| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Ramu | Hydro | Papua New Guinea | 75 |
| 2 | Hides | Gas | Papua New Guinea | 72 |
| 3 | Ok Menga | Hydro | Papua New Guinea | 57 |
| 4 | Ok Tedi | Oil | Papua New Guinea | 45 |
| 5 | Lae | Oil | Papua New Guinea | 30 |
| 6 | Lihir | Geothermal | Papua New Guinea | 30 |
| 7 | Kanudi | Oil | Papua New Guinea | 24 |
| 8 | Yonki Toe of Dam | Hydro | Papua New Guinea | 18 |
| 9 | Tabubil | Oil | Papua New Guinea | 16 |
| 10 | Porgera | Oil | Papua New Guinea | 13 |
| 11 | Pauanda | Hydro | Papua New Guinea | 12 |
| 12 | Ulagunan | Oil | Papua New Guinea | 8 |
| 13 | Tolkuma | Oil | Papua New Guinea | 4 |
| 14 | Lake Hargy | Hydro | Papua New Guinea | 2 |
| 15 | Sirinumu Dam | Hydro | Papua New Guinea | 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.