200 | 0 |
| Dalchork 132kV Substation | SHET | 1 | 200 | 0 |
| Easterhouse 275kV | SPT | 1 | 200 | 0 |
| Er Msm Energy 132kV Substation | SPT | 1 | 200 | 0 |
| FIELD GLENNISTON BESS 132KV SUBSTATION | SPT | 1 | 200 | 0 |
| Folly Farm 132kV Substation | NGET | 1 | 200 | 0 |
| Fort Augustus 400kV | SHET | 2 | 200 | 99.9 |
| Garscadden Park 275kV Substation | SPT | 1 | 200 | 0 |
| GARTCLASH COLLECTOR 275KV SUBSTATION | SPT | 1 | 200 | 0 |
| Gorstage 400kV Substation | NGET | 1 | 200 | 0 |
| Hedon 275kV Substation | NGET | 1 | 200 | 0 |
| L48 BESS GLEN APP 275/132KV SUBSTATION | SPT | 1 | 200 | 0 |
| Laleham GSP (SEPD) | NGET | 1 | 200 | 0 |
| Leeds North Connection Node A 400kV Substation | NGET | 1 | 200 | 0 |
| Leeds North Connection Node G | NGET | 1 | 200 | 0 |
| Leeds South Connection Node B 132kV Substation | NGET | 1 | 200 | 0 |
| Leslie 200MW BESS 275kV Substation | SPT | 1 | 200 | 0 |
| LOCH GELLY COLLECTOR 132KV SUBSTATION | SPT | 1 | 200 | 0 |
| London West Connection Node B 400kV Substation | NGET | 1 | 200 | 0 |
| Marchwood 400kV Substation | NGET | 2 | 200 | 920 |
| Milligansbush Battery Storage 132kV Substation | SPT | 1 | 200 | 0 |
| New Spittal 275kV Substation | SHET | 1 | 200 | 0 |
| North Humber Connection Node B 132kV Substation | NGET | 1 | 200 | 0 |
| North Lanrigg Substation | SPT | 1 | 200 | 0 |
| Osbaldwick (North Humber Connection Node E) 132kv Substation | NGET | 1 | 200 | 0 |
| Peterhead 2 400kV Busbar Extension | SHET | 1 | 200 | 0 |
| Pond Flexible Energy Park 132kV Substation | SPT | 1 | 200 | 0 |
| Roger Hill Farm 132kV substation | SPT | 1 | 200 | 0 |
| Saltholme 275kV Substation | NGET | 1 | 200 | 0 |
| Slough East 132kV Substation | NGET | 1 | 200 | 0 |
| St Fergus | SHET | 2 | 200 | 0 |
| Staffordshire Connection Node C 400Kv Substation | NGET | 1 | 200 | 0 |
| Strathleven GSP | SPT | 1 | 200 | 0 |
| Tolkien Farm 132kV Substation | SHET | 1 | 200 | 0 |
| Upper Boat 275kV Substation | NGET | 1 | 200 | 0 |
| Waltham Cross 400kV Substation | NGET | 1 | 200 | 0 |
| Warwickshire Connection Node D 132kV Substation | NGET | 1 | 200 | 0 |
| Wearside Connection Node B2 400kV substation | NGET | 1 | 200 | 0 |
| West Saval Substation 132 kV | SHET | 1 | 200 | 0 |
| Womblehill BESS Farm 132kV | SHET | 1 | 200 | 0 |
| London West Connection Node A 400kV Substation | NGET | 1 | 199.92 | 0 |
| Fleet 400kV Substation | NGET | 5 | 199.5 | 20 |
| Arresgill 132kV Substation | SPT | 2 | 199 | 0 |
| Dalmarnock Storage BESS 132kV Substation | SPT | 2 | 192 | 0 |
| Inveroykel Wind Farm 132kV | SHET | 1 | 191.4 | 0 |
| Kilwinning 132/33kV | SPT | 3 | 190 | 0 |
| Muaitheabhal 132/33kV Substation | SHET | 1 | 189 | 0 |
| Aberarder Extension Wind Farm 132/33kV Substation | SHET | 2 | 187.99 | 0 |
| Clune 132/33 kV Substation | SHET | 1 | 187.2 | 0 |
| SEABANK 400/33kV SUBSTATION | NGET | 3 | 184.9 | 1,234 |
| Arnish 275kV Substation | SHET | 1 | 180 | 0 |
| M74 West Wind Farm 132kV | SPT | 1 | 180 | 0 |
| Sundhope 132kV Substation | SPT | 1 | 180 | 0 |
| Philipaugh Substation | SPT | 1 | 175 | 0 |
| Creag Dhubh Wind Farm and BESS 132kV Substation | SHET | 1 | 171 | 0 |
| NEW LIMEKILN 132 KV SUBSTATION | SHET | 1 | 171 | 0 |
| Elchies 132/33kV Substation | SHET | 1 | 170 | 0 |
| Letchmore Heath 132kV Substation | NGET | 1 | 170 | 0 |
| Mybster 3 132/33kV Substation | SHET | 5 | 169.8 | 55.15 |
| Highland Wind Farm 132/33kV substation | SHET | 1 | 168 | 0 |
| Glendye Wind Farm Substation | SHET | 1 | 166.8 | 0 |
| Bowsheils 132kV Substation | SPT | 1 | 166.61 | 0 |
| DEUCHERAN HILL 2 132KV SUBSTATION | SHET | 1 | 165 | 0 |
