World Power Plants

Aratiatia is a 78 MW hydro power plant in New Zealand, operated by Mercury Energy since 1964. Ranked #14 of 24 hydro plants in New Zealand. Its 78 MW constitutes 1.78% of New Zealand's total hydro capacity of 4,388 MW. The largest hydro plant in New Zealand is Manapouri at 800 MW, making Aratiatia 10.3 times smaller. Within 50 km, the nearest plants are Maraetai (352 MW, Hydro), Nga Awa Purua (138 MW, Geothermal), and Wairakei (132 MW, Geothermal). The facility is located in the Waikato region, approximately 30 km southeast of Taupo.

Capacity
78 MW
Commissioning Year
1964

62 years old

Owner
Mercury Energy
Location
-38.6158°, 176.1425°

New Zealand, Oceania

Context & rankings
  • 24. largest of 43 plants in New Zealand
  • #11,306 worldwide by installed capacity
  • #2,628 of 8,493 Hydroelectric plants worldwide
  • 1.17% of the installed capacity of New Zealand
Age & fleet comparison

62 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Mercury Energy operates 12 plants totalling 1,434 MW

Regional density

16 plants within 100 km, 1,758 MW combined

Nearest plant: Wairakei (3.4 km)

Data provenance

Location

Coordinates:: -38.615800, 176.142500
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Aratiatia is a hydro power plant producing approximately 273 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
New Zealand
Continent
Oceania
Data Source
Global Power Plant Database

New ZealandEnergy Profile

43
Total Plants
6.7 GW
Total Capacity
HydroGeothermalGasCoal
Top Fuels

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