| 1 | Grangemouth (GBTron) power station | Stirling | 2,400 |
| 2 | Pembroke | Wales | 2,305 |
| 3 | Ferrybridge-C power station | England | 2,300 |
| 4 | Walpole power station | Lincolnshire | 2,000 |
| 5 | King's Lynn-B power station | Norfolk | 1,999 |
| 6 | Staythorpe C | England | 1,772 |
| 7 | Tees Combined-Cycle Power Plant | North Yorkshire | 1,700 |
| 8 | Thorpe Marsh power station | South Yorkshire | 1,576 |
| 9 | Theddlethorpe Flexible Generation power station | Lincolnshire | 1,500 |
| 10 | Didcot B | England | 1,440 |
| 11 | South Humber Bank | England | 1,390 |
| 12 | Connahs Quay | Wales | 1,380 |
| 13 | West Burton CCGT | England | 1,332 |
| 14 | Saltend | England | 1,200 |
| 15 | Peterhead | Scotland | 1,180 |
| 16 | Carrington | England | 950 |
| 17 | Spalding | England | 950 |
| 18 | Langage | England | 905 |
| 19 | Hillhouse Enterprise Zone power station | Lancashire | 900 |
| 20 | Stallingborough power station | Lincolnshire | 900 |
| 21 | Severn Power | Wales | 850 |
| 22 | Marchwood | England | 842 |
| 23 | Sutton Bridge | England | 819 |
| 24 | Seabank 1 | England | 812 |
| 25 | Rocksavage | England | 810 |
| 26 | Damhead Creek | England | 805 |
| 27 | Coryton | England | 800 |
| 28 | Medway | England | 755 |
| 29 | Net Zero Teesside power station | Teesside | 742 |
| 30 | Little Barford | England | 735 |
| 31 | Rye House | England | 715 |
| 32 | Ballylumford C | Northern Ireland | 616 |
| 33 | Killingholme | England | 600 |
| 34 | Ballylumford B | Northern Ireland | 540 |
| 35 | Baglan Bay CCGT | Wales | 520 |
| 36 | Deeside | Wales | 498 |
| 37 | Belfast Harbour Estate power station | County Antrim | 480 |
| 38 | Thurrock Flexible power station | Essex | 450 |
| 39 | Cottam Development Centre | England | 445 |
| 40 | Great Yarmouth | England | 420 |
| 41 | Shoreham | England | 420 |
| 42 | Seabank 2 | England | 410 |
| 43 | Coolkeeragh | Northern Ireland | 408 |
| 44 | Enfield | England | 408 |
| 45 | King's Lynn power station | Norfolk | 395 |
| 46 | Corby | England | 350 |
| 47 | Whitetail Clean Energy power station | Durham | 300 |
| 48 | Hirwaun power station | Rhondda Cynon Taf (Wales) | 299 |
| 49 | Meaford Energy Centre | Staffordshire | 299 |
| 50 | Millbrook power station | Bedfordshire | 299 |
| 51 | Progress power station | Suffolk | 299 |
| 52 | Wrexham Energy Centre | Wrexham (Wales) | 299 |
| 53 | Peterborough | England | 240 |
| 54 | Barry | Wales | 230 |
| 55 | Derwent power station | Derbyshire | 230 |
| 56 | Stanlow Refinery power station | Cheshire West and Chester | 200 |
| 57 | Glanford Brigg | England | 150 |
| 58 | Grangemouth power station | Stirling | 145 |
| 59 | Taylor's Lane GT | England | 144 |
| 60 | Kilroot OCGT | Northern Ireland | 142 |
| 61 | Cowes | England | 140 |
| 62 | Fawley Refinery power station | Hampshire | 125 |
| 63 | Wilton International power station | England | 120 |
| 64 | Ballylumford B OCGT | Northern Ireland | 116 |
| 65 | Smurfit Townsend Hook power station | Hook | 115 |
| 66 | Kemsley Paper Mill power station | Kent | 102 |
| 67 | Didcot GT | England | 100 |
