| Hornsea Power Station 3 grid connection | England | Hornsea Project Three (UK) Limited | 3,000 MW |
| Marram Wind Offshore Wind Farm grid connection | Scotland | Marramwind Limited | 3,000 MW |
| Hornsea Power Station 4 grid connection | England | Orsted Hornsea Project Four Limited | 2,600 MW |
| Portwind grid connection | England | SE Portwind Ltd | 2,500 MW |
| OWPL Windfarm grid connection | Scotland | Offshore Wind Power Limited | 2,250 MW |
| Caledonia Offshore Wind Farm grid connection | Scotland | Caledonia Offshore Wind Farm Limited | 2,000 MW |
| Gallos grid connection | England | Corio Generation Limited | 2,000 MW |
| Machair Offshore Wind Farm grid connection | Scotland | ScottishPower Renewables UK Limited | 2,000 MW |
| Arven Offshore Wind Farm grid connection | Scotland | Arven Offshore Wind Farm Limited | 1,800 MW |
| Bellrock Offshore Wind Farm grid connection | Scotland | Bellrock Offshore Wind Farm Limited | 1,800 MW |
| Berwick Bank Offshore Wind Farm C grid connection | England | Berwick Bank C Limited | 1,800 MW |
| North-East Offshore Hybrid Asset grid connection | Scotland | National Grid Interconnector Holdings Limited | 1,800 MW |
| GT R4 Offshore Wind Farm grid connection | England | GT R4 Limited | 1,500 MW |
| Havbredey grid connection | Scotland | Havbredey Limited | 1,500 MW |
| Merlin 2 Offshore Windfarm grid connection | England | Offshore Wind Limited | 1,500 MW |
| Mona Offshore Wind Farm grid connection | Wales | Mona Offshore Wind Limited | 1,500 MW |
| Morgan Offshore Wind Farm grid connection | England | Morgan Offshore Wind Limited | 1,500 MW |
| Morven A Offshore Wind Farm (Prev Phoenix 1A) grid connection | England | Morven Offshore Wind Limited | 1,500 MW |
| Phoenix 1B Offshore Wind Farm grid connection | Scotland | Morven Offshore Wind Limited | 1,500 MW |
| SSE Celtic Sea 1 grid connection | England | SSE Renewables Offshore Windfarm Holdings Limited | 1,500 MW |
| Stromar Offshore Windfarm grid connection | Scotland | Stromar Offshore Wind Farm Limited | 1,500 MW |
| Torridge Offshore Wind Farm grid connection | — | Gwynt Glas Offshore Wind Farm Limited | 1,500 MW |
| Dogger Bank D Offshore Wind Farm grid connection | England | Doggerbank Offshore Wind Farm Project 4 Projco Limited | 1,450 MW |
| Dogger Bank South East grid connection | England | RWE Renewables UK Dogger Bank South (East) Limited | 1,450 MW |
| Dogger Bank South West grid connection | England | RWE Renewables UK Dogger Bank South (West) Limited | 1,450 MW |
| INTOG 2 grid connection | Scotland | Cerulean Winds Limited | 1,400 MW |
| Berwick Bank Offshore Wind Farm A grid connection | Scotland | Berwick Bank A Limited | 1,380 MW |
| Berwick Bank Offshore Wind Farm B grid connection | Scotland | Berwick Bank B Limited | 1,380 MW |
| CENOS grid connection | Scotland | Flotation Energy | 1,350 MW |
| Scira-Dudgeon Extension grid connection | England | Sheringham Shoal and Dudgeon Extensions Projco Limited | 1,350 MW |
| East Anglia Three grid connection | — | East Anglia Three Limited | 1,320 MW |
| Isle of Man Offshore Wind Farm grid connection | — | Mooir Vannin Offshore Wind Farm Limited | 1,320 MW |
| Norfolk Boreas grid connection | England | Norfolk Boreas Limited | 1,320 MW |
| Ossian 1 Offshore Wind Farm grid connection | Scotland | Ossian Offshore Wind Farm Limited | 1,320 MW |
| Sofia Offshore Wind Farm grid connection | England | Sofia Offshore Wind Farm Limited | 1,320 MW |
| Vanguard East grid connection | England | Norfolk Vanguard East Ltd | 1,320 MW |
| Vanguard grid connection | England | Norfolk Vanguard Limited | 1,320 MW |
| Cold Norton grid connection | England | BSR Applications Limited | 1,250 MW |
| Dogger Bank Project 4 (Dogger Bank B) grid connection | — | Doggerbank Offshore Wind Farm Project 2 Projco Limited | 1,200 MW |
| Dogger Bank Project A grid connection | — | Doggerbank Offshore Wind Farm Project 1 Projco Limited | 1,200 MW |
| Dogger Bank Project C grid connection | England | Doggerbank Offshore Wind Farm Project 3 Projco Limited | 1,200 MW |
| Rampion Extension Offshore Wind Farm grid connection | England | Rampion Extension Development Limited | 1,200 MW |
| Awel Y Mor grid connection | Wales | Awel y Mor Offshore Wind Farm Limited | 1,100 MW |
| Five Estuaries Offshore Wind Farm grid connection | — | Five Estuaries Offshore Wind Farm Ltd | 1,080 MW |
| Seagreen 1 Offshore Wind Farm grid connection | Scotland | Seagreen Wind Energy Ltd | 1,075 MW |
| Bradwell Energy Park grid connection | England | Dengie Peninsula Energy Park | 1,050 MW |
| Cilfynydd Green Energy Centre grid connection | Wales | Cilfynydd NG Limited | 1,025 MW |
| Harker Green Energy Centre grid connection | England | Blackdyke BESS Limited | 1,025 MW |
