| Bute Hydrogen Project 1 grid connection | England | Haldane Energy Project 1 Limited | 4,800 MW |
| Bute Hydrogen Project 2 grid connection | England | Haldane Energy Project 2 Limited | 3,600 MW |
| Bute Hydrogen Project 3 grid connection | England | Haldane Energy Project 3 Limited | 3,600 MW |
| Bute Hydrogen Project 5 grid connection | England | Haldane Energy Project 5 Limited | 3,600 MW |
| Bute Hydrogen Project 6 grid connection | England | Haldane Energy Project 6 Limited | 3,600 MW |
| Eggborough CCGT - OCGT - BESS grid connection | England | Eggborough Power Limited | 2,450 MW |
| Bute Hydrogen Project 4 grid connection | England | Haldane Energy Project 4 Limited | 2,400 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 |
| Damhead Creek 2 grid connection | England | VPI Power Limited | 1,800 MW |
| Staythorpe C grid connection | England | RWE Generation | 1,752 MW |
| Didcot B grid connection | England | RWE Generation | 1,705 MW |
| Grain grid connection | England | Uniper | 1,517 MW |
| Mablethorpe Storage grid connection | England | Theddlethorpe Flexible Generation Limited | 1,500 MW |
| Nursling Flexible Generation grid connection | England | South Eng Flexible Generation Limited | 1,500 MW |
| Ferrybridge D grid connection | England | Keadby Generation Limited | 1,420 MW |
| South Humber Bank grid connection | England | EP UK Power Development II Ltd | 1,400 MW |
| Connah's Quay grid connection | Wales | Uniper | 1,380 MW |
| Immingham grid connection | England | VPI Immingham LLP | 1,318 MW |
| Seabank grid connection | England | Seabank Power Limited | 1,234 MW |
| Peterhead grid connection | Scotland | SSE Thermal Generation (Scotland) Limited | 1,180 MW |
| Saltend grid connection | England | Saltend Cogeneration Company Limited | 1,100 MW |
| Didcot High Impact Green Energy Hub (HIGEH) 1 grid connection | England | Telis Energy UK Limited | 1,000 MW |
| Spalding grid connection | England | Spalding Energy Company Ltd | 950 MW |
| Marchwood grid connection | England | Marchwood Power | 920 MW |
| Carrington Power Station grid connection | England | Carrington Power Limited | 910 MW |
| Keadby grid connection | England | Keadby Generation Limited | 910 MW |
| Keadby South Power Station grid connection | England | Keadby Generation Limited | 910 MW |
| Medway Power Station grid connection | England | Medway Power Limited | 910 MW |
| Peterhead Carbon Capture grid connection | Scotland | SSE Thermal Generation (Scotland) Limited | 910 MW |
| Protos Power Station grid connection | England | Keadby Generation Limited | 910 MW |
| Stallingborough Carbon Capture CCGT grid connection | England | RWE Generation | 906 MW |
| Langage grid connection | England | TTEP Langage Power Ltd | 905 MW |
| Keadby II grid connection | England | Keadby Generation Limited | 893 MW |
| Keadby North Power Station grid connection | England | Keadby Generation Limited | 892 MW |
| Net Zero Teesside Power Project grid connection | England | Net Zero Teesside Power Limited | 860 MW |
| Coryton grid connection | England | Coryton Energy Company Ltd | 850 MW |
| Severn Power grid connection | Wales | Severn Power Limited | 850 MW |
| Sutton Bridge grid connection | England | Sutton Bridge Power Generation | 850 MW |
| Wilton CCGT Project 1 grid connection | England | Sembcorp Utilities Limited | 850 MW |
| Spalding Energy Expansion grid connection | England | Spalding Energy Expansion Limited | 850 MW |
| Damhead Creek grid connection | England | VPI Power Limited | 812 MW |
| Rocksavage grid connection | England | Rocksavage Power Company, Ltd. | 810 MW |
| Thurrock Power Station grid connection | England | Thurrock Flexible Generation Limited | 750 MW |
| Little Barford grid connection | England | RWE Generation | 740 MW |
| Rye House grid connection | England | VPI Power Limited | 715 MW |
| Wilton CCGT Project 2 grid connection | England | Sembcorp Utilities Limited | 700 MW |
| Killingholme grid connection | England | Uniper | 619 MW |
| Bolton Road grid connection | England | Electricity North West | 179 MW |
| Winnington grid connection | England | SP Manweb Plc | 138 MW |
| Gas 123.3 MW grid connection at Broughton Direct | England | Northern Powergrid (Yorkshire) plc | 123 MW |
| Eastman Site grid connection | England | CNF Energy Ltd | 120 MW |
| Gas 100 MW grid connection at Port Clarence Gas Direct | England | Northern Powergrid (Northeast) plc | 100 MW |
