Gumuskoy Geothermal Area

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Gumuskoy Geothermal Area

Area Overview

Geothermal Area Profile

Location: Aydin, Turkey

Exploration Region: Aegean-West Anatolian Extensional 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: 37.856911459471°, 27.499418640137°

Resource Estimate

Mean Reservoir Temp: 140°C413.15 K
284 °F
743.67 °R

Estimated Reservoir Volume:

Mean Capacity: 13.2 MW13,200 kW
13,200,000 W
13,200,000,000 mW
0.0132 GW
1.32e-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:

Net Production Capacity:

Owners  :
  • BM Holdings

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:
  • "c" 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: 312

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured): 182°C455.15 K
359.6 °F
819.27 °R

Sanyal Classification (Reservoir):

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

Depth to Bottom of Reservoir: 2000 m2 km
1.243 mi
6,561.68 ft
2,187.22 yd

Average Depth to Reservoir:

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Geology of the Area

Geologic Setting

Tectonic Setting: Extensional Tectonics, Strike-Slip

Controlling Structure: Fault Intersection

Topographic Features: Horst and Graben

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: Hydrothermal Alteration

Volcanic Age:

Host Rock Age: Paleozic

Host Rock Lithology: Marble

Cap Rock Age: Paleozoic

Cap Rock Lithology: Gneiss

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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. Sakir Simsek. 2003. Hydrogeological and isotopic survey ofgeothermal fields in the Buyuk Menderes graben, Turkey. Geothermics. 32(1):669-678.
  2. Benjamin Matek. Geo-energy [Internet]. Geothermal Energy Association. [updated 2015/04/28;cited 2015/04/28]. Available from:
  3. 3.0 3.1

List of existing Geothermal Resource Areas.

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