| A | B | C | D | E | F | G | H | I | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Company Name | Site Name | Technology | Type | Primary Fuel | Capacity** (MW) | Country | Region | Year Commissioned | 
| 2 | Part of Drax Group | Drax Power Station Biomass Units | Bioenergy | Bioenergy | Biomass | 2640 | England | Yorkshire and the Humber | 2013 | 
| 3 | RWE Npower | Pembroke | Fossil Fuel | CCGT | Natural Gas | 2199 | Wales | Wales | 2012 | 
| 4 | Anesco | Langley Priory | Solar | PV | Solar | 2036 | England | East Midlands | 2016 | 
| 5 | Uniper UK | Ratcliffe (Steam) | Fossil Fuel | Conventional steam | Coal | 2021 | England | East Midlands | 1967 | 
| 6 | RWE Npower | Staythorpe | Fossil Fuel | CCGT | Natural Gas | 1828 | England | East Midlands | 2010 | 
| 7 | Engie Power | Dinorwig Power Station | Pumped Hydro | Pumped Hydro | Pumped hydro | 1800 | Wales | Wales | 1984 | 
| 8 | RWE Npower | Didcot B | Fossil Fuel | CCGT | Natural Gas | 1450 | England | South East | 1998 | 
| 9 | Orsted | Hornsea 02 | Wind | Offshore | Wind | 1386 | England | East Midlands | 2022 | 
| 10 | Uniper UK | Connahs Quay | Fossil Fuel | CCGT | Sour Gas | 1380 | Wales | Wales | 1996 | 
| 11 | EPUKi | EP SHB LTD | Fossil Fuel | CCGT | Natural Gas | 1365 | England | Yorkshire and the Humber | 1997 | 
| 12 | Uniper UK | Grain | Fossil Fuel | CCGT | Natural Gas | 1365 | England | South East | 2011 | 
| 13 | UK Transition Limited | West Burton CCGT | Fossil Fuel | CCGT | Natural Gas | 1332 | England | East Midlands | 2013 | 
| 14 | Vitol | VPI | Fossil Fuel | CCGT | Natural Gas | 1268 | England | Yorkshire and the Humber | 2004 | 
| 15 | Co-owned by SSE Group and Cheung Kong Infrastructure Ltd | Seabank Power Ltd | Fossil Fuel | CCGT | Natural Gas | 1234 | England | South West | 2000 | 
| 16 | Orsted | Hornsea 01 | Wind | Offshore | Wind | 1218 | England | North East | 2019 | 
| 17 | Energy Capital Partners | Saltend Power Station | Fossil Fuel | CCGT | Natural Gas | 1200 | England | Yorkshire and the Humber | 2000 | 
| 18 | SSE Group | Peterhead | Fossil Fuel | CCGT | Natural Gas | 1180 | Scotland | Scotland | 1980 | 
| 19 | SSE Group | Seagreen | Wind | Offshore | Wind | 1075 | Scotland | Scotland | 2022 | 
| 20 | Intergen | Spalding Energy Company Ltd | Fossil Fuel | CCGT | Natural Gas | 950 | England | East Midlands | 2004 | 
| 21 | Moray Offshore Windfarm (East) Ltd | Moray Offshore Windfarm East Limited | Wind | Offshore | Wind | 950 | Scotland | Scotland | 2021 | 
| 22 | ESB | Carrington Power | Fossil Fuel | CCGT | Natural Gas | 910 | England | North West | 2016 | 
| 23 | EPUKi | EP Langage Ltd | Fossil Fuel | CCGT | Natural Gas | 905 | England | South West | 2010 | 
| 24 | Marchwood Power | Marchwood Power | Fossil Fuel | CCGT | Natural Gas | 898 | England | South East | 2009 | 
| 25 | RWE Npower | Triton Knoll | Wind | Offshore | Wind | 857 | England | Yorkshire and the Humber | 2021 | 
| 26 | Calon Energy | Severn Power Ltd | Fossil Fuel | CCGT | Natural Gas | 850 | England | -- | 2010 | 
| 27 | SSE Group | Keadby 2 | Fossil Fuel | CCGT | Natural Gas | 840 | England | East Midlands | 2023 | 
| 28 | Intergen | Rocksavage Power Company Ltd | Fossil Fuel | CCGT | Natural Gas | 810 | England | North West | 1998 | 
| 29 | Vitol | Damhead Creek | Fossil Fuel | CCGT | Natural Gas | 805 | England | South East | 2000 | 
| 30 | Intergen | Coryton Energy Company Ltd | Fossil Fuel | CCGT | Natural Gas | 800 | England | South East | 2002 | 
| 31 | SSE Group | Medway | Fossil Fuel | CCGT | Natural Gas | 755 | England | South East | 1995 | 
| 32 | SSE Group | Keadby | Fossil Fuel | CCGT | Natural Gas | 735 | England | East Midlands | 1982 | 
