World Power Plants

Mokai is a 112 MW geothermal power plant located in New Zealand, operated by Mercury Energy since its commissioning in 2000. The facility utilizes geothermal energy, contributing to the country's renewable energy generation. It is the 4th largest geothermal plant in New Zealand. With 112 MW, it represents 16.82% of the country's total geothermal capacity of 666 MW. New Zealand has 7 geothermal plants with a combined capacity of 666 MW. Compared to the country's largest geothermal plant, Nga Awa Purua at 138 MW, this facility is approximately 81% the size. Geothermal energy plays a significant role in New Zealand's energy mix, providing around 13% of the country's electricity generation. The Mokai plant taps into the geothermal resources of the Taupo Volcanic Zone, which is known for its high geothermal activity. The facility is located approximately 50 km southwest of Rotorua in the central North Island region.

Capacity
112 MW
Commissioning Year
2000

26 years old

Owner
Mercury Energy
Location
-38.5312°, 175.9268°

New Zealand, Oceania

Context & rankings
  • 16. largest of 43 plants in New Zealand
  • #9,552 worldwide by installed capacity
  • #38 of 215 Geothermal plants worldwide
  • 1.68% of the installed capacity of New Zealand
Age & fleet comparison

26 years in operation

Geothermal fleet average: 26.9 years

Operator portfolio

Mercury Energy operates 12 plants totalling 1,434 MW

Regional density

15 plants within 100 km, 1,664 MW combined

Nearest plant: Atiamuri (17.6 km)

Data provenance

Location

Coordinates:: -38.531200, 175.926800
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

mokai is a geothermal power plant producing approximately 785 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~38 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Geothermal
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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