| Hornsea Power Station 3 grid connection | England | Hornsea Project Three (UK) Limited | 3,000 MW |
| Portwind grid connection | England | SE Portwind Ltd | 2,500 MW |
| Eggborough CCGT - OCGT - BESS grid connection | England | Eggborough Power Limited | 2,450 MW |
| Bute Hydrogen Project 7.1 grid connection | England | Haldane Energy Project 7 Limited | 2,400 MW |
| East Claydon Green Energy Centre grid connection | England | East Claydon Green NG Limited | 2,050 MW |
| Walpole Flexible Generation grid connection | England | Walpole Flexible Generation Limited | 2,000 MW |
| West Burton B grid connection | England | West Burton B Limited | 1,881 MW |
| Carrington Lane BESS grid connection | England | GPC Battery Ltd | 1,800 MW |
| Damhead Creek 2 grid connection | England | VPI Power Limited | 1,800 MW |
| NatPower Enderby - Patford Bridge Green Energy Park grid connection | England | Enderby Energy Limited | 1,799 MW |
| Didcot B grid connection | England | RWE npower | 1,705 MW |
| Springwell grid connection | England | Springwell Energyfarm Limited | 1,600 MW |
| Mablethorpe Storage grid connection | England | Theddlethorpe Flexible Generation Limited | 1,500 MW |
| Old Flatts Farm grid connection | England | Net Zero One Ltd | 1,500 MW |
| Ferrybridge D grid connection | England | Keadby Generation Limited | 1,420 MW |
| Overton Solar & Storage Farm grid connection | England | Elements Green | 1,400 MW |
| Tealing Energy Park grid connection | Scotland | Banks Renewables | 1,400 MW |
| Thorpe Marsh Energy Park grid connection | England | Thorpe Marsh Green Energy Hub Limited | 1,400 MW |
| Trafford 2 BESS grid connection | England | Future Point Manchester Limited | 1,400 MW |
| NatPower Kinoulton Green Energy Park grid connection | England | Dalby Energy Limited | 1,330 MW |
| Immingham grid connection | England | VPI Immingham LLP | 1,318 MW |
| Little Horsted Energy Park grid connection | England | Elements Green Development Ltd | 1,260 MW |
| Cold Norton grid connection | England | BSR Applications Limited | 1,250 MW |
| Legacy Green Energy Centre grid connection | Wales | Legacy Green Energy Limited | 1,200 MW |
| The Beacon grid connection | England | Beacon Solar Limited | 1,200 MW |
| Vicarage Drove BESS grid connection | England | UK Transition Power Holdings Limited | 1,200 MW |
| Bradwell Energy Park grid connection | England | Dengie Peninsula Energy Park | 1,050 MW |
| Butlers Wood Green Energy Centre grid connection | England | Butlers Wood NG Limited | 1,025 MW |
| Cilfynydd Green Energy Centre grid connection | Wales | Cilfynydd NG Limited | 1,025 MW |
| Drakelow Green Energy Centre grid connection | England | Drakelow NG Limited | 1,025 MW |
| Enderby Green Energy Centre grid connection | England | Enderby BESS Limited | 1,025 MW |
| Feckenham Green Energy Centre grid connection | England | Feckenham Green NG Limited | 1,025 MW |
| Hams Hall Green Energy Centre grid connection | England | Hams Hall NG Limited | 1,025 MW |
| Harker Green Energy Centre grid connection | England | Blackdyke BESS Limited | 1,025 MW |
| Hawthorn Pit Green Energy Centre grid connection | England | Hawthorn Pit NG Limited | 1,025 MW |
| Mablethorpe Green Energy Centre grid connection | England | Mablethorpe NG Limited | 1,025 MW |
| Overton Green Energy Centre grid connection | England | Overton NG Limited | 1,025 MW |
| Pentir Green Energy Centre grid connection | Wales | Innova Renewables | 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 |
| Willington Green Energy Centre grid connection | England | Willington NG Limited | 1,025 MW |
| Halfway Energy Park grid connection | Scotland | Dalriada Renewables Ltd. | 1,000 MW |
| Alcemi Bramford Battery Energy Storage Facility Phase 2 grid connection | England | Alcemi Storage Developments 1 Limited | 1,000 MW |
| Alverdiscott Farm grid connection | England | Alverdiscott 10 Renewables Ltd | 1,000 MW |
| Amersham Main grid connection | England | Amersham 10 Renewables Limited | 1,000 MW |
| BF88 Oakley grid connection | England | Bluefield Renewable Developments Limited | 1,000 MW |
| Biggleswade grid connection | England | Biggleswade 10 Renewables Limited | 1,000 MW |
