| # | Plant | Fuel | Country | t CO₂/yr |
|---|---|---|---|---|
| 1 | Great Island | Oil | Ireland | 531,350 |
| 2 | Whitegate | Gas | Ireland | 514,040 |
| 3 | Dublin Bay Power | Gas | Ireland | 467,830 |
| 4 | Tynagh | Gas | Ireland | 382,540 |
| 5 | Sealrock (Aughinish CHP) | Gas | Ireland | 274,930 |
| 6 | Rhode | Oil | Ireland | 168,180 |
| 7 | Tarbert | Oil | Ireland | 126,540 |
| 8 | Edenderry | Oil | Ireland | 97,155 |
| 9 | Winthrop Dublin power station | Gas | Ireland | 96,062 |
| 10 | Castlelost Flexgen power station | Gas | Ireland | 88,944 |
| 11 | Cushaling | Oil | Ireland | 30,236 |
| 12 | Tawnaghmore | Oil | Ireland | 28,078 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); CO₂ from EPA/EU ETS/Climate TRACE; 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.