| 68 | Heartlands power station | West Midlands | 100 |
| 69 | Winnington Brunner power station | Cheshire | 94 |
| 70 | Wissington Sugar Factory power station | Norfolk | 93 |
| 71 | Bury St Edmunds Sugar Factory power station | Suffolk | 77 |
| 72 | Drax GT | England | 75 |
| 73 | Cheshire power station | Cheshire | 62 |
| 74 | Blackburn Mill power station | Lancashire | 60 |
| 75 | Blackburn | England | 59 |
| 76 | Derby power station | Derbyshire | 58 |
| 77 | Castleford | England | 56 |
| 78 | Grain GT | England | 56 |
| 79 | Sandbach | England | 56 |
| 80 | Seal Sands power station | Durham | 55 |
| 81 | Coolkeeragh OCGT | Northern Ireland | 53 |
| 82 | Aberthaw GT | Wales | 51 |
| 83 | Saltholme North power station | Durham | 50 |
| 84 | Saltholme South power station | Durham | 50 |
| 85 | Thornhill | England | 50 |
| 86 | Croydon power station | Greater London | 50 |
| 87 | Exeter power station | Devon | 50 |
| 88 | Hartmoor power station | Hartlepool | 50 |
| 89 | Maidenhead power station | Windsor and Maidenhead | 50 |
| 90 | Rugeley East power station | Staffordshire | 50 |
| 91 | Stanford le hope power station | Bridgend | 50 |
| 92 | Viking power station | Durham | 50 |
| 93 | Lemington power station | Northumberland | 50 |
| 94 | Palm mill power station | Norfolk | 45 |
| 95 | Knapton power station | Yorkshire | 42 |
| 96 | Pencoed power station | Wales | 40 |
| 97 | Red Scar Business Park power station | Preston | 40 |
| 98 | West Burton GT | England | 40 |
| 99 | Grimsby power station | | 40 |
| 100 | Swansea power station | Swansea | 40 |
| 101 | Lindsey refinery power station | Lincolnshire | 38 |
| 102 | Mill Hill power station | Durham | 35 |
| 103 | Ratcliffe GT | England | 34 |
| 104 | Baglan Bay OCGT | Wales | 32 |
| 105 | Keadby GT | England | 25 |
| 106 | Macclesfield Zenca power station | Cheshire | 23 |
| 107 | Caledon Green power station | Falkirk | 22 |
| 108 | North Road power station | Halton | 22 |
| 109 | Bracknell power station | Bracknell Forest | 21 |
| 110 | Fareham power station | Hampshire | 21 |
| 111 | Havant power station | | 21 |
| 112 | Kirkby power station | Knowsley | 21 |
| 113 | Water Lane power station | Devon | 21 |
| 114 | Drumcross power station | West Lothian | 21 |
| 115 | Erskine power station | Renfrewshire | 21 |
| 116 | Leven power station | Fife | 21 |
| 117 | Pimbo power station | Lancashire | 20 |
| 118 | Abercorn power station | Renfrewshire | 20 |
| 119 | Bancroft power station | Lancashire | 20 |
| 120 | Chadderton power station | Oldham | 20 |
| 121 | Chatterley power station | Stoke-on-Trent | 20 |
| 122 | Exeter Peaker power station | Devon | 20 |
| 123 | Harelaw power station | Inverclyde | 20 |
| 124 | Hillhouse power station | Blackpool | 20 |
| 125 | Knowsley power station | Knowsley | 20 |
| 126 | Llandarcy power station | Neath Port Talbot | 20 |
| 127 | Peterborough Peaker power station | Peterborough | 20 |
| 128 | Redditch power station | Redditch | 20 |
| 129 | Little Barford GT | England | 17 |
| 130 | Chippenham | England | 10 |