Altheim Geothermal Area

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Altheim Geothermal Area

Area Overview

Geothermal Area Profile

Location: Austria

Exploration Region: Upper Austrian Molasse Basin

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: 48.250566796287°, 13.234261655808°

Resource Estimate

Mean Reservoir Temp: 100°C373.15 K
212 °F
671.67 °R

Estimated Reservoir Volume:

Mean Capacity: 1 MW1,000 kW
1,000,000 W
1,000,000,000 mW
1.0e-3 GW
1.0e-6 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: 0.5 MW500 kW
500,000 W
500,000,000 mW
5.0e-4 GW
5.0e-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:


Depth: 2400 m2.4 km
1.491 mi
7,874.016 ft
2,624.664 yd

Initial Flow Rate: 11 kg/s660 kg/min
39,600 kg/hour
950,400 kg/day
11 L/s
174.354 gal/min

Flow Test Comment:

Initial Temperature: 98°C371.15 K
208.4 °F
668.07 °R

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Well Field Description

Well Field Information

Development Area:

Number of Production Wells: 1 [1]

Number of Injection Wells: 1 [1]

Number of Replacement Wells: 1 [2]

Average Temperature of Geofluid: 223 106°C379.15 K
222.8 °F
682.47 °R

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 2200m2.2 km
1.367 mi
7,217.848 ft
2,405.942 yd

Depth to Bottom of Reservoir: 2500m2.5 km
1.553 mi
8,202.1 ft
2,734.025 yd

Average Depth to Reservoir: 2350m2.35 km
1.46 mi
7,709.974 ft
2,569.984 yd

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Geology of the Area

Geologic Setting

Tectonic Setting:

Controlling Structure:

Topographic Features:

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:

Volcanic Age:

Host Rock Age: Jurassic

Host Rock Lithology: Limestone; Dolomites

Cap Rock Age:

Cap Rock Lithology:

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Geofluid Geochemistry


Salinity (low):

Salinity (high):

Salinity (average):

Brine Constituents: "low mineralized sodium bicarbonate chloride waters" [3]

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 1.4 1.5 1.6 Gerhard Pernecker, Stephan Uhlig, Markt Schwaben. 2002. Low-enthalpy power generation with ORC-Turbogenerator the Altheim Project, upper Austria. GHC. 26-30.
  2. 2.0 2.1 2.2 2.3 2.4 Altheim Geothermal Plant for Electricity Production by ORC-Turbogenerator
  3. Austria - Country Update

List of existing Geothermal Resource Areas.

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