| Future Swansea North 132kV | NGET | 1 | 165 | 0 |
| Glen Lednock 132kV Substation | SHET | 1 | 165 | 0 |
| FORT AUGUSTUS 2 400/33kV GRID SUPPLY POINT SUBSTATION | SHET | 2 | 164.9 | 0 |
| Shin 1 GSP | SHET | 3 | 164 | 0 |
| Balinoe 132kV substation | SHET | 1 | 160.6 | 0 |
| Berryburn 275/33kV GSP Substation | SHET | 3 | 160.3 | 0 |
| East Kilbride B 275/33kV Substation | SPT | 3 | 160 | 0 |
| NEW CARRADALE 132KV SUBSTATION | SHET | 1 | 160 | 0 |
| Craigdarroch Hybrid Wind & BESS 132kV Substation | SPT | 1 | 159.2 | 0 |
| New Dalchork 132kV Substation | SHET | 1 | 158.4 | 0 |
| LONGCROFT ENERGY PARK 132KV SUBSTATION | SPT | 1 | 156 | 0 |
| Coupar Angus 132/33kV GSP | SHET | 5 | 155.89 | 17.5 |
| Margam 275kV Substation | NGET | 1 | 151.2 | 0 |
| NLEI Windfarm 132/33kV substation | SPT | 1 | 151.2 | 0 |
| BISHOPS DAL ENERGY PARK 132kV SUBSTATION | SPT | 1 | 150 | 0 |
| Busby 275kV | SPT | 1 | 150 | 0 |
| Currie 275/132kV | SPT | 1 | 150 | 0 |
| DRUM OF CLUNAS WIND 275KV SUBSTATION | SHET | 1 | 150 | 0 |
| Elton (Merseyside 132kV Substation) | NGET | 1 | 150 | 0 |
| GALILEO 07 LIMITED 132KV SUBSTATION | SHET | 1 | 150 | 0 |
| Glennifer Road BESS 132kV substation | SPT | 1 | 150 | 0 |
| GLENTAGGART 150MW BESS 132kV SUBSTATION | SPT | 1 | 150 | 0 |
| Halbeath 132kV Substation | SPT | 1 | 150 | 0 |
| Keith Solar Farm 275kV Substation | SHET | 1 | 150 | 0 |
| Killoch BESS 132kV Substation | SPT | 1 | 150 | 0 |
| Mid Wales West 132kV Substation | NGET | 1 | 150 | 0 |
| Nant Y Maen 132KV Substation | NGET | 1 | 150 | 0 |
| Stalybridge 275kV Substation | NGET | 1 | 150 | 0 |
| Torfichen Energy Park 132kV Substation | SPT | 1 | 150 | 0 |
| Torness 400/132kV | SPT | 2 | 150 | 1,250 |
| DEWLEY HILL EHV | NGET | 1 | 149.9 | 0 |
| Fallago 400/33kV | SPT | 3 | 149.5 | 144 |
| Achrugan 132kV Substation | SHET | 1 | 149 | 0 |
| Cairnford GSP | SHET | 3 | 145.8 | 0 |
| Clashindarroch Windfarm Extension 132kV Substation | SHET | 1 | 145.2 | 0 |
| Quantans Hill 132kV Substation | SPT | 2 | 145 | 0 |
| SPT Margree collector substation | SPT | 3 | 145 | 0 |
| FARR WIND FARM 132/33KV SUBSTATION | SHET | 1 | 144.8 | 0 |
| Beinneun Windfarm 2 | SHET | 1 | 144 | 0 |
| Mannington 400kV Substation | NGET | 3 | 142.5 | 0 |
| Hopsrig Collector 132/33kV Substation | SPT | 4 | 136 | 0 |
| Arbroath GSP | SHET | 3 | 134.9 | 0 |
| Lairg GSP | SHET | 3 | 134.7 | 0 |
| Keith 2 132/33kV GSP Substation | SHET | 3 | 132.1 | 0 |
| Ratcliffe GSP | NGET | 3 | 130 | 41.76 |
| Saltcoats 132/33kV | SPT | 2 | 130 | 0 |
| Fiddes GSP | SHET | 5 | 129.9 | 32.5 |
| East Claydon GSP (NGED EM) | NGET | 1 | 129.8 | 0 |
| Beauly 132/33 kV GSP Substation | SHET | 3 | 126.9 | 92 |
| Bloch Energy Park 132kV Substation | SPT | 1 | 126 | 0 |
| Galileo 16 132kV Substation | SPT | 1 | 125 | 0 |
| CARRADALE 3 132/33KV GRID SUPPLY POINT SUBSTATION | SHET | 2 | 124.8 | 0 |
| Energy Isles 132kV Substation | SHET | 1 | 120.3 | 0 |
| Highland BESS 132kV Substation | SHET | 1 | 120 | 0 |
| Hirwaun GSP | NGET | 1 | 120 | 0 |
| Kegworth B (Derbyshire Connection Node C) 132kV Substation | NGET | 1 | 120 | 0 |
| Knockodhar Wind Farm 132kV Substation | SPT | 1 | 120 | 0 |
| Solent Connection Node B 132kV Substation | NGET | 1 | 120 | 0 |
| Newlands Hill 132/33kV | SPT | 1 | 119 | 0 |
| Hare Hill Repowering 132/33kV Substation | SPT | 1 | 114 | 0 |
| LESSNESSOCK ENERGY PARK 132KV SUBSTATION | SPT | 1 | 114 | 0 |
| Lethen Wind Farm 132/33kV Substation | SHET | 1 | 114 | 0 |
| Leuchland Farm IDNO | SHET | 2 | 114 | 0 |
| Lister Drive 275kV Substation | NGET | 4 | 114 | 20 |
| Slickly Wind Farm 132kV Substation | SHET | 1 | 114 | 0 |
