Wendel Geothermal Area

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Wendel Geothermal Area

Area Overview

Geothermal Area Profile

Location: California

Exploration Region: Walker-Lane Transition Zone 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: 40.35734979°, -120.2549785°

Resource Estimate

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

Estimated Reservoir Volume: 12.61 km³12,610,000,000 m³
3.025 mi³
445,317,947,351.81 ft³
16,493,257,305.59 yd³
12,609,999,999,999.998 L

Mean Capacity: 3.8 MW3,800 kW
3,800,000 W
3,800,000,000 mW
0.0038 GW
3.8e-6 TW

USGS Mean Reservoir Temp: 125°C398.15 K
257 °F
716.67 °R

USGS Estimated Reservoir Volume: 2 km³ [2]

USGS Mean Capacity: 11 MW [2]

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History and Infrastructure

Operating Power Plants: 0

No geothermal plants listed.

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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  :

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:

Sanyal Classification (Wellhead):

Reservoir Temp (Geothermometry):

Reservoir Temp (Measured):

Sanyal Classification (Reservoir):

Depth to Top of Reservoir: 1371 m1.371 km
0.852 mi
4,498.032 ft
1,499.339 yd

Depth to Bottom of Reservoir: 2133 m2.133 km
1.325 mi
6,998.032 ft
2,332.67 yd

Average Depth to Reservoir: 1752 m1.752 km
1.089 mi
5,748.032 ft
1,916.005 yd

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Geology of the Area

Geologic Setting

Tectonic Setting: Extensional Tectonics

Controlling Structure: Displacement Transfer Zone

Topographic Features:

Brophy Model: Type E: Extensional Tectonic, Fault-Controlled Resource

Moeck-Beardsmore Play Type: CV-3: Extensional Domain

Geologic Features

Modern Geothermal Features: Hot Springs

Relict Geothermal Features: Hydrothermally Deposited Rock

Volcanic Age:

Host Rock Age: Mesozoic

Host Rock Lithology: Granite, Granodiorite

Cap Rock Age: Tertiary

Cap Rock Lithology: Volcanic, lacustrine sediments

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Geofluid Geochemistry


Salinity (low): 650

Salinity (high): 1300

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 A conceptual Model of the Wendel-Amedee Geothermal System, Lassen Country, CA
  2. 2.0 2.1 2.2 U.S. Geological Survey. 2008. Assessment of Moderate- and High-Temperature Geothermal Resources of the United States. USA: U.S. Geological Survey. Report No.: Fact Sheet 2008-3082.

List of existing Geothermal Resource Areas.

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