Wairakei-Poihipi Geothermal Area

GEOTHERMAL ENERGY

Area Overview

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Geothermal Area Profile

Location:	New Zealand
Exploration Region:	Taupo Volcanic Zone
GEA Development Phase:	Operational"Operational" is not in the list (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) of allowed values for the "GEADevelopmentPhase" property.
Coordinates:	-38° 38' 5.33", 176° 4' 32.21"

Resource Estimate

Mean Reservoir Temp:	210°C483.15 K <br />410 °F <br />869.67 °R <br />
Estimated Reservoir Volume:	22.5 km³22,500,000,000 m³ <br />29,428,888,927.5 yd³ <br />22,500,000,000,000 L <br />141,520,742,325 bbl(oil) <br />188,694,323,122.5 bbl(US) <br />
Mean Capacity:	352 MW352,000 kW <br />352,000,000 W <br />352,000,000,000 mW <br />0.352 GW <br />3.52e-4 TW <br />
USGS Mean Reservoir Temp:
USGS Estimated Reservoir Volume:
USGS Mean Capacity:

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History and Infrastructure

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Operating Power Plants: 2

Poihipi Power Station Wairakei Geothermal Power Plant

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Developing Power Projects: 1

Te Mihi Power Station (166 MW166,000 kW <br />166,000,000 W <br />166,000,000,000 mW <br />0.166 GW <br />1.66e-4 TW <br /> MW, Phase IV - Resource Production and Power Plant Construction)

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Power Production Profile

Gross Production Capacity:	226 MW226,000 kW <br />226,000,000 W <br />226,000,000,000 mW <br />0.226 GW <br />2.26e-4 TW <br />
Net Production Capacity:	0.0e+0 MW0 kW <br />0 W <br />0 mW <br />0 GW <br />0 TW <br />
Owners  :	Contact Energy
Power Purchasers :
Other Uses:

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Regulatory and Environmental Issues

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Exploration History

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First Discovery Well

Completion Date:
Well Name:
Location:
Depth:
Initial Flow Rate:
Flow Test Comment:
Initial Temperature:

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Well Field Description

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Well Field Information

Development Area:	0.0e+0
Number of Production Wells:
Number of Injection Wells:
Number of Replacement Wells:
Average Temperature of Geofluid:	0.0e+0
Sanyal Classification (Wellhead):
Reservoir Temp (Geothermometry):
Reservoir Temp (Measured):
Sanyal Classification (Reservoir):
Depth to Top of Reservoir:	500 m0.5 km <br />0.311 mi <br />1,640.42 ft <br />546.805 yd <br />
Depth to Bottom of Reservoir:	2000 m2 km <br />1.243 mi <br />6,561.68 ft <br />2,187.22 yd <br />
Average Depth to Reservoir:	1250m1.25 km <br />0.777 mi <br />4,101.05 ft <br />1,367.013 yd <br />

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Geology of the Area

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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

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Geochemistry

Salinity (low):
Salinity (high):
Salinity (average):
Brine Constituents:
Water Resistivity:

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NEPA-Related Analyses (0)

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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)

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

No exploration activities listed on OpenEI.

References

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List of existing Geothermal Resource Areas.

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