| West Weybridge 275kV Substation | NGET | 2 | 114 | 0 |
| Coille Linne 132kV Substation | SHET | 1 | 113 | 0 |
| Coalburn 400/132kV | SPT | 4 | 112 | 633.4 |
| Euchanhead 132kV Substation | SPT | 1 | 112 | 0 |
| BRORA 132/33KV GRID SUPPLY POINT SUBSTATION | SHET | 2 | 110 | 0 |
| Dun Hill 132/33kV | SPT | 3 | 109.5 | 61.5 |
| Clauchrie 132/33KV Substation | SPT | 1 | 108 | 0 |
| REDSHAW 132kV B BOARD SUBSTATION | SPT | 1 | 108 | 0 |
| ACHANY EXTENSION WIND FARM 132/33KV Substation | SHET | 1 | 105 | 0 |
| An Suidhe 275/33kV | SHET | 1 | 105 | 0 |
| Aultmore Wind Farm 132/33kV Substation | SHET | 1 | 105 | 0 |
| Earraghail 275/33KV Substation | SHET | 1 | 105 | 0 |
| Kinmuck BESS 132kV Substation | SHET | 1 | 105 | 0 |
| Ourack Wind Farm 132/33 kV Substation | SHET | 1 | 105 | 0 |
| GLENTARKEN WIND FARM 132/33KV SUBSTATION | SHET | 1 | 104 | 0 |
| Lorg Extension Wind Farm 132/33kV Substation | SPT | 2 | 102.5 | 0 |
| Beaw Field 132/33kV Substation | SHET | 1 | 102 | 0 |
| Stranoch Wind 132/33kV Substation | SPT | 1 | 102 | 0 |
| Bhlaraidh 132/33kV Substation | SHET | 2 | 100.8 | 108 |
| DUNACH WIND 132KV SUBSTATION | SHET | 1 | 100.8 | 0 |
| Orrin GSP | SHET | 2 | 100.8 | 18 |
| Abham GSP | NGET | 3 | 100 | 42.88 |
| Andrew BESS 132kV Substation | SPT | 1 | 100 | 0 |
| Bargatton Farm BESS 132kV Substation | SPT | 1 | 100 | 0 |
| BEAULY 02 BESS 132kV SUBSTATION | SHET | 1 | 100 | 0 |
| Berwick 132/33kV | SPT | 1 | 100 | 0 |
| Braidfield Battery Storage 132kV Substation | SPT | 1 | 100 | 0 |
| Cott's Farm 132kV Substation | SHET | 1 | 100 | 0 |
| ECOKILWINNING 132KV SUBSTATION | SPT | 1 | 100 | 0 |
| Fife Energy Centre 132kV substation | SPT | 1 | 100 | 0 |
| Garlogie Production A 275/33kV GSP | SHET | 2 | 100 | 0 |
| Garlogie Production B 275/33kV GSP | SHET | 2 | 100 | 0 |
| Garlogie Production C 275/33kV GSP | SHET | 2 | 100 | 0 |
| Kirkcaldy BESS 132kV Substation | SPT | 1 | 100 | 0 |
| Lairdmannoch Energy Park 132kV substation | SPT | 1 | 100 | 0 |
| Learlielaw Energy Storage 132kV Substation | SPT | 1 | 100 | 0 |
| Mossmorran Storage BESS 132KV Substation | SPT | 1 | 100 | 0 |
| Pentland Floating Offshore Wind Farm 132/66kV substation | SHET | 1 | 100 | 0 |
| Solent Connection Node A 132kV Substation | NGET | 1 | 100 | 0 |
| Taunton 400kV Substation | NGET | 2 | 100 | 10 |
| Warwickshire Connection Node B 132kV Substation | NGET | 1 | 100 | 0 |
| Barking West GSP | NGET | 1 | 99.9 | 0 |
| Braehead Park 132/33kV | SPT | 2 | 99.9 | 0 |
| Didcot 132kV GIS Substation | NGET | 1 | 99.9 | 0 |
| Elland 132kV Substation | NGET | 1 | 99.9 | 0 |
| FORSA ENERGY DENNY BESS 132KV GRID SUPPLY POINT SUBSTATION | SPT | 1 | 99.9 | 0 |
| Muckraw IDNO GSP | SPT | 1 | 99.9 | 0 |
| Shaftesbury 132kV Substation | NGET | 1 | 99.9 | 0 |
| Breakish 132kV Substation | SHET | 1 | 99.8 | 0 |
| Ocker Hill C 132kV GSP | NGET | 1 | 99.4 | 0 |
| BLAIR HILL WIND FARM 132KV SUBSTATION | SPT | 1 | 99 | 0 |
| Braeside IDNO 132/33kV substation | SPT | 1 | 99 | 0 |
| Car Duibh 275kV Substation | SHET | 1 | 99 | 0 |
| KXP Alpha 3 Ayr BESS 275kV Substation | SPT | 1 | 99 | 0 |
| Loch Liath 132/33kV Substation | SHET | 1 | 99 | 0 |
| Mid Moile Wind Farm 275/132kV Substatio | SPT | 1 | 99 | 0 |
| BALLYGROGGAN 132/33KV SUBSTATION | SHET | 1 | 96 | 0 |
| Chleansaid Wind Farm 132kV Substation | SHET | 1 | 96 | 0 |
| Daer Wind Farm 132/33kV | SPT | 1 | 96 | 0 |
| Tangy IV 132KV Substation | SHET | 1 | 96 | 0 |
| Glenvernoch 132kV | SPT | 1 | 95.8 | 0 |
| 17 ACRES BESS 275KV SUBSTATION | SHET | 1 | 95.76 | 0 |
| Dunbar 132/33kV | SPT | 1 | 95.76 | 0 |
| Beinn an Tuirc Substation | SHET | 1 | 95.2 | 0 |