| 33 | RWE Npower | Little Barford | Fossil Fuel | CCGT | Natural Gas | 723 | England | East of England | 1995 | 
| 34 | Vitol | Rye House | Fossil Fuel | CCGT | Natural Gas | 715 | England | East of England | 1993 | 
| 35 | Scottish Power | East Anglia One | Wind | Offshore | Wind | 714 | England | East of England | 2019 | 
| 36 | RWE Npower | London Array | Wind | Offshore | Wind | 630 | England | South East | 2013 | 
| 37 | EPUKi | EP Ballylumford CCGT | Fossil Fuel | CCGT | Natural Gas | 616 | Northern Ireland | Northern Ireland | 2003 | 
| 38 | Uniper UK | Killingholme | Fossil Fuel | Single cycle | Natural Gas | 600 | England | Yorkshire and the Humber | 1992 | 
| 39 | SSE Group | Beatrice Offshore windfarm | Wind | Offshore | Wind | 588 | Scotland | Scotland | 2018 | 
| 40 | RWE Npower | Gwynt y Mor | Wind | Offshore | Wind | 576 | Wales | Wales | 2013 | 
| 41 | Orsted | Race Bank | Wind | Offshore | Wind | 573 | England | East of England | 2018 | 
| 42 | SSE Group | Greater Gabbard | Wind | Offshore | Wind | 504 | England | East of England | 2011 | 
| 43 | Uniper UK | Cottam Development Centre | Fossil Fuel | CCGT | Natural Gas | 445 | England | East Midlands | 1998 | 
| 44 | Part of Drax Group | Cruachan | Pumped Hydro | Pumped Hydro | Pumped hydro | 440 | Scotland | Scotland | 1965 | 
| 45 | EPUKi | Lynemouth Power Limited | Bioenergy | Bioenergy | Biomass | 420 | England | North East | 2018 | 
| 46 | RWE Npower | Great Yarmouth | Fossil Fuel | CCGT | Natural Gas | 420 | England | East of England | 2001 | 
| 47 | Vitol | Shoreham | Fossil Fuel | CCGT | Natural Gas | 420 | England | South East | 2000 | 
| 48 | ESB | CoolkeeraghESB C30 | Fossil Fuel | CCGT | Natural Gas | 413 | Northern Ireland | Northern Ireland | 2004 | 
| 49 | Uniper UK | Enfield | Fossil Fuel | CCGT | Natural Gas | 408 | England | London | 1999 | 
| 50 | ESB | Corby Power Station | Fossil Fuel | CCGT | Natural Gas | 407 | England | East Midlands | 1994 | 
| 51 | RWE Npower | Rampion | Wind | Offshore | Wind | 400.2 | England | South East | 2018 | 
| 52 | RWE Npower | Kings Lynn | Fossil Fuel | CCGT | Natural Gas | 395 | England | East of England | 1997 | 
| 53 | Orsted | West of Duddon Sands | Wind | Offshore | Wind | 389 | England | North West | 2014 | 
| 54 | Engie Power | Ffestiniog Power Station | Pumped Hydro | Pumped Hydro | Pumped hydro | 360 | Wales | Wales | 1963 | 
| 55 | RWE Npower | Galloper | Wind | Offshore | Wind | 352.8 | England | East of England | 2017 | 
| 56 | Orsted | Walney 03 | Wind | Offshore | Wind | 330 | England | North West | 2017 | 
| 57 | Orsted | Walney 04 | Wind | Offshore | Wind | 329 | England | North West | 2018 | 
| 58 | Scottish Power | Whitelee I | Wind | Onshore | Wind | 322 | Scotland | Scotland | 2007 | 
| 59 | Intergen | Spalding Expansion OCGT | Fossil Fuel | CCGT | Natural Gas | 300 | England | East Midlands | 2019 | 
| 60 | SSE Group | Foyers Pumped Storage | Pumped hydro | Pumped hydro | Pumped hydro | 300 | Scotland | Scotland | 1974 | 
| 61 | Vattenfall | Thanet | Wind | Offshore | Wind | 300 | England | South East | 2010 | 
| 62 | Orsted | Lincs | Wind | Offshore | Wind | 270 | England | East Midlands | 2013 | 
| 63 | Orsted | Burbo Extension | Wind | Offshore | Wind | 259 | England | North West | 2016 | 
| 64 | River Nene | Peterborough Power Station | Fossil Fuel | Single cycle | Natural Gas | 245 | England | East of England | 1993 | 
| 65 | Greencoat Capital | South Kyle | Wind | Onshore | Wind | 240 | Scotland | Scotland | 2023 | 
| 66 | Scottish Power | Kilgallioch | Wind | Onshore | Wind | 239 | Scotland | Scotland | 2016 | 
