Ahuachapan Geothermal Area

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Ahuachapan Geothermal Area

Area Overview

Geothermal Area Profile

Location: El Salvador

Exploration Region: Central American Volcanic Arc Chain

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: 13.919391013718°, -89.816734409332°

Resource Estimate

Mean Reservoir Temp: 230°C503.15 K
446 °F
905.67 °R

Estimated Reservoir Volume: 9.39.3 m³
9.3e-9 km³
2.231189e-9 mi³
328.426 ft³
12.164 yd³

Mean Capacity: 95 MW95,000 kW
95,000,000 W
95,000,000,000 mW
0.095 GW
9.5e-5 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 3

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity: 30 MW30,000 kW
30,000,000 W
30,000,000,000 mW
0.03 GW
3.0e-5 TW

Net Production Capacity:

Owners  :
  • LaGeo SA de CV
  • LaGeo

Power Purchasers :
  • Mitsubishi
  • Fuji

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:
  • "ae" 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: 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: 590 m0.59 km
0.367 mi
1,935.696 ft
645.23 yd

Depth to Bottom of Reservoir: 1520 m1.52 km
0.944 mi
4,986.877 ft
1,662.287 yd

Average Depth to Reservoir: 1055 m1.055 km
0.656 mi
3,461.286 ft
1,153.759 yd

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Geology of the Area

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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. Julio Eduardo, Quijano Cortez (Geothermal Training Program). 1994. A revised conceptual model and analysis of production data for the ahuachapan-chipilapa geothermal field in el Salvador. .: Geothermal Training Program. Report No.: 10.
  2. 2.0 2.1 2.2 Ruggero Bertani. 2005. World Geothermal Power Generation 2001-2005. Proceedings of World Geothermal Congress; Turkey: World Geothermal Congress.

List of existing Geothermal Resource Areas.

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