| Braegrundie Farm 132kV Substation | SHET | 1 | 95 | 0 |
| Alness 2 275/33 kV GSP Substation | SHET | 2 | 94.9 | 0 |
| POLLIE HILL WIND FARM 132KV SUBSTATION | SHET | 1 | 92.4 | 0 |
| South Kyle 2 132/33kV Substation | SPT | 1 | 92.4 | 0 |
| Strichen 132/33kV GSP Substation | SHET | 2 | 92.1 | 0 |
| Inverkeithing 132/33kV | SPT | 2 | 91.9 | 0 |
| Chirmorie Wind Farm substation | SPT | 1 | 91 | 0 |
| Tomatin 132kV Substation Extension | SHET | 1 | 91 | 0 |
| Breackerie 132kV Substation | SHET | 1 | 90.8 | 0 |
| Rowan 275/33kV Substation | SHET | 1 | 90.8 | 0 |
| Bonnybridge 132/33kV | SPT | 2 | 90 | 0 |
| Dumfries 132/33kV | SPT | 3 | 90 | 30 |
| Fairburn Extension 132/33kV Substation | SHET | 1 | 90 | 0 |
| Greenburn Mixed Technology 132kV Substation | SPT | 1 | 90 | 0 |
| Kellas Wind Farm 132kV Substation | SHET | 1 | 90 | 0 |
| Laleham 132kV Substation | NGET | 1 | 90 | 0 |
| Seat Hill 132kV Substation | SPT | 1 | 90 | 0 |
| Woodcock Hill WF Substation | SHET | 1 | 90 | 0 |
| Pitsmoor GSP | NGET | 2 | 89.5 | 0 |
| Whitelee Extension 275/33kV | SPT | 3 | 89 | 238 |
| Elderslie 132/33kV | SPT | 2 | 88.6 | 0 |
| Mybster 2 132/33kV Substation | SHET | 2 | 85.9 | 0 |
| Artfield Forest Wind Farm 132kV Substation | SPT | 1 | 85.8 | 0 |
| Ceislien Wind Farm | SHET | 1 | 85.8 | 0 |
| West Andershaw 132kV Substation | SPT | 1 | 85.8 | 0 |
| Carn Fearna Wind Farm 132/33kV Substation | SHET | 1 | 85 | 0 |
| Shepards Rig 132/33kV | SPT | 1 | 84.6 | 0 |
| Acheilidh Wind farm 132kV Substation | SHET | 1 | 84.2 | 0 |
| BEINN THURSUNN REPOWER 275/33KV | SHET | 1 | 84 | 0 |
| Carrick Wind Farm Substation | SPT | 1 | 84 | 0 |
| Hagshaw Repowering Phase 3 132kV | SPT | 1 | 84 | 0 |
| Lynemore Windfarm 132kV Substation | SHET | 1 | 84 | 0 |
| Minnygryle Burn Energy Park 132kV substation | SPT | 1 | 84 | 0 |
| Sheirdrim 132kV Substation | SHET | 1 | 84 | 0 |
| South Humber Bank 400kV Substation | NGET | 2 | 83 | 1,400 |
| Corriemoillie 2 400/132kV Substation | SHET | 1 | 81.6 | 0 |
| Caorach 132 KV Substation | SHET | 1 | 81 | 0 |
| Harestanes West Wind Farm 132/33kV | SPT | 2 | 81 | 0 |
| Airds Hill WindFarm 132kV Substation | SPT | 1 | 80 | 0 |
| Glenmuir Windfarm 132kV Substation | SPT | 1 | 80 | 0 |
| Heathland 132/33kV Substation | SPT | 1 | 80 | 0 |
| New Cumnock A 132kV | SPT | 1 | 80 | 0 |
| New Cumnock North 132kV Substation | SPT | 1 | 80 | 0 |
| Tealing IDNO 132/33kV GSP | SHET | 1 | 80 | 0 |
| Alness GSP | SHET | 4 | 79.2 | 59 |
| Creachan Wind Farm 132/33kV Substation | SHET | 1 | 79.2 | 0 |
| Grimshader Wind Farm Substation132 KV | SHET | 1 | 79.2 | 0 |
| Kilbraur Wind Farm Substation | SHET | 2 | 79.2 | 67 |
| Olivers Forest Wind Farm 132kV Substation | SPT | 1 | 79.2 | 0 |
| Oykel Wind Farm 132kV Substation | SHET | 1 | 79.2 | 0 |
| Bankend Rig III 132kV Collector Substation | SPT | 1 | 78 | 0 |
| Stella South GSP | NGET | 1 | 78 | 0 |
| CRAIGHEAD WIND FARM 132kV SUBSTATION | SPT | 1 | 77 | 0 |
| Abhainn Dubh Wind Farm 132kV Substation | SHET | 1 | 75 | 0 |
| Braco West GSP | SHET | 2 | 75 | 74 |
| CHALMERSTON WINDFARM 132kV SUBSTATION | SPT | 1 | 75 | 0 |
| ELVANFOOT ENERGY STORAGE 132/33KV COLLECTOR SUBSTATION | SPT | 2 | 75 | 0 |
| Stornoway GSP | SHET | 2 | 74.7 | 0 |
| Tomchrasky Wind Farm 132kV Substation | SHET | 1 | 74.4 | 0 |
| Arecleoch 132/33kV | SPT | 2 | 72.8 | 0 |
| Carradale 1 GSP | SHET | 4 | 72.6 | 128.7 |
| CRAIG WATCH WIND FARM 132KV SUBSTATION | SHET | 1 | 72.6 | 0 |
| Galashiels 132/33kV | SPT | 1 | 72.6 | 0 |
| Newton Stewart 132/33kV | SPT | 2 | 72.6 | 35 |
| Vale of Leven 132kV substation | SPT | 1 | 72 | 0 |
