East Nusatenngara

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East Nusatenngara

Area Overview

Geothermal Area Profile

Location: East Nusa Tenggara, Republic of Indonesia

Exploration Region: Indonesia 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: -8.6316959986161°, 121.20902299609°

Resource Estimate

Mean Reservoir Temp: 285°C558.15 K
545 °F
1,004.67 °R

Estimated Reservoir Volume: 275.4 km³275,400,000,000 m³
66.072 mi³
9,725,659,214,963.398 ft³
360,209,600,472.6 yd³
275,399,999,999,999.938 L

Mean Capacity: 1.8 MW1,800 kW
1,800,000 W
1,800,000,000 mW
0.0018 GW
1.8e-6 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 0

No geothermal plants listed.

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity:

Net Production Capacity:

Owners  :

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:
  • "f" 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): 285°C558.15 K
545 °F
1,004.67 °R

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 100m0.1 km
0.0621 mi
328.084 ft
109.361 yd

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

Average Depth to Reservoir: 550m0.55 km
0.342 mi
1,804.462 ft
601.486 yd

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Geology of the Area

Geologic Setting

Tectonic Setting:

Controlling Structure:

Topographic Features:

Brophy Model: Type B: Andesitic Volcanic Resource

Moeck-Beardsmore Play Type: CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive"CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive" is not in the list of possible values (CV-1a: Magmatic - Extrusive, CV-1b: Magmatic - Intrusive, CV-2a: Plutonic - Recent or Active Volcanism, CV-2b: Plutonic - Inactive Volcanism, CV-3: Extensional Domain, CD-1: Intracratonic Basin, CD-2: Orogenic Belt, CD-3: Crystalline Rock - Basement) for this property.

Geologic Features

Modern Geothermal Features:

Relict Geothermal Features:

Volcanic Age:

Host Rock Age:

Host Rock Lithology:

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

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  1. 1.0 1.1 1.2 1.3 1.4 Takehiro KOSEKI1 and Kazuo NAKASHIMA2. 2006. Geothermal Structure And Feature Of Sulfide Minerals Of The Mataloko Geothermal Field, Flores Island, Indonesia. Proceedings of 7th Asian Geothermal Symposium; China: 7th Asian Geothermal Symposium.
  2. PLTP Mataloko- East Nusatenggara

List of existing Geothermal Resource Areas.

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