Wairakei-Poihipi Geothermal Area

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Wairakei-Poihipi Geothermal Area

Area Overview

Geothermal Area Profile

Location: New Zealand

Exploration Region: Taupo Volcanic Zone

GEA Development Phase: Operational"Operational" is not in the list of possible values (Phase I - Resource Procurement and Identification, Phase II - Resource Exploration and Confirmation, Phase III - Permitting and Initial Development, Phase IV - Resource Production and Power Plant Construction) for this property.

Coordinates: -38.63481502408°, 176.07561395923°

Resource Estimate

Mean Reservoir Temp: 210°C483.15 K
410 °F
869.67 °R

Estimated Reservoir Volume: 22.5 km³22,500,000,000 m³
5.398 mi³
794,580,001,222.5 ft³
29,428,888,927.5 yd³
22,500,000,000,000 L

Mean Capacity: 352 MW352,000 kW
352,000,000 W
352,000,000,000 mW
0.352 GW
3.52e-4 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 2

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Developing Power Projects: 1

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Power Production Profile

Gross Production Capacity: 226 MW226,000 kW
226,000,000 W
226,000,000,000 mW
0.226 GW
2.26e-4 TW

Net Production Capacity:

Owners  :
  • Contact Energy

Power Purchasers :

Other Uses:

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Regulatory and Environmental Issues

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Exploration History

First Discovery Well

Completion Date:

Well Name:



Initial Flow Rate:
  • "aae" is not declared as a valid unit of measurement for this property.
  • The given value was not understood.

Flow Test Comment:

Initial Temperature:

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Well Field Description

Well Field Information

Development Area:

Number of Production Wells:

Number of Injection Wells:

Number of Replacement Wells:

Average Temperature of Geofluid:

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 500 m0.5 km
0.311 mi
1,640.42 ft
546.805 yd

Depth to Bottom of Reservoir: 2000 m2 km
1.243 mi
6,561.68 ft
2,187.22 yd

Average Depth to Reservoir: 1250m1.25 km
0.777 mi
4,101.05 ft
1,367.013 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Extensional Tectonics, Subduction Zone

Controlling Structure: Fault Intersection

Topographic Features: Caldera Depression

Brophy Model: Type E: Extensional Tectonic, Fault-Controlled Resource

Moeck-Beardsmore Play Type: CV-3: Extensional Domain

Geologic Features

Modern Geothermal Features:

Relict Geothermal Features:

Volcanic Age: Recent

Host Rock Age: Quaternary

Host Rock Lithology: Volcaniclastic

Cap Rock Age:

Cap Rock Lithology:

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Geofluid Geochemistry


Salinity (low):

Salinity (high):

Salinity (average):

Brine Constituents:

Water Resistivity:

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NEPA-Related Analyses (0)

Below is a list of NEPA-related analyses that have been conducted in the area - and logged on OpenEI. To add an additional NEPA-related analysis, see the NEPA Database.

CSV No NEPA-related documents listed.

Exploration Activities (0)

Below is a list of Exploration that have been conducted in the area - and cataloged on OpenEI. Add.png Add a new Exploration Activity

No exploration activities listed on OpenEI.


  1. 1.0 1.1 1.2 Ruggero Bertani. 2005. World Geothermal Power Generation 2001-2005. Proceedings of World Geothermal Congress; Turkey: World Geothermal Congress.
  2. Benjamin Matek. Geo-energy [Internet]. Geothermal Energy Association. [updated 2015/04/28;cited 2015/04/28]. Available from: http://geo-energy.org/

List of existing Geothermal Resource Areas.

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