| Corriegarth 132/33kV substation | SHET | 2 | 70 | 69 |
| TINNISBURN WIND FARM 132KV SUBSTATION | SPT | 1 | 70 | 0 |
| Tynemouth 275kV Substation | NGET | 1 | 70 | 0 |
| Charleston GSP 132/33kV | SHET | 2 | 69.5 | 0 |
| Correen Hills Wind Farm 132kV Substation | SHET | 1 | 68.4 | 0 |
| Creag Dhubh 275/132/33kV | SHET | 1 | 68 | 0 |
| Margree 132/33kV Collector Substation | SPT | 1 | 68 | 0 |
| Milton of Craigie GSP | SHET | 2 | 67.9 | 0 |
| Blarghour Substation | SHET | 1 | 67.2 | 0 |
| Cloich 132kV Substation | SPT | 1 | 67.2 | 0 |
| Appin Wind Farm 132kV Substation | SPT | 1 | 66 | 0 |
| Heastabhal Wind Farm Substation 132 KV | SHET | 1 | 66 | 0 |
| Holm Hill 132kV Substation | SPT | 1 | 66 | 0 |
| Wether Hill 132/33KV Substation | SPT | 1 | 66 | 0 |
| Dyce 132/33kV GSP | SHET | 2 | 65.62 | 0 |
| Strathy Wood 132/33kV Substation | SHET | 1 | 63.5 | 0 |
| Divot Hill 132/33 kV Substation | SPT | 1 | 63 | 0 |
| Partrick GSP | SPT | 1 | 63 | 0 |
| Coatbridge GSP | SPT | 1 | 60 | 0 |
| Drumchapel 275/33kV | SPT | 1 | 60 | 0 |
| Dunfermline 132/33kV | SPT | 1 | 60 | 0 |
| Finnieston GSP | SPT | 1 | 60 | 0 |
| Glenglass 132/33kV | SPT | 3 | 60 | 64.8 |
| Jonhstone 132/33kV Substation | SPT | 1 | 60 | 0 |
| Kilmarnock Town 275/33kV Substation | SPT | 1 | 60 | 0 |
| Paisley GSP | SPT | 1 | 60 | 0 |
| Penninghame Substation | SPT | 1 | 60 | 0 |
| Scaw Law 132kV substation | SPT | 1 | 60 | 0 |
| Stirling 132/33kV | SPT | 1 | 60 | 0 |
| Knockcronal Wind Farm 33kV Substation | SPT | 1 | 59.4 | 0 |
| Balnespick Wind Farm 132kV/33kV Substation | SHET | 1 | 58 | 0 |
| Melvich Community Wind Farm 132/33kV Substation | SHET | 1 | 57.6 | 0 |
| Taynuilt GSP | SHET | 1 | 57.6 | 0 |
| Bridgewater 400kV Substation | NGET | 1 | 57 | 0 |
| Burwell Main 400kV Substation | NGET | 2 | 57 | 50 |
| Canterbury North 400kV Substation | NGET | 1 | 57 | 0 |
| Landulph GSP | NGET | 3 | 57 | 40.6 |
| Mill Hill 275kV Substation | NGET | 1 | 57 | 0 |
| Oldbury 275kV Substation | NGET | 1 | 57 | 0 |
| Whitelaw Brae 'A' and 'B' 33kV Substations | SPT | 1 | 57 | 0 |
| Manquhill Wind Farm 132/33kV Substation | SPT | 1 | 56 | 0 |
| Drinkstone Hybrid 132/33kV substation | SPT | 1 | 55 | 0 |
| Scatsta 132kV Substation | SHET | 2 | 54.9 | 0 |
| Sclenteuch Energy Park 132kV | SPT | 1 | 54 | 0 |
| Dunlaw Extension 132/33kV | SPT | 2 | 53 | 156 |
| Kaimes GSP | SPT | 1 | 51 | 0 |
| Blackbraes IDNO GSP | SPT | 1 | 50 | 0 |
| Carradale 2 132/33kV GSP Substation | SHET | 1 | 50 | 0 |
| Er Bbr Energy 132kV Substation | SPT | 1 | 50 | 0 |
| High Constellation 132/33kV Substation | SHET | 1 | 50 | 0 |
| LEARNEY BESS 132KV | SHET | 1 | 50 | 0 |
| MacDuff 132/33kV GSP Substation | SHET | 1 | 50 | 0 |
| Nairn 132/33kV Grid Supply Point Substation | SHET | 1 | 50 | 0 |
| New Abernethy 132kV | SHET | 1 | 50 | 0 |
| Overhill 132kV Substation | SPT | 1 | 50 | 0 |
| Persley 132/33kV GSP Substation | SHET | 1 | 50 | 0 |
| Peterhead Grange GSP | SHET | 2 | 50 | 30 |
| Arbroath 2 132/33kV GSP Substation | SHET | 1 | 49.9 | 0 |
| Bridge of Dun GSP | SHET | 2 | 49.9 | 17 |
| Carntyne (SPD) GSP | SPT | 1 | 49.9 | 0 |
| Chesterfield GSP | NGET | 1 | 49.9 | 0 |
| Coupar Angus 2 GSP | SHET | 1 | 49.9 | 0 |
| Govan 132/33kV | SPT | 1 | 49.9 | 0 |
| Grudie Bridge GSP | SHET | 1 | 49.9 | 0 |
| ICHRACHAN 132/33KV GRID SUPPLY POINT SUBSTATION | SHET | 1 | 49.9 | 0 |
| Iver 275kV Substation | NGET | 1 | 49.9 | 0 |
| LAND AT LEITHOLM 132KV SUBSTATION | SPT | 1 | 49.9 | 0 |
| Langbank 132kV Substation | SPT | 1 | 49.9 | 0 |
| Little Horsted GSP | NGET | 1 | 49.9 | 0 |
| Lunanhead 2 GSP | SHET | 1 | 49.9 | 0 |
| Lyndhurst 132/33kV | SHET | 1 | 49.9 | 0 |
