Fang Geothermal Area

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Fang Geothermal Area

Area Overview

Geothermal Area Profile

Location: Fang, Thailand

Exploration Region: Thailand 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: 19.961375716244°, 99.108725054657°

Resource Estimate

Mean Reservoir Temp: 145°C418.15 K
293 °F
752.67 °R

Estimated Reservoir Volume:

Mean Capacity: 0.3 MW300 kW
300,000 W
300,000,000 mW
3.0e-4 GW
3.0e-7 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: 0.3 MW300 kW
300,000 W
300,000,000 mW
3.0e-4 GW
3.0e-7 TW

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:
  • "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:

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: 268 m0.268 km
0.167 mi
879.265 ft
293.087 yd

Depth to Bottom of Reservoir: 417 m0.417 km
0.259 mi
1,368.11 ft
456.035 yd

Average Depth to Reservoir: 343 m0.343 km
0.213 mi
1,125.328 ft
375.108 yd

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Geology of the Area

Geologic Setting

Tectonic Setting:

Controlling Structure: Major Normal Fault

Topographic Features:

Brophy Model: Type B: Andesitic Volcanic Resource

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

Geologic Features

Modern Geothermal Features: Hot Springs

Relict Geothermal Features: Silica Deposition

Volcanic Age:

Host Rock Age:

Host Rock Lithology: Granite

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. Pongpor Asnachinda, Surachai Praserdvigai William G. Prewett and Mayuree Promphutha. 12/1999. Geochemical and Isotopic Investigations of Fang Geothermal System, Northern Thailand. Chaing Mai Journel of Science. 26(2):1-2.
  2. Benjamin Matek. Geo-energy [Internet]. Geothermal Energy Association. [updated 2015/04/28;cited 2015/04/28]. Available from:
  3. 3.0 3.1 Fongsaward Suvagondha Singharajwarapan, Spencer H. Wood, Natthaporn Prommakorn3, and Lara Owens. 2012. Northern Thailand Geothermal Resources and Development—A Review and 2012 Update. Proceedings of Geothermal Resouces Council; Boise State University: Geothermal Resources Council.

List of existing Geothermal Resource Areas.

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