World Power PlantsWorld Power Plants

Uenotai27.5 MW Geothermal

GeothermalRenewable

Uenotai is a 27.5 MW geothermal power plant in Japan, operated by KYUSHU ELECTRIC POWER CO since 1994. Ranked #10 of 16 geothermal plants in Japan. Its 27.5 MW represents 3.64% of Japan's total geothermal capacity of 756 MW. The largest geothermal plant in Japan is 八丁原地熱発電所 at 110 MW, making Uenotai 4 times smaller. Within 50 km, the nearest plants are Furukawa (40.3 MW, Solar) and Onikobe (15 MW, Geothermal). The facility is located in the Miyagi Prefecture, approximately 50 km northeast of Sendai.

Capacity
27.5 MW
Commissioning Year
1994

32 years old

Owner
KYUSHU ELECTRIC POWER CO
Location
39.0012°, 140.6039°

Japan, Asia

Location
Coordinates:: 39.001200, 140.603900
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Technical Details
Primary Fuel Type
Geothermal
Energy Source
Renewable
Country
Japan
Continent
Asia
Data Source
Global Power Plant Database
JapanEnergy Profile
664
Total Plants
358.7 GW
Total Capacity
NuclearGasCoalOil
Top Fuels
Understanding Geothermal Power Generation: An Overview

Geothermal power generation harnesses the Earth's internal heat to produce electricity. This renewable energy source exploits the thermal energy stored beneath the Earth's crust, which can be accessed through geothermal power plants. These plants typically utilize steam or hot water from geothermal reservoirs to drive turbines that generate electricity. The process begins by drilling wells into geothermal reservoirs, often located in tectonically active regions, where the temperature gradient is favorable for energy extraction. The steam or hot water extracted is then channeled to turbines, converting thermal energy into mechanical energy, which is subsequently transformed into electrical energy by generators.

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