Mount Amiata Geothermal Area

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Mount Amiata Geothermal Area

Area Overview

Geothermal Area Profile

Location: Tuscany, Italy

Exploration Region: Italy 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: 42.892371037818°, 11.630182647705°

Resource Estimate

Mean Reservoir Temp: 250°C523.15 K
482 °F
941.67 °R

Estimated Reservoir Volume: 67.5 km³67,500,000,000 m³
16.194 mi³
2,383,740,003,667.5 ft³
88,286,666,782.5 yd³
67,499,999,999,999.992 L

Mean Capacity: 88 MW88,000 kW
88,000,000 W
88,000,000,000 mW
0.088 GW
8.8e-5 TW

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

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History and Infrastructure

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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: 300°C573.15 K
572 °F
1,031.67 °R

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 500m0.5 km
0.311 mi
1,640.42 ft
546.805 yd

Depth to Bottom of Reservoir: 4000m4 km
2.485 mi
13,123.36 ft
4,374.44 yd

Average Depth to Reservoir: 2250m2.25 km
1.398 mi
7,381.89 ft
2,460.623 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: Pleistocene

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 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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