| 1 | Longannet power station | Coal | 4,856 |
| 2 | Kingsnorth power station | Coal | 3,772 |
| 3 | Moorside nuclear power plant | Nuclear | 3,405 |
| 4 | Moorside Clean Energy Hub nuclear power plant | Nuclear | 3,200 |
| 5 | Wylfa Newydd nuclear power plant | Nuclear | 2,760 |
| 6 | Cockenzie power station | Coal | 2,456 |
| 7 | Grangemouth (GBTron) power station | Gas | 2,400 |
| 8 | Bradwell B nuclear power plant | Nuclear | 2,300 |
| 9 | Ferrybridge-C power station | Gas | 2,300 |
| 10 | Pembroke | Gas | 2,180 |
| 11 | Didcot power station | Coal | 2,172 |
| 12 | Fiddler's Ferry power station | Coal | 2,132 |
| 13 | West Burton | Coal | 2,012 |
| 14 | Cottam | Coal | 2,008 |
| 15 | Ratcliffe | Coal | 2,000 |
| 16 | Walpole power station | Gas | 2,000 |
| 17 | King's Lynn-B power station | Gas | 1,999 |
| 18 | Drax | Biomass | 1,980 |
| 19 | Eggborough | Coal | 1,960 |
| 20 | Dinorwig | Hydro | 1,800 |
| 21 | Staythorpe C | Gas | 1,772 |
| 22 | Dinorwig | Hydro | 1,728 |
| 23 | Tees Combined-Cycle Power Plant | Gas | 1,700 |
| 24 | Hunterston Power Station | Coal | 1,600 |
| 25 | Aberthaw B | Coal | 1,586 |
| 26 | Thorpe Marsh power station | Gas | 1,576 |
| 27 | Theddlethorpe Flexible Generation power station | Gas | 1,500 |
| 28 | Sellafield (Candu) nuclear power plant | Nuclear | 1,480 |
| 29 | Didcot B | Gas | 1,470 |
| 30 | Grain CHP | Cogeneration | 1,404 |
| 31 | QTS Cambois Data Centre Campus | Oil | 1,392 |
| 32 | Connahs Quay | Gas | 1,380 |
| 33 | West Burton CCGT | Gas | 1,332 |
| 34 | South Humber Bank | Gas | 1,310 |
| 35 | VPI Immingham | Cogeneration | 1,240 |
| 36 | Heysham 2 | Nuclear | 1,230 |
| 37 | Hornsea 1 - Heron & Njord | Wind | 1,200 |
| 38 | Saltend | Gas | 1,200 |
| 39 | Sizewell B | Nuclear | 1,198 |
| 40 | Torness | Nuclear | 1,185 |
| 41 | Hartlepool | Nuclear | 1,180 |
| 42 | Peterhead | Gas | 1,180 |
| 43 | Heysham 1 | Nuclear | 1,155 |
| 44 | Blyth power station | Coal | 1,140 |
| 45 | Rugeley power station | Coal | 1,094 |
| 46 | Ironbridge power station | Coal | 1,086 |
| 47 | Wylfa nuclear power plant | Nuclear | 1,070 |
| 48 | Dungeness B | Nuclear | 1,050 |
| 49 | High Marnham power station | Coal | 1,000 |
| 50 | Tilbury power station | Coal | 978 |
| 51 | Hunterston B | Nuclear | 965 |
| 52 | Hinkley Point B | Nuclear | 955 |
| 53 | Cumbria nuclear power plant | Nuclear | 940 |
| 54 | Wylfa SMR nuclear power plant | Nuclear | 924 |
| 55 | Langage | Gas | 905 |
| 56 | Carrington | Gas | 900 |
| 57 | Don Valley Power Project | Coal | 900 |
| 58 | Hillhouse Enterprise Zone power station | Gas | 900 |
| 59 | Stallingborough power station | Gas | 900 |
| 60 | Spalding | Gas | 880 |
| 61 | Severn Power | Gas | 850 |
| 62 | Marchwood | Gas | 842 |
| 63 | Sutton Bridge | Gas | 819 |
| 64 | Seabank 1 | Gas | 812 |
