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Power plants in New Zealand

A directory of 43 power plants in New Zealand with a combined installed capacity of 6,675 MW, mapped and ranked from open data — by fuel, capacity and emissions.

43power plants
6,675MW total capacity
6fuel types
0with measured CO₂

Power mix by fuel (New Zealand)

Hydro: 24 plants24HydroWind: 7 plants7WindGeothermal: 7 plants7GeothermalGas: 3 plants3GasCoal: 1 plants1CoalOil: 1 plants1Oil

Plant counts by primary fuel, WRI Global Power Plant Database (CC BY 4.0).

New Zealand electricity grid — mix & carbon intensity (2025)

93gCO₂/kWh grid intensity
88.5%low-carbon electricity
88.5%renewables
11.5%fossil fuels
Hydro: 55 % of electricity55HydroOther Renewables: 22 % of electricity22Other Rene…Wind: 10 % of electricity10WindGas: 9 % of electricity9GasOil: 2 % of electricity2OilBioenergy: 1 % of electricity1BioenergyCoal: 1 % of electricity1CoalSolar: 1 % of electricity1Solar

Source: Ember / Our World in Data (CC BY 4.0).

Largest plants in New Zealand

#PlantFuelMW
1ManapouriHydro800
2Ohau AHydro688
3BenmoreHydro540
4Huntly (steam)Coal500
5ClydeHydro432
6Huntly (CC)Gas403
7MaraetaiHydro352
8AviemoreHydro220
9ArapuniHydro192
10TekapoHydro179
11WhirinakiOil155
12West WindWind143
13Nga Awa PuruaGeothermal138
14WairakeiGeothermal132
15OhaakiGeothermal122
16mokaiGeothermal112
17OhakuriHydro106
18KawerauGeothermal100
19WhakamaruHydro98
20KarapiroHydro96

Largest by capacity →

Browse by fuel

Hydro (24)Wind (7)Geothermal (7)Gas (3)