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Meridian Energy — power plant portfolio

Meridian Energy operates 11 power plants across 2 countries, with a combined installed capacity of 2,755 MW.

11power plants
2,755MW total capacity
2countries
t CO₂/yr (source-labelled)

Fleet by fuel

Wind: 6 plants6WindHydro: 5 plants5Hydro

Fleet interpretation

Meridian Energy is represented here as an asset portfolio, not just a company label. The visible fleet spans 2 countries; the largest concentration is New Zealand (10), Antarctica (1).

The fuel mix by asset count is wind (6), hydro (5). The largest listed asset is Manapouri in New Zealand (800 MW), and the mean listed unit size is about 250 MW across units with capacity data.

CO₂ coverage is source-labelled: 0 plants have a reported or modelled CO₂ value in the dataset, including 0 measured records. Missing values remain blank rather than inferred as company totals.

Method: plant-level records are grouped by owner/operator label, then aggregated by country, fuel, capacity and CO₂ provenance.

All 11 plants

PlantFuelCountryMWt CO₂/yr
ManapouriHydroNew Zealand800
Ohau AHydroNew Zealand688
BenmoreHydroNew Zealand540
AviemoreHydroNew Zealand220
West WindWindNew Zealand143
Te ApitiWindNew Zealand91
WaitakiHydroNew Zealand90
Te UkuWindNew Zealand64
Mill CreekWindNew Zealand60
White HillWindNew Zealand58
Ross IslandWindAntarctica1

Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). CO₂ is measured for EPA/EU ETS records and modelled for Climate TRACE records.

Frequently asked questions

How many power plants does Meridian Energy operate?

Meridian Energy operates 11 power plants across 2 countries, with about 2,755 MW of total capacity.

What is Meridian Energy's largest power plant?

Manapouri in New Zealand is its largest at about 800 MW.

What types of power plants does Meridian Energy run?

Its fleet is mostly wind (6), hydro (5).

By Dmytro Aheiev, Inzonex Research · ORCID 0009-0001-5512-0291 · data sources and methodology