| 65 | Rocksavage | Gas | 810 |
| 66 | Damhead Creek | Gas | 805 |
| 67 | Coryton | Gas | 800 |
| 68 | Kincardine power station | Coal | 760 |
| 69 | Net Zero Teesside power station | Gas | 742 |
| 70 | Little Barford | Gas | 720 |
| 71 | Rye House | Gas | 715 |
| 72 | Medway | Gas | 700 |
| 73 | Walney 3 | Wind | 660 |
| 74 | London Array | Wind | 630 |
| 75 | Sellafield (Hitachi) nuclear power plant | Nuclear | 622 |
| 76 | Ballylumford C | Gas | 616 |
| 77 | Killingholme | Gas | 600 |
| 78 | Beatrice | Wind | 588 |
| 79 | Gwynt y Mor | Wind | 576 |
| 80 | Caledonia Clean Energy Project | Coal | 570 |
| 81 | Ballylumford B | Gas | 540 |
| 82 | Baglan Bay CCGT | Gas | 520 |
| 83 | Kilroot | Coal | 520 |
| 84 | Deeside | Gas | 515 |
| 85 | Greater Gabbard | Wind | 504 |
| 86 | Belfast Harbour Estate power station | Gas | 480 |
| 87 | Trawsfynydd nuclear power plant | Nuclear | 470 |
| 88 | Thurrock Flexible power station | Gas | 450 |
| 89 | Cruachan | Hydro | 440 |
| 90 | Cruachan | Hydro | 440 |
| 91 | Great Yarmouth | Gas | 420 |
| 92 | Shoreham | Gas | 420 |
| 93 | Seabank 2 | Gas | 410 |
| 94 | Coolkeeragh | Gas | 408 |
| 95 | Enfield | Gas | 408 |
| 96 | Dudgeon East | Wind | 402 |
| 97 | Corby | Gas | 401 |
| 98 | EFDA JJET Fusion Flywheel | Storage | 400 |
| 99 | Rampion Offshore Wind Farm (Hastings Zone) | Wind | 400 |
| 100 | Cottam Development Centre | Gas | 395 |
| 101 | King's Lynn power station | Gas | 395 |
| 102 | West of Duddon Sands | Wind | 389 |
| 103 | Ffestiniog | Hydro | 360 |
| 104 | Galloper Wind Farm | Wind | 353 |
| 105 | Clyde Wind Farm | Wind | 350 |
| 106 | Berkeley nuclear power plant | Nuclear | 332 |
| 107 | Whitelee | Wind | 322 |
| 108 | Sheringham Shoal BMU 1 & 2 | Wind | 316 |
| 109 | Foyers | Hydro | 300 |
| 110 | Thanet | Wind | 300 |
| 111 | Whitetail Clean Energy power station | Gas | 300 |
| 112 | Hirwaun power station | Gas | 299 |
| 113 | Meaford Energy Centre | Gas | 299 |
| 114 | Millbrook power station | Gas | 299 |
| 115 | Progress power station | Gas | 299 |
| 116 | Wrexham Energy Centre | Gas | 299 |
| 117 | Race Bank (Phase 1) | Wind | 286 |
| 118 | Lincs | Wind | 270 |
| 119 | Dounreay nuclear power plant | Nuclear | 265 |
| 120 | Thurrock Data Centre | Oil | 258 |
| 121 | Burbo Bank Extension (Burbo Bank 2) | Wind | 258 |
| 122 | Belfast West power station | Coal | 240 |
| 123 | Calder Hall nuclear power plant | Nuclear | 240 |
| 124 | Chapelcross nuclear power plant | Nuclear | 240 |
| 125 | Peterborough | Gas | 240 |
| 126 | Kilgallioch wind farm | Wind | 239 |
| 127 | Barry | Gas | 235 |
| 128 | Derwent power station | Gas | 230 |
| 129 | Uskmouth Power | Coal | 230 |
| 130 | Pen y Cymoedd | Wind | 228 |
| 131 | Stronelairg Wind Farm | Wind | 228 |
| 132 | Humber Gateway | Wind | 219 |
| 133 | Whitelee 2 | Wind | 217 |
