Los Azufres Geothermal Area

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Los Azufres Geothermal Area

Area Overview

Geothermal Area Profile

Location: Michoaciin, Mexico

Exploration Region: Transmexican Volcanic Belt

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: 19.795722135204°, -100.60425720215°

Resource Estimate

Mean Reservoir Temp: 175°C448.15 K
347 °F
806.67 °R

Estimated Reservoir Volume: 98 km³98,000,000,000 m³
23.511 mi³
3,460,837,338,658 ft³
128,179,160,662 yd³
98,000,000,000,000 L

Mean Capacity: 188 MW188,000 kW
188,000,000 W
188,000,000,000 mW
0.188 GW
1.88e-4 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

Operating Power Plants: 2

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity: 238 MW238,000 kW
238,000,000 W
238,000,000,000 mW
0.238 GW
2.38e-4 TW

Net Production Capacity:

Owners  :

Power Purchasers :
  • Comisión Federal de Electricidad

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:
  • "d" 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: 175°C448.15 K
347 °F
806.67 °R

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 700 m0.7 km
0.435 mi
2,296.588 ft
765.527 yd

Depth to Bottom of Reservoir: 3500 m3.5 km
2.175 mi
11,482.94 ft
3,827.635 yd

Average Depth to Reservoir: 3050 m3.05 km
1.895 mi
10,006.562 ft
3,335.511 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Subduction Zone

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: Fumaroles, Hot Springs, Mudpots, Mud Pools, or Mud Volcanoes

Relict Geothermal Features:

Volcanic Age: Quaternary

Host Rock Age: Miocene-Pliocene

Host Rock Lithology: Andesite

Cap Rock Age:

Cap Rock Lithology: Rhyolite

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Geofluid Geochemistry


Salinity (low):

Salinity (high):

Salinity (average):

Brine Constituents: See table 1 of Tello Hinojosa (1997) [4]

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 Ruggero Bertani. 2005. World Geothermal Power Generation 2001-2005. Proceedings of World Geothermal Congress; Turkey: World Geothermal Congress.
  2. International PowerPlants
  3. http://www.alstom.com/Global/Power/Resources/Documents/Brochures/los-azufres-II-mexico-geothermal-power-plants.pdf
  4. Geochemical Model Update of the Los Azufres, Mexico, Geothermal Reservoir

List of existing Geothermal Resource Areas.

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