Iwate Geothermal Area

GEOTHERMAL ENERGY

Area Overview

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Geothermal Area Profile

Location:	Iwate, Japan
Exploration Region:	Northeast Honshu Arc
GEA Development Phase:	Operational"Operational" is not in the list (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) of allowed values for the "GEADevelopmentPhase" property.
Coordinates:	39° 51' 30.66", 140° 54' 12.20"

Resource Estimate

Mean Reservoir Temp:	305°C578.15 K <br />581 °F <br />1,040.67 °R <br />
Estimated Reservoir Volume:	23.2 km³23,200,000,000 m³ <br />30,344,454,360.8 yd³ <br />23,199,999,999,999.996 L <br />145,923,609,864 bbl(oil) <br />194,564,813,175.2 bbl(US) <br />
Mean Capacity:	103.5 MW103,500 kW <br />103,500,000 W <br />103,500,000,000 mW <br />0.104 GW <br />1.035e-4 TW <br />
USGS Mean Reservoir Temp:
USGS Estimated Reservoir Volume:
USGS Mean Capacity:

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History and Infrastructure

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Operating Power Plants: 2

Kakkonda Geothermal Power Plant Matsukawa Geothermal Power Plant

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Developing Power Projects: 0

No geothermal projects listed.

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Power Production Profile

Gross Production Capacity:	0.0e+0 MW0 kW <br />0 W <br />0 mW <br />0 GW <br />0 TW <br />
Net Production Capacity:	0.0e+0 MW0 kW <br />0 W <br />0 mW <br />0 GW <br />0 TW <br />
Owners  :	Tohoku Hydropower Geothermal Energy.Co/Tohoku Electric Power Tohoku Hydropower/Geothermal Energy Co
Power Purchasers :
Other Uses:

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Regulatory and Environmental Issues

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Exploration History

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First Discovery Well

Completion Date:
Well Name:
Location:
Depth:
Initial Flow Rate:
Flow Test Comment:
Initial Temperature:

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Well Field Description

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Well Field Information

Development Area:	0.0e+0
Number of Production Wells:
Number of Injection Wells:
Number of Replacement Wells:
Average Temperature of Geofluid:	0.0e+0
Sanyal Classification (Wellhead):
Reservoir Temp (Geothermometry):
Reservoir Temp (Measured):
Sanyal Classification (Reservoir):
Depth to Top of Reservoir:	500 m0.5 km <br />0.311 mi <br />1,640.42 ft <br />546.805 yd <br />
Depth to Bottom of Reservoir:	3700 m3.7 km <br />2.299 mi <br />12,139.108 ft <br />4,046.357 yd <br />
Average Depth to Reservoir:	2100 m2.1 km <br />1.305 mi <br />6,889.764 ft <br />2,296.581 yd <br />

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Geology of the Area

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Geologic Setting

Tectonic Setting:	Subduction Zone
Controlling Structure:
Topographic Features:	Shield Volcano
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 Altered Rock
Volcanic Age:	Quaternary
Host Rock Age:	Miocene; Pre-Tertiary
Host Rock Lithology:	Dacitic welded tuff; Marine Sediments Tuffs; Shales; Chert; Slate; Granodiorite
Cap Rock Age:
Cap Rock Lithology:	Andesite

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Geofluid Geochemistry

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Geochemistry

Salinity (low):	853
Salinity (high):	3843
Salinity (average):
Brine Constituents:
Water Resistivity:

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NEPA-Related Analyses (0)

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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)

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Below is a list of Exploration that have been conducted in the area - and cataloged on OpenEI. Add a new Exploration Activity

No exploration activities listed on OpenEI.

References

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List of existing Geothermal Resource Areas.

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