| Swansea North Green Energy Centre grid connection | Wales | Swansea North Green NG Limited | 1,025 MW |
| Thorpe Marsh Green Energy Centre grid connection | England | Thorpe Marsh NG Ltd | 1,025 MW |
| Ayre (ex Cluaran Ear - Thuath) Offshore Wind Farm grid connection | Scotland | Ayre Offshore Wind Farm Limited | 1,008 MW |
| Bowdun (ex Cluaran Deas Ear) Offshore Wind Farm grid connection | Scotland | Bowdun Offshore Wind Farm Limited | 1,008 MW |
| Cormoran Offshore Wind Farm grid connection | England | South West Wind Holdco Limited | 1,008 MW |
| Mererid Offshore Wind Farm grid connection | England | South West Wind Holdco Limited | 1,008 MW |
| Ossian 4 Offshore Wind Farm grid connection | Scotland | Ossian Offshore Wind Farm Limited | 1,008 MW |
| Biggleswade High Impact Green Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Brodsworth High Impact Green Energy Hub (Brodsworth HIGEH) grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Celtic 2 Offshore Wind Farm grid connection | England | RWE Offshore Wind | 1,000 MW |
| Celtic Sea Offshore Wind Farm (ESB) grid connection | — | ESB Asset Development UK | 1,000 MW |
| Daventry High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Didcot High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| East Claydon High Impact Green Energy Hub (HIGEH) 1 grid connection | England | East Claydon Storage Limited | 1,000 MW |
| Eaton Socon High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Equinor Celtic Sea 1 grid connection | England | Equinor New Energy Limited | 1,000 MW |
| Equinor Celtic Sea 2 grid connection | — | Equinor New Energy Limited | 1,000 MW |
| ER BR Energy grid connection | England | ER Project Development Co Limited | 1,000 MW |
| Grendon High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Gwynt Glas Offshore Wind Farm 2 grid connection | England | Gwynt Glas Offshore Wind Farm Limited | 1,000 MW |
| Huntingdon High Impact Energy Hub 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Huntingdon High Impact Energy Hub 2 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Icewind Blyth grid connection | England | Kari Energy Limited | 1,000 MW |
| Icewind Connah's Quay grid connection | Wales | Kari Energy Limited | 1,000 MW |
| Icewind Hawthorn Pit grid connection | England | Kari Energy Limited | 1,000 MW |
| Leadenham High Impact Green Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Llywelyn Extension Offshore Wind Farm grid connection | — | Falck Renewables | 1,000 MW |
| Market Harborough Green Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Melton Mowbray High Impact Energy Hub 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Melton Mowbray High Impact Energy Hub 2 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Muir Mhor Offshore Wind Farm grid connection | Scotland | Muir Mhòr Offshore Wind Farm Limited | 1,000 MW |
| Necton High Impact Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Newchurch High Impact Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| North Falls Offshore Wind Farm grid connection | — | North Falls Offshore Wind Farm Ltd | 1,000 MW |
| Petroc Extension Offshore Wind Farm grid connection | England | Bluefloat Energy UK Holdings Limited | 1,000 MW |
| Rugby High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Spalding High Impact Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| SPR CS1 grid connection | — | ScottishPower Renewables UK Limited | 1,000 MW |
| Wymondley High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Buchan 01 Offshore Wind Farm grid connection | Scotland | Buchan Offshore Wind Limited | 960 MW |
| Broadshore Offshore Wind Farm grid connection | Scotland | Broadshore Offshore Wind Farm Limited | 900 MW |
| Moray East Offshore Wind Farm grid connection | Scotland | Moray Offshore Windfarm (East) Limited | 900 MW |
| Spiorad Na Mara Offshore Wind Farm grid connection | Scotland | Spiorad na Mara Limited | 900 MW |
| East Anglia One North grid connection | England | East Anglia One North Limited | 880 MW |
| East Anglia Two grid connection | — | East Anglia Two Limited | 880 MW |
| Moray West Offshore Windfarm grid connection | Scotland | Moray Offshore Windfarm (West) Limited | 860 MW |
| Triton Knoll Offshore Wind Farm grid connection | — | Triton Knoll Offshore Wind Farm Limited | 824 MW |
| Whitelee grid connection | Scotland | ScottishPower Renewables UK Limited | 818 MW |
| Stockhills Farm grid connection | — | BSR Applications Limited | 800 MW |
| ER TWD Energy grid connection | Wales | ER Project Development Co Limited | 700 MW |
| East Anglia One grid connection | — | East Anglia One Ltd | 680 MW |
| London Array Offshore Wind Farm grid connection | — | London Array Ltd | 630 MW |