| Northfleet East 132kV | NGET | 2 | 49.9 | 11.58 |
| Rothienorman 2 400/33kV GSP | SHET | 1 | 49.9 | 0 |
| Tynemouth GSP (NPG) | NGET | 1 | 49.9 | 0 |
| Dell 132kV Substation | SHET | 1 | 49.8 | 0 |
| Cassley GSP | SHET | 1 | 49.5 | 0 |
| Hollandmey Renewable Energy Development132/33kV Substation | SHET | 1 | 49.5 | 0 |
| Norwich GSP | NGET | 1 | 49.5 | 0 |
| Ochill 132kV Substation | SPT | 1 | 49.5 | 0 |
| Baillie 275KV Substation | SHET | 1 | 48 | 0 |
| Mossy Hill 132kV Substation | SHET | 1 | 48 | 0 |
| Hare Craig 33kV Substation | SPT | 1 | 46.2 | 0 |
| Glenrothes GSP | SPT | 3 | 46 | 104.99 |
| Callisterhall 132kV | SPT | 1 | 45.5 | 0 |
| INVERNESS 132/33KV GRID SUPPLY POINT SUBSTATION | SHET | 2 | 45 | 60 |
| Port Ham 132kV Substation | NGET | 2 | 45 | 41.76 |
| New Dunoon 132/33kV GSP Substation | SHET | 1 | 44 | 0 |
| Chickerell-Mannington 400kV Substation | NGET | 1 | 43.2 | 0 |
| Bainsford 132/33kV | SPT | 1 | 43 | 0 |
| Killermont GSP | SPT | 1 | 43 | 0 |
| Killin GSP | SHET | 3 | 43 | 4 |
| Benbrack Wind Farm 132/33kV Substation | SPT | 2 | 42 | 72 |
| GH DEVCO KINCARDINE BESS 132kV SUBSTATION | SPT | 1 | 42 | 0 |
| Glentaggart WF 33kV Substation | SPT | 1 | 42 | 0 |
| DALMARNOCK 132/33KV SUBSTATION | SPT | 1 | 40 | 0 |
| Giffnock 275/33kV | SPT | 1 | 40 | 0 |
| Haggs Road GSP | SPT | 1 | 40 | 0 |
| ROWANCRAIG WIND FARM 33KV SUBSTATION | SPT | 1 | 40 | 0 |
| West Melton GSP | NGET | 1 | 40 | 0 |
| Helensburgh 132/33kV | SPT | 1 | 39.9 | 0 |
| Edinbane 132/33kV Substation | SHET | 2 | 39.6 | 0 |
| Mybster 4 132/33kV GSP Substation | SHET | 1 | 39.6 | 0 |
| Keith 1 132/33kV GSP Substation | SHET | 1 | 39 | 0 |
| Clachan 2 132/33kV GSP Substation | SHET | 1 | 38.34 | 0 |
| Dorenell BESS 132KV substation | SHET | 1 | 37.5 | 0 |
| Loch Luichart Extension II Substation | SHET | 1 | 36 | 0 |
| Tongland 132/11kV | SPT | 1 | 36 | 0 |
| Lunanhead GSP | SHET | 1 | 34.38 | 0 |
| Hawkwood Windfarm 33kV Substation | SPT | 1 | 34 | 0 |
| Elgin GSP | SHET | 1 | 30 | 0 |
| Dunvegan 132/33kV Grid Supply Point Substation | SHET | 1 | 25 | 0 |
| Finstown (Orkney) GSP | SHET | 1 | 20.4 | 0 |
| Abernethy 2 GSP | SHET | 1 | 20 | 0 |
| Linnmill 132/33kV | SPT | 3 | 20 | 71 |
| Rannoch GSP | SHET | 1 | 20 | 0 |
| St Fergus Mobil 132/11kV Substation | SHET | 1 | 20 | 0 |
| Tarland GSP | SHET | 1 | 20 | 0 |
| Redmoss GSP | SHET | 2 | 19.8 | 49.6 |
| Finstown GSP | SHET | 1 | 16.32 | 0 |
| Dersalloch 132/33kV | SPT | 2 | 11 | 69 |
| Enoch Hill 2 Wind Farm 33kV Substation | SPT | 1 | 10 | 0 |
| Whitelaw Brae BESS 33kV substation | SPT | 1 | 1 | 0 |
| 132kV bay at Iron Acton Substation | NGET | 1 | 0 | 0 |
| A'Chruach Wind Farm 275kV Substation | SHET | 1 | 0 | 43 |
| Aberdeen Bay 132kV Substation | SHET | 1 | 0 | 95.5 |
| Abernethy GSP | SHET | 2 | 0 | 49 |
| Aigas Hydro 132kV Substation | SHET | 1 | 0 | 20 |
| Ardkinglas GSP | SHET | 1 | 0 | 19.25 |
| Ayrshire Grid 400kV Collector Substation | SPT | 1 | 0 | 0 |
| Barrow 132/33kV Offshore Substation | OFTO | 1 | 0 | 90 |
| Beatrice 400kV Substation | SHET | 2 | 0 | 588 |
| Beech Street/City Road Substation | NGET | 1 | 0 | 30 |
| Beinneun 132kV Substation | SHET | 1 | 0 | 109 |
| Berry Burn GSP | SHET | 2 | 0 | 94.6 |
| Birkenhead 275kV Substation | NGET | 1 | 0 | 90 |
| Bispham Primary 33kV Substation | NGET | 1 | 0 | 25.3 |
| Blackcraig 132/33kV | SPT | 1 | 0 | 52.9 |
| Blackhill 132/33kV | SPT | 2 | 0 | 92.8 |
| Blacklaw 132/33kV | SPT | 2 | 0 | 60 |
| Bredbury 275kV Substation | NGET | 1 | 0 | 49.9 |
| Brimsdown 132kV Substation | NGET | 1 | 0 | 442 |
| Broken Cross 132/33kV | SPT | 1 | 0 | 48 |
