| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Manapouri | Hydro | New Zealand | 800 |
| 2 | Ohau A | Hydro | New Zealand | 688 |
| 3 | Benmore | Hydro | New Zealand | 540 |
| 4 | Huntly (steam) | Coal | New Zealand | 500 |
| 5 | Clyde | Hydro | New Zealand | 432 |
| 6 | Huntly (CC) | Gas | New Zealand | 403 |
| 7 | Maraetai | Hydro | New Zealand | 352 |
| 8 | Aviemore | Hydro | New Zealand | 220 |
| 9 | Arapuni | Hydro | New Zealand | 192 |
| 10 | Tekapo | Hydro | New Zealand | 179 |
| 11 | Whirinaki | Oil | New Zealand | 155 |
| 12 | West Wind | Wind | New Zealand | 143 |
| 13 | Nga Awa Purua | Geothermal | New Zealand | 138 |
| 14 | Wairakei | Geothermal | New Zealand | 132 |
| 15 | Ohaaki | Geothermal | New Zealand | 122 |
| 16 | mokai | Geothermal | New Zealand | 112 |
| 17 | Ohakuri | Hydro | New Zealand | 106 |
| 18 | Kawerau | Geothermal | New Zealand | 100 |
| 19 | Whakamaru | Hydro | New Zealand | 98 |
| 20 | Karapiro | Hydro | New Zealand | 96 |
| 21 | Te Apiti | Wind | New Zealand | 91 |
| 22 | Waitaki | Hydro | New Zealand | 90 |
| 23 | Waipori | Hydro | New Zealand | 83 |
| 24 | Aratiatia | Hydro | New Zealand | 78 |
| 25 | Atiamuri | Hydro | New Zealand | 74 |
| 26 | Te Uku | Wind | New Zealand | 64 |
| 27 | Huntly (unit 6) | Gas | New Zealand | 60 |
| 28 | Matahina | Hydro | New Zealand | 60 |
| 29 | Tuai | Hydro | New Zealand | 60 |
| 30 | Mill Creek | Wind | New Zealand | 60 |
| 31 | White Hill | Wind | New Zealand | 58 |
| 32 | Waipapa | Hydro | New Zealand | 54 |
| 33 | Te Rapa | Gas | New Zealand | 44 |
| 34 | Piripaua | Hydro | New Zealand | 42 |
| 35 | Coleridge | Hydro | New Zealand | 39 |
| 36 | Mahinerangi | Wind | New Zealand | 36 |
| 37 | Rotokawa | Geothermal | New Zealand | 34 |
| 38 | Cobb | Hydro | New Zealand | 32 |
| 39 | Patea | Hydro | New Zealand | 32 |
| 40 | Highbank | Hydro | New Zealand | 29 |
| 41 | Te Huka Binary | Geothermal | New Zealand | 28 |
| 42 | Paerau and Patearoa | Hydro | New Zealand | 12 |
| 43 | Hai Nui | Wind | New Zealand | 7 |
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.
