East Nusatenngara

From Open Energy Information

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: -8.6317°, 121.2089°

Resource Estimate

Mean Reservoir Temp: 285°C
558.15 K
545 °F
1,004.67 °R

Estimated Reservoir Volume: 275.4 km³
275,400,000,000 m³
66.072 mi³
9,725,659,214,963.4 ft³
360,209,600,472.6 yd³
275,399,999,999,999.938 L

Mean Capacity: 1.8 MW
1,800 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:

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°C
558.15 K
545 °F
1,004.67 °R

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 100m
0.1 km
0.0621 mi
328.084 ft
109.361 yd

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

Average Depth to Reservoir: 550m
0.55 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

No exploration activities listed on OpenEI.


  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.

<metadesc> East Nusatenngara is a known Geothermal Resource Area. </metadesc>