| Broxburn 132/33kV | SPT | 1 | 0 | 50 |
| BURBO BANK EXTENSION OFFSHORE Substation | NGET | 1 | 0 | 258 |
| Bustleholm 132kV Substation | NGET | 2 | 0 | 98 |
| Camblesforth 66kV Substation | NGET | 1 | 0 | 32 |
| Carraig Gheal 132/33kV Substation | SHET | 1 | 0 | 46 |
| Carrington GSP (SP Manweb) | NGET | 2 | 0 | 930 |
| Cashlie GSP | SHET | 1 | 0 | 11 |
| Ceannacroc GSP | SHET | 1 | 0 | 20 |
| Clashindarroch Substation | SHET | 1 | 0 | 37 |
| Cleve Hill 400kV Substation | NGET | 1 | 0 | 550 |
| Clunie GSP | SHET | 1 | 0 | 61.2 |
| Clyde North 275/33kV | SPT | 1 | 0 | 374.5 |
| Clyde South 275/33kV | SPT | 1 | 0 | 128.8 |
| Corby 132kV Substation | NGET | 1 | 0 | 401 |
| Coventry 275kV Substation | NGET | 2 | 0 | 55.9 |
| Creag Riabhach 132/33kV Substation | SHET | 1 | 0 | 0 |
| Crossaig 132kV Substation | SHET | 2 | 0 | 42.7 |
| Crossdykes 33kV | SPT | 1 | 0 | 46 |
| Crystal Rig 132/33kV | SPT | 3 | 0 | 200 |
| Culligran GSP | SHET | 1 | 0 | 19.1 |
| Cumberhead 33kV | SPT | 2 | 0 | 164 |
| Cumberhead Collector 132/33kV | SPT | 1 | 0 | 42 |
| Cumbernauld 132/33kV | SPT | 1 | 0 | 42.64 |
| Cwm Rheidol | NGET | 1 | 0 | 50 |
| Deanie GSP | SHET | 1 | 0 | 38 |
| Dinorwig 400kV Substation | NGET | 1 | 0 | 1,644 |
| Dogger Bank 220kV Offshores | NGET | 2 | 0 | 2,400 |
| Dorenell 132/33kV Substation | SHET | 1 | 0 | 177 |
| Douglas West Extension Windfarm | SPT | 1 | 0 | 60 |
| Dounreay GSP | SHET | 1 | 0 | 52.5 |
| Drummuir Windfarm at Keith 33kV Grid Supply Point | SHET | 1 | 0 | 48.3 |
| Dunlop 132kV Substation | NGET | 1 | 0 | 99 |
| Dunmaglass 132kV Substation | SHET | 1 | 0 | 94 |
| Enoch Hill 132/33kV Substation | SPT | 1 | 0 | 69 |
| Eredine GSP | SHET | 1 | 0 | 19.3 |
| Errochty 132kV Substation | SHET | 1 | 0 | 75 |
| Erskine 132/33kV | SPT | 1 | 0 | 29.9 |
| Ewehill 132/33kV | SPT | 1 | 0 | 39 |
| Fasnakyle GSP | SHET | 2 | 0 | 76.5 |
| Ffestiniog 275kV Substation | NGET | 1 | 0 | 360 |
| Foyers 275kV Substation | SHET | 1 | 0 | 300 |
| Frodsham (Network Rail) GSP | NGET | 1 | 0 | 0 |
| Gabbard 33/132kV Offshore Substation | OFTO | 1 | 0 | 500 |
| Galawhistle 132/33kV Substation | SPT | 1 | 0 | 55.2 |
| Galloper North 132/33kV Substation | NGET | 1 | 0 | 348 |
| Glen App 33kV | SPT | 1 | 0 | 32.2 |
| Glen Kyllachy Wind Farm Substation | SHET | 1 | 0 | 48.5 |
| Glenluce 132/33kV | SPT | 1 | 0 | 27.5 |
| Glenmoriston GSP | SHET | 2 | 0 | 58 |
| Glenniston GSP | SPT | 1 | 0 | 50 |
| Gordonbush GSP | SHET | 1 | 0 | 108 |
| Grain 400kV Substation | NGET | 2 | 0 | 2,427 |
| Grangemouth Ineos GSP | SPT | 1 | 0 | 120 |
| Gretna 400/132kV | SPT | 1 | 0 | 0 |
| Griffin 132/33kV Substation | SHET | 1 | 0 | 188.6 |
| Grimsby West 400/132 GSP | NGET | 1 | 0 | 80 |
| Gunfleet Sands 33/132kV Offshore | NGET | 2 | 0 | 163.9 |
| Gwynt y Mor 132/33kV Offshore Substation | OFTO | 1 | 0 | 574 |
| Hagshaw Hill Wind Farm 33kV Substation | SPT | 2 | 0 | 84 |
| Hartlepool 275kV Substation | NGET | 1 | 0 | 1,197 |
| Hatfield 33kV Substation | NGET | 2 | 0 | 55.5 |
| Hawkers Hill | NGET | 1 | 0 | 20 |
| Haydock GSP | NGET | 1 | 0 | 6 |
| Heysham GSP | NGET | 1 | 0 | 2,363 |
| Holes Bay Battery Storage | NGET | 1 | 0 | 7.5 |
| Hornsea Platform 1A Offshore Substation | NGET | 1 | 0 | 400 |
| Hornsea Platform 1B Offshore Substation | NGET | 1 | 0 | 400 |
| Hornsea Platform 1C Offshore Substation | NGET | 1 | 0 | 400 |
| Hornsea Platform 2A Offshore Substation | NGET | 1 | 0 | 440 |
| Hornsea Platform 2B Offshore Substation | NGET | 1 | 0 | 440 |
| Hornsea Power Station 2C Offshore platform Substation | NGET | 1 | 0 | 440 |
| Humber Gateway 33/132kV Offshore Substation | OFTO | 1 | 0 | 220 |
