Aluto-Langano Geothermal Area

From Open Energy Information




Area Overview



Geothermal Area Profile



Location: Ethiopia

Exploration Region: East African Rift System - Ethiopian Rift Valley

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: 7.8314°, 38.6714°


Resource Estimate

Mean Reservoir Temp: 288°C
561.15 K
550.4 °F
1,010.07 °R
[1]

Estimated Reservoir Volume: 4 km³
4,000,000,000 m³
0.96 mi³
141,258,666,884 ft³
5,231,802,476 yd³
4,000,000,000,000 L
[1]

Mean Capacity: 7.5 MW
7,500 kW
7,500,000 W
7,500,000,000 mW
0.0075 GW
7.5e-6 TW
[2]

USGS Mean Reservoir Temp:

USGS Estimated Reservoir Volume:

USGS Mean Capacity:

Use the "Edit With Form" menu option to add content


History and Infrastructure



Operating Power Plants: 1


Add a new Operating Power Plant


Developing Power Projects: 0

No geothermal projects listed.

Add a new Developing Power Project


Power Production Profile

Gross Production Capacity:

Net Production Capacity:

Owners  :
  • Ethiopian Electric Power Corporation

Power Purchasers :

Other Uses:


Use the "Edit With Form" menu option to add content


Regulatory and Environmental Issues


Use the "Edit With Form" menu option to add content



Exploration History



First Discovery Well

Completion Date:

Well Name:

Location:

Depth:

Initial Flow Rate:

Flow Test Comment:

Initial Temperature:


Use the "Edit With Form" menu option to add content


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: 2000m
2 km
1.243 mi
6,561.68 ft
2,187.22 yd
[2]

Depth to Bottom of Reservoir: 2500m
2.5 km
1.553 mi
8,202.1 ft
2,734.025 yd
[2]

Average Depth to Reservoir: 2250m
2.25 km
1.398 mi
7,381.89 ft
2,460.623 yd


Use the "Edit with Form" button at the top of the page to add a Well Field Description





Geology of the Area



Geologic Setting

Tectonic Setting: Rift Zone

Controlling Structure: Major Normal Fault

Topographic Features:

Brophy Model: Type F: Oceanic-ridge, Basaltic 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

Relict Geothermal Features:

Volcanic Age:

Host Rock Age:

Host Rock Lithology: Basalt

Cap Rock Age:

Cap Rock Lithology:


Use the "Edit With Form" menu option to add content





Geofluid Geochemistry



Geochemistry

Salinity (low):

Salinity (high):

Salinity (average):

Brine Constituents:

Water Resistivity:


Use the "Edit With Form" menu option to add content


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.

References


  1. 1.0 1.1 Yiheyi Amdebrhan. 2006/11/08. Well Testing & Reservoir Engineering Studies at Aluto-Langano & Tendaho Geothermal Fields, Ethiopia. Poster session presented at: ARGeoC1; Addis Abeba, Ethiopia
  2. 2.0 2.1 2.2 Meseret Teklemariam and Kibret Beyence. 2001. Geochemical monitoring of the Aluto-Langano geothermal field, Ethiopia. Proceedings of 26th Workshop On Geothermal Reservoir Engineering; Stanford University: 26th Workshop On Geothermal Reservoir Engineering.


List of existing Geothermal Resource Areas.