| Biggleswade High Impact Green Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Braintree grid connection | England | Braintree 10 Renewables Limited | 1,000 MW |
| Branxton PV & BESS Station grid connection | Scotland | IGP Solar 26 Limited | 1,000 MW |
| Brodsworth High Impact Green Energy Hub (Brodsworth HIGEH) grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Canterbury North grid connection | England | Canterbury North 10 Renewables Limited | 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 |
| ER BR Energy grid connection | England | ER Project Development Co Limited | 1,000 MW |
| ER LIL Energy grid connection | — | ER Project Development Co Limited | 1,000 MW |
| Gateway Energy Centre Power Station grid connection | England | Gateway Energy Centre Limited | 1,000 MW |
| Grendon High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| High Marnham 400 grid connection | England | Enso Green Holdings X 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 Hinkley Point grid connection | England | Kari Energy Limited | 1,000 MW |
| IPC Grid Tremorfa grid connection | Wales | IPC Grid Connection Limited | 1,000 MW |
| Langage Farm grid connection | England | Langage 10 Renewables Limited | 1,000 MW |
| Leadenham High Impact Green Energy Hub grid connection | England | Telis Energy UK Limited | 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 |
| NatPower Allington Green Energy Park grid connection | England | Cottom to Ryhall Energy Limited | 1,000 MW |
| Natpower Basingstoke Green Energy Park grid connection | England | Fleet Hampshire Energy Limited | 1,000 MW |
| NatPower Gwyddelwern Green Energy Park grid connection | Wales | Gwyddelwern Energy Limited | 1,000 MW |
| NatPower Hawthorn Pit Green Energy Park grid connection | England | NP SPV 29 Limited | 1,000 MW |
| NatPower Immingham Green Energy Park grid connection | England | Immingham Energy Storage Limited | 1,000 MW |
| NatPower Navenby Energy Park grid connection | England | Navenby Energy Limited | 1,000 MW |
| NatPower Nursling Energy Park grid connection | England | Southampton Energy Storage Limited | 1,000 MW |
| NatPower Oswestry Green Energy Park grid connection | England | NP SPV 43 Limited | 1,000 MW |
| NatPower Penrith Green Energy Park grid connection | England | Leith Energy Limited | 1,000 MW |
| NatPower Teesside Green Energy Park grid connection | England | Old Rides Energy Storage Limited | 1,000 MW |
| Natpower Thimbleby Green Energy Park grid connection | England | Mowbray Energy Park Limited | 1,000 MW |
| NatPower Tilbury Green Energy Park grid connection | England | Natpower Marine UK Limited | 1,000 MW |
| Natpower Upsall Green Energy Park grid connection | England | Bellmoor Energy Park Limited | 1,000 MW |
| NatPower Yaxley Green Energy Park grid connection | England | Yaxley Energy Limited | 1,000 MW |
| NatPower-Medway Energy Park grid connection | England | Old Rides Energy Storage Limited | 1,000 MW |
| Navenby Farm grid connection | England | Coddington 10 Renewables Ltd | 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 |
| Ninfield grid connection | England | Ninfield 10 Renewables Limited | 1,000 MW |
| Ratcliffe on Soar Farm grid connection | England | Kegworth 10 Renewables Ltd | 1,000 MW |
| Rugby High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Rye House grid connection | England | Rye House 10 Renewables Limited | 1,000 MW |
| Sellindge West grid connection | England | Sellindge West 10 Renewables Limited | 1,000 MW |
| Spalding High Impact Energy Hub grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Spittal BESS Station grid connection | Scotland | IGP Energy Storage 5 Limited | 1,000 MW |
| Stoke Bardolph grid connection | England | Stoke Bardolph 10 Renewables Limited | 1,000 MW |
| West Weybridge grid connection | England | West Weybridge 10 Renewables Limited | 1,000 MW |
| Wymondley Farm grid connection | England | Wymondley 10 Renewables Ltd | 1,000 MW |
| Wymondley High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Norwich Main BESS grid connection | England | Tasway Energy Park Limited | 950 MW |