| Hunningley 132kV Substation | NGET | 1 | 0 | 40 |
| Invergarry 132kV Substation | SHET | 1 | 0 | 20 |
| Keith 132kV Substation | SHET | 2 | 0 | 26 |
| Keith Hill 33kV | SPT | 1 | 0 | 4.5 |
| Kergord GSP | SHET | 1 | 0 | 434 |
| Kilgallioch 275kV Substation | SPT | 1 | 0 | 274 |
| Kilmorack GSP | SHET | 1 | 0 | 20 |
| Kype Muir 132/33kV | SPT | 1 | 0 | 67.2 |
| Limekilns 132/33kV substation | SHET | 1 | 0 | 0 |
| Lincs 33/132kV Offshore Substation | OFTO | 1 | 0 | 265 |
| Livingston East 132/33kV | SPT | 1 | 0 | 51.7 |
| Lochay 132/11kV Substation | SHET | 1 | 0 | 0 |
| London Array 33/150kV Offshore Substations | OFTO | 1 | 0 | 630 |
| Luichart GSP | SHET | 1 | 0 | 34 |
| Maentwrog GSP | NGET | 1 | 0 | 30 |
| Mark Hill 275/132kV | SPT | 1 | 0 | 53 |
| Meadowhead GSP | SPT | 1 | 0 | 20 |
| Middlemuir 132/33kV | SPT | 1 | 0 | 51 |
| Middlemuir Wind Farm Collector Substation | SPT | 1 | 0 | 60 |
| Millennium GSP | SHET | 1 | 0 | 65 |
| Moray Firth 220/33kV Platform 1 & 2 Offshore Substation | SHET | 1 | 0 | 860 |
| Mossford GSP | SHET | 1 | 0 | 18.7 |
| Mybster 1 GSP | SHET | 1 | 0 | 22.5 |
| Nant 132kV Substation | SHET | 1 | 0 | 15 |
| Neart Na Gaoithe 220/66KV Offshore Substation | SPT | 1 | 0 | 448 |
| North Kyle 132/33kV substation | SPT | 1 | 0 | 212 |
| Ormonde 33/132kV Offshore Substation | OFTO | 1 | 0 | 150 |
| Padiham 132kV Substation | NGET | 1 | 0 | 21 |
| Pencloe 132/33kV Substation | SPT | 1 | 0 | 0 |
| Pitlochry (Clunie Cascade Hydro Scheme) | SHET | 1 | 0 | 15 |
| Platform EA One 220/66kV Offshore Substation | NGET | 1 | 0 | 680 |
| Pogbie 33kV | SPT | 1 | 0 | 9.6 |
| Quoich GSP | SHET | 1 | 0 | 18 |
| Race Bank 132kV Substation | NGET | 1 | 0 | 565 |
| Rainhill GSP | NGET | 1 | 0 | 0 |
| Rampion 33/132kV Offshore | NGET | 1 | 0 | 400 |
| Robin Rigg East 132/33kV Offshore Substation | OFTO | 1 | 0 | 86 |
| Robin Rigg West Offshore Wind Farm Substation | OFTO | 1 | 0 | 92 |
| Rocksavage 400kV Substation | NGET | 1 | 0 | 810 |
| Roosecote 132kV Substation | NGET | 1 | 0 | 49 |
| Rye House GSP | NGET | 1 | 0 | 715 |
| Saltend South 400kV Substation | NGET | 1 | 0 | 1,100 |
| Sandyknowe 132/33kV | SPT | 1 | 0 | 0 |
| Sanquhar 132/33kV | SPT | 1 | 0 | 30 |
| Sheringham Shoal 33/132kV Offshore Substations | OFTO | 1 | 0 | 315 |
| Sloy GSP | SHET | 2 | 0 | 152.5 |
| Spalding North 400kV Substation | NGET | 2 | 0 | 950 |
| Strathy North 132/33kV Substation | SHET | 1 | 0 | 67.65 |
| Stronelairg 132/33kV Substation | SHET | 1 | 0 | 227.8 |
| Thanet 33/132kV Offshore Substation | OFTO | 1 | 0 | 300 |
| Thurso GSP | SHET | 1 | 0 | 0 |
| Tilbury 132kV Substation | NGET | 2 | 0 | 793 |
| Toddleburn 33kV | SPT | 1 | 0 | 27.6 |
| Torr Achilty (Conan Cascade Hydro Scheme) | SHET | 1 | 0 | 15 |
| Tralorg 33kV | SPT | 1 | 0 | 20 |
| Triton Knoll Offshore Substation | NGET | 1 | 0 | 824 |
| Upperboat 132kV Substation | NGET | 2 | 0 | 31 |
| Walney 1 33/132kV Offshore Substation | OFTO | 1 | 0 | 182 |
| Walney 2 33/132kV Substation | OFTO | 1 | 0 | 182 |
| Walney 3 Offshore Substation | NGET | 1 | 0 | 330 |
| Walney 4 Offshore Substation | NGET | 1 | 0 | 330 |
| Walpole 400kV substations | NGET | 1 | 0 | 0 |
| Washway Farm GSP | NGET | 1 | 0 | 49.9 |
| West of Duddon Sands 34/155kV Offshore Substation | OFTO | 1 | 0 | 382 |
| Wester Dod 132kV | SPT | 2 | 0 | 145 |
| Westermost Rough Offshore Substation | OFTO | 1 | 0 | 206.5 |
| Whitegate 275kV Substation | NGET | 1 | 0 | 57 |
| Willesden 132kV Substation | NGET | 1 | 0 | 140 |
| Wilton 66kV Substation | NGET | 1 | 0 | 141 |
| Wishaw 400/275kV | SPT | 1 | 0 | 49.95 |
| Wrecclesham 33kV | NGET | 1 | 0 | 20 |