| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Tynagh | Gas | Ireland | 404 |
| 2 | Cashla Peaker Power Station | Gas | Ireland | 334 |
| 3 | Tawnaghmore | Oil | Ireland | 104 |
| 4 | Derrybrien | Wind | Ireland | 60 |
| 5 | Gavagh Glebe | Wind | Ireland | 26 |
| 6 | Tullynamoyle | Wind | Ireland | 22 |
| 7 | Raheen Barr | Wind | Ireland | 19 |
| 8 | Derrynadivva | Wind | Ireland | 8 |
| 9 | Altagowlan | Wind | Ireland | 8 |
| 10 | Bellacorick | Wind | Ireland | 6 |
| 11 | Largan Hill | Wind | Ireland | 6 |
| 12 | Geevagh | Wind | Ireland | 5 |
| 13 | Lenanavea | Wind | Ireland | 4 |
| 14 | Cuillalea | Wind | Ireland | 3 |
| 15 | Mace Upper | Wind | Ireland | 2 |
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.
Tynagh (Ireland) ranks #1 with 404 mw.
This ranking covers 15 power plants in in Connaught, Ireland.
1. Tynagh (404); 2. Cashla Peaker Power Station (334); 3. Tawnaghmore (104).