| 134 | Westermost Rough | Wind | 210 |
| 135 | Stanlow Refinery power station | Gas | 200 |
| 136 | Griffin | Wind | 189 |
| 137 | Walney 1 | Wind | 184 |
| 138 | Walney 2 | Wind | 184 |
| 139 | Fellside CHP | Cogeneration | 180 |
| 140 | Grangemouth power station | Gas | 180 |
| 141 | Dorenell Wind Farm (Previously Site A and B Scaut Hill) | Wind | 177 |
| 142 | Clyde Wind Farm Extension (Clyde 2) | Wind | 173 |
| 143 | Sloy | Hydro | 152 |
| 144 | Glanford Brigg | Gas | 150 |
| 145 | Ormonde | Wind | 150 |
| 146 | Fallago Rig | Wind | 144 |
| 147 | Taylor's Lane GT | Gas | 144 |
| 148 | Kilroot OCGT | Gas | 142 |
| 149 | Cowes | Gas | 140 |
| 150 | Indian Queens | Oil | 140 |
| 151 | Crystal Rig 2 | Wind | 138 |
| 152 | Harestanes | Wind | 136 |
| 153 | Fawley Refinery power station | Gas | 125 |
| 154 | Black Law | Wind | 124 |
| 155 | Arecleoch | Wind | 120 |
| 156 | Wilton International power station | Gas | 120 |
| 157 | Hadyard Hill | Wind | 120 |
| 158 | Ballylumford B OCGT | Gas | 116 |
| 159 | Smurfit Townsend Hook power station | Gas | 115 |
| 160 | Bhlaraidh (previously Balmacaan) | Wind | 110 |
| 161 | Whitelee Windfarm Extension phase 2 | Wind | 109 |
| 162 | Gunfleet Sands 1 | Wind | 108 |
| 163 | Kemsley Paper Mill power station | Gas | 102 |
| 164 | Didcot GT | Gas | 100 |
| 165 | Glendoe | Hydro | 100 |
| 166 | Heartlands power station | Gas | 100 |
| 167 | Sullom Voe Terminal power station | Oil | 100 |
| 168 | Winfrith SGHWR nuclear power plant | Nuclear | 100 |
| 169 | Inner Dowsing | Wind | 97 |
| 170 | Lynn | Wind | 97 |
| 171 | Dunmaglass | Wind | 94 |
| 172 | Winnington Brunner power station | Gas | 94 |
| 173 | European Offshore Wind Deployment Centre (EOWDC) (Aberdeen Bay - Demonstration site) | Wind | 93 |
| 174 | Wissington Sugar Factory power station | Gas | 93 |
| 175 | Farr | Wind | 92 |
| 176 | Barrow | Wind | 90 |
| 177 | Burbo Bank | Wind | 90 |
| 178 | Kentish Flats | Wind | 90 |
| 179 | Rhyl Flats | Wind | 90 |
| 180 | Robin Rigg East | Wind | 90 |
| 181 | Robin Rigg West | Wind | 90 |
| 182 | Kype Muir Wind Farm | Wind | 88 |
| 183 | Beinneun | Wind | 85 |
| 184 | Runcorn EfW | Waste | 81 |
| 185 | Llynfi nuclear power plant | Nuclear | 80 |
| 186 | Ferrybridge Multi-fuel | Biomass | 79 |
| 187 | Bury St Edmunds Sugar Factory power station | Gas | 77 |
| 188 | Mid Hill | Wind | 76 |
| 189 | Drax GT | Gas | 75 |
| 190 | Slieve Kirk | Wind | 74 |
| 191 | Shotwick | Solar | 72 |
| 192 | Braes of Doune Wind Farm | Wind | 72 |
| 193 | Riverside Resource Recovery Facility (RRRF) | Waste | 72 |
| 194 | Gordonbush | Wind | 70 |
| 195 | MOD Lyneham | Solar | 70 |
| 196 | Corriegarth | Wind | 69 |
| 197 | Dersalloch | Wind | 69 |
| 198 | Lochluichart | Wind | 69 |
| 199 | Keadby | Wind | 68 |
| 200 | Strathy North | Wind | 68 |