| 67 | Vattenfall | Pen Y Cymoedd | Wind | Onshore | Wind | 228 | Wales | Wales | 2016 | 
| 68 | SSE Group | Stronelairg Wind Farm | Wind | Onshore | Wind | 227.7 | Scotland | Scotland | 2018 | 
| 69 | RWE Npower | Humber Gateway | Wind | Offshore | Wind | 219 | England | Yorkshire and the Humber | 2015 | 
| 70 | Scottish Power | Whitelee II | Wind | Onshore | Wind | 217.02 | Scotland | Scotland | 2012 | 
| 71 | Orsted | Westermost Rough | Wind | Offshore | Wind | 210 | England | Yorkshire and the Humber | 2015 | 
| 72 | SSE Group | Clyde Windfarm (North) | Wind | Onshore | Wind | 197.7 | Scotland | Scotland | 2012 | 
| 73 | SSE Group | Clyde Windfarm (Central) | Wind | Onshore | Wind | 195.9 | Scotland | Scotland | 2011 | 
| 74 | SSE Group | Griffin Wind Farm | Wind | Onshore | Wind | 188.6 | Scotland | Scotland | 2011 | 
| 75 | Orsted | Walney 01 | Wind | Offshore | Wind | 183 | England | North West | 2011 | 
| 76 | Orsted | Walney 02 | Wind | Offshore | Wind | 183 | England | North West | 2012 | 
| 77 | EDF Energy | Dorenell | Wind | Onshore | Wind | 177 | Scotland | Scotland | 2018 | 
| 78 | Scira Offshore Energy | Sheringham Shoal BMU 1 | Wind | Offshore | Wind | 158 | England | East of England | 2012 | 
| 79 | Scira Offshore Energy | Sheringham Shoal BMU 2 | Wind | Offshore | Wind | 158 | England | East of England | 2012 | 
| 80 | SSE Group | Sloy | Hydro | Natural Flow | Hydro | 152.5 | Scotland | Scotland | 1950 | 
| 81 | Vattenfall | Ormonde | Wind | Offshore | Wind | 150 | England | North West | 2011 | 
| 82 | EDF Energy | Fallago Rig | Wind | Onshore | Wind | 144 | Scotland | Scotland | 2013 | 
| 83 | Uniper UK | Taylors Lane | Fossil Fuel | Single cycle | Diesel/Gas Oil | 144 | England | London | 1979 | 
| 84 | Energy Capital Partners | Indian Queens Power Ltd | Fossil Fuel | Single cycle | Diesel/Gas Oil | 140 | England | South West | 1996 | 
| 85 | RWE Npower | Cowes | Fossil Fuel | Single cycle | Diesel/Gas Oil | 140 | England | South East | 1982 | 
| 86 | Fred Olsen Renewables | Crystal Rig II | Wind | Onshore | Wind | 138 | Scotland | Scotland | 2003 | 
| 87 | Scottish Power | Harestanes | Wind | Onshore | Wind | 136 | Scotland | Scotland | 2013 | 
| 88 | SSE Group | Clyde Windfarm (South) | Wind | Onshore | Wind | 128.8 | Scotland | Scotland | 2011 | 
| 89 | Scottish Power | Black Law I | Wind | Onshore | Wind | 124.2 | Scotland | Scotland | 2005 | 
| 90 | Scottish Power | Arecleoch | Wind | Onshore | Wind | 120 | Scotland | Scotland | 2010 | 
| 91 | Sembcorp Utilities | Wilton International | Fossil Fuel | Conventional steam | Natural Gas | 120 | England | North East | 1952 | 
| 92 | SSE Group | Hadyard Hill Windfarm - A,C | Wind | Onshore | Wind | 119.8 | Scotland | Scotland | 2005 | 
| 93 | EPUKi | EP Ballylumford | Fossil Fuel | Single cycle | Diesel/Gas Oil | 116 | Northern Ireland | Northern Ireland | 1974 | 
| 94 | SSE Group | Bhlaraidh Wind Farm | Wind | Onshore | Wind | 110.4 | Scotland | Scotland | 2017 | 
| 95 | RES Group | Beinneun Wind Farm | Wind | Onshore | Wind | 108.8 | Scotland | Scotland | 2017 | 
| 96 | Orsted | Gunfleet Sands 01 | Wind | Offshore | Wind | 108 | England | South East | 2010 | 
| 97 | Scira Offshore Energy | Dudgeon BMU 1 | Wind | Offshore | Wind | 108 | England | East of England | 2017 | 
| 98 | Part of PX Group | Fellside CHP | Fossil Fuel | CCGT | Natural Gas | 105 | England | North West | 1995 | 
| 99 | Scira Offshore Energy | Dudgeon BMU 3 | Wind | Offshore | Wind | 102 | England | East of England | 2017 | 
| 100 | Scira Offshore Energy | Dudgeon BMU 4 | Wind | Offshore | Wind | 102 | England | East of England | 2017 |