| Bridgewater Paper grid connection | England | SP Manweb Plc | 90 MW |
| Blackburn Mill grid connection | England | Sappi (UK) Ltd | 78.8 MW |
| Gas 76 MW grid connection at Phillips Petroleum | England | Northern Powergrid (Northeast) plc | 76 MW |
| Shell Thornton Steam 75 grid connection | England | Shell U.K. | 75 MW |
| Gas 61.75 MW grid connection at Viking Power | England | Northern Powergrid (Northeast) plc | 61.8 MW |
| Gas 60 MW grid connection at Netherlands Way Gas | England | Northern Powergrid (Yorkshire) plc | 60 MW |
| Protos Park G3 grid connection | England | SP Manweb Plc | 53 MW |
| Longridge Road Energy Centre grid connection | England | Mt Green Power Ltd | 50.5 MW |
| Middleton Clean grid connection | England | Lancaster Power Limited | 50.5 MW |
| Gas 50 MW grid connection at Aldbrough Gas Caverns Direct | England | Northern Powergrid (Yorkshire) plc | 50 MW |
| Gas 50 MW grid connection at Phillips Petroleum | England | Northern Powergrid (Northeast) plc | 50 MW |
| RSPB Saltholme grid connection | England | Northern Powergrid (Northeast) plc | 50 MW |
| RSPB Saltholme grid connection | England | Northern Powergrid (Northeast) plc | 50 MW |
| Gas 49.9 MW grid connection at Burn Park Farm Direct | England | Northern Powergrid (Yorkshire) plc | 49.9 MW |
| Gas 49.894 MW grid connection at Worset Lane Generation | England | Northern Powergrid (Northeast) plc | 49.9 MW |
| Salt Union grid connection | England | SP Manweb Plc | 49 MW |
| Gas 48.82 MW grid connection at BTP | England | Northern Powergrid (Yorkshire) plc | 48.8 MW |
| Gas 48 MW grid connection at Scawby Brook Direct | England | Northern Powergrid (Yorkshire) plc | 48 MW |
| Sandbach CHP grid connection | England | E.On Uk Plc | 48 MW |
| Gas 47.5 MW grid connection at Thornhill Cogen Generation | England | Northern Powergrid (Yorkshire) plc | 47.5 MW |
| Essar Oil (619371443) grid connection | England | SP Manweb Plc | 45 MW |
| Gas 45 MW grid connection at South Road CHP Direct | England | Northern Powergrid (Yorkshire) plc | 45 MW |
| Moss Lane grid connection | England | Holmen Board and Paper Limited | 45 MW |
| Weston Point Gas 45 grid connection | England | SP Manweb Plc | 45 MW |
| Redscar Business Park grid connection | England | Conrad (Redscar) Ltd | 42.1 MW |
| Gas 40 MW grid connection at Peterlee Industrial | England | Northern Powergrid (Northeast) plc | 40 MW |
| Jakto Transport grid connection | England | Northern Powergrid (Yorkshire) plc | 40 MW |
| Gas 39 MW grid connection at Lindsey Oil Refinery 1A_1B | England | Northern Powergrid (Yorkshire) plc | 39 MW |
| Carrington Paper Mill grid connection | England | Saica Paper UK Limited | 37.5 MW |
| Gas 35 MW grid connection at Gascoigne Wood | England | Northern Powergrid (Yorkshire) plc | 35 MW |
| Strand Gate grid connection | England | SP Manweb Plc | 35 MW |
| Silk Road Business Park grid connection | England | Astra Zeneca UK Ltd | 31.4 MW |
| Gas 30 MW grid connection at Balby Carr Generation | England | Northern Powergrid (Yorkshire) plc | 30 MW |
| Gas 30 MW grid connection at Caxton Way Gas | England | Northern Powergrid (Yorkshire) plc | 30 MW |
| Kronospan grid connection | Wales | Kronospan | 28 MW |
| Kronospan grid connection | Wales | SP Manweb Plc | 28 MW |
| Gas 27 MW grid connection at Boscar Grange Generation | England | Northern Powergrid (Northeast) plc | 27 MW |
| Ince Biomass Facility grid connection | England | SP Manweb Plc | 26.6 MW |
| Doveryard (Oldhall ERF) grid connection | Scotland | Doveryard Ltd | 25 MW |
| Doveryard (Oldhall ERF) grid connection | Scotland | Doveryard Ltd | 25 MW |
| Gas 25 MW grid connection at Cleveland Street Generation Direct | England | Northern Powergrid (Yorkshire) plc | 25 MW |
| Hurricane Park grid connection | England | Northern Powergrid (Yorkshire) plc | 25 MW |
| Gas 24 MW grid connection at Queens Road Generation | England | Northern Powergrid (Yorkshire) plc | 24 MW |
| Gas 23.75 MW grid connection at Great Field Lane Generation | England | Northern Powergrid (Yorkshire) plc | 23.8 MW |
| Abercorn Street Gas grid connection | Scotland | Greenspan Contractors Ltd | 22.5 MW |
| Caledon Green Gas grid connection | Scotland | Caledon Green Generation Ltd. | 22.5 MW |
| North Rd 1 grid connection | England | Baker Street Generation Limited | 22.5 MW |