| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Kilroot | Coal | United Kingdom | 824 |
| 2 | Ballylumford C | Gas | United Kingdom | 616 |
| 3 | Ballylumford B | Gas | United Kingdom | 540 |
| 4 | Coolkeeragh | Gas | United Kingdom | 408 |
| 5 | Kilroot OCGT | Gas | United Kingdom | 142 |
| 6 | Ballylumford B OCGT | Gas | United Kingdom | 116 |
| 7 | Slieve Kirk | Wind | United Kingdom | 74 |
| 8 | Coolkeeragh OCGT | Gas | United Kingdom | 53 |
| 9 | Brockaghboy Wind Farm | Wind | United Kingdom | 48 |
| 10 | Glenconway | Wind | United Kingdom | 46 |
| 11 | Windyhill Road (Dunbeg) Wind Farm | Wind | United Kingdom | 42 |
| 12 | Pollnalaght (Cornavarrow) | Wind | United Kingdom | 38 |
| 13 | Tievenameenta | Wind | United Kingdom | 34 |
| 14 | Curraghamulkin (Dooish Wind Farm) | Wind | United Kingdom | 30 |
| 15 | Slieve Divena | Wind | United Kingdom | 30 |
| 16 | Tappaghan Wind Farm | Wind | United Kingdom | 28 |
| 17 | Glenconway 2 (formerly Altahullion Phase III) | Wind | United Kingdom | 28 |
| 18 | Long Mountain | Wind | United Kingdom | 28 |
| 19 | Altahullion | Wind | United Kingdom | 26 |
| 20 | Former Maghaberry Airfield | Solar | United Kingdom | 26 |
| 21 | Hillside Solar Farm | Solar | United Kingdom | 25 |
| 22 | Bann Road (Tullaghans Road) | Solar | United Kingdom | 25 |
| 23 | Castlecraig | Wind | United Kingdom | 25 |
| 24 | Gruig | Wind | United Kingdom | 25 |
| 25 | Elginny Hill Resubmission | Wind | United Kingdom | 22 |
| 26 | Dunmore | Wind | United Kingdom | 21 |
| 27 | Rathsherry (Revised Application) | Wind | United Kingdom | 21 |
| 28 | Townlands of Carrickatane | Wind | United Kingdom | 21 |
| 29 | Hunter's Hill | Wind | United Kingdom | 20 |
| 30 | Land approx 75m South of 141 | Wind | United Kingdom | 20 |
| 31 | Screggagh | Wind | United Kingdom | 20 |
| 32 | Slieve Divena Phase 2 Wind Farm | Wind | United Kingdom | 19 |
| 33 | Church Hill | Wind | United Kingdom | 18 |
| 34 | Bann Road (Rasharkin) | Solar | United Kingdom | 18 |
| 35 | Altaveedan Wind Farm | Wind | United Kingdom | 18 |
| 36 | Shantavny Scotch | Wind | United Kingdom | 16 |
| 37 | Crockagarran | Wind | United Kingdom | 15 |
| 38 | Crockandun | Wind | United Kingdom | 15 |
| 39 | Curryfree Wind Farm | Wind | United Kingdom | 15 |
| 40 | Evermore Renewable Energy (CHP) / Lisahally Power Station | Biomass | United Kingdom | 15 |
| 41 | Garves Mountain Farm | Wind | United Kingdom | 15 |
| 42 | Gortfinbar | Wind | United Kingdom | 15 |
| 43 | Ora More | Wind | United Kingdom | 15 |
| 44 | Carn Hill | Wind | United Kingdom | 14 |
| 45 | Cregganconroe | Wind | United Kingdom | 14 |
| 46 | Eglish Mountain | Wind | United Kingdom | 14 |
| 47 | Inishative | Wind | United Kingdom | 14 |
| 48 | Seegronan | Wind | United Kingdom | 14 |
| 49 | Ballinderry Road Solar Phase 1 (Lisburn) | Solar | United Kingdom | 14 |
| 50 | Ballygarvey Road | Solar | United Kingdom | 13 |
| 51 | Crockdun | Wind | United Kingdom | 12 |
| 52 | Cloonty Wind Farm | Wind | United Kingdom | 12 |
| 53 | Monnaboy Wind Farm | Wind | United Kingdom | 12 |
| 54 | Altahullion Extension | Wind | United Kingdom | 12 |
| 55 | Teiges | Wind | United Kingdom | 11 |
| 56 | Brockaghboy Wind Farm - extension | Wind | United Kingdom | 10 |
| 57 | Lands West of Belfast Road | Solar | United Kingdom | 10 |
| 58 | Wolf Bog | Wind | United Kingdom | 10 |
| 59 | Glenbuck | Wind | United Kingdom | 9 |
| 60 | Thornog Windfarm | Wind | United Kingdom | 9 |
| 61 | Thornog Windfarm Extension | Wind | United Kingdom | 9 |
| 62 | Bessy Bell 2 | Wind | United Kingdom | 9 |
