World Power Plants

Sumikawa Akita50 MW Geothermal

GeothermalRenewable

Sumikawa Akita is a 50 MW geothermal power plant in Japan, operated by J-POWER since 1995. Ranked #6 of 16 geothermal plants in Japan, it represents 6.61% of the country'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 Sumikawa Akita 2.2 times smaller. Nearby plants within 50 km include Kakkonda (80 MW, Geothermal) and Shizukuishi (24.8 MW, Solar). The facility is located in Japan, approximately 300 km northwest of Sendai.

Capacity
50 MW
Commissioning Year
1995

31 years old

Owner
J-POWER
Location
39.9813°, 140.7822°

Japan, Asia

Context & rankings
  • 263. largest of 662 plants in Japan
  • #13,085 worldwide by installed capacity
  • #86 of 215 Geothermal plants worldwide
  • 0.01% of the installed capacity of Japan
Age & fleet comparison

31 years in operation

Geothermal fleet average: 26.9 years

Operator portfolio

J-POWER operates 8 plants totalling 6,462 MW

Regional density

15 plants within 100 km, 2,828 MW combined

Nearest plant: Matsukawa Geothermal (14.2 km)

Location

Coordinates:: 39.981300, 140.782200
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Carbon Footprint

Zero Direct Emissions

Sumikawa Akita is a geothermal power plant producing approximately 350 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~38 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Geothermal
Energy Source
Renewable
Country
Japan
Continent
Asia
Data Source
Global Power Plant Database

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
GasNuclearCoalOil
Top Fuels

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