World Power Plants

Otozawa hydro power station41.2 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Otozawa hydro power station is a 41.2 MW hydroelectric facility in Japan, operated by 関西電力 since its commissioning. Ranked #69 of 90 hydro plants in Japan, Otozawa contributes 0.1% to Japan's total hydro capacity of 40,101 MW. The largest hydro plant in Japan is Okutataragi at 1,932 MW, making Otozawa 46.8 times smaller. Nearby plants within 50 km include Shin Takasegawa (1280 MW, Hydro) and Shin-Takasegawa Pumped Storage Station (1280 MW, Hydro). The plant is located in Toyama Prefecture, approximately 150 km from the major city of Kanazawa.

Capacity
41.2 MW
Commissioning Year
2010

16 years old

Owner
関西電力
Location
36.8036°, 137.5917°

Japan, Asia

Context & rankings
  • 283. largest of 662 plants in Japan
  • #15,049 worldwide by installed capacity
  • #3,442 of 8,493 Hydroelectric plants worldwide
  • 0.01% of the installed capacity of Japan
Age & fleet comparison

16 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

KEPCO (Kansai Electric Power) operates 8 plants totalling 2,656 MW

Regional density

26 plants within 100 km, 10,556 MW combined

Nearest plant: 黒部川第三発電所 (13.4 km)

Data provenance

Location

Coordinates:: 36.803595, 137.591725
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Otozawa hydro power station is a hydro power plant producing approximately 144 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
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

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.