| 63 | Bin Mountain Wind Farm | Wind | United Kingdom | 9 |
| 64 | Tappaghan Extension | Wind | United Kingdom | 9 |
| 65 | Laurelhill | Solar | United Kingdom | 8 |
| 66 | Lough Hill | Wind | United Kingdom | 8 |
| 67 | Crockbaravally Wind Farm | Wind | United Kingdom | 8 |
| 68 | Lendrum's Bridge Extension | Wind | United Kingdom | 7 |
| 69 | Altamuskin | Wind | United Kingdom | 7 |
| 70 | Altamuskin Extension | Wind | United Kingdom | 7 |
| 71 | Ballinderry Road Solar Phase 2 (Lisburn) | Solar | United Kingdom | 7 |
| 72 | Eshmore | Wind | United Kingdom | 7 |
| 73 | Glenbuck II | Wind | United Kingdom | 7 |
| 74 | Slieveglass | Wind | United Kingdom | 7 |
| 75 | Knockcairn Road | Solar | United Kingdom | 6 |
| 76 | NI Cluster Moira Road | Solar | United Kingdom | 6 |
| 77 | South Antrim Solar Park - Phase 1 | Solar | United Kingdom | 6 |
| 78 | Ballyboley Solar (Carrowdore) | Solar | United Kingdom | 6 |
| 79 | Millar Farm | Solar | United Kingdom | 6 |
| 80 | 289 Finvoy Road | Solar | United Kingdom | 6 |
| 81 | Lendrum's Bridge | Wind | United Kingdom | 6 |
| 82 | NI Cluster Lough Road | Solar | United Kingdom | 5 |
| 83 | Owenreagh Extension | Wind | United Kingdom | 5 |
| 84 | Tullynaskeagh | Solar | United Kingdom | 5 |
| 85 | Bessy Bell 1 | Wind | United Kingdom | 5 |
| 86 | Brackagh Quarry | Wind | United Kingdom | 5 |
| 87 | Corby Knowe | Wind | United Kingdom | 5 |
| 88 | Corkey | Wind | United Kingdom | 5 |
| 89 | Dunore | Solar | United Kingdom | 5 |
| 90 | Elliot's Hill | Wind | United Kingdom | 5 |
| 91 | Owenreagh Wind Farm | Wind | United Kingdom | 5 |
| 92 | Rigged Hill | Wind | United Kingdom | 5 |
| 93 | Dale Farm | Solar | United Kingdom | 5 |
| 94 | Crookedstone | Solar | United Kingdom | 5 |
| 95 | Ballymena | Wind | United Kingdom | 5 |
| 96 | Clondermot Turbines | Wind | United Kingdom | 5 |
| 97 | The Michelin Tyre Factory - Ballymena | Wind | United Kingdom | 5 |
| 98 | Bombardier Factory | Solar | United Kingdom | 4 |
| 99 | Cottonmount Quarry | Waste | United Kingdom | 3 |
| 100 | Granville Ecopark | Biomass | United Kingdom | 3 |
| 101 | Tully Quarry | Biomass | United Kingdom | 3 |
| 102 | Balcas Timber Biomass CHP Plant | Biomass | United Kingdom | 2 |
| 103 | Corkey Wind Farm Extension (Resubmission) | Wind | United Kingdom | 2 |
| 104 | Crockagarron Ext | Wind | United Kingdom | 2 |
| 105 | Wind Turbine 1 | Wind | United Kingdom | 2 |
| 106 | BH Energy - Biogas (AD) | Biomass | United Kingdom | 2 |
| 107 | Tyrone Energy 1 | Biomass | United Kingdom | 2 |
| 108 | Crockbrack | Wind | United Kingdom | 2 |
| 109 | Newry Biomass Phase 1 (Gasification) | Biomass | United Kingdom | 2 |
| 110 | Connaught Road | Wind | United Kingdom | 2 |
| 111 | Gortahurk Road | Biomass | United Kingdom | 2 |
| 112 | Gilford Road | Solar | United Kingdom | 1 |
| 113 | Airport Road West | Biomass | United Kingdom | 1 |
| 114 | SeaGen Tidal Farm | Wave and Tidal | United Kingdom | 1 |
| 115 | Reservoir Road (Farm AD) | Biomass | United Kingdom | 1 |
| 116 | 14 Tullywiggan Road | Biomass | United Kingdom | 1 |
| 117 | Craigahulliar Landfill Gas | Waste | United Kingdom | 1 |
| 118 | Magherafelt | Wind | United Kingdom | 1 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); CO₂ measured for US EPA GHGRP / EU ETS records and modelled for Climate TRACE records. Sorted server-side; click any column to re-sort. Company-level data only.
Kilroot (United Kingdom) ranks #1 with 824 mw.
This ranking covers 118 power plants in in Northern Ireland, United Kingdom.
1. Kilroot (824); 2. Ballylumford C (616); 3. Ballylumford B (540).