| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Moneypoint power station | Coal | Ireland | 915 |
| 2 | Aghada | Gas | Ireland | 528 |
| 3 | Tarbert | Oil | Ireland | 488 |
| 4 | Poolbeg Combined Cycle | Gas | Ireland | 480 |
| 5 | Whitegate | Gas | Ireland | 445 |
| 6 | Aghada CCGT | Gas | Ireland | 435 |
| 7 | Dublin Bay Power | Gas | Ireland | 415 |
| 8 | Huntstown Phase II | Gas | Ireland | 404 |
| 9 | Tynagh | Gas | Ireland | 388 |
| 10 | Huntstown | Gas | Ireland | 343 |
| 11 | Turlough Hill | Hydro | Ireland | 292 |
| 12 | Great Island | Oil | Ireland | 216 |
| 13 | Sealrock (Aughinish CHP) | Gas | Ireland | 166 |
| 14 | West Offaly Power | Biomass | Ireland | 137 |
| 15 | Edenderry | Oil | Ireland | 118 |
| 16 | Cushaling | Oil | Ireland | 116 |
| 17 | Rhode | Oil | Ireland | 104 |
| 18 | Tawnaghmore | Oil | Ireland | 104 |
| 19 | Marina No ST | Gas | Ireland | 88 |
| 20 | Knockacummer 1 | Wind | Ireland | 87 |
| 21 | Ardnacrusha | Hydro | Ireland | 86 |
| 22 | Mount Lucas | Wind | Ireland | 84 |
| 23 | Meentycat | Wind | Ireland | 72 |
| 24 | Dublin Waste power station | Biomass | Ireland | 68 |
| 25 | Boggeragh 2 | Wind | Ireland | 67 |
| 26 | Derrybrien | Wind | Ireland | 60 |
| 27 | Winthrop Dublin power station | Gas | Ireland | 59 |
| 28 | Sliabh Bawn | Wind | Ireland | 58 |
| 29 | Boggeragh | Wind | Ireland | 57 |
| 30 | Castlelost Flexgen power station | Gas | Ireland | 55 |
| 31 | Lisheen | Wind | Ireland | 54 |
| 32 | Bindoo | Wind | Ireland | 48 |
| 33 | Cloghboola | Wind | Ireland | 46 |
| 34 | Kilgarvan | Wind | Ireland | 45 |
| 35 | Knocknagoum | Wind | Ireland | 44 |
| 36 | Garracummer | Wind | Ireland | 42 |
| 37 | Ballywater | Wind | Ireland | 42 |
| 38 | Castledockrell | Wind | Ireland | 41 |
| 39 | Coomacheo | Wind | Ireland | 41 |
| 40 | Bruckana | Wind | Ireland | 40 |
| 41 | Kill Hill | Wind | Ireland | 37 |
| 42 | Raheenleagh Wind Farm | Wind | Ireland | 36 |
| 43 | Mountain Lodge | Wind | Ireland | 34 |
| 44 | Glenough | Wind | Ireland | 32 |
| 45 | Monaincha Bog (Gate 3) | Wind | Ireland | 32 |
| 46 | Barranafaddock | Wind | Ireland | 32 |
| 47 | Lee | Hydro | Ireland | 27 |
| 48 | Gavagh Glebe | Wind | Ireland | 26 |
| 49 | Taurbeg | Wind | Ireland | 25 |
| 50 | Tullynamoyle | Wind | Ireland | 22 |
| 51 | Raheen Barr | Wind | Ireland | 19 |
| 52 | Meath power station | Biomass | Ireland | 17 |
| 53 | Ballincollig Hill | Wind | Ireland | 13 |
| 54 | Derrynadivva | Wind | Ireland | 8 |
| 55 | Altagowlan | Wind | Ireland | 8 |
| 56 | Bellacorick | Wind | Ireland | 6 |
| 57 | Largan Hill | Wind | Ireland | 6 |
| 58 | Geevagh | Wind | Ireland | 5 |
| 59 | Lenanavea | Wind | Ireland | 4 |
| 60 | Cuillalea | Wind | Ireland | 3 |
| 61 | Ballinlough/Ikerrin | Wind | Ireland | 2 |
| 62 | Mace Upper | Wind | Ireland | 2 |
| 63 | Crocane | Wind | Ireland | 2 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); measured CO₂ where reported to US EPA GHGRP, EU ETS or Climate TRACE. Sorted server-side; click any column to re-sort. Company-level data only.