Lihir Geothermal Area

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Lihir Geothermal Area

Area Overview

Geothermal Area Profile

Location: Lihir Island, Papua New Guinea

Exploration Region: Papua New Guinea Geothermal Region

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: -3.1222328436721°, 152.63971013208°

Resource Estimate

Mean Reservoir Temp: 275°C548.15 K
527 °F
986.67 °R

Estimated Reservoir Volume: 2.8 km³2,800,000,000 m³
0.672 mi³
98,881,066,818.8 ft³
3,662,261,733.2 yd³
2,800,000,000,000 L

Mean Capacity: 56 MW56,000 kW
56,000,000 W
56,000,000,000 mW
0.056 GW
5.6e-5 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 1

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity: 56 MW56,000 kW
56,000,000 W
56,000,000,000 mW
0.056 GW
5.6e-5 TW

Net Production Capacity:

Owners  :
  • Lihir Gold

Power Purchasers :
  • General Electric

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:
  • "a" 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: 4

Number of Production Wells:

Number of Injection Wells:

Number of Replacement Wells:

Average Temperature of Geofluid: 250°C523.15 K
482 °F
941.67 °R

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 300 m0.3 km
0.186 mi
984.252 ft
328.083 yd

Depth to Bottom of Reservoir: 1000 m1 km
0.621 mi
3,280.84 ft
1,093.61 yd

Average Depth to Reservoir: 650 m0.65 km
0.404 mi
2,132.546 ft
710.847 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Subduction Zone

Controlling Structure:

Topographic Features: Caldera Depression

Brophy Model: Type C: Caldera Resource

Moeck-Beardsmore Play Type: CV-1a: Magmatic - Extrusive

Geologic Features

Modern Geothermal Features:

Relict Geothermal Features:

Volcanic Age: Pleistocene

Host Rock Age:

Host Rock Lithology: Basalt; Breccias; Tuffs

Cap Rock Age:

Cap Rock Lithology: Clay

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Geofluid Geochemistry


Salinity (low): 100000 [3]

Salinity (high):

Salinity (average):

Brine Constituents: See Section 2.1 (Brown and Bixley, 2005) [3]

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:
  3. 3.0 3.1 Geochemistry of the Lihir Geothermal Field, Papua New Guinea

List of existing Geothermal Resource Areas.

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