55 gas power plants in United Kingdom, totalling 29,916 MW of installed capacity — ranked by size, from open data.
| # | Plant | Region | MW |
|---|---|---|---|
| 1 | Pembroke | Wales | 2,180 |
| 2 | Staythorpe C | England | 1,772 |
| 3 | Didcot B | England | 1,470 |
| 4 | Connahs Quay | Wales | 1,380 |
| 5 | West Burton CCGT | England | 1,332 |
| 6 | South Humber Bank | England | 1,310 |
| 7 | Saltend | England | 1,200 |
| 8 | Peterhead | Scotland | 1,180 |
| 9 | Langage | England | 905 |
| 10 | Carrington | England | 900 |
| 11 | Spalding | England | 880 |
| 12 | Severn Power | Wales | 850 |
| 13 | Marchwood | England | 842 |
| 14 | Sutton Bridge | England | 819 |
| 15 | Seabank 1 | England | 812 |
| 16 | Rocksavage | England | 810 |
| 17 | Damhead Creek | England | 805 |
| 18 | Coryton | England | 800 |
| 19 | Little Barford | England | 720 |
| 20 | Rye House | England | 715 |
| 21 | Medway | England | 700 |
| 22 | Ballylumford C | Northern Ireland | 616 |
| 23 | Killingholme | England | 600 |
| 24 | Ballylumford B | Northern Ireland | 540 |
| 25 | Baglan Bay CCGT | Wales | 520 |
| 26 | Deeside | Wales | 515 |
| 27 | Great Yarmouth | England | 420 |
| 28 | Shoreham | England | 420 |
| 29 | Seabank 2 | England | 410 |
| 30 | Coolkeeragh | Northern Ireland | 408 |
| 31 | Enfield | England | 408 |
| 32 | Corby | England | 401 |
| 33 | Cottam Development Centre | England | 395 |
| 34 | Peterborough | England | 240 |
| 35 | Barry | Wales | 235 |
| 36 | Glanford Brigg | England | 150 |
| 37 | Taylor's Lane GT | England | 144 |
| 38 | Kilroot OCGT | Northern Ireland | 142 |
| 39 | Cowes | England | 140 |
| 40 | Ballylumford B OCGT | Northern Ireland | 116 |
| 41 | Didcot GT | England | 100 |
| 42 | Drax GT | England | 75 |
| 43 | Blackburn | England | 59 |
| 44 | Castleford | England | 56 |
| 45 | Grain GT | England | 56 |
| 46 | Sandbach | England | 56 |
| 47 | Coolkeeragh OCGT | Northern Ireland | 53 |
| 48 | Aberthaw GT | Wales | 51 |
| 49 | Thornhill | England | 50 |
| 50 | West Burton GT | England | 40 |
| 51 | Ratcliffe GT | England | 34 |
| 52 | Baglan Bay OCGT | Wales | 32 |
| 53 | Keadby GT | England | 25 |
| 54 | Little Barford GT | England | 17 |
| 55 | Chippenham | England | 10 |
WRI Global Power Plant Database (CC BY 4.0).