South Negros Geothermal Area

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South Negros Geothermal Area

Area Overview

Geothermal Area Profile

Location: Negros, Philippines

Exploration Region: Philippine Island Arc

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: 9.8246610670135°, 122.9764495332°

Resource Estimate

Mean Reservoir Temp: 300°C573.15 K
572 °F
1,031.67 °R

Estimated Reservoir Volume: 4.93 km³4,930,000,000 m³
1.183 mi³
174,101,306,934.53 ft³
6,448,196,551.67 yd³
4,929,999,999,999.999 L

Mean Capacity: 242 MW242,000 kW
242,000,000 W
242,000,000,000 mW
0.242 GW
2.42e-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:

Net Production Capacity:

Owners  :
  • Energy Development Corporation

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:
  • "da" 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: 2000 m2 km
1.243 mi
6,561.68 ft
2,187.22 yd

Depth to Bottom of Reservoir: 3000 m3 km
1.864 mi
9,842.52 ft
3,280.83 yd

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

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Geology of the Area

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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

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  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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