World Power Plants

Koumi Kogen10.2 MW Solar

SolarRenewable

Koumi Kogen is a 10.2 MW solar power plant in Japan, operated since its commissioning. Ranked #175 of 327 solar plants in Japan, this facility's 10.2 MW accounts for 0.18% of Japan's total solar capacity of 5,554 MW. The largest solar plant in Japan is Setouchi at 230 MW, making Koumi Kogen 22.5 times smaller. Nearby plants within 50 km include Kannagawa Hydropower Plant (940 MW, Hydro) and Suwa (46.8 MW, Solar). The facility is located in Nagano Prefecture, approximately 200 km west of Tokyo.

Capacity
10.2 MW
Commissioning Year
Owner
Location
36.0770°, 138.4230°

Japan, Asia

Context & rankings
  • 466. largest of 662 plants in Japan
  • #23,666 worldwide by installed capacity
  • #3,668 of 11,039 Solar plants worldwide
Regional density

41 plants within 100 km, 10,953 MW combined

Nearest plant: Hokuto C (20.7 km)

Data provenance

Source: Wiki-Solar

Location

Coordinates:: 36.077000, 138.423000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Koumi Kogen is a solar power plant producing approximately